Abstract
Commercial organic production of brinjal is a challenge for growers, which links to understand the field trail of organic and inorganic regime on its growth, yield and development. Current experiment was conducted in Randomized Complete Block Design with split plot arrangements and three times replicated. Organic regime (Farm Yard Manure, Spent Mushroom Compost and Poultry Manure at 25:10:5 tons ha-1) and Inorganic regime (N:100, P:50, K:50 kg ha-1) were assigned to the main plots while brinjal cultivars (Namli-F1, Black Boy-F1, BSS-513 and Meiyinqienquan) were subjected to the subplots. Data on various quantitative and qualitative variables of eggplant cultivars were taken under both the regimes. Results revealed that both cultivars and growing regimes significantly (p≤0.05) affected the performance of eggplant. Among eggplant cultivars, more number of leaves, fruits, fruit weight plant-1and total yield were observed in cultivar Namli-F1 followed by Black boy-F1 which also gave maximum total soluble solids. Highest plant height and fruit dry matter contents were noted in cultivar BSS-513. However, the performance of cultivar Meiyinqienquan was inferior among all the cultivars except for the number of days to 50% flowering. Regarding growing regimes, it was noticed that under the organic regime maximum plant height, number of fruits, fruit weight plant-1, total yield and total soluble solids were produced. Whereas, maximum number of leaves plant-1and chlorophyll content were produce under the inorganic regime. Present investigations concluded that cultivar Namli-F1 should be grown for the promising yield while Black boy-F1 and BSS-513 for their better quality under the organic regime. Keywords: Brinjal; Growth; Inorganic; Organic; Yield http://dx.doi.org/10.19045/bspab.2019.80130
Highlights
Organic manures like Farmyard and poultry manure are most frequently used in developing countries including Pakistan for obtaining better crops yield and quality [22]
The interaction between cultivars and regimes (Fig-I) indicated that highest number of leaves were found in cultivar Namli-F1 (256.67) under inorganic regime, while minimum number (138.33) of leaves plant-1 were recorded in Meiyinqienquan cultivar when grown under organic regime condition
More number of leaves under inorganic regime might be due to major role played by nitrogen in enzymes, chlorophyll and protein synthesis which boosted plants vegetative growth. [39] observed highest number of leaves in eggplant by increasing rates of nitrogen from 100 to 150 kg ha-1
Summary
Eggplant is botanically called Solanum melongena L. a well-known specie of Solanaceae (Night Shade) family. Phosphorus (P) is a second macronutrient, a major constituent of nucleic acids, energy compounds (ATPs and ADPs), co-enzymes, phospholipids and plays important role in promoting plant growth, early and total yield [16]. It has positive impact on root system, helps in formation of fibrous, lateral and healthy roots [17] accelerate maturity, resistance to disease, protein levels, palatability of fruit, in seeds lowering its fat contents and balancing other nutrients in eggplant [18]. Poultry manure (PM) is an excellent soil amendment and natural fertilizer, possess high organic nitrogen content [25] phosphorus, potassium and other essential plant nutrients [26]. The seedlings were ready for transplantation within four weeks of sowing, attaining a height of 15cm with 3-4 true compound leaves into the wellprepared field on raised ridges
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