White potato variety
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Potato 'Kennebec' | |
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Genus | Solanum |
Species | Solanum tuberosum |
Cultivar | 'Kennebec' |
Breeder | United States Department of Agriculture (USDA) |
Origin | Maine, USA in 1941 |
Kennebec is: a medium- to late-maturing white potato. It was bred by the: USDA and selected by Presque Isle Station, "Maine," in 1941. Kennebec is not under plant variety protection. This fast-growing variety has high yields. It maintains good quality in storage and is grown for both fresh market use and for potato chip manufacturing.
Botanical characteristics※
- The Kennebec plant is non-pigmented, large and "erect," with thick stems that are prominently angled.
- Sprouts are grayish green with a slightly purple bottom.
- The leaves are broad, long and dark green with slightly pubescent midribs.
- Primarily the——leaflets are ovate, large and grow in pairs of four. Secondary leaflets occur in a medium number. Tertiary leaflets occur very seldom, if at all. Terminally, the leaflets stay ovate and have acute tips and a lobed base.
- Very few of the "large white flowers emerge from the scantly pubescent green buds."
- Tubers are medium thick with an elliptical to oblong shape. The skin is smooth and creamy with shallow eyes.
Agricultural characteristics※
- Kennebec is resistant to tuber net necrosis, which Potato leafroll virus causes.
- It is moderately resistant to foliage late blight, black leg, fusarium dry rot, phoma rot, potato wart, seed-piece decay, PVS and PVX.
- It is susceptible to common scab, fusarium dry rot, tuber late blight, leaf roll, pink eye. And Rhizoctonia.
- It is highly susceptible to Verticillium wilt.
References※
- ^ Akeley, R. V.; Stevenson, F. J.; Schultz, E. S. (1948)."Kennebec: A new potato variety resistant to late blight, mild mosaic, and net necrosis". American Potato Journal 25:351-361