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首页> 外文期刊>Environmental Pollution >Assessing the impact of ambient ozone on growth and yield of a rice (Oryza sativa L.) and a wheat (Triticum aestivum L.) cultivar grown in the Yangtze Delta, China, using three rates of application of ethylenediurea (EDU)
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Assessing the impact of ambient ozone on growth and yield of a rice (Oryza sativa L.) and a wheat (Triticum aestivum L.) cultivar grown in the Yangtze Delta, China, using three rates of application of ethylenediurea (EDU)

机译：使用三种乙二脲（EDU）施用率评估环境臭氧对在中国长江三角洲种植的水稻（Oryza sativa L.）和小麦（Triticum aestivum L.）品种生长和产量的影响

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摘要

Foliar applications of ethylenediurea (abbreviated as EDU) were made at 0, 150, 300 or 450 ppm to field-grown rice and wheat in the Yangtze Delta in China. Rice and wheat responded differently to ambient ozone and EDU applications. For wheat, some growth characteristics, such as yield, seed number per plant, seed set rate and harvest index, increased significantly at 300 ppm EDU treatment, while for rice no parameters measured were statistically different regarding EDU application. The reason may be that the wheat cultivar used may be more sensitive to ozone than the rice cultivar. EDU was effective in demonstrating ozone effects on the wheat cultivar, but not on the rice cultivar. Cultivar sensitivity might be an important consideration when assessing the effects of ambient ozone on plants.
机译：乙二脲（缩写为EDU）的叶面施用量为0、150、300或450 ppm，用于中国长江三角洲的田间水稻和小麦。稻米和小麦对环境臭氧和EDU施用的反应不同。对于小麦，一些生长特征，如产量，单株种子数，结实率和收获指数，在300 ppm EDU处理下显着增加，而对于水稻，测得的参数在EDU施用方面无统计学差异。原因可能是所用的小麦品种比水稻品种对臭氧更敏感。 EDU有效地证明了臭氧对小麦品种的影响，但对水稻品种却没有。在评估环境臭氧对植物的影响时，品种敏感性可能是重要的考虑因素。

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