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本试验旨在探讨早期(三叶期)评价作物抗旱性的简单实验室方法,要求这种方法同时能观察到根的水势和生长速度.用三个春小麦品种和两个春大麦品种进行试验.试验方法为:将作物种植在长80厘米,宽50厘米,高25厘米的营养盘内.营养盘壁的一侧下部有一孔,孔上接有软管,营养液可由水槽通过软管供应(见图1).盘内下部用粒径为20-30毫
The purpose of this study was to explore a simple laboratory method for assessing crop drought resistance in the early (three-leaf stage) period, which requires simultaneous observation of root water potential and growth rate using three spring wheat varieties and two spring barley varieties. The test method is that the crop is planted in a nutrition tray 80 cm long, 50 cm wide and 25 cm high with a hole in the lower part of one side of the wall of the nutrition tray, and a hose is connected to the hole and the nutrient solution can be supplied from the water tank through the hose See Figure 1). The lower part of the plate with a particle size of 20-30 milliliters