THE INDUCTION OF SECONDARY SEED DORMANCY BY OXYGEN DEFICIENCY IN A BARNYARD GRASS ECHINOCHLOA-CRUS-GALLI

被引：17

作者：

HONEK, A

MARTINKOVA, Z

机构：

[1] Research Institute of Plant Production, Praha 6, 161 06

来源：

EXPERIENTIA | 1992年 / 48卷 / 09期

关键词：

BARNYARD GRASS; ECHINOCHLOA-CRUS-GALLI; OXYGEN DEFICIENCY; SEED DORMANCY; SOIL SEED BANK; STRATIFICATION; TEMPERATURE;

D O I：

10.1007/BF02118432

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

At 25-degrees-C, secondary dormancy was induced in seeds of E. crus-galli exposed for 100 days to oxygen deficiency. By contrast, hypoxia did not induce dormancy at 15-degrees-C or prevent dormancy termination at 7-degrees-C. Secondary dormancy was terminated after 2 months stratification at 7-degrees-C. Oxygen deficiency may increase the proportion of dormant seeds in the soil, and affect the dynamics of the barnyard-grass soil seed bank.

引用

页码：904 / 906

页数：3

共 12 条

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