Effect of date and method of kill on yield, specific gravity and other quality factors of maine potatoes

Terman, G. L.; Cunningham, Charles E.; Goven, M. J.

doi:10.1007/bf02885264

Cited by 11 publications

(3 citation statements)

References 5 publications

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“…Yields of 'Atlantic' tubers larger than 1.88 inches diameter were not adversely affected by desiccation. This observation agrees with many researchers (Ivany et al, 1986;Haderlie et al, 1989;Halderson et al, 1985b;Renner, 1991, andTerman et al, 1952). Yield decrease has also been reported (Nelson and Nylund, 1969) but usually associated with early desiccation during the late bulking period (Halderson et al, 1985b).…”

Section: Discussionsupporting

confidence: 92%

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UCC-C4243 Dessication of Potato Vines

Pavlišta¹

2001

horttech

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Chemical vine desiccation of potato (Solanum tuberosum L.) is widely used in the USA. Diquat is the major vine desiccant but has some drawbacks such as incomplete stem desiccation allowing regrowth. A new herbicide, UCC-C4243, was evaluated as a replacement for diquat. The potato cultivar `Atlantic' was treated with UCC-C4243 (a.i.) at 0.25 to 2.5 oz/acre (17.5 to 175 g·ha-1), and leaf and stem desiccation efficiency was compared to diquat (a.i.) at 4 oz/acre (280 g·ha-1). Split applications of UCC-C4243 were compared to double applications of diquat. Subjective evaluations were made on regrowth and tuber skinning, and objective measurements on specific gravity and yield. Trials were conducted from 1991 to 1995 at Scottsbluff, NE. UCC-C4243 at 1.5 oz/acre (105 g·ha-1) and higher significantly increased leaf and stem desiccation compared to diquat. There was no difference between single and split applications of UCC-C4243. UCC-C4243 suppressed regrowth at 1 oz/acre (70 g·ha-1) and prevented it at 2.5 oz/acre at 3 weeks after treatment while diquat did not. Skin set of tubers was promoted equally by all desiccants. Specific gravity was not lowered by UCC-C4243 but was by diquat. Yields were not affected by either UCC-C4243 at 1.5 oz/acre or diquat at 4 oz/acre. UCC-C4243 was more effective than diquat as a vine desiccant without the regrowth and tuber specific gravity effects associated with diquat.

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Section: Discussionsupporting

confidence: 92%

“…With good skin set, bruising of tubers during harvest is minimized (Mohsenin, 1965). Skin set on tubers takes 10 to 20 d after vine desiccation (Terman et al, 1952). Continuous vine growth and regrowth after desiccation also are major concerns for the spread of diseases (Ivany et al, 1986).…”

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confidence: 99%

UCC-C4243 Dessication of Potato Vines

Pavlišta¹

2001

horttech

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“…Additionally, skin set improved when potato vine management was initiated 21 d PTH compared to 14 d PTH. Previous research suggests that longer time intervals between date of vine management initiation and date of harvest result in a decrease of tuber skinning (Terman et al 1952; Bethke and Busse 2010). The use of flail chopping and flame burning can be substituted for diquat with similar results for skin set and overall tuber yield, particularly when vine management programs are initiated 21 d PTH.…”

Section: Resultsmentioning

confidence: 99%

Alternative Vine Management Programs for Fresh-Market Potatoes

et al. 2018

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Economically solvent fresh-market potato production is predominantly dependent on the ability to efficiently produce consistent tuber quality and high yield, and the ability to meet first-to-market demand with early-season potatoes. Unfortunately, these two qualifiers often work against each other in terms of production management. In response, we studied integrated potato vine management programs that support timely early-season potato harvest. Vine management with a flail chopper, roller, and flame burner used alone or followed by diquat was evaluated when initiated 21 or 14 d prior to harvest in 2015 and 2016. Potato varieties included ‘Yukon Gold’ and ‘Dark Red Norland’. Potato leaf and stem management, as well as tuber skinning, stolon separation, grade, and yield were quantified. Among mechanical methods, potato leaf and stem management were poor when vines were rolled or mowed but better when flail chopped. In general, vine management and tuber skin set was better when treatments were initiated 21 d prior to harvest as opposed to 14 d. Vine management, tuber skin set, and yield were comparable when potato vines were flail chopped followed by flame burning and where diquat was applied twice, offering a viable program for smaller scale or organic production.

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Potato vine killing

Murphy

1968

American Potato Journal

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Effect of date and method of kill on yield, specific gravity and other quality factors of maine potatoes

Cited by 11 publications

References 5 publications

UCC-C4243 Dessication of Potato Vines

UCC-C4243 Dessication of Potato Vines

Alternative Vine Management Programs for Fresh-Market Potatoes

Potato vine killing

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