播种形式对冀中南太行山山前平原区冬小麦群体结构及产量的影响

Effects of Sowing Forms on Population Structure and Yield of Winter Wheat in the Piedmont Plain of Taihang Mountain in the Middle and South of Hebei Province

为了研究不同播种形式对小麦生育性状、群体结构及产量的影响,2013~2015年在冀中南太行山山前平原小麦-玉米一年两熟区的赵县和辛集,以婴泊700为试材,设15 cm等行距、7.5 cm等行距、全匀播、45 cm匀播+20 cm宽行4个播种形式处理,在相同播量条件下研究了不同播种形式对小麦群个体结构和产量的影响。结果表明:2个试点均以15 cm等行距播种形式最有利于小麦群个体的生长发育以及产量构成三要素的优化,小麦产量最高。当前冀中南山前平原区冬小麦理想的播种形式是15 cm等行距种植。

In order to study the effect of different sowing forms on the growth characteristics,population structure and yield of wheat,the tests were carried out in Zhaoxian and Xinji of Taihang Mountain piedmont plain in the middle and south of Hebei Province with cropping wheat and maize one year from 2013 to 2015,taking Yingpo 700 as the material,and four sowing forms of 15 cm equal row spacing,7.5 cm equal row spacing,full uniform sowing,and 45 cm uniform sowing+20 row spacing were set.The effects of different sowing forms on the population and individual structure of wheat were studied under the same sowing amount.The results showed that sowing with 15 cm equal row spacing was beneficial to the growth and development of wheat population,the optimization of three factors of yield components,and the yield of wheat was the highest.At present,the ideal sowing form of winter wheat in the piedmont plain the middle and south of Hebei Province is 15 cm equidistant planting.