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通过选取5个长绒棉品种(系),结合收获前喷施脱叶剂进行适合机械采收的长绒棉品种筛选试验,综合考察各品种的生育特性、农艺性状、脱叶率与吐絮率、产量指标以及纤维品质等表现。结果显示,新海45号、4102品系和4213品系均对脱叶剂敏感,且结铃性强、株高适宜、茎秆坚韧不易倒伏、始果枝着生位较高、果枝较短且上冲、株型紧凑、吐絮集中、含絮力适中、纤维品质优良,是具有适宜机械采收性状的长绒棉材料。
By selecting 5 varieties of long-staple cotton (lines), combined with pre-harvest spraying defoliants for mechanical harvesting of long-staple cotton varieties screening test comprehensive study of reproductive characteristics of various varieties, agronomic traits, , Yield indicators and fiber quality performance. The results showed that Xinhai 45, 4102 and 4213 were all sensitive to deflocculant and had the characteristics of strong boll bond, suitable plant height, stalk tough and easy to lodging, Plant compact, Tuitou focus, with moderate floc strength, fiber quality, is suitable for mechanical harvesting properties of long-staple cotton material.