Millet Cultivation Research Articles

AMMI Biplot Analysis for Stability of Grain Yield in Foxtail Millet [Setaria italica (L.) P. Beauv.] Genotypes

Background: Foxtail millet cultivation in India’s NEH region holds promise due to its adaptation to diverse environments and high-quality grain. Studying G × E interaction in this region will guide breeding programs to develop foxtail millet varieties adapted to local conditions. The objective of this study was to find out foxtail millet genotypes that produce high yield in diverse environments and to identify ideal mega-environments using additive main effects and multiplicative interaction stability model analysis. Methods: In this study, 30 genotypes were evaluated at the Research Farm of the SAS, Nagaland University, Medziphema, India. The experiment was conducted during July 2022 to May 2023 involving four different environments. Two environments were rainfed and two were irrigated with weekly intervals. The experiment was conducted in randomized complete block design (RCBD) with three replications in all the environments. Result: Genotype-environment interactions significantly influenced grain yield across four environments, while replicates were non-significant. Pooled analysis revealed significant genotypic effects and seasonal impacts. AMMI analysis revealed significant effect on environmental and genotypic influences on grain yield and explained 23.47% and 27.94% variability respectively. The AMMI model effectively decomposed the intricate genotype-environment interaction into three principal components (PC1, PC2and PC3), explaining 54.5%, 28.7%and 16.8% of the interaction variance, respectively. AMMI model exposed genotypes viz G8, G9, G21and G22 as best performer and stable. AMMI stability value revealed G10 with highest stability (ASV = 0.34) followed by G15, G7, G29, G6and G13 in decreasing order indicating their consistent performance in grain yield across different environments.

Effect of Compound Fertilizer on Foxtail Millet Productivity and Soil Environment

The effects of balanced fertilization with nitrogen, phosphorus, and potassium (NPK) on foxtail millet productivity and the soil environment under the same conditions of total nutrients have received limited research attention. Therefore, in this study, three balanced fertilization patterns of 27-14-10 (T1), 27-17-7 (T2), and 30-10-11 (T3), and one no fertilization treatment (CK), a total of four treatments, were set up through a two-year field experiment to study the effects of balanced fertilization patterns on foxtail millet yield and soil environment. Mantel analysis was conducted to reveal the correlation between soil environmental factors and the community and their contribution to productivity. The results showed that: (1) all balanced fertilization treatments significantly increased foxtail millet yield, with the highest yield in the T1 treatment. (2) The contents of EC, available K, available P, and alkaline-hydrolyzable nitrogen in the soil of the two-year TI treatments were higher than those of the other treatments and increased by 7.20–9.36%, 24.87–52.35%, 55.83–56.38%, and 21.05–43.95%, respectively, compared with CK. (3) Soil urease activity in the T1 treatment increased significantly by 26.67% and 9.00% compared with the control over the two years. Sucrase activity increased by 36.27% and 23.88% in the T1 treatment compared to CK, and glutaminase activity increased by 33.33% and 19.23% in the T1 treatment compared to CK. (4) T1 treatment significantly increased the OUT number and diversity index of the soil bacterial community. (5) Mantel analysis and principal component analysis showed that available soil nutrients and soil enzymes were positively correlated, and soil enzymes and soil nutrients contributed more to foxtail millet productivity. In this study, the 27-14-10 balanced fertilization pattern was more effective, providing a theoretical basis for the research and development of special fertilizers for foxtail millet and offering technical guidance for realizing the light simplified cultivation of foxtail millet and sustainable development of cost–saving and increased efficiency.

Perception and constraints faced by farmers in cultivation of millets in Alluri Sita Ramaraju district of Andhra Pradesh

Perception and constraints faced by farmers in cultivation of millets in Alluri Sita Ramaraju district of Andhra Pradesh

Optimizing Irrigation and Nitrogen Application to Enhance Millet Yield, Improve Water and Nitrogen Use Efficiency and Reduce Inorganic Nitrogen Accumulation in Northeast China.

Enhancing irrigation and nitrogen fertilizer application has become a vital strategy for ensuring food security in the face of population growth and resource scarcity. A 2-year experiment was conducted to determine to investigate the effects of different irrigation lower limits and nitrogen fertilizer application amounts on millet growth, yield, water use efficiency (WUE), N utilization, and inorganic nitrogen accumulation in the soil in 2021 and 2022. The experiment was designed with four irrigation lower limits, corresponding to 50%, 60%, 70%, and 80% of the field capacity (FC), referred to as I50, I60, I70, and I80. Four nitrogen fertilizer application were also included: 0, 50, 100, and 150 kg·hm-2 (designated as F00, F50, F100, and F150), resulting in a total of 16 treatments. Binary quadratic regression equations were established to optimize the irrigation and nitrogen application. The results demonstrated that the plant height, stem diameter, leaf area index, aboveground biomass, yield, spike diameter, spike length, spike weight, WUE, and nitrogen agronomic efficiency for millet initially increased before subsequently decreasing as the irrigation lower limit and nitrogen fertilizer application increased. Their maximum values were observed in the I70F100. However, the nitrogen partial factor productivity (PFPN) exhibited a gradual decline with increasing nitrogen application, reaching its peak at F50. Additionally, PFPN displayed a pattern of initial increase followed by a decrease with rising irrigation lower limits. The accumulation of NO3--N and NH4+-N in the 0~60 cm soil layer increased with the increase of nitrogen fertilizer application in both years, while they tended to decrease as the irrigation lower limit increased. An optimal irrigation lower limit of 64% FC to 74% FC and nitrogen fertilizer application of 80 to 100 kg ha-1 was recommended for millet based on the regression equation. The findings of this study offer a theoretical foundation and technical guidance for developing a drip irrigation and fertilizer application for millet cultivation in Northeast China.

Virulence perspective genomic research unlocks the secrets of Rhizoctonia solani associated with banded sheath blight in Barnyard Millet (Echinochloa frumentacea).

Banded sheath blight (Bsb) disease, caused by Rhizoctonia solani, is an emerging problem in barnyard millet cultivation. One of the significant goals of pathogenomic research is to identify genes responsible for pathogenicity in the fungus. A virulence profiling-based approach was employed and six R. solani isolates were collected from various ecological zones of India. The morphological parameters and virulence of all of the six R. solani isolates were investigated. The most virulent strain was designated as RAP2 and its genome has been sequenced, assembled, and annotated. The RAP2 genome is 43.63 megabases in size and comprises 10.95% repetitive DNA, within which 46% are retroelements, 8% are DNA transposons, and 46% are unidentified DNA. The Gene Ontology (GO) annotation of RAP2 proteins revealed that "phosphorylation", "membrane", and "ATP binding" have the highest gene enrichment in the "biological process", "cellular component" and "molecular function" domains, respectively. The genome comprises a majority of secretory proteins in the pectin lyase fold/virulence factor superfamily, which break down plant cell wall polymers to extract saccharides. The RAP2 genome is comparable to R. solani, which infects maize and rice, but it diverges further from soybean in terms of nucleotide-level genetic similarity. Orthologous clustering of RAP2 protein sequences with R. solani infecting maize, rice, and soybean yields 5606 proteins shared across all genomes. GO analysis of 25 proteins specific to the RAP2 genome found enrichment in the ethylene response, which can cause spore germination and infection in host plants. Interestingly, a 28-bp deletion in the RAP2 strain's cutinase domain was discovered in the cutinase protein, which might be important in the infection process, perhaps rendering the enzyme inactive or allowing the pathogen to infect barnyard millet while avoiding host defense. This study sheds light on the genetic makeup of R. solani, allowing researchers to discover critical genes related with pathogenicity as well as potential targets for fungicide development.

Millets, Shifting Cultivation and the Adivasis: Looking Through Culture, Policy and Politics

The year 2023 is celebrated as the International Year of Millets, declared by the United Nation’s General Assembly in March 2021 on the proposal submitted by the Government of India. Millet cultivation and consumption are being championed as the panacea for climate change and a solution for global hunger and nutrition. India’s lead in this connection is to make herself the global hub for millets. The Food and Agricultural Organisation of the UN recognise and promote millets as a pathway for sustainable development, enhancement of biodiversity and transformer of agrifood systems, besides empowering smallholder farmers and providing new sustainable market opportunities for the producers and consumers. However, the indigenous people of the globe or the Adivasis in India, who have predominantly cultivated and consumed millets primarily through the technology of shifting cultivation, find little mention or no mention in the context. The contemporary environment is ripe to revisit the intricacies of the closely knitted culture of the Adivasi and their shifting cultivation. The overarching challenges of climate change and sustainable development seem to compel the bringing back of the discarded ‘baby with the bath water’. The article will focus on the Konda Reddis (Andhra Pradesh state) and podu, their traditional way of cultivation (shifting cultivation). Podu is not an isolated cultivation technology, it is, for the Konda Reddis, the prism of their culture. Will the politics of policy resurrect the Adivasi and shifting cultivation?

Aohan Dryland agricultural landscape with an 8000-year history of foxtail millet cultivation in China

Aohan Dryland agricultural landscape with an 8000-year history of foxtail millet cultivation in China

A study on perception of farmers towards millet cultivation in Parvathipuram Manyam district of Andhra Pradesh

A study on perception of farmers towards millet cultivation in Parvathipuram Manyam district of Andhra Pradesh

Pennisetum glaucum in reducing ecotoxicity in soil with tebuthiuron, thiamethoxam and vinasse

The purpose of this study was to evaluate the ecotoxicological effects on soils containing associations of the herbicide tebuthiuron (TBT), the insecticide thiamethoxam (TMX), vinasse (VIN), and millet (Pennisetum glaucum) cultivation. We conducted the experiment under greenhouse conditions using a completely randomized design with five replications. Treatments consisted in soil application of tebuthiuron (1000 g ha-1 a. i), thiamethoxam (330 g ha-1 a. i), vinasse (113 m3 ha-1) with or without P. glaucum cultivation. The monitoring extended to 50 days after sowing (DAS) and evaluated the ecotoxicological potential from Lactuca sativa seeds as test-organism. Seed germination and root development determined the germination index (GI) concerning the negative control, which was prepared with water. Thus, P. glaucum highlighted a beneficial influence on soil health, thereby mitigating the ecotoxicological effects of TBT and TMX. Results emphasized the importance of the timing in soil sample collection, where early collections after plant seeding result in higher germination rates and rapid soil health improvements. Furthermore, vinasse reduced the ecotoxicological impact of pesticides and TBT presence presented harmful effects to test-organism. The interaction between P. glaucum growth period and soil sampling had a profound impact on ecotoxicity bioassays, which highlighted the importance of early intervention. Therefore, P. glaucum and vinasse can be valuable components in effective phytoremediation strategies, pointing towards future research and enhancement of approaches for sustainable treatment strategies of agricultural soils with pesticides.

Genetic Variability, Character Association and Path Analysis for Yield and Yield Components in Foxtail Millet [Setaria italica (L.) P. Beauv.] Accessions under Multi Environments in Foothills of Nagaland

Background: Foxtail millet cultivation inIndia’s North Eastern Hill regionholds promise due to its adaptation to diverse environments and high-quality grain. The objective of this study was to assess the amount of variability present among the genotypes, association of traits and find out foxtail millet genotypes that produce high yield in diverse environments. Methods: The investigation was carried out during July 2022 to May 2023 in four different dates of sowing. Two environments maintained under rainfed condition and the remaining two environments are maintained under irrigated condition. The experiment was conducted in randomized complete block design with three replications in all environments. Result: Analysis of variance revealed statistically significant differences (at 5%) among the 30 genotypes for all yield variables under evaluation. Genotype ‘G1’ exhibited superior performance for both yield and yield-related traits. The present study revealed considerable genetic variation among the yield traits, with all traits demonstrating high heritability except for harvest index.Traits such as fodder yield per plant, panicle length, biological yield, flag leaf width, peduncle length, panicle width and grain yield per plant show high heritability coupled with high genetic advance. A strong correlation was observed between grain yield per plant and several traits including days to 50% flowering, days to maturity, plant height, panicle length, flag leaf length, peduncle length, biological yield and fodder yield per plant. This correlation was consistent at both the genotypic and phenotypic levels. Biological yield exhibited the strongest direct influence on grain yield per plant, followed by harvest index, flag leaf width and number of base tillers on genotypic and phenotypic levels.

Late Bronze Age crops from Çine-Tepecik, western Anatolia: insights into farming and political economy in the lands of Arzawa

A dearth of published archaeobotanical data from the Late Bronze Age of western Anatolia limits our understanding of agricultural production in this key area. Recent excavations at Çine-Tepecik provide insights into farming and the political economy in the kingdom of Mira within the lands of Arzawa. Archaeobotanical assemblages indicate that farming was structured to meet both domestic and institutional consumption; the former utilising a wide range of crop species while the latter focused on cereals. Plant remains provide further evidence for a ‘hybrid’ suite of farming practices across western Anatolia and contribute to debate around the spread of broomcorn millet cultivation.

Synthesis of human isotopic data (8000–5000 BP) reveals subsistence strategies and social complexity at the southeast edge of the Loess Plateau, China

AbstractThe southeast edge of the Loess Plateau (SELP) is a crucial area for studying subsistence strategies and social complexity in prehistoric China. Currently, no systematic isotopic study has been conducted to reveal shifts in subsistence strategies and their link to the trajectory of social complexity. This paper compiles previously published isotopic data from human and fauna bones at 24 sites dating from 8000 to 5000 BP, aiming to uncover diachronic changes in subsistence strategies and their relationship with social complexity. The results indicate a gradual increase in millet consumption by humans and an increasing utilization of millet‐based byproducts as feed for domestic animals (pigs and dogs) over time. The isotopic data of humans and animals demonstrate the establishment of millet agriculture during the Early Yangshao period (7000–6000 BP). Millet agriculture creates a crucial material foundation for population growth and cultural prosperity. Two modes of millet cultivation, intensive and extensive, are proposed to explain the continuous development of millet agriculture since the Early Yangshao period. Finally, significant dietary heterogeneity among the human population during the Late Yangshao period strongly suggests the emergence of social differentiation and complexity, supported by other archaeological evidence such as settlement hierarchies and the presence of exquisite objects in burials.

Effects of Phosphorus Application Levels on Its Uptake and Utilization in Foxtail Millet

Foxtail millet is a traditional minor crop in China, known for its strong resistance to stress, tolerance to barren lands, and wide adaptation. Phosphorus is an essential element for crop growth and development, and the appropriate application of phosphorus can enhance crop yield and quality. However, the optimal phosphorus fertilization levels for the growth of foxtail millet have yet to be determined. This study aims to explore the effects of different phosphorus application levels (T1, T2, T3, and T4), on phosphorus accumulation and use efficiency and crop yield and quality in the foxtail millet cultivars ‘B376’ and ‘B27’, which have different phosphorus efficiencies. Additionally, we investigated the effects of phosphorus accumulation and use efficiency on the heading and filling stages of these cultivars. The results show that the total phosphorus content and accumulation levels in the ‘B376’ and ‘B27’ cultivars vary at different developmental stages and in different plant parts. Furthermore, crop yield and quality in both cultivars vary in response to the different phosphorus application levels. In terms of yield, the phosphorus-tolerant variety ‘B376’ reaches its highest at T2, while the phosphorus-sensitive variety ‘B27’ achieves its maximum yield at T3. For quality, ‘B376’ exhibits the highest moisture and crude fat content under T4, and the highest protein and the lowest amylose content under T3. On the other hand, ‘B27’ achieves its highest moisture content under T4, its highest crude fat and protein levels under T3, and its lowest amylose content under T2. Therefore, the response to different phosphorus application levels differs between the two cultivars with different phosphorus use efficiencies. Moreover, under different phosphorus fertilization levels, the average crop yield, moisture, fat, and amylose content averages of the phosphorus-tolerant ‘B376’ cultivar are 16.1%, 1.2%, 7.0%, and 4.1% higher than those of the phosphorus-sensitive ‘B27’ cultivar. Additionally, phosphorus use efficiency is positively correlated with the moisture and crude fat contents of foxtail millet. In conclusion, the phosphorus-tolerant cultivar demonstrates superior phosphorus accumulation, absorption, and utilization capacities compared to the phosphorus-sensitive cultivar. These results suggest that in the phosphorus-tolerant ‘B376’, optimal phosphorus fertilization levels enhance the development of roots, stems, and leaves at the T2 (P45) level, and promote the accumulation of moisture and crude fat in foxtail millet grains, thereby improving their taste and quality. Our findings provide a theoretical basis for phosphorus fertilizer utilization in foxtail millet cultivation and will help determine the optimal fertilization levels for foxtail millet growth.

One place, many worlds – nutrition strategies of human groups inhabiting the site 3 in Miechów (southern Poland) since the Neolithic until the Iron Age

Abstract Studies on the ratios of stable isotopes of carbon and nitrogen constitute a research tool commonly applied in bioarchaeology to reconstruct human diets, including the origins of proteins consumed, the relationship between plant and animal foods, weaning processes, and parameters of the environment from which the food was obtained. Within the comprehensive analysis of the excavation results carried out at site 3 in Miechów (approximately 30 km north of Kraków), isotope analyses of δ13C and δ15N were performed on the human groups that inhabited the site from the Neolithic to the Iron Age. In total, 41 skeletons were investigated. The analyses aimed to hypothesise the nutritional strategies of communities of successive periods and to compare the knowledge obtained with current data and interpretations on food management in prehistoric communities of Central Europe. The results indicate a general predominance of a terrestrial diet, with plant-based foods prevailing, although not conspicuously. However, there are indications of slightly varying nutritional strategies among successive human groups. These differences are related to the contribution of animal protein and the relationship between C3 and C4 plants. For instance, in the Middle Neolithic (4th millennium BC), a greater consumption of meat and/or cereals from manured fields can be postulated compared to the Early Neolithic (late 6th and 5th millennia BC). On the other hand, the proportion of meat in the diet of Early Bronze Age inhabitants (2nd millennium BC) was possibly the lowest in the entire history of site occupation. This proportion returned to near-Neolithic levels in the developed Bronze Age and Iron Age (1st millennium BC). Regarding plant food, the results indicate greater variability in the plants consumed in the Bronze and Iron Ages. Levels of δ13C imply some contribution from C4 plants, that is, millet, during these periods. This aligns with recently formulated theories suggesting the post-Neolithic beginnings of millet cultivation and consumption in Central Europe.

Millets and sorghum as promising alternatives to maize for enhancing climate change adaptation strategies in the Mediterranean Basin

ContextClimate change is increasingly requiring the adoption of both climate-resilient alternative crops and sustainable management practices. Millets and sorghum are increasingly recommended as alternatives to maize in addressing these issues, yet there are no studies comparing the environmental impacts of food-crop millets and sorghum with maize, under sustainable management in Mediterranean area. ObjectiveThe present study examined for the first time the environmental and economic impacts, as well as agronomic performances, of rainfed cultivated proso millet, sorghum and maize over a three-year period under challenging climatic conditions in Emilia-Romagna region, Italy. MethodsDifferent kinds of trials were realized during three years of experimentation in one location in Ravenna province. The first trial aimed to compare proso millet, sorghum and maize agronomical performances and water use efficiency in a low-input system. The second trial aimed to compare soil fertility and biodiversity impacts of two different agronomical management systems (low-input and high input) for the summer crops previously described. Soil basic fertility parameters were monitored and ground dwelling arthropods were collected and analyzed using pitfall traps. The last trial of this study intended to evaluate the environmental and economic performances of the previous cereal crops cultivated in the low-input and high-input systems, applying the Life Cycle Assessment (LCA) and the Life Cycle Costing (LCC) methodologies. ResultsBoth organic sorghum and millet showed high potential as viable summer-crop alternatives, not only to organic maize, based on yield, water use efficiency, disease tolerance and weed competition, but also to conventional maize, based on reduced environmental and economic impacts. Positive land impacts including improved beneficial arthropod abundances and preserved soil fertility were evident under organic management. In fact, the comparative LCA and LCC, carried out with primary data from conventionally cultivated maize and sorghum within central-north Italy and the organic experimental field under investigation, showed that the Global Warming and Eutrophication Potential, were comparable between the organically cultivated crops and significantly lower than conventional maize and sorghum. ConclusionsThe results highlighted the potential of sorghum and millet cultivation as rainfed summer-crop alternative to maize in climate-change context, especially in low-input agronomical systems. In particular, under rainfed, organic management over three years, proso millet yielded consistently. ImplicationsUnder the sustainable practices of the present study, proso millet outperformed maize for yield and WUE stability, as well as potential costs saved, related to the production amount per unit area and potential revenue.

Millets a Pathway to Nutrition Security for Sustainable Agriculture

Millets, a group of small-seeded grasses, have been cultivated for thousands of years and are an integral part of traditional diets in many regions of the world. The nutritional value, resilience to harsh environmental conditions, and potential for sustainable agriculture, millets have been largely overlooked and underutilized in modern food systems, the nutritional benefits of millets, their role in ensuring food security, and strategies for promoting their cultivation and consumption. Millets are rich in essential nutrients, including protein, fiber, vitamins, and minerals, and offer numerous health benefits, such as reducing the risk of chronic diseases like diabetes and heart disease. Additionally, millets are well-suited to climate-resilient agriculture, requiring less water and fertilizer than many other cereal crops. By promoting the cultivation and consumption of millet, policymakers, researchers, and agricultural stakeholders can enhance food security, support small-scale farmers, and promote sustainable food systems and the need for increased investment in millet research, the development of value chains, and consumer education to realize the full potential of millets in addressing global food security challenges.

Sustainable millet-based ethanol production in India: a comprehensive analysis of water footprint and environmental impact

This research seeks to comprehensively assess the water footprint and environmental sustainability of millet-based ethanol production in India, responding to the growing interest in resilient and nutritious alternatives. Utilizing a life cycle assessment approach, the study will scrutinize water usage across the entire production process, from millet cultivation to ethanol extraction. The primary aim is to gain an in-depth understanding of water consumption at each stage, pinpointing areas for enhancement and efficiency. Rajasthan exhibited the highest total water footprint at 6596 m3/ton, primarily due to its substantial ETc value, while Andhra Pradesh showcased the lowest at 1906 m3/ton, owing to its high average yield. Haryana displayed significant water usage during crop production, with a water footprint of 5870 m3/ton, where WFgreen, WFblue, and WFgrey contributed 3730 m3/ton, 2010 m3/ton and 130 m3/ton respectively. Uttar Pradesh demonstrated a comparatively lower total water footprint of 2564 m3/ton. These findings are anticipated to offer valuable insights into the viability and sustainability of millet-derived ethanol as an eco-friendly biofuel option in India, guiding policymakers, researchers, and stakeholders in promoting its adoption and addressing environmental challenges linked with conventional fuel sources.

Impact of Potassium Fertilization on Growth and Yield of Small Millets

Aims: To evaluate the impact of varying potassium application levels on the growth and yield of small millets and to assess the economic viability of potassium fertilization in small millet farming. Methodology: A split plot design experiment was carried out, featuring four crops as the main treatments: C1 - Proso millet, C2 - Barnyard millet, C3 - Kodo millet, and C4 - Browntop millet. Potassium fertilizer was applied at four different rates (0, 10, 20, and 30 kg/ha) as sub-treatments. Throughout the cropping period, various morpho-physiological traits were monitored, including plant height (cm), tiller count per plant, and yield-related metrics such as the number of panicles per plant, 1000-grain weight (g), and biomass production per plant (g). At harvest, yield data and yield attributes were recorded, followed by an economic analysis. Results: The results indicated that, Proso millet showed a plant height increase from 75.85 to 94.37 cm, number of productive tillers (4.73) with high potassium doses, while Barnyard millet reached a maximum height of 119.13 cm, grain yield significantly increased from 1547 kg/ha without potassium to 2055 kg/ha with the highest potassium dose. Barnyard millet (achieving the highest gross return of Rs 61650/ha and a B: C ratio of 2.20 with the highest potassium dose. Conclusion: Application of potassium 20 kg/ha, along with the recommended dose of nitrogen and phosphorus, recorded 31.8% higher yield, greater tolerance to lodging, reduced pest and disease incidence and remunerative economics in millet cultivation.

Export potential of millets from India: Current status and short-term forecast

This study examined the status and trends of millet exports from India and forecasts future exports based on monthly export data and the ARIMA-TDNN model. Millets, also known as nutri cereals, have been gaining attention for their potential to achieve food and nutritional security sustainably. The Indian government launched several initiatives to promote the cultivation and consumption of millets following the 2018 declaration of the National Year of Millets. Subsequently, the UN General Assembly declared 2023 as the International Year of Millets. India is a significant producer of millets, accounting for 17 per cent of the global cultivation area and 18 per cent of the world’s millet production. The average yield of millets in India is 1.40 t/ha, exceeding the global average. However, India accounts for less than 2 per cent of the world's millet exports. Keywords: Bajra, export, forecasting, neural network, nutri cereals, ragi, sorghum. JEL Codes: C53, Q17, Q18.

Agrometeorological indices, physiological growth parameters and performance of finger millet as influenced by different cultivars under hot and sub humid region of Odisha

Present-day agriculture is under tremendous pressure due to various factors such as climate change, degradation of soil and water quality, and yield plateauing of major food crops. Under these scenarios, there is an urgent need to choose a climate-resilient and ecologically hardy crop which can perform under adverse conditions with low input requirements. In this regard, millets can be suitable crops for agricultural sustainability. Among various millets, finger millet (Eleusine coracana L. Gaertn) is cultivated mainly in India and Africa. However, most farmers grow finger millet with local cultivars, and improved ones can be replaced to enhance productivity. The present investigation conducted at the Post Graduate Research Farm of Centurion University of Technology and Management, Odisha, focused on evaluating suitable cultivars of finger millet. The study revealed that cultivars significantly influenced finger millet growth, productivity, and economics. The physiological growth parameters, namely, crop growth rate, relative growth rate, net assimilation rate and leaf area duration were significantly influenced by finger millet cultivars. The growing degree days (GDD), helio-thermal units (HTU) and photothermal units (PTU) of the finger millet showed a great variation among the cultivars. The Maximum total GDD (2169 °C day), HTU (18141 °C day hours) and PTU (24297 °C day hours) were recorded in the cultivar Hima(w) VR 936. The cultivars Indravathi VR 1101, Sri Chaitanya VR 847 (1.73) and Hima (W) VR 936 (1.60) were superior to other cultivars in expression of the grain yield and economics of finger millet. The study concluded that the cultivation of Indravathi and Sri Chaitanya could be considered as short-duration cultivars; however, Hima can be chosen as long duration crop for successful finger millet cultivation with higher net returns and benefit-cost ratio under hot and sub-humid regions of Odisha.