烯效唑干拌种对小麦叶片衰老特性的影响  

The Effects of Uniconazole Waterless Dressing Seeds on Leaf Senescence of Wheat

作　　者：樊高琼[1] 刘帆[1] 任万军[1] 杨文钰[1] 

机构地区：[1]四川农业大学农学院,四川雅安625014

出　　处：《四川农业大学学报》2007年第1期9-13,共5页Journal of Sichuan Agricultural University

基　　金：四川省攻关项目"盆周山区农业可持续发展技术研究与示范"(04NG020-017);突破性作物新品种高产高效栽培技术研究(2006YZGG-28);四川农业大学青年科技创新基金。

摘　　要：以小麦品种川麦30、川麦107为材料,探讨不同剂量(0、10、20、40 mg/kg)烯效唑干拌种对三叶、七叶、旗叶叶片衰老特性的影响,结果表明,烯效唑干拌种提高了不同叶序叶片衰老期间的叶绿素含量、叶绿素a/b比值、全氮含量及可溶性蛋白质含量,降低了MDA积累量及积累速率,叶片衰老期间叶绿素、可溶性蛋白质含量下降速率减慢,在衰老后期烯效唑处理较对照叶片具有较高水平的氮含量,叶片衰老进程得以延缓。This paper studied the effects of uniconazole waterless dressing seeds with four concentrations （0, 10, 20, 40 mg/kg） on leaf senescence characters of wheat （c. v. Chuanmai 30 and Chuanmai 107）. The results showed as flows： Uniconazole treatments increased the chlorophyll, N, soluble protein contents and chlorophyll a/b ratio in the leaves during leaf senescence, but the MDA content and accumulation rate were decreased. The N content in leaves for uniconazole treatments was higher than that of control in senescence lateral period. All of these delayed leaf senescence.

关 键 词：小麦 烯效唑 干拌种 衰老 

分 类 号：S512.1[农业科学—作物学]