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会单4号属中早熟品种,半紧凑型。在大田生产中具有高产、稳产、抗逆性强、适应性广等特点,株高220～250cm,穗长16～19cm,穗粗5cm,千粒重320～380g,籽粒金黄色,半马齿型,品质好,全生育期126d,大田推广一般产量6750～7500kg/hm2,高产栽培可达1.05万/hm2以上,深受生产者喜爱,种子需求量迅速增加。1选择适宜的制种基地1.1选地选隔离条件较好,土壤肥力和光照条件较好,雨水分布均匀,集中连片,保水保肥力强,农户生产水平高,交通方便的地为制种基地,地点为澜沧县东回乡细允村。
Will be No. 4 is a middle-aged varieties, semi-compact. In the field production with high yield, stable yield, strong resistance, wide adaptability and other characteristics of plant height 220 ~ 250cm, spike length 16 ~ 19cm, ear diameter 5cm, 1000 grain weight 320 ~ 380g, grain golden yellow, The quality is good, the whole growth period is 126 days, the general output in the field is 6750 ~ 7500kg / hm2, and the high-yielding cultivation can reach over 10,500 / hm2, which is deeply loved by the producers and the demand for seeds increases rapidly. 1 Select the appropriate seed production base 1.1 selected isolation conditions are better, better soil fertility and light conditions, uniform distribution of rainwater, concentrated contiguous, water and fertility and strong, farmers produce high level, convenient transportation for seed production base , The location for Lancang County, east back to fine village.