主要作物新品种抗旱性鉴定指标的研究与应用

Research and Application of Drought-Resistant Identification Index of Major Crop Varieties

针对我国北方干旱缺水,水资源日趋匮乏的特点,研究了农作物高产品种抗旱性鉴定方法、评价指标,编制了我国第一个有关农作物品种抗旱性鉴定的地方标准,完善了农作物品种的育种程序。河北省在全国率先开展了小麦和玉米等农作物新品种在参加区域试验的同时进行抗旱性鉴定试验。抗旱指数成为我国小麦和旱稻等作物的抗旱性鉴定指标和标准。

In response to the less precipitation and the increasing shortage of water resources in North China, the identifying methods and the evaluating index for drought-resistant and high-yielding crop variety identification were discussed. The first relevant local standard about identification of drought-resistant crops in China was put forward to make the crop breeding procedures perfect. Hebei Province first developed the method in China that new crop varieties, especially in wheat and corn, attend drought-resistant tests while attending regional tests. Drought Resistant Index（DRI） has become the indicator and standard in drought-resistant identification of wheat and rice in the country.