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渍害是南方麦区较普遍的自然灾害。国内对小麦渍害的研究较多，但在小麦受渍害后对其生态和生理的影响与渍害临界指标的定量研究却较少。从小麦在渍水条件下的根系的适应性、忍耐力，以及对产量的影响方面着手，研究和探讨了小麦受渍害致死的临界指标，从而为科学排水提供了依据。
Waterlogging is the more common natural disaster in the southern wheat area. There are a lot of domestic research on the wheat injury, but the ecological and physiological effects and the quantitative research of the critical index of the wheat injury after being damaged by the wheat are few. The adaptability, endurance and root yield of wheat under waterlogging condition were studied and discussed. The critical index of wheat lethal to waterlogging was studied and discussed, which provided the basis for scientific drainage.