Sweet Potato Production Research Articles

Assessing pesticide residue levels in sweetpotato roots and slips treated with fungicides for management of southern blight and circular spot disease caused by Agroathelia rolfsii.

Since 1971, North Carolina (NC) has been the leading sweetpotato-producing state in the United States (US) and is now producing more than half of the nation's annual output. Due to the high demand for US sweetpotatoes from international markets, NC allocates roughly 40% of its sweetpotatoes for export. However, low fungicide residue limits in primary export markets restricts the ability for NC producers to apply fungicides for disease management during sweetpotato production. Agroathelia rolfsii, the causal agent of southern blight and circular spot, is an important pathogen of sweetpotato. Field experiments were conducted in 2022 and 2023 to quantify the residue amount of various active ingredients and transplant-only vs. bedding and transplant applications when managing A. rolfsii in the field. High-performance liquid chromatography analyses of root and vine samples confirmed that none of the tested active ingredients and application timings resulted in residue numbers exceeding the limits of export markets, except for roots treated with thiabendazole. Results from this study provide information for development of application practices with acceptable residue levels for export markets while effectively managing diseases caused by A. rolfsii.

Major Insect Pests of Sweet Potatoes in Brazil and the United States, with Information on Crop Production and Regulatory Pest Management.

The sweet potato [Ipomoea batatas (L.) Lam] is considered one of the most important crops in the world as food, fodder, and raw material for starch and alcohol production. Sweet potato consumption and demand for its value-added products have increased significantly over the past two decades, leading to new cultivars, expansion in acreage, and increased demand in the United States and its export markets. Due to its health benefits, sweet potato production has multiplied over the past decade in Brazil, promoting food security and economic development in rural areas. Their adaptability and nutritional value make them a food of great importance for Brazil. As pest attacks and disease infection are the main limiting aspects that often cause yield loss and quality degradation in sweet potatoes, there is a great demand to develop effective defense strategies to maintain productivity. There is a critical need for research into non-pesticide control approaches that can provide safe, cost-effective, sustainable, and environmentally friendly pest and disease management techniques. Pests which feed on roots have trade implications worldwide. For example, sweet potato tuber shipments infested with the sweet potato weevil are generally not allowed for trade in North and South America.

Analysis of Technical Efficiency on Orange Fleshed Sweet Potatoes Production Among the Smallholder Farmers in Migori County Kenya

Sweet potatoes (<i>Ipomea batatas </i>L.), particularly the orange fleshed variety, have become increasingly popular due to their ability to thrive in various environmental conditions with minimal inputs. Orange fleshed sweet potatoes (OFSPs) show potential for productivity, yet smallholder farmers in Kenya still struggle to maximize their yields. The factors influencing OFSP production efficiency among these farmers in Western Kenya have not been thoroughly examined. This study evaluated the technical efficiency of OFSP production among smallholder farmers in Migori County. Using a descriptive research design, a sample of 225 OFSP farmers was randomly selected by a cluster sampling technique. Data was collected through a structured questionnaire on inputs and selected socio-economic factors. The data was analyzed using the frontier stochastic model in STATA. Smallholder farmers estimated mean technical efficiency was 77.82% significant variables were; size of the land, availability of planting vines, access to hired labour, gender of the household decision maker, farming experience, household size, land ownership status, participation in training programs and extension services, and proximity to markets, indicating a need to improve OFSP production by 22.18%. These findings suggest that to reduce inefficiencies among smallholder OFSP farmers, targeted training programs are needed to enhance farmers' agronomic knowledge specific to OFSP production. Further, policy interventions should prioritize the provision of extension services to support and improve the performance of OFSP smallholder farmers.

Business Feasibility Analysis of Processed Sweet Potato Products at MSME Karya Indah Bandorasa Wetan

Sweet potato processing is a vital part of the local economy. In this study, the business costs incurred and feasibility of processing sweet potato product businesses in the Malaysian Small and Medium Enterprises (MSME) Karya Indah in Bandorasa Wetan are analyzed. The research is based on a census technique, namely, the MSME Karyan Wetans, which is used as the population and sample in the research. The business costs are calculated to calculate various costs associated with running a business consisting of fixed costs and variable costs. The acceptance feasibility ratio was found to be 1.455, so it is greater than 1 and is in the feasible and feasible category. This research offers practical guidance for MSMEs in assessing their operational efficiency and helps business owners make informed decisions about investment and expansion. Furthermore, it contributes to the broader understanding of sustainable business practices in the agricultural processing sector, specifically focusing on sweet potato products. Moreover, analyzing the impact of technological improvements or more efficient production methods on reducing costs and increasing productivity could provide valuable insights for enhancing business operations.

Comparative Study of Income of Sweet Potato Farmers' in Different Trade Channels in Bandorasa Wetan Village, Cilimus District, Kuningan Regency

This study aims to analyze the income of sweet potato farmers in Bandorasa Wetan Village, Kuningan Regency, by comparing different trading channels, specifically sales to middlemen and direct sales to the processing industry. Sweet potato farming plays a crucial role in supporting local and national economies, with Kuningan being a major sweet potato production area in West Java. Using a quantitative comparative approach with survey techniques, data was collected from 83 farmers, with 49 selling to middlemen and 34 to the industry. The results show that the average income of farmers selling to the industry (IDR 3,468,222) is significantly higher than those selling to middlemen (IDR 2,812,569), as evidenced by the independent sample test (p = 0.000). However, income from industry sales shows greater variability. This research contributes by highlighting the income disparities across trading channels, offering valuable insights for farmers and stakeholders in optimizing trading practices to maximize profitability. Future research should explore factors influencing channel selection, including market conditions and trading strategies, to enhance the overall sustainability and profitability of sweet potato farming.

Effects of Paecilomyces lilacinus and Bacillus pumilus on stem nematode and rhizosphere bacterial communities of sweet potato

Stem nematode (Ditylenchus destructor Thorne) is considered one of the most economically devastating species affecting sweet potato production. Biocontrol offers a sustainable strategy for nematode control. This study conducted a pot experiment to evaluate the biocontrol efficacy of Paecilomyces lilacinus CS-Z and Bacillus pumilus Y-26 against the stem nematode, as well as to examine their influence on the bacterial communities in the sweet potato rhizosphere. The findings indicated that B.pumilus Y-26 and P.lilacinus CS-Z exhibited respective suppression rates of 82.9% and 85.1% against the stem nematode, while also stimulating sweet potato plant growth. Both high-throughput sequencing and Biolog analysis revealed distinct impacts of the treatments on the bacterial communities. At the phylum level, B.pumilus Y-26 enhanced the abundance of Actinobacteria but reduced the abundance of Cyanobacteria, with P.lilacinus CS-Z exhibiting similar effects. Additionally, the treatment with B.pumilus Y-26 resulted in increased abundances of Crossiella, Gaiella, Bacillus, and Streptomyces at the genus level, while the treatment with P.lilacinus CS-Z showed increased abundances of Crossiella and Streptomyces. In contrast, the abundance of Pseudarthrobacter was reduced in the treatment with B.pumilus Y-26. Conversely, the application of the nematicide fosthiazate exhibited minor influence on the bacterial community. The findings indicated that the application of P.lilacinus CS-Z and B.pumilus Y-26 led to an increase in the relative abundances of beneficial microorganisms, including Gaiella, Bacillus, and Streptomyces, in the rhizosphere soil. In conclusion, P.lilacinus CS-Z and B.pumilus Y-26 demonstrated their potential as environmentally friendly biocontrol agents for managing stem nematode disease of sweet potato.

The Impact of Nitrogen Levels on the Growth, Development, and Yield of Orange-fleshed Sweet Potatoes (Ipomoea batatas L.)

Nitrogen (N) is one of the most important fertilizers in agriculture because it promotes the growth of plants and the uptake of other plant nutrients. This nutrient plays a significant role in determining the yield and nutrient composition of sweet potato root tubers. Therefore, this study aimed to determine the optimum application rate of N in sweet potatoes to maximize yields and increase growth efficiency. Four levels of N (50, 100, 150, and 200 kg/ha) were applied as treatments. A randomized complete block design was used, and each treatment was replicated five times. Vine length, leaf length, stem thickness, and chlorophyll content were measured weekly, and the storage root yield was determined at the end of the experiment. The results showed a significant effect of the N treatments on plant growth, chlorophyll content, vine length, leaf area index and storage root yield. The chlorophyll content and vine length increased with an increase in the N rate. However, an inverse relationship was observed between storage root yield and N rates; the highest yield was recorded for the 50 kg/ha N treatment and the lowest yield was recorded for the 200 kg/ha N applied. Therefore, a rate of 50 to 100 kg/ha N is recommended for the production of orange-fleshed sweet potatoes.

Contribution of Sweetpotato Production to Economic Empowerment of Farming Households in Niger-Delta Area of Nigeria

Many farming households in Nigeria are deprived, and poor, hence, the need for economic empowerment intervention. Sweetpotato production, due to its short cycle and low input requirement could be projected on a larger scale for farming households’ economic empowerment. However, data regarding ability of sweetpotato farming for farming households’ economic empowerment is scarce. Therefore, farming households’ sweetpotato production and economic empowerment in Nigeria’s Niger-Delta Area was investigated. 364 sweetpotato farming households were chosen through a five-stage sample process. Descriptive statistics, Pearson Product Moment Correlation, T-test, and multiple regression were used to analyze the data that interview schedule was used to collect. Most respondents were female and aged 42.7±11.9 years. Farm size; farming experience; and income from sweetpotato, other crops, and non-crop livelihood activities were 2.6±3.4 hectares; 17.2±12.4 years; and ₦1,327,723.0±1,639,414.0 yearly, ₦2,385,815.0±2,615,273.0 yearly, and ₦1,828,004.0±2,336,270.0 yearly, respectively. The sweetpotato production and economic empowerment were low and high amongst farming households, respectively. Age, farm size and income from sweet potato were significantly related to economic empowerment. The economic empowerment status of high and low sweetpotato producers differed significantly. Between farming households with low and high income from sweetpotato production, their economic empowerment status significantly differed. Farming households’ economic empowerment was mostly predicted by farming experience; and income from sweetpotato, and non-crop livelihood activities. Sweetpotato production influenced farming households' ability to prosper economically. Agricultural policies oriented towards improving economic empowerment should be promoted to emphasize increased sweetpotato production.

Sweetpotato sucrose transporter IbSUT1 alters storage roots formation by regulating sucrose transport and lignin biosynthesis.

The formation and development of storage roots is the most important physiological process in sweetpotato production. Sucrose transporters (SUTs) regulate sucrose transport from source to sink organs and play important roles in growth and development of plants. However, whether SUTs involved in sweetpotato storage roots formation is so far unknown. In this study, we show that IbSUT1, a SUT, is localized to the plasma membrane. Overexpression of IbSUT1 in sweetpotato promotes the sucrose efflux rate from leaves, leading to increased sucrose levels in roots, thus induces lignin deposition in the stele, which inhibits the storage roots formation and compromises the yield. Heterologous expression of IbSUT1 in Arabidopsis significantly increases the sucrose accumulation and promotes lignification in the inflorescence stems. RNA-seq and biochemical analysis further demonstrated that IbMYB1 negatively regulates the expression of IbSUT1. Overexpression of IbMYB1 in Arabidopsis reduces the sucrose accumulation and lignification degree in the inflorescence stems. Moreover, co-overexpression of IbMYB1 and IbSUT1 restores the phenotype of lignin over-deposition in Arabidopsis. Collectively, our results reveal that IbSUT1 regulates source-sink sucrose transport and participates in the formation of sweetpotato storage roots and highlight the potential application of IbSUT1 in improving sweetpotato yield in the future.

Virus-Free Sweet Potato Industry: Development Status and Production Suggestions

Sweet potato (Ipomoea batatas L.) is an important food, feed, and industrial raw material and new energy crop. Its rich nutritional value and health effects are increasingly being recognized by consumers, and the demand is increasing. However, due to the continuous cultivation of sweet potato over many years, the degeneration of seedlings and the accumulation of viral diseases are important factors affecting the yield and quality of sweet potatoes. This article provides an overview and analysis of the types and hazards of sweet potato virus diseases, the advantages of virus-free sweet potatoes, the scale of virus-free sweet potato cultivation, sweet potato stem tip virus-free production technology, its development status, and the existing problems. Combined with the development of the sweet potato industry across China, relevant development suggestions are proposed to provide a reference for promoting the healthy, stable, sustainable, high-quality, and efficient development of the sweet potato industry.

PRODUKSI UBI JALAR (Ipomea batatas L.) KARENA PENGARUH KETINGGIAN BEDENGAN DAN JENIS MULSA

Sweet potato plants require bed height and type of mulch for good growth and production. This research aims to determine the effect of bed height and mulch type on sweet potato (Ipomoea batatas L.) production. The study used a factorial randomized block design (RBD) with 2 factors. The first factor is the treatment of bed height and the second is the mulch type. The research was analyzed using analysis of variance and continued with an honest significant difference (HSD) test which will be done using the Excel application. The research showed that bed height and partial use of mulch significantly affected tuber production in sweet potatoes. The best bed height is 30 cm. The use of silver-black plastic mulch has a significant influence on sweet potato production. The interaction between bed height and mulch type only significantly affected tuber length in sweet potatoes

Effectiveness of Anaerobic Soil Disinfestation for Weed and Nematode Management in Organic Sweetpotato Production

Weeds and nematodes are particularly problematic in organic sweetpotato production due to a lack of effective pesticides. Anaerobic soil disinfestation (ASD) has the potential to fit into current pest management practices as an alternative to pesticide application. Greenhouse studies were conducted at the Clemson Coastal Research and Education Center (CREC) in Charleston, SC, to investigate the impact of carbon source amendment and a no carbon source treatment, and soil type on cumulative anaerobicity, weed control, nematode population, and sweetpotato vigor. Microcosms were filled with one of three different soil types (Charleston—loamy/native; Blackville—high coarse sand content; and Clemson—high clay content) and were mixed with cottonseed meal (CSM) or no carbon amendment. The pots were then sealed with plastic totally impenetrable film (Tif) for 6 weeks, followed by the transplanting of sweetpotato (cv Bayou Belle) slips. The results suggested that the CSM-treated microcosms spent more time under anaerobic conditions than those treated with the no carbon amendment. The microcosms that experienced a longer duration of anaerobicity had a lower percent weed cover (49%), fewer nematode egg masses, and a lower gall index when compared to microcosms which experienced a shorter duration of anaerobicity. Significantly higher instances of leaf necrosis were observed in the sweetpotato slips sown in the CSM-treated microcosms. The addition of CSM as a carbon source to facilitate ASD resulted in similar above-ground biomasses of the sweetpotato plants compared to the treatments containing no carbon amendment. However, a significantly lower below-ground biomass of the sweetpotato plants was observed in the CSM-treated microcosms.

The impact of biologically enhanced fertilisation systems on sweet potato (Ipomoеa batаtas) productivity and quality

The relevance of this research lies in determining the potential use of microbial preparations with varying functionalities to optimise the nutrition and stimulate the growth processes of sweet potato plants, as well as the synergistic effects of different preparations. The developed nutrient optimisation systems are designed to restore soil fertility, reduce the anthropogenic load on vegetable agroecosystems, produce high-quality yields, and increase sweet potato productivity without relying on energy-intensive production methods. This study aimed to investigate the impact of biological fertilisation systems on the biometric parameters, yield, and quality of sweet potato tubers. The research programme was implemented through field, statistical, computational-analytical, and laboratory methods. An increase in the number (7.33-9.83 per plant) and length (175.55-184.89 cm) of shoots was observed with the application of the biological preparations “Groundfix” + “Humifriend”, “Help-Rost for vegetables”, and “Mycofriend”. The use of foliar fertilisations in three terms of “Help-Rost for vegetables”, both in combination with “Mycofriend” during fertigation and with the foliar fertilisation “Humifriend”, resulted in maximal leaf mass formation on the plant (2.41-2.56 m2 /ha in the third decade of June and 23.12-27.45 m2 /ha in the third decade of August). Microbial preparations significantly increased net photosynthetic productivity by 28.9-63.9% during the period from the third decade of June to the third decade of July, especially when “Groundfix” and “Humifriend”, or “Humifriend” and “Help-Rost for vegetables” were combined. A substantial commercial yield of tubers (17.4 t/ha) was achieved by applying the mycorrhizal preparation “Humifriend” (1.5 L/ha) in the first fertigation and conducting three foliar applications of “Help-Rost for vegetables” at 2.0 L/ha. Treatments involving biological preparations demonstrated improvements in key biochemical parameters. The use of “Groundfix” + “Humifriend” and “Humifriend” + “Help-Rost for vegetables” resulted in a decrease in nitrate levels in the produce. The authors hypothesise that the optimal supply of micronutrients, particularly iron, manganese, and molybdenum, enhances the transformation of nitrates into organic matter. This research provides valuable insights for the rational application of biologically enhanced fertilisation systems to achieve high yields and quality of sweet potato tubers in various agricultural settings

Empoasca fabalis DeLong (Hemiptera: Cicadellidae) in European sweet potatoes: records, leaf damage, and Auchenorrhyncha insights

The recent surge in sweet potato (Ipomoea batatas) cultivation in Europe prompted an investigation into associated entomofauna within Portugal's southwestern region, known for its longstanding sweet potato production. This study aimed to assess entomofauna associated with this culture.Insect sampling was conducted by leaf and sweep net across three regional sites during 2018 and 2019 revealing the presence of Empoasca fabalis. Histological examination of sweet potato leaves affected by E. fabalis feeding unveiled significant damage, including the emergence of whitish spots (termed “stipples”) and subsequent necrotic spots. Comparative analysis between infested and undamaged control leaves revealed significant damage, involving mesophyll cell content deprivation and cellular disruption. This study describes, for the first time, the histological nature of the necrotic damage and suggests that E. fabalis primarily acts as a stippler on sweet potatoes, mainly targeting mesophyll cells with limited consumption of vascular tissue. The invasive behaviour and wide host range of E. fabalis pose a threat to sweet potato cultivation. These findings emphasize the need for monitoring to address the potential impact of E. fabalis on Europe’s agricultural ecosystem and native vegetation.In addition, six other Auchenorrhyncha species were identified during this study, including four crucial vectors of plant diseases: Laodelphax striatellus, Psammotettix alienus, Anaceratagallia glabra, Austroagallia sinuata, together with Empoasca solani and E. alsiosa. These results emphasise the importance of managing these insects in sweet potato cultivation.

High-throughput near-infrared spectroscopy analysis of nutritional composition in sweet potato stem tips

Leaf-vegetable sweet potato is a nutritious food source, with stem tips as the harvest organ. However, the lack of rapid quantitative approaches for quality evaluation of stem tips largely limits the genetic improvement of leaf-vegetable sweet potato. This study aimed to establish a near-infrared spectroscopy (NIRS) methodology for the rapid analysis of both proximate (cellulose, crude protein, and soluble sugar) and functional (chlorogenic acid, total flavonoid content, and total phenolic content) components in the stem tips. Leveraging a dataset of 140 representative germplasm samples, we developed six robust NIRS models through the optimization of calibration sets and variable selection. These models exhibited exceptional accuracy, with high determination coefficients on calibration (R2C = 0.95–0.98), cross-validation (R2CV = 0.93–0.96), external validation (R2V = 0.91–0.95), and the ratio of prediction to deviation (RPD = 6.78–9.72). Overall, the NIRS models developed through this research facilitate high-throughput profiling of nutritional composition in stem tips, thereby enabling the swift identification of superior germplasm suited for leaf-vegetable sweet potato production.

Analysis of Economic Efficiency: Case of Sweet Potato Seed Vine Production in Homabay County, Kenya

Sweet potatoes are not only a nutritious, high value food for the daily diet, but also an important source of income. In the selected survey areas in the Lake Region of Kenya, sweet potato is amongst the major commercially grown crops. Therefore, in order to understand the profitability and performance of sweet potato producers in the study area, this study was implemented. Sweet potato is one of the main commercially produced crops in the selected survey areas in the lake region of Kenya. Therefore, this study was conducted to understand the profitability and performance of sweet potato producers in the study areas. The study employed Cost Function in the analyses of Economic Efficiency of Sweet Potato Seed Vine Production system in Kenya. A multi-stage random sampling technique was used to select sample size of 150 sweet potato vine producers for this study. By use of a structured questionnaire, data was collected on production input, output, input and output prices, characteristics of sampled farmer and plot. Using the maximum likelihood method, the variables of the cost function were estimated. Result revealed that the farm level cost- efficiency was about 56 percent. The research has shown that age and farm size were negative but significantly related to cost-efficiency at ten and one percent respectively. Gender, farming experience, Education, access extension to and credit were positive but significantly associated with cost-efficiency at one percent. The study advocates for policy decision that youthful farmers be inspired to venture into SP vine production and the government to enhance access to education, credit and extension services the ongoing farming.

ANALYSIS OF SWEET POTATO PRODUCTION IN EBONYI STATE, NIGERIA

This paper analyzed sweet potato production in Ebonyi State, Nigeria. Multi-stage and proportionate sampling methods were used to collect two hundred and one sweet potato farmers for the study. Data were collected using structured questionnaire and analyzed using descriptive such as frequency and percentages and inferential statistics such as Ordinary Least Square regression model. Results showed that 74.13% of the sweet potato farmers were female with mean age of 38years, mean educational level of 12years with 96.52% of them were married having a mean household size of 8persons. Farm size, quantity of improved sweet potato varieties planted, labour and weeding were significant at 1% and 5% respectively and were positively related to vine yield while farm size, quantity of improved sweet potato varieties planted, fertilizer application and insecticide were significant at 1% and 5% respectively and were positively related to root yield. The production of sweet potato in Ebonyi state was affected by some production factors which causes low yield in the vine and root of sweet potato. Therefore, Organization of field days and farmers’ training on sweet potato production as well as procurement and distribution of improved varieties to farmers are effective strategies for stimulating adoption of the technologies.

Structured Planning for Strengthening Marketing and Distribution Capacity of Cilembu Sweet Potato Products

The method of implementing this community service is systematically designed to overcome the problems faced by the target partner, Ma Utik, in developing the Cilembu yam industry and its processed products. The preparation and planning stages as well as socialization and initial training are the main focuses in this program. The preparation stage begins with an initial survey to identify partner needs related to marketing, business management, distribution network development, and product innovation. A service team consisting of experts in economics, management, agribusiness, and informatics was formed with a division of tasks according to competence. A structured work plan includes a schedule of activities, implementation methods, and indicators of success, as well as careful management of budgets and resources. Socialization and training materials were developed based on partner needs to ensure in-depth understanding and mastery of relevant skills. The socialization phase begins with an initial meeting to introduce the program's objectives, benefits and solutions to partners, while accommodating their inputs. Initial training was conducted to provide partners with a foundation of knowledge and skills. Marketing strategy training covers the use of social media, digital marketing, branding, and promotion. Business management training covers business planning, financial management, and strategic decision-making using business management software. Distribution network development training includes negotiating and building relationships with distributors, as well as utilizing communication technology. Product innovation training includes identification of market trends and development of new products using market research technology. Through this approach, it is expected that partners can understand the program objectives and acquire the necessary skills to improve their competitiveness. With effective coordination between the service team, community partners, and supporting institutions, this program can run smoothly and have a significant impact. The implementation of a digital marketing application specifically for Cilembu yam products is one of the main results that is expected to increase product visibility, facilitate customer access, strengthen branding, and increase interaction with customers and business partners

Market Expansion Strategy for Sweet Potato Export Products Using the Ansoff Matrix (Case Study of CV SNR Bumi Indonesia)

CV SNR BUMI INDONESIA is a producer and exporter of sweet potatoes, with products that meet export quality and capacity standards. However, the company faces challenges in marketing and finding the right strategy to utilize the trade potential of its sweet potato products to increase export sales. This study aims to determine strategies that can be implemented for export market expansion. The research employs a qualitative and quantitative descriptive approach using the Ansoff Matrix, measured with a Likert scale. The findings indicate that the Product Development Strategy, with the highest index value of 89.0%, falls into the "Very Ready" category, making it the optimal strategy for the company to pursue for export market expansion.

Design and control of a side dense transplanting machine for sweet potato seedlings on mulch film

At present, China is the leading country in sweet potato cultivation worldwide. However, there are still several problems such as high labor intensity, low efficiency of manual transplanting, and lack of machinery for side transplanting for sweet potato seedlings on mulch film. Therefore, a side dense transplanting machine for sweet potato seedlings on mulch film is designed, using a multi-row side transplanting method. It is mainly composed of a transplanting device, a seedling conveying device, a traveling device, and a control system. Based on the agronomic requirements for sweet potato transplanting, the study focuses on the structure and working principle of the complete machine. It involves the detailed structural design and motion analysis of the crank-rocker and cam of the transplanting device. Based on the sweet potato seedlings transportation plan, parameters such as the vertical height of the seedling conveying device, the size of the support frame, and the relative relationship between position of the transplanting device are determined. To ensure the smooth transplantation of sweet potato seedlings, the motor parameters required for each device are calculated and determined. An Arduino control system is developed to manage the coordinated movement of each device. Positioning components are integrated to ensure accurate coordination between the transplanting device and the seedling conveying device. This setup enables the seedling claws to pick sweet potato seedlings and perform the side transplanting on the mulch film. Field test results show the missed rate of seedlings, the qualified rate of transplanting and the qualified rate of transplanting depth are 4.13 %, 91.62 % and 93.86 % respectively. The transplant spacing coefficient of variation and the average spacing between seedlings are 1.90 and 177.06 mm respectively. All indicators of the transplanting machine meet the agronomic requirements for side dense transplanting for sweet potato seedlings on mulch film. The transplanting machine is integrated with sweet potato seedling transplanting agronomy, achieving mechanized transplanting of sweet potato seedlings, reducing labor intensity, and promoting the quality and efficiency of sweet potato production. This research provides a reference for the development of sweet potato seedlings transplanting equipment.