Performance of Sweetpotato Varieties Grown Using Black Plastic Mulch in Pennsylvania

Duque, Luis O.

doi:10.21273/horttech04689-20

Cited by 3 publications

(9 citation statements)

References 14 publications

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“…Yet, sweetpotato can grow in heavy soils, but yield and quality can decrease. However, recent studies have shown potential in adapting sweetpotato management and production strategies in less-than-ideal scenarios [2,[11][12][13][14]. Considering that, the adaptability and adoptability of sweetpotato in the northern latitudes (e.g., Canada, Mid-Atlantic, and Northeast U.S.) has been wellresearched [2,[11][12][13][14].…”

Section: Discussionmentioning

confidence: 99%

“…Interestingly, this is the first study that evaluates the production of Petite sweetpotato separate from other sweetpotato standards for grades of sweetpotato using different varieties in the Mid-Atlantic and Northeastern U.S. region. The U.S. population has steadily increased its consumption of fresh market sweetpotato, but sweetpotato is also progressively being used for high-value alternate markets, such as processed foods (e.g., French fries and chips) and industrial products (starch, flour, food dyes), among others [2]. Typically, direct-market sales through local farmers' markets and grocery stores are the principal outlet for vegetable farmers, and locally grown sweetpotatoes throughout the Mid-Atlantic and Northeastern U.S. [2].…”

Section: Discussionmentioning

confidence: 99%

“…Field preparation and experiment design was performed following Duque [2]. In short, land was tilled and 91.4 cm wide by 20.3 cm high raised beds were formed using a raised bed-mulch-drip tape layer implement (model 2400 Mini Layer: Rain-Flo Irrigation, East Earl, PA, USA).…”

Section: Field Preparationmentioning

confidence: 99%

“…Numerous Mid-Atlantic and Northeastern growers' plant and harvest sweetpotatoes as part of a diverse farm shifting between 0.4 and 141 hectares [1]. Although the Mid-Atlantic and Northeast sweetpotato hectares have increased ~19% in the last 10 years [1], the bulk of sweetpotatoes used in the Mid-Atlantic and Northeastern U.S. are transported and disseminated from southern U.S. states, such as North Carolina and Louisiana [2]. Lately, with increased consumer preference for more nutritious foods, updated marketing strategies and novel breeding methods, sweetpotato has gradually improved its importance in the U.S. and the crop is now ranked as one of the most nutritious vegetables [3].…”

Section: Introductionmentioning

confidence: 99%

“…Hence, Petite sweet potato production could be especially important to Mid-Atlantic and Northeastern U.S. states. Currently, the greatest challenges for sweet potato production in these regions are: (1) a shorter growing period, (2) milder climate, (3) irregular and variable rainfall events, (4) non-adapted varieties, (5) inadequate farm infrastructure, (6) post-harvest handling, and (7) market opportunities, among others [2]. However, sweet potato and vegetable farmers alike could take advantage of the disadvantages stated above.…”

Section: Introductionmentioning

confidence: 99%

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A Win–Win Situation: Performance and Adaptability of Petite Sweetpotato Production in a Temperate Region

et al. 2022

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New-found interest in sweet potato production in the Mid-Atlantic and Northeastern U.S. has been steadily increasing in the last several years. Sweet potatoes are usually grown for fresh market use and novel marketing strategies and new consumer niches are providing farmers options of growing new sweet potato varieties with exciting colors and flavor profiles that are adapted to the Mid-Atlantic and Northeastern U.S. Petite sweet potatoes have gained market attention because they are easier to handle and faster to cook compared to U.S. No. 1 storage roots. The goal of this research was to determine the performance and adaptableness of eight commercial sweet potato varieties and two unreleased accessions for U.S. No.1 and Petite sweet potato production under black plastic mulch tailored for the mild temperate growing conditions of the Mid-Atlantic and Northeastern U.S. Two in-row spacings (15 cm and 30 cm) and two harvest dates (90 and 120 days after planting, DAP) were evaluated during the 2018 and 2019 growing seasons. Our results showed that the ideal harvest time is at least 120 DAP compared to an early harvest at 90 DAP as there was a 2-fold difference in marketable yield at both 15 and 30 cm in-row spacing with marketable yield between 20 and 54 t ha−1. ‘Averre’ and ‘Beauregard’ produced the highest U.S. No. 1 and Petite yields under both in-row spacing treatments harvested at 120 DAP for both years evaluated, though the general effect of in-row spacing and DAP interaction (separate years) on yield performance was cultivar specific. We also found that growing degree days is a better predictor for harvest than days after planting, with an accumulation of at least ~700 GDD (base temperature 15.5 °C) or ~1300 GDD (base temperature 10 °C) for both U.S. No. 1 and Petite roots. Additional studies are required to identify the stability of cultivars tested and treatments imposed with environmental interactions in this region. In addition, there is an urgency for updated sweet potato management practices exclusively designed for sweet potato varieties for the Mid-Atlantic and Northeastern U.S.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Field Preparationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Win–Win Situation: Performance and Adaptability of Petite Sweetpotato Production in a Temperate Region

et al. 2022

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Black plastic mulch affects soil temperature and yield of sweet potato under short season temperate climates

Rao

Singh

Gonsalves

2022

International Journal of Vegetable Science

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Plastic Mulch and In-row Spacing Effects on Sweetpotato Yield in Northwest Washington

Shrestha

Miles

2022

hortte

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Sweetpotato (Ipomoea batatas) production in the northern United States is limited due to the perceived barriers of a short growing season and relatively cool summer temperatures, yet recent studies have shown yield in northern regions can be greater than the national average when sweetpotatoes are grown with plastic mulch. A study was conducted in northwest Washington to evaluate the productivity of ‘Covington’ sweetpotato with polyethylene (PE) and soil-biodegradable (BDM) mulches and different in-row spacings (20, 30, and 38 cm) in 2019, and to test accessions resistant to wireworm (Agriotes sp. and Limonius sp.) in 2020. In 2019, slips were shipped from North Carolina, and after 4 days in transit, 60% to 70% died after transplanting in the field. By the end of the season, BDM deterioration reached 11% compared with 0.4% for PE mulch, but there were no differences due to mulch in plant establishment, growth, yield, or the proportion of storage roots damaged by wireworm. Total storage root yield was 22 t⋅ha−1 with PE mulch and 15 t⋅ha−1 with BDM. Percent canopy cover was greatest at 20-cm spacing later in the growing season, likely due to intermingling of vines from adjacent plants, whereas high percent canopy cover at 38-cm spacing was likely due to increased production of secondary vines per plant. Total yield was greatest with 20-cm plant spacing (20.4 t⋅ha−1), intermediate with 30-cm spacing (18.0 t⋅ha−1), and lowest with 38-cm spacing (17.0 t⋅ha−1). In contrast, the greatest number of storage roots per plant was produced with 38-cm plant spacing (3.4). There were more jumbo sweetpotatoes produced with PE mulch (3.4 t⋅ha−1) and with 30-cm spacing (3 t⋅ha−1), and the weight of U.S. No. 2 grade sweetpotatoes was greatest at 20-cm spacing (10.2 t⋅ha−1). Soil temperature was increased by 3 °C under the PE mulch and 2 °C under the BDM compared with bare ground. However, 98% of storage roots were observed to be severely damaged by wireworm in 2019, with more than 10 to 20 holes per storage root. For wireworm-resistant accessions in 2020, 16% of the storage roots were damaged by wireworm, with 1.7 to 4.0 holes per storage root. Total yield of accessions PI 666141 and 04-791 (45.5 t⋅ha−1 on average) was greater than the national average (24.7 t⋅ha−1). Overall, sweetpotatoes appear to be suitable for production in northwest Washington, but low yield in 2019 highlights the importance of healthy slips for successful production. Future research should evaluate cultivars with maximum adaptation to the region, techniques to reduce wireworm damage including genetic resistance, and the economics of producing sweetpotatoes in northern regions.

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Performance of Sweetpotato Varieties Grown Using Black Plastic Mulch in Pennsylvania

Cited by 3 publications

References 14 publications

A Win–Win Situation: Performance and Adaptability of Petite Sweetpotato Production in a Temperate Region

A Win–Win Situation: Performance and Adaptability of Petite Sweetpotato Production in a Temperate Region

Black plastic mulch affects soil temperature and yield of sweet potato under short season temperate climates

Plastic Mulch and In-row Spacing Effects on Sweetpotato Yield in Northwest Washington

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