Dormancy in seeds of xanthium is due to
Seed coat imperable to water
Seed coat imperable to gases
Need for after ripening period
Mechanically resistant seed coat
Additional Questions
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The seed which possess the ability to germinate in suitable favourable condition is called |
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The condition of viable seed when seeds do not germinate even in presence of favourable environmental condition is called |
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Softening or rupturing of hard seed coat for breaking dormancy is called |
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The chemical substances like phenolics, caumarins, ferulic acid are |
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Importance of day length in flowering of plants was first shown in: |
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The seeds which can not germinate in absence of light is called |
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The seeds which can not germinate in absence of light is called |
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Germination inhibitors leached out by one plant may inhibit germination of seeds of other plants is called as |
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The ripening harmone is |
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Which one of the following acids is a derivative of carotenoids? |
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