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据多年调查和试验研究,我们认为玛纳斯河流域一带冬麦越冬期间大量死亡,主要是降雪少,积雪不稳定,分蘖节处于某一临界温度之下造成的。为此,我们采用冬季控制雪层的方法,使麦苗分药节(地中3厘米)经受不同的低温,然后在不同时间取样返青检查,鉴定北疆地区10个冬小麦主栽品种的冻害指标,以便为生产上采用有效防冻措施提供依据。鉴定结果见下表。
According to years of investigation and experimental studies, we believe that winter wheat in the Manas River Valley died during winter, mainly due to less snowfall, unstable snow cover and tiller nodes below a certain critical temperature. To this end, we use the method of winter control of the snow layer, so that the wheat seedlings section (3 cm in the ground) to withstand different low temperatures, and then sampled at different times to check the green to identify the main cold-injury indicators of 10 winter wheat cultivars in northern Xinjiang, In order to provide a basis for effective antifreeze measures in production. Identification results in the table below.