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采用苗期反复干旱法、全生育期抗旱鉴定法,对20个在黑龙江省小麦生产上应用的新老品种抗旱性进行评价,以筛选出抗旱性强的小麦品系;同时按照小麦全生育期的抗旱性评价标准进行分类,以指导小麦生产上的品种布局。结果表明:抗旱性极强的品种为龙辐麦19号,抗旱性强的品种为克旱21号,抗旱性弱的品种为克丰3号、克丰9号、克07-1370、龙辐麦18号,其他品种抗旱性均为中等。克丰12号、龙麦33号、北麦4号虽然抗旱性中等,但是在自然降水较充足和水分充足的条件下产量都较高,说明这些品种为喜肥水材料,应用时应选择水肥条件好的地区,以便发挥其产量潜力。
The drought-resistance of 20 new and old varieties used in wheat production in Heilongjiang Province was evaluated by the method of drought resistance at seedling stage and drought resistance during the whole growth period to screen the wheat lines with strong drought-resistance. At the same time, Drought resistance evaluation criteria for classification, to guide the wheat production of the variety of layout. The results showed that the cultivars with strong drought resistance were Longfumai 19 and the drought-tolerant cultivars were Khan 21 and the cultivars with weak drought resistance were Kefeng 3, Kefeng 9, Ke 07-1370, Wheat 18, drought resistance of other varieties are medium. The yield of Kefeng 12, Longmai 33 and Beimai 4 was moderate, but the yield was high under the conditions of adequate natural rainfall and sufficient water, which indicated that these varieties were suitable for the fertilizer, and the application of water and fertilizer should be selected Good area in order to realize its yield potential.