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Variety Characteristics of Lu Potato No. 1

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Variety source: In 1976, the Vegetable Research Institute of the Shandong Academy of Agricultural Sciences crossed "733" (Anemone x Kexin No. 2) as the female parent with "6302-2-28" (Fortuna x Katahdin) as the male parent. It was bred in 1980, examined and named by the Shandong Provincial Crop Variety Approval Committee in 1986, and promoted that same year. Main traits: plant type spreading, moderate branching, plant height 60-70 cm, stems green, moderate growth vigor; leaves green, moderately hairy, large compound leaves

Variety source: In 1976, the Vegetable Research Institute of the Shandong Academy of Agricultural Sciences crossed "733" (Anemone x Kexin No. 2) as the female parent with "6302-2-28" (Fortuna x Katahdin) as the male parent. It was bred in 1980, examined and named by the Shandong Provincial Crop Variety Approval Committee in 1986, and promoted that same year.

Main traits: plant type spreading, moderate branching, plant height 60-70 cm, stems green, moderate growth vigor; leaves green, moderately hairy, compound leaves large, leaf margins flat, 4 pairs of lateral leaflets, medium density of arrangement; inflorescence peduncle green, pedicel articulation colored, corolla white, petal tips colorless, medium size, no double petals, stamens yellow-green, stigma 2-3 lobed, style medium length, ovary cross-section colorless, pollen amount very small, no natural fruit set, prone to flower and bud drop; tubers oval, top flat, skin yellow and flesh light yellow, skin smooth, tuber size medium and uniform, number and depth of eyes both medium, tuber set concentrated; semi-light-sprouted young sprouts with round base, purplish-red, top blunt, yellow-green, heavily hairy; tubers short dormant period, good storability. Early maturing, growth period about 60 days, steamed eating quality medium; processing quality: dry matter 22.2%, starch 13.3%, reducing sugar 0.01%, crude protein 2.08%, vitamin C 19.2 mg/100 g; resistant to potato leafroll virus disease, tolerant to potato leafroll virus, relatively resistant to scab; yield 1500 kg per 667 sq m, up to 3000 kg maximum.

Suitable growing areas: adapted to cultivation in the Central Plains two-crop region; mainly distributed in Shandong Province.

Key cultivation techniques: the suitable density for this variety is 4000-5000 plants per 667 sq m, and the autumn planting density should be increased by 30% compared with spring planting.

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