›› 2010, Vol. 22 ›› Issue (6): 764-768.

• 论文 • 上一篇    下一篇

低氧胁迫下西瓜接穗与葫芦砧木形态及生理特性变化

方丽,任海英,茹水江,王汉荣*   

  1. 浙江省农业科学院 植物保护与微生物研究所,浙江 杭州 310021
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-11-25 发布日期:2010-11-25

Effect of hypoxia stress on morphological and physiological characters in watermelon and gourd rootstock

FANG Li;REN Hai-ying;RU Shui-jiang;WANG Han-rong*   

  1. Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2010-11-25 Published:2010-11-25

摘要: 采用水培法,研究低氧胁迫对西瓜和葫芦砧木抗氧化酶及代谢物的影响。结果表明:低氧胁迫下,西瓜和葫芦砧木根系活力显著下降,两者的乙醇脱氢酶(ADH)、超氧化物歧化酶(SOD)、抗坏血酸过氧化物酶(APX)活性和脯氨酸(Pro)含量先升高后下降,葫芦砧木的酶活性变化幅度大于西瓜,丙二醛(MDA)含量高于西瓜,并且随着处理时间的增加而上升。过氧化氢酶(CAT)活性不受低氧胁迫影响。

关键词: 西瓜接穗, 葫芦砧木, 低氧胁迫, 生理特性

Abstract: The gourd rootstock and watermelon were planted hydroponically to investigate the effect of anaerobic environment on antioxidant enzymes and metabolites. The results indicated that root activity of gourd rootstock and watermelon both decreased under hypoxia stress, and activities of ADH, SOD, APX, proline content firstly increased and then decreased. The variation range of antioxidant enzymes in gourd rootstock was greater than in watermelon. Moreover, gourd rootstock contained higher content of MDA than watermelon during treatment time. But anaerobic environment could not affect the activity of CAT in rootstock and watermelon.

Key words: watermelon, gourd rootstock, hypoxia stress, physiological characters