研究冬小麦的分蘖特性,掌握其成穗规律,可以人为地干预分蘖的生长,从而提高单株生产力和群体产量.1980—1983年,我们对昌吉州的几个主栽品种新冬2号、新冬7号及八农7416的分蘖特性进行了观察.其中,新冬2号1980和1982年于9月20日播种,1981年分4期播种(9月5日、9月20日,10月5日和临冬播),均在亩产500斤左右的土壤肥力下种植,人工点播,每米50粒,生长期不追肥;新冬7号、八农7416只1983年观察一年,均9月20日播种,在亩产300 Study on the tillering characteristics of winter wheat and master its law of ear formation can artificially interfere with the growth of tillers, thereby improving the productivity and population yield per plant. From 1980 to 1983, Winter 7 and eight-farming 7416. Among them, Xin Dong 2 was sown on September 20, 1980 and 1982 and sown in 4 in 1981 (September 5, September 20, October 5 days and winter planting) were planted in soil fertility of about 500 kg per mu, artificial on-demand, 50 grains per meter, no growth during the growing season; Xin Dong 7, Ba Nong 7416 in 1983 observed a year, both Sowed on September 20, 300 per mu