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当前位置: 首页 > 文章 > 不同铵硝比对3种野菜生长和安全及营养品质的影响 湖南农业大学学报(自然科学版) 2011,37 (4) 450-455
Position: Home > Articles > Effect of different nitrogen forms on the growth and quality of different potherbs Journal of Hunan Agricultural University(Natural Sciences) 2011,37 (4) 450-455

不同铵硝比对3种野菜生长和安全及营养品质的影响

作  者：
梁雄;彭克勤;杨毅
单  位：
植物激素与生长发育湖南省重点实验室
关键词：
富贵菜;人参菜;紫背菜;配比;氮素形态;生物量;安全性;营养品质
摘  要：
采用水培试验,研究了在等氮(12 mmol/L)条件下不同铵硝比对富贵菜、人参菜、紫背菜3种野菜的生长、安全和品质的影响。结果表明:①随着铵态氮的降低,3种野菜地上部鲜重呈逐渐增加的趋势。富贵菜、人参菜在铵硝比为25∶75时鲜重达最大值,紫背菜在铵硝比为0∶100时鲜重达最大值,人参菜、紫背菜在铵硝比为25∶75时干重达最大值,富贵菜在铵硝比为0∶100时干重达最大值。②不同铵硝比显著影响野菜茎叶中硝酸盐的含量。随着铵态氮的降低,3种野菜茎叶中的硝酸盐、亚硝酸盐含量逐渐增加,适当增施铵态氮有利于降低野菜中硝酸盐、亚硝酸盐的含量。③3种野菜在铵硝比75∶25和50∶50两种处理下,V-C、可溶性糖、可溶性蛋白质含量均处于较高水平。
译  名：
Effect of different nitrogen forms on the growth and quality of different potherbs
作  者：
LIANG Xiong,PENG Ke-qin,YANG Yi(Hunan Province's Key Laboratory of Plant Hormones and Growth,Changsha 410128,China)
关键词：
Gynuradivaricata(L.) DC.;Talinum paniculatum(Jacq.) Gaert.;Gynurabicolor(ROXB.)DC.;mixture ratio;nitrogen forms;biomass;security;nutritional quality
摘  要：
Effects of different nitrogen forms on the growth and quality of the three potherbs including Gynuradivaricata(L.) DC.,Talinum paniculatum(Jacq.) Gaert.and Gynurabicolor(ROXB.)DC was studied under solution culture with optimal nitrogen concentration(12 mmol/L).The main results are as follows: ①The fresh weight of shoot of the three potherbs increases gradually with the decrease of the ratio of NH4+∶NO3-under the condition of optimal nitrogen concentration.When the ratio of NH4+∶NO3-is 25∶75,the maximum fresh weight is obtained for Gynuradivaricata and Talinum paniculatum,and the maximum fresh weight is obtained for Gynurabicolor when the ratio of NH4+∶NO3-is 0∶100.The maximum dry weight is obtained for Talinum paniculatum and Gynurabicolor when the the ratio of NH4+∶NO3-ratio is 25∶75,and the maximum dry weight is obtained for Gynuradivaricata when ratio of NH4+∶NO3-is 0∶100.②The contents of nitrate and nitrite of the three potherbs increase dramatically and the total amount of free amino acids decreases with the decrease of the ratio of NH4+∶NO3-.As a result,appropriate increase of ammonium application would benefit the decrease of the content of nitrate in potherbs.③The content of V–C,soluble sugar and soluble protein are in high level when the the ratio of NH4+∶NO3-is 75∶25 or 50∶50.

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