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以华美甜168和华美糯7号为试验材料,盆栽条件下在苗期、拔节期和抽雄吐丝期进行淹水处理。结果表明,随着淹水历时的延长,两个鲜食玉米品种的形态特征、生理特性和产量变化的幅度增大。华美甜168以拔节期淹水减产最为严重;华美糯7号以抽雄吐丝期淹水影响最大。不同生育时期淹水后,鲜食玉米的株高降低,叶片数减少,光合作用受阻,致使产量下降,每穗行粒数的减少是鲜食玉米产量下降的主要因素。不同生育时期遭遇淹水胁迫,其
With Huameidan 168 and Huameiyou 7 as test materials, the seedlings were flooded under the condition of pot experiment, seedling stage and jointing stage. The results showed that with the prolongation of flooding duration, the morphological characteristics, physiological characteristics and yield of two varieties of fresh corn increased. China and the United States sweet 168 to jointing stage of flooding the most serious production and decrease; China and the United States waxy No. 7 to pull the male siliceous period flooding the greatest impact. After flooding at different stages of growth, the plant height of fresh maize decreased, the number of leaves decreased, photosynthesis was blocked, resulting in decreased yield. The reduction of grains per ear was the main factor for the decrease of fresh corn yield. Waterlogging in different stages of growth, its