大豆抗旱性的鉴定方法

本试验在甘肃省张掖地区自然水分和人工灌溉条件下进行的。根据1987—1988年两年结果,按大豆叶片萎蔫值与大豆株高、单株荚数、单株粒数、单株产量的干旱指数值的累加值,把辽宁省902份大豆品种划为5个不同的抗旱级别。实践证明上述方法简单易行,可靠性高。

IDENTIFICATION METHOD FOR DROUGHT RESISTANCE OF SOYBEAN

The experiments were conducted in 1987-1988, in Zhangye Cansu Province to study the identification method and drought resistance of soybean varieties 902 soybean varieties of Liaoning Province were divided into five different grades of drought resistance on basis of the cumulative values of leaf wither ing values and drought indexes of plant height, the number of pods and seed and yield per plant of soybean. Practice had proved that the above methods are simple and easy and have high reliability.