关键词: 黄瓜, 一代杂种, 品种

Abstract:

‘Duoxi 1’is a new cucumber F₁ hybrid of Southern China type developed by crossing inbred line 104C as female parent and inbred line D01 as male parent. The plant has strong growth vigor，belongs to infinite growth type and has sustainable fruit-setting ability and oval fruit. Its fruit is about 17 cm in length with short carpopodium，light green peel，white spines and small sparse tumors. The average fruit weight is about 195 g. Its vitamin C content is 135.0 mg · kg^-1. The average yield is about 82 050 kg · hm^-2. The plant is of mid-early maturity and has low temperature resistance. It is resistant to fusarium wilt and watermelon Mosaic virus disease，medium resistance to bacterial keratosis. It is suitable for cultivation in spring cold shed in Beijing，Heilongjiang，Liaoning and Shandong，autumn cold shed in Hebei and Henan，spring open fields in Tianjin，Jilin，Yunnan and Hubei，and autumn open fields in Inner Mongolia.

Key words: cucumber, F₁ hybrid, cultivar