]*>","")" /> Primary Analysis on the Cause of Leaf of Confectionery Sunflower turning Brown and Withered
Xinjiang Agricultural Sciences

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Primary Analysis on the Cause of Leaf of Confectionery Sunflower turning Brown and Withered

WEI liang-min;CHAO Jun;LI Xiao-lei   

  • Received:2006-06-25 Revised:2006-06-25 Online:2006-06-25 Published:2006-06-25

有效微量元素缺乏导致食葵叶片枯褐原因初步分析

魏良民;赵军;李晓雷   

  1. 新疆康地农业科技发展有限责任公司,新疆乌鲁木齐,830011





摘要： 对微量元素缺乏导致食葵叶片失绿、褐化、干枯进行了初步试验分析研究.结果表明,在发生枯褐的食葵叶片中硼、铁、锰、镁等微量元素的含量比正常绿叶还高,但其中真正有效的微量元素并不足,因作物根层土壤pH值高,虽然食葵体内铁等微量元素的总含量并不低,但可参与正常生理活动的缺乏,造成食葵体内叶绿素正常生理代谢活动受阻,因而叶片失绿发黄、枯褐.