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当前,小麦已开始返青,标志着小麦生产进入了春季管理的关键时期。绝大部分小麦品种在返青期始发春季分蘖,到起身拔节期小麦分蘖发生两极分化,大分蘖能成穗结实,小分蘖逐渐死亡;从拔节孕穗期以后,小麦生长发育加速,一气呵成,成产“三要素”穗数、粒数和粒重逐步定型。因此,小麦春季及中后期管理是促弱转壮、控旺稳长、协调发育、形成产量的重要环节。去年小麦备播以来,各地农业部门、种子企业和农户朋友在小麦生产上采取了多项措施,如:推广优
At present, wheat has started to turn green, marking a crucial period for spring wheat management. Most of the wheat cultivars developed tillering in the spring rejuvenation period, and tillering occurred at the jointing stage of the wheat varieties. The tillering of the tiller was polarized and the tillering ability of large tillers was gradually reduced. After tillering booting stage, the growth and development of wheat accelerated, “Three elements ” Spike number, grain number and weight gradually shape. Therefore, the management of wheat in the spring and in the middle and late stages is an important part of promoting weakening, stabilizing, stabilizing and coordinating growth and forming a yield. Since the preparation of wheat last year, various agricultural departments, seed enterprises and friends of farmers have taken various measures in wheat production,