萌发

Protonema (pl. protonemata) The young bryophyte gametophyte that develops following spore germination.

苔藓植物中直接由孢子形成结构称为原丝体。

For larger sites, seed can be applied with a drill seeder or hydroseeder.

苗床需要最小翻耕，这样可以保持杂草种子到最低限度。

The result showed that exogenous GA3 promoted the seed germination of Salicornia Bigelovii Torr under salt stress.

外源GA3促进了盐胁迫条件下北美海蓬子种子.

On germination, the zygospore undergoes meiosis to produce haploid cells that give rise to a new thallus.

在期，接合孢子经历减数分裂形成单倍体细胞再产生新植物体。

The effects of different concentrations of arsenic on spore germination and rhizoid and prothallium growth of Pteris vittata under aseptic condition were studied.

研究无菌条件下同浓度砷对蜈蚣草孢子、假根和原叶体生长育影响。

Results showed that germination percentage of urediospore, uredium number and sporulation of challenge inoculation race were reduced after inoculation with weak virulent race.

试验结果表明，弱小种诱导接种可以降低挑战接种菌系孢子率、孢子堆数量、产孢量。

It is speculated that meiosis occurs during the time period from these formation of the conchospore to the first cell division of it.

并对减数分裂这一遗传现象进行了重新认识，提出紫菜减数分裂可能生在壳孢子形成至壳孢子第一次细胞分裂时期。

That means no more expensive day care for their sons at the exclusive Chapman Academy, run by the harsh taskmistress Miss Gwyneth Harridan (Anjelica Huston).

突然之间他了一个念头：既然他和费尔可以很好照顾自己孩子，那么再添几个孩子也无所谓吧！

Treatments had been carried out for germination of water dropwort, The results indicated that water dropwort seeds have a low germination percentage and dormancy characteristic.

摘要通过对水芹种子试验及对水芹种子进行多种处理试验，结果表明：水芹种子芽率低，存在着休眠。

A control program might involve early preplant tillage to encourage germination of the weed seeds, followed by shallow tillage prior to planting to kill the emerged weeds.

这样，在耕地前想办法促使杂草，随后在播种前浅耕将其杀灭。