萌发

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

苔藓植物中直接由孢子萌发结构称为原丝体。

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

苗床需要最小翻耕，这样以保持杂草种子萌发到最低限度。

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萌发.

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

在萌发期，接合孢子经历减数分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萌发、假根和原叶体生长发育影响。

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，弱小种诱导接种以降低挑战接种菌系孢子萌发率、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.

并对减数分这一遗传现象进行了重新认识，提出紫菜减数分发生在壳孢子至壳孢子萌发第一次细胞分时期。

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).

突然之间他萌发了一个念头：既然他和费尔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萌发试验及对水芹种子进行多种处理试验，结果表明：水芹种子发芽率低，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萌发，随后在播种前浅耕将其杀灭。