孢子体是寄生在配子体上 的。
胚代表新孢子体世代的开始。
The embryo thus represents the beginning of the new sporophytic generation .
胚代表新孢子体世代的开始。
The embryo thus represents the beginning of the new sporophytic generation.
产生异常分离的原因可能与配子体或孢子体的选择有关。
The main reasons of distorted segregation ratios are responsible for the selection of gametes or sporophytes.
孢子体普遍大小为8～16列时是开始进行洗刷的最佳时期。
It's the best period to flush sporophytes when they reach 8-16 lie.
经孢子体积，DNA含量及营养类型测定证明角变和斑点为杂合二倍体。
Comparisons of conidial size and DNA content per conidia for 'hybrids' and parental strains indicated that the 'hybrids' were diploid.
在不加肥条件下，光照强度2000米烛的幼孢子体，发病率高于1000米烛；
In unfertilized condition, under light intensity of 2000 Lux, the morbidity was higher than that of 1000 Lux.
不同基质上中国蕨配子体和幼孢子体生长发育存在差异，尤其是心形原叶体的形态差别明显；
The gametophyte and infant sporophyte morphological development of S. grevilleoides represented very different features on different culture substrata.
凤尾蕨属植物孢子的形态稳定，种间差异明显，但孢子形态特征与孢子体的形态特征是不相关的。
The spore morphology of Pteris is stable, and the difference between species is distinct , but the features of spore and sporophyte are not related.
如果这种配子体能够产生可育的配子，那么形成的孢子体通常是四倍体，这样就可以得到大量的多倍体。
If such gametophytes produce fertile gametes, the resulting sporophyte is then tetraploid, and large polyploid series may subsequently be developed.
孢子体：为苔藓和地钱的孢子体世代具有。由受精卵发育而来，包括基足、柄和孢蒴。孢子体是寄生在配子体上的。
Sporogonium the sporophyte generation in mosses and liverworts. it develops from the zygote and comprises the foot, seta, and capsule. the sporogonium is parasitic on the gametophyte generation.
例如在雌雄异株物种中的雌性植物和雄性植物，气生的和被水浸没的叶片，生活史中的配子体与孢子体的交替，叶肉和维管束鞘叶绿体等。
Examples include male and female plants in dioecious species aerial and submerged leaves alternation of gametophyte and sporophyte stages of a life cycle and mesophyll and bundle-sheath chloroplasts.
例如在雌雄异株物种中的雌性植物和雄性植物，气生的和被水浸没的叶片，生活史中的配子体与孢子体的交替，叶肉和维管束鞘叶绿体等。
Examples include male and female plants in dioecious species aerial and submerged leaves alternation of gametophyte and sporophyte stages of a life cycle and mesophyll and bundle-sheath chloroplasts.
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