冬小麦品种抗旱特征特性研究

Studies on Drought-resistant Feature and Specific Property of Winter Wheat Variety

对孕穗期６个类型２６个小麦品种的形态、生理研究表明，抗旱类型具有较高的株高，高的子粒产量，较高的生物学产量，高的穗粒数、成穗率，较庞大的耕层根系（０～５０ｃｍ），株型直立紧凑，叶片（尤其是旗叶）大而长，上半部下技或全披。在水分临界期，叶片具有较高的含水量。

This paper studies on form and Physiology of six types which consist of 26 wheat varieties during boot stage. The result shows that drought-resistant types have the features as follows: higher plant height, higher grain yield, higher biology yield, more grains in a tassel, high rate of forming tassel; massive topsoil roots (0￣ 50cm), straighten and tense plantly,big and long leaves (especially flag leaf),the top half of plant hanging down loosely.The leaves has high containing water during water critical period.