南疆高产棉花种子介绍

南疆高产棉花种子介绍
2025-03-25 23:47:04
推荐回答(1个)
回答1:

(7860大铃系 国审棉2009014)

早熟超高产华农16号棉花品种是常规棉新品种,其突出特点是早熟、大铃、抗病、抗虫、管理省工。

品种来源:邯93—2×CK12

特征特性:

属中早熟常规品种,黄河流域春播全生育期125天,出苗快,中期长势强,后期长势稳,

不早衰,株高1米左右,叶片中等大小,深绿色,第一果枝节位6.5节,单株结铃30—50个,稀植栽培多的可达100多个,铃卵园形,吐絮肥畅,单铃重7-8克,衣分40-42%,子指10.7克,霜前花率93%,高抗枯萎病,耐黄萎病,抗棉铃虫,绒长30毫米,断裂比强度29.3厘牛/特克斯,马克隆值5.1。断裂申长率6.4%,反射率74.9%,整齐度指标85.5%。

产量表现:

春播亩产900--1200斤,麦茬套种一般亩产700斤以上,比对照品种鲁研棉18、冀668、

国欣5号等品种分别增产30.8%——37.4%。高产实验田比对照品种山农丰抗6、中棉所41分别增产31.2%、36.5%。

栽培要点:

1、黄河流域棉区4月下旬播种,直播,地膜覆盖均可。

2、每亩种植密,蒜茬套种1800-2000株,麦套棉2500-3000株,高产田,地膜覆盖春播2000-2500株,低产田3000-3500株。建议新疆9000-12000株为宜。

3、施肥以基肥为主,追肥为补,基肥有机肥为主,化肥为补,初花期适量追施氮肥,

6月下旬遇旱及时浇水。

4、全程合理化控。

5、二代棉铃虫一般不需防治,三、四代棉铃虫当百株二龄以上幼虫超过5头时应及时防治,

全生育期注意防治蚜虫、红蜘蛛、盲蝽象等其它害虫。

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