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Ca^(2+)对离体培养的番茄花柄脱落的影响以及脱落过程中离区内钙形态的变化 被引量:3

Effect of Ca^(2+) on Abscission of Tomato (Lycopersicon esculentum Mill) Pedicle in vitro and Change of Calcium Form in Abscission Zone during Process of Abscission
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摘要 在自然条件下,Ca^(2+)对离体培养的番茄花柄脱落有抑制作用,而对经乙烯处理的则有显著的促进。无论是在自然还是乙烯条件下,未经任何处理的番茄花柄脱落过程中总钙与果胶酸钙含量下降,而水溶性钙含量升高,Ca^(2+)在不同程度上提高脱落过程中离区总钙、果胶酸钙和水溶性钙含量,尤其是在乙烯下的效果更显著,而经EGTA处理的则相反。 Ca^2+ suppressed abscission of tomato (Lycopersicon esculentum) pedicle in vitro under natural condition, on the contrary, it accelerated the process under ethylene condition. Under both conditions, total calcium and Ca-pectate contents increased and soluble Ca content decreased in abscission zone without Ca^2+ treatment. Ca^2+ increased total calcium, Ca-pectate and soluble Ca contents in varying degrees, especially under ethylene condition. However, the effect of EGTA was opposite to Ca^2+ under both conditions.
出处 《植物生理学通讯》 CSCD 北大核心 2007年第3期476-478,共3页 Plant Physiology Communications
基金 国家自然科学基金(30571265) 教育部博士点基金(20040157004) 沈阳农业大学青年教师科研基金(2005027)
关键词 番茄 花柄脱落 乙烯 tomato (Lycopersicon esculentum) abscission of pedicle calcium ethylene
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共引文献19

同被引文献26

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