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当前位置: 首页 > 文章 > 外源γ-氨基丁酸处理时间对生菜硝酸盐含量和营养品质的影响 北方园艺 2012 (1) 15-17
Position: Home > Articles > Effect of Exogenous Application γ-aminobutyric Acid Time on Nitrate Content and Quality of Lettuce Northern Horticulture 2012 (1) 15-17

外源γ-氨基丁酸处理时间对生菜硝酸盐含量和营养品质的影响

作  者：
弓瑞娟;张佳俊;韩鹏;夏庆平;高洪波;张广华
单  位：
河北农业大学园艺学院;河北省农业技术推广总站
关键词：
GABA;生菜;营养品质;硝酸盐
摘  要：
以美国大速不结球生菜为材料,采用水培法研究了外源γ-氨基丁酸(GABA)不同处理时间对植株生长和营养品质的影响。结果表明:营养液外源添加GABA可提高生菜产量和品质,但存在时间效应。营养液内添加GABA培养3～12d的生菜生长量和营养品质均有所提高,但是在培养6d时生菜地上部鲜重、硝酸还原酶活性以及氨基酸、蛋白质含量最高,而硝酸盐含量最低,其次为培养9、12d处理,培养3d效果最差。
译  名：
Effect of Exogenous Application γ-aminobutyric Acid Time on Nitrate Content and Quality of Lettuce
作  者：
GONG Rui-juan1,ZHANG Jia-jun1,HAN Peng2,XIA Qing-ping1,GAO Hong-bo1,ZHANG Guang-hua1(1.College of Horticulture,Agricultural University of Hebei,Baoding,Hebei 071000;2.Agricultural Technology Extension Station of Hebei,Shijiazhuang,Hebei 050000)
关键词：
γ-aminobutyric acid;lettuce;nitrate;quality
摘  要：
A hydroponics experiment was conducted to investigate the effect of exogenous application γ-aminobutyric acid(GABA) time on nitrate content and quality improvement in non-heading lettuce variety 'Dasu'.The results showed that application exogenous GABA could increase yield and quality of lettuce,but there existed time effects,the growth and quality of lettuce were all increased under the nutrient solution applying GABA 3-12 days.And the fresh weight,activity of nitrate reductase and contents of amino acid and protein were all highest at applying GABA 6 days,but the nitrate content in leaves were the lowest.While the effects of treatment 9 days and 12 days were lower than that of 6 days,and the effect of 3 days was the lowest.

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