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研究了不同简化整枝方式对抗虫棉生育进程、产量及主要经济性状的影响。结果表明 :不同简化整枝方式对不同基因型抗虫棉的生育进程、产量及主要经济性状影响存在明显差异 ;河北地区适宜的简化整枝方式以留 2个营养枝处理效果最好。
The effects of different simplified pruning methods on the growth, yield and major economic traits of Bt cotton were studied. The results showed that there were significant differences in the effects of different simplified pruning methods on the growth progress, yield and main economic traits of different genotypes of insect-resistant cotton. The simplified pruning method in Hebei Province had the best effect with two vegetative branches.