|Table of Contents|

Effect of Exogenous Application γ-aminobutyric Acid Time on Nitrate Content and Quality of Lettuce(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年01期
Page:
15-17
Research Field:
Publishing date:

Info

Title:
Effect of Exogenous Application γ-aminobutyric Acid Time on Nitrate Content and Quality of Lettuce
Author(s):
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
Keywords:
γ-aminobutyric acid;  lettuce;  nitrate;  quality
PACS:
S 626.06+.2
DOI:
-
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.

References:

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Memo

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Last Update: 2014-08-22