DUAN Guo-feng,LI Li-juan,GUO Chun-rong,et al.Effect of Hypergravity on Chlorophyll Content and NaCl Stress on Germination Rate of Chinese Cabbage[J].Northern Horticulture,2015,39(01):5-8.[doi:10.11937/bfyy.201501002]
超重力处理对大白菜叶绿素含量及NaCl胁迫处理对种子发芽率的影响
- Title:
- Effect of Hypergravity on Chlorophyll Content and NaCl Stress on Germination Rate of Chinese Cabbage
- Keywords:
- Keywords:Chinese cabbage FONT-SIZE: 10pt">Keywords:Chinese cabbage ' target="_blank" rel="external"> FONT-SIZE: 10pt">; germination rate FONT-SIZE: 10pt">germination rate ' target="_blank" rel="external"> FONT-SIZE: 10pt">; chlorophyll FONT-SIZE: 10pt">chlorophyll ' target="_blank" rel="external"> FONT-SIZE: 10pt">; hypergravity FONT-SIZE: 10pt">hypergravity ' target="_blank" rel="external"> FONT-SIZE: 10pt">; salt stress' target="_blank" rel="external"> FONT-SIZE: 10pt">salt stress
- 文献标志码:
- A
- 摘要:
- 摘 要：以“新丰抗90”白菜种子为试验材料，在1 000×g、2 000×g、4 000×g 3种不同超重力的条件下，以未做离心处理的种子为对照，分别处理20、40、60 min后，一部分种子种于苗盘内于幼苗期测定其叶绿素含量；另一部分种子经过50、100、150 mmol/L 3个不同浓度的盐胁迫处理，以不进行任何胁迫处理的0 mmol/L为对照，分别测定其发芽率。结果表明：1 000×g超重力处理较其它超重力处理显著提高了白菜叶绿素含量和种子抗盐胁迫能力；较低的超重力处理对提高白菜叶绿素含量和种子抗盐胁迫能力有利，较高的超重力则表现为对白菜叶绿素含量和种子抗盐胁迫能力的抑制性。
- Abstract:
- Abstract:Taking ‘Xinfeng Kang 90’ Chinese cabbage seeds as test materials,three kinds of hypergravity conditions in 1 000×g,2 000×g,4 000×g were treated for 20 minutes,40 minutes,60 minutes,with no gravity treatment as control;the content of chlorophyll of part of the seed to seedling tray on seedling stage were determined；another part of the seed after 50 mmol/L, 100 mmol/L,150 mmol/L three different concentrations of salt stress were treated,with no salt stress as control,the germination rate were determined.The results showed that 1 000×g hypergravity treatment significantly increased the content of chlorophyll and cabbage seed salt stress resistance than other hypergravity treatments.Low hypergravity on Chinese cabbage seeds increased chlorophyll content and salt stress resistance,high hypergravity showed the inhibition ability on chlorophyll content of Chinese cabbage seeds and salt resistance.
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备注/Memo
第一作者简介：段国锋（1978-），男，博士研究生，研究方向为园艺作物遗传育种与采后生理。E-mail:dduanner@163.com.基金项目：山西省自然科学基金资助项目（20031067）。