栽培大麦冬春性判定的综合顺序分类法

以田间不同播期试验的20个大麦品种为材料,对其低温处理天数、苗期生长习性和主茎叶片脉数变化 规律进行了分析。结果表明:随着品种春性的减弱而冬性的增强,苗期生长习性由直立向匍匐变化,低温处理 天数逐渐延长,主茎倒5叶与倒3叶的叶脉差逐渐减小。据此,提出依据苗期生长习性-低温-叶脉差进行 栽培大麦冬春性判定的综合顺序分类法,并用三角图揭示了三者之间的相互关系,经过多年数十个品种的田 间试验与分析,本分类系统具有较高的准确性。

Classified method of comprehensived order of cultivated barley

In the experiments of different sown date for 20 baley breeds , we had analysed into the law of handled days of low temperature, growed characteristics of seedling and leaves blades of the main stem for baley . The results show that the character of erect stem had abated and the character of stolon stem, handled days of low temperature gradually increased, the number of veins on the leaf blades from backward fifth to third leaf of the main stem, from the type of baley varieties increase by a big margin than thire leaf as the continuous graduatonal range for many grade of ecotype, the character of springness had abated and the character of winterness had strengthened gradually, in wich the authors had advanced that the Classified method of comprehensived order of character of springness and winterness for cultivated barley according to growed character-low temperature-balances of veins and triangle figure and this results of study had more accurately according to the experiments of different years.