摘要
为筛选合理密植条件下不同棉花品种的适宜株行距配置模式,为黄河流域机采棉的发展提供一定的技术支撑,试验筛选了3个冀中南地区主栽品种:冀棉958、石抗126和冀863,设置了75 000株/hm2种植密度下4个不同的株行距配置,行距分别为80(Ⅰ),75(Ⅱ),70(Ⅲ),(100+50) cm(Ⅳ),同时设置常规种植密度45 000株/hm2为对照(CK,行距80 cm),研究了合理密植条件下不同株行距配置对棉花生长发育和产量品质的影响。结果表明,合理密植下不同株行距配置对不同品种的株高、茎粗和果枝台数等农艺性状的影响不尽相同;冀棉958和石抗126不同株行距配置的单株成铃数之间无显著差异,均显著低于低密度下的CK,单株成铃率则均为处理Ⅱ与处理Ⅳ显著高于处理Ⅰ与处理Ⅲ;冀863的单株成铃数以处理Ⅳ最高,其次为处理Ⅱ;冀棉958籽棉产量以处理Ⅳ最高,石抗126籽棉产量为处理Ⅱ与处理Ⅳ显著高于处理Ⅰ与处理Ⅲ,冀863的籽棉产量则为处理Ⅱ与处理Ⅳ略高于处理Ⅲ,处理Ⅲ又略高于处理Ⅰ。推荐3个棉花品种适宜的株行距配置为75 cm行距与(100+50) cm 2种种植模式。
The purpose of the experiment is to screen suitable planting spacing distribution patterns of different cotton varieties under reasonable density planting conditions,and to provide certain technical support for the development of mechanized cotton harvesting in the Yellow River basin.Three main cultivars in central and Southern Hebei were selected:Jimian 958,Shikang 126 and Ji 863.The test set four different strains of row spacing:80(Ⅰ),75(Ⅱ),70,(Ⅲ),(100+50) cm (Ⅳ) under 75 000 plants/ha planting density ,at the same time set the conventional planting density of 45 000 plants/ha to control (CK,spaced 80 cm),to study the influence of different strains of planting spacing the under reasonable density planting condition on cotton growth,yield and quality.The results showed that the effects of different planting spacing on plant height,stem width and number of fruiting branches of different varieties were different under reasonable dense planting.There was no significant difference between the bolls No.per plant in Jimian 958 and Shikang 126,but the numbers were significantly lower than CK which was in low density.The ratios of the boll-setting per plant in treatments Ⅱ and Ⅳ were significantly higher than treatments Ⅰ and Ⅲ.The bolls No.per plant in treatment Ⅳ was the highest in Ji 863,and then was treatment Ⅱ.The seed cotton yield in processing Ⅳ was the highest in Jimian 958.Which in treatments Ⅱ and Ⅳ were significantly higher than treatments Ⅰ and Ⅲ in Shikang 126.And the yields in treatments Ⅱ and Ⅳ were higher than treatment Ⅲ in Ji 863,and which in treatment Ⅲ was higher than treatment Ⅰ,but there was no significant difference.It was recommended that the suitable planting spacingn of three cotton varieties should be 75 cm and (100+50) cm row spacing.
作者
周永萍
张海娜
师树新
燕建召
孙辉
田海燕
崔瑞敏
ZHOU Yongping;ZHANG Haina;SHI Shuxin;YAN Jianzhao;SUN Hui;TIAN Haiyan;CUI Ruimin(Institute of Cotton,Hebei Academy of Agriculture and Forestry Sciences,Key Laboratory ofBiology and Genetic Improvement of Cotton in Huanghuaihai Semiarid Area,Shijiazhuang 050051,China)
出处
《华北农学报》
CSCD
北大核心
2018年第A01期154-159,共6页
Acta Agriculturae Boreali-Sinica
基金
河北省农林科学院创新工程项目
河北省农林科学院成果转化示范基地建设项目.
关键词
合理密植
株行距配置
农艺性状
结铃性
产量
纤维品质
Reasonable density planting
Plant spacing
Agronomic traits
Boll-setting
Yield
Fiber quality
