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SUGARCANE RIPENERS TRIALS WITH GLYPHOSATE AND GLYPHOSATE NUTRIENT COMPLEX UNDER DROUGHT CONDITION

文献类型： 会议论文

第一作者： YANG-RUI LI

作者： YANG-RUI LI 1 ; AGBLEZE K. MAWULI; YAN-KUN LIN; YAN-PING YE; LI-TAO YANG;

作者机构： 1.Guangxi Academy of Agricultural Sciences, Nanning, Guangxi 530007, China

关键词： Sugarcane (Saccharum officinarum L.);chemical ripener;glyphosate;nutrient;metabolism;sugar accumulation

会议名称： Sustainable sugarcane and sugar production technology:

主办单位：

页码： 564-569

摘要： Foliar spray with glyphosate, glyphosate plus KH_2PO_4, glyphosate plus H_3BO_3, and glyphosate plus KH_2PO_4 and H_3BO_3 was conducted respectively at the late growth stage of GT15, an intermediate cultivar of sugarcane (Saivharum officinaruw L.), under severe drought condition. The results showed that the treatment with sole glyphosate was unfavorable for both growth and sugar accumulation of sugarcane and the germination of next ratoon crop under the serious drought condition. Adding KH_2PO_4 and/or H_3BO_3 into glyphosate alleviated the inhibition of metabolism related to growth due to glyphosate, and the treatment of glyphosate plus H_3BO_3 was the best in the study. This treatment increased the activities of Mg~(2+)-ATPase and NADP-malic enzyme, and the contents of water and chlorophyll but decreased the activity of acid invertase in the leaves as compared with the treatment by sole glyphosate alone. It also showed higher activities of peroxidase, polyphenol oxidase and neutral invertase, andhigher contents of inorganic Pi and sucrose in the leaves as compared with the control and all treatments. As a result, it significantly increased the sucrose content in cane, improved the quality of cane while keeping the same yieid of cane, and promoted the sprouting of next ratoon crop as compared with the control.

分类号： F416.82

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[1]SUGARCANE RIPENERS TRIALS WITH GLYPHOSATE AND GLYPHOSATE NUTRIENT COMPLEX UNDER DROUGHT CONDITION. YANG-RUI LI,AGBLEZE K. MAWULI,YAN-KUN LIN,YAN-PING YE,LI-TAO YANG. 2004

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