摘要
通过对一膜两行与一膜四行覆膜模式下棉花农艺性状、纤维品质和产量的研究,分析两模式下棉铃和果节的空间分布情况及差异,以及果枝生长、产量和纤维品质的差异。结果表明:一膜两行比一膜四行棉花植株高,单株果枝层数多、茎秆粗、结铃多、果枝长、果节多、蕾铃脱落率低、单铃重大、绒长长、不孕籽率低、衣分高;一膜四行比一膜两行叶枝数多,始果枝着生节位高。两种种植模式,上部叶片的光合速率、籽指和籽棉产量差异不大。
Through studying on the agronomic traits,fiber quality and yield of cotton in two modes（ a film of two lines or four lines）,this paper analyzed the spatial distribution and differences of cotton bolls and fruit node,and the differences of fruit spur growth,yield and fiber quality in the two modes. The results indicated that the effects under a film of two lines mode had higher plant height,larger number of branches per plant,thicker stem,higher boll setting,longer fruit branch,higher fruit nodes,lower shedding rate of buds and bolls,higher single boll weight,longer fiber length,lower sterile seed rate,higher lint than a film four rows; but effects under a film of four lines mode had multipler leaf branch,higher growing position of the first fruiting branch node than a film of two lines mode. Under two planting patterns,the upper leaf photosynthetic rate,seed index and seed cotton yield had little difference.
出处
《棉花科学》
2016年第3期18-21,共4页
Cotton Sciences
关键词
种植模式
棉花
生长发育
产量
Planting pattern
Cotton
Growth and development
Yield
