pollen tube

英美

释义
用例
更多

- 花粉管
英英释义
Noun:

(botany) a slender tubular outgrowth from a pollen grain when deposited on the stigma for a flower; it penetrates the style and conveys the male gametes to the ovule
例句
临近单词

pollenin pollen pollen tube growth promoters Pollen-tube pathway method Pollen dyeability percentage Pollen with staminate flower Pollen germination percentage pollen-charcoal assemblages pollen and spores assemblages Pollen specific F-box genes Pollen tube pathway technique Pollen-tube-pathway method

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