曉琦 asked in 科學及數學生物學 · 9 years ago

Reproduction in flower plants

1.我知道plant reproduction有分asexual reproduction同sexual reproduction,咁但2個過程係點/___\(5該用中文答我:)

2.vegetative propagation可以done artificially, 當中有個方法係'cutting'(但cutting的過程右係咩??((5該用中文答我:)

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  • 9 years ago
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    1. sexual reproduction:通常是雄蕊透過風, 昆蟲等的方法將花粉送到雌蕊的柱頭,如果是同一品種雌蕊就會於出一些糖液作訊號,花粉就會生出花粉管到子房,雄配子會經花粉管去到子房與雌配子結合.

    asexual reproduction: 只要植物有營養器 e.g薯仔,並且在營養器上有芽, 然後只要此營養器放在泥土, 有水,空氣,和合適温度下就會生長. 當生長到某程度, 植物有淨得食物,食物就會儲在新營養器.

    2. cutting 好簡單,只要 cut 葉和支幹,然後於落泥土種就可以.

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