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标杂A_1抗虫杂交棉为大株型,鸡爪叶,株高1.2～1.4米,生育期120天,既可麦棉套种,也可麦后、油菜后移栽,霜前花率95％以上。生育进程快,结铃性强,单株果枝40个左右,单株成铃40～60个,单铃重5.1克,衣分40％～42％,适宜黄河流域和长江流域棉区种植。标杂A_1有7大特点: 1.超高产。由于引入了自交系理论,标杂A_1的双亲是
Biao hybrid A_1 insect-resistant hybrid cotton for the large plant type, chicken claw leaves, plant height of 1.2 to 1.4 meters, the growth period of 120 days, both wheat and cotton intercropping, also after the wheat, rape transplanted before frost flower rate of 95% the above. The process of fertility is fast and the boll is strong. There are about 40 fruiting branches per plant, with 40 to 60 bolls per plant. The boll weight is 5.1 grams per coat, and 40% to 42% of the clothes are suitable for cotton planting in the Yellow River and Yangtze River valleys. Standard Miscellaneous A_1 has seven major features: 1. Super high yield. Due to the introduction of the inbred line theory, the standard parent A_1 is