GONG Rui-juan,ZHANG Jia-jun,HAN Peng,et al.Effect of Exogenous Application γ-aminobutyric Acid Time on Nitrate Content and Quality of Lettuce[J].Northern Horticulture,2012,36(01):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
- Title:
- Effect of Exogenous Application γ-aminobutyric Acid Time on Nitrate Content and Quality of Lettuce
- 文章编号:
- 1001-0009(2012)01-0015-03
- Keywords:
- γ-aminobutyric acid; lettuce; nitrate; quality
- 分类号:
- S 626.06+.2
- 文献标志码:
- A
- 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3~12 d的生菜生长量和营养品质均有所提高，但是在培养6 d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、12 d处理，培养3 d效果最差。
- Abstract:
- 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.
参考文献/References:
[1]高洪波,李敬蕊,章铁军,等.甘氨酸和谷氨酸与钼配施对生菜品质的影响[J].西北植物学报,2010,30(5):0968-0973.
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备注/Memo
第一作者简介：弓瑞娟(1986-)，女，河北石家庄人，在读硕士，研究方向为蔬菜质量安全与营养。E-mail：gongruijuan86@126.com。