YIN Ming-hua.Effects of Temperature Difference Between Day and Night on the Growth,Physiological and Biochemical Indexes of Colocasia esculenta L.Schott var.cormosus CV.Hongyayu in Qianshan Jiangxi[J].Northern Horticulture,2013,37(17):35-37.
昼夜温差对江西铅山红芽芋试管苗生长发育和生理生化指标的影响
- Title:
- Effects of Temperature Difference Between Day and Night on the Growth,Physiological and Biochemical Indexes of Colocasia esculenta L.Schott var.cormosus CV.Hongyayu in Qianshan Jiangxi
- 文章编号:
- 1001-0009(2013)17-0035-03
- Keywords:
- Colocasia esculenta L.Schott var.cormosus CV.Hongyayu in Qianshan Jiangxi; temperature difference between day and night; plantlet; growth; physiological and biochemical indexes
- 分类号:
- S 503. 53
- 文献标志码:
- B
- 摘要:
- 以江西铅山红芽芋试管苗为试材，研究了不同昼夜温差对江西铅山红芽芋试管苗生长发育和生理生化指标的影响。结果表明：随着昼夜温差增加，江西铅山红芽芋试管苗的株高和新生根长显著降低，而新生芽数和新生根数无显著变化；同时，随着昼夜温差增加，江西铅山红芽芋试管苗总叶绿素含量、可溶性总糖含量和可溶性蛋白质含量显著增加，质膜透性和丙二醛含量显著下降，根系活力则表现出先下降后增加再下降的趋势。
- Abstract:
- Taking Colocasia esculenta L.Schott var.cormosus CV.Hongyayu in Yanshan Jiangxi as material,the effect of different temperature difference between day and night on the growth and development and physiological and biochemical indexes were studied.The results showed that with the increase of temperature difference between day and night,the plantlet height and root length of Colocasia esculenta L.Schott var.cormosus CV.Hongyayu in Yanshan Jiangxi decreased significantly and the new bud number and new root number did not change significantly;at the same time,with the increase of temperature difference between day and night,the total chlorophyll content,total soluble sugar content and soluble protein content of Colocasia esculenta L.Schott var.cormosus CV.Hongyayu in Yanshan Jiangxi plantlets increased significantly,membrane permeability and MDA content decreased significantly,root activity showed a trend of first decreased and then increased and then decreased.
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备注/Memo
作者简介：尹明华（1973-），女，硕士，副教授，研究方向为植物生物技术。E-mail：yinminghua04@163.com.
基金项目：江西省科技厅2012年农业科技支撑计划资助项目（20122BBF60126）。
收稿日期：2013-04-09