Only a few forest tree species can develop viable seed from unpollinated ovules.

只有少数林木可以从未授粉的胚珠发育成有活力的种子.

辞典例句

Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos.

许多林木树种都有颈卵器, 受精以后便产生许多原胚.

辞典例句

Proteomics is becoming an important content in the biology of forest tree.

蛋白质组学是林木生物学的重要内容.

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North American forest tree with light green leaves and edible nuts.

北美的一种森林乔木,淡绿色叶,坚果可食.

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New Zealand forest tree.

新西兰的一种森林树种.

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This is a review on forest tree genomics.

摘要林木基因组学研究进展迅速.

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Forest tree seed testing.

林木种子检验.

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Is the create a shelter, fast growing forest tree species of choice for high - tech .

是国内营造防护林 、 速生丰产林首选的 高新技术 树种.

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Paulownia produces our country formerly, it is important commercial forest tree is planted one of.

泡桐原产我国, 是重要的用材林树种之一.

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