小麦分蘖的数量和质量是影响个体群体发展的重要因素。必须对分蘖规律作深入细致的研究,分析左右分蘖发展因素,从而运用管理措施,有效的促控分蘖,才能使小麦个体健壮、群体合理,达到高产。我们在1973～74年度对灌区栽培的矮丰四号、小偃四号、71(305)、阿勃、孟 The quantity and quality of wheat tillers is an important factor that affects the development of individuals. We must make a detailed and detailed study on the law of tillering and analyze the developmental factors of tillering, so as to apply the management measures and effectively promote the tillering, we can make the individual of wheat be robust, the population reasonable, and reach the high yield. We cultivated in the irrigation area in 1973-74 Aphrodisia four, Xiaoyan four, 71 (305), Abercrombie and Fitch, Bangladesh