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常见瓜菜不同生育期对SO_2敏感性研究

作  者:
刘清丽
单  位:
辽宁农业职业技术学院
关键词:
SO_2;敏感性;伤害程度
摘  要:
以10种常见瓜菜为研究对象,研究它们的不同生育时期对二氧化硫(SO_2)的敏感性。结果表明:(1)10种瓜菜不同生育时期对SO_2的敏感性不同,对SO_2的抗性子叶期大于真叶期,2片真叶期和4片真叶期对SO_2的抗性差异不显著。(2)SO_2对瓜菜不同叶龄叶片的伤害程度明显不同,在受害程度严重的叶片中,中龄叶所占比例最大,其次是老龄叶,刚长出尚未完全伸展的嫩叶所占比例最小,对SO_2抗性最强。
译  名:
Study on Acute Injury Symptom to SO_2 of Plants
作  者:
LIU Qing-li;
关键词:
SO_2;;sensitivity;;injury degree
摘  要:
The paper studied the sensitivity of various plant growth period to SO_2 with ten kinds of important melon and vegetables.The result indicated:(1)The sensitivity to SO_2 differs in various plant growth period.The resistant ability to SO_2in cotyledon period is longer than real leaves period.The abilities of two real leaves and four real leaves haven't clearly difference.(2)The injury degree of SO_2 on leaves degree differs obviously in diverse mature.In the heaviest injury degree leaves,mid-mature leaves are main,the second are mature leaves,the fresh leaves coming out in a short while and not extending completely are the least and have strong resistant ability to SO_2.

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