需光种子 [
xū guāng zhǒng zi]
[植] light seed
- 种子萌发不需光。
No light needed for seed germination . - 不同光照条件下种子的最终发芽率均为60~80%,发芽指数也无显著差异,故种子并非典型的需光型种子;
Different light conditions are the ultimate germination of seeds 60 ~ 80%, germination index, so also no significant difference to light the seed is not typical of the seeds; - 休眠是因种子表皮有水和氧或因胚芽生成的脱落酸(阿伯西斯酸)的作用。想打断休眠可能需在低温(即春化处理)、有光或黑暗时才行。
Dormancy may be due to the water and oxygen presented by the seed coat or to abscisic acid produced by the embryo . breaking dormancy may require low temperature ( vernalization ), light or darkness.
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