INTERRELATED EFFECTS OF TEMPERATURE, LIGHT AND OXYGEN ON AMARANTHUS-CAUDATUS L SEED-GERMINATION

被引：27

作者：

GUTTERMAN, Y ^{[1
]}

CORBINEAU, F ^{[1
]}

COME, D ^{[1
]}

机构：

[1] UNIV PARIS 06, PHYSIOL VEGETALE APPL LAB, F-75252 PARIS 05, FRANCE

来源：

WEED RESEARCH | 1992年 / 32卷 / 02期

关键词：

D O I：

10.1111/j.1365-3180.1992.tb01868.x

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The aim of this study was to investigate the effects of temperature, light and oxygen on the germination of Amaranthus caudatus (var. viridis) seeds. At the highest temperature studied (35-degrees-C), seed germination was found to be most rapid and highest in both the dark and the light. Germination was inhibited by continuous white light. The lower the temperature, the greater the inhibitory effect of light. The farred and blue spectral regions were the most effective in light inhibition. The light effect was also dependent on the percentage of oxygen in the atmosphere around the seeds; it was less marked in O2-enriched atmospheres. Light/oxygen dependency resulted from the action of the seed coat and endosperm. Scarified seeds were much less sensitive to light and hypoxia than non-scarified seeds.

引用

页码：111 / 117

页数：7

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