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And the situation that the water unbalance in plant caused by soil water stress nimiety or high atmosphere humidity could seriously influence the plant growth、output and quality, is named as waterlogging.
而因土壤水分过多或过高的大气湿度引起植物体内水分失衡,进而严重影响植物生长发育、产量及产品品质的情况,称为水涝或涝害。
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Soybean is sensitive to flooding and waterlogging stress, especially at early seedling stage as well as flowering and podding stages; On the other hand, there existed great difference in the tolerance to flooding or waterlogging in soybean germplasm, so utilizing tolerant cultivars is one of the most effective ways to improve the soybean production under flooding and waterlogging stresses condition.
长江中下游地区常有梅雨天气,大豆苗期易形成涝害。在前人研究我国大豆资源耐淹性的基础上,本文进一步研究我国和亚洲其他国家大豆育成品种苗期耐淹性的遗传变异,发掘优异资源;对耐淹性进行关联定位,寻找优异等位变异及其载体材料,并追索在后代育成品种中的累积。
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The yield was sensitive to water supply during flowering and podding stage, in which the sensitivity was found podding stage ( R3 - R5 )〉 flowering stage (R 1 - R3 )〉 vegetative stage (V2 - R1 )〉 the contribution of water supply to the yield formation was more central than potassium fertilizer application in light of controlling soil water at the same growth stage.
大豆对水分较为敏感的时期是开花期和结荚期,各时期敏感程度表现为结荚期〉花期〉营养生长期;同一生育时期控水下水分对大豆产量的影响要高于钾肥;旱涝都将影响大豆籽粒产量的形成,但干旱引起的减产程度要大于涝害。
- 更多网络解释与涝害相关的网络解释 [注:此内容来源于网络,仅供参考]
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epinasty:偏上生长
在茎中与氧接触并被ACC氧化酶(ACCoxidase)转化成为乙烯,导致叶柄的偏上生长(epinasty),而叶片向下生长. 在一些种类(例如豌豆和番茄)中,涝害诱导气孔关闭,而叶的水势不发生变化. 根系缺氧像水分缺乏或者盐胁迫一样,促进ABA的产生;
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rain bruise spot:雨斑
35.涝害drowing315 | 36.雨斑rain bruise spot315 | 37.高温伤害high temperature injury315