sterile seed的例句大全

seed coat sclerenchymatous, lacking spongy tissue, in fertile seed thick and resistant to breakage, in sterile seed thin and brittle.

种皮为厚壁组织，缺乏海绵组织，在可育种子中厚并不易破损，在不育的种子里薄且脆。

seed coat sclerenchymatous, lacking spongy tissue, in sterile seed thin and brittle, in fertile seed thick and resistant to breakage.

种皮为厚壁组织，缺乏海绵组织，不育种子上薄且脆，在可育种子上厚且不易破损。

However, some plants of the same genotypes showed different fertility under the three temperatures, the plants showed selfed seed setting below twenty per cent under 30 degree centigrade, and 55.6 and 33.4 per cent of them were sterile under 27 and 24 degrees centigrade; respectively.

部分同一基因型植株在3种温度下育性表现不同。30℃下自然结实率＜20%的植株，仅有55.6%在27℃下表现不育，33.4%在24℃表现不育。

For open entomophilous pollination percentage of Bt transgenic sterile lines was higher than that of general one, their seed yield before frost increased significantly.

转Bt基因不育系昆虫自然授粉率比常规不育系大幅提高。

Its critical sterility inducing temperature ( CSIT) was low at about 23.5 ℃. Grown in Hefei, it had a long stable sterile period over 30 days with 100% sterile plant rate, 99.99% pollen sterility rate and no bagged selfed seed set.

2301S不育株率100%，花粉败育率99.99%，套袋自交不实率100%，不育起点温度较低，在合肥不育期30d以上；

It has a comparatively compact plant type with thick culm, colorless leaf sheath and glume tip. Its male sterility is complete and stable with 100% of male sterile plants, 99.99% of pollen sterility and 0.025% of bagged selfed seed-setting rate.

不育性稳定，群体不育株率100%，花粉不育度99.99%，套袋自交结实率为0.025%；

Aim Character Disquisition on Close-general The Seed Set of Outcrossing Sterile Line

近常异交水稻不育系目标性状研究

Effects of Chemical Substances on the Seed Yield of Ecological Male Sterile Line in Wheat

化学药剂对小麦生态雄性不育系制种产量的影响

Study on New System of Producing Hybrid Wheat Seed by Mixing Male Sterile Line and Restorer Line

杂交小麦混合制种新体系的初步研究

The methods of hybrid seed production by using genetic male sterile lines and their corresponding restorers bad been studied.

利用选育成的芝麻雄性核不育系及相应恢复系，研究以现蕾至始花期花药特征为标记获得全不育的芝麻两系法制种效果。

The Relationship between Flowering and Pollination Time and Outcrossing Rate of Male Sterile Lines in Hybrid Rice Seed Production

水稻不育系花时和受粉时间与异交结实率的关系

Analysis of Factors on Outcrossing Seed-Setting Obstacles in Pho to-Thermo Sensitive Genic Male Sterile Rice

水稻光温敏核不育系异交结实障碍的影响因素分析

impacts of pollination time on the rate of seeded siliquae and seed numbers per siliqua in cytoplasmic male sterile line of tuber mustard

授粉时间对榨菜不育系结荚率和荚粒数的影响

use of male sterile lines of a hybrid system can be removed from artificial emasculation, lower labor costs and improved seed purity.

利用不育系进行杂交制种可以免去人工去雄，降低了劳动成本、提高了种子纯度。

The Study of the Technique of Purifying the Dian-1 Type Hybrid Japonic Sterile Line Stock Seed

滇Ⅰ型粳稻不育系原种提纯技术研究

effects of sowing density and germinating conditions on the germination of flue-cured tobacco male sterile yunyan 87's pellet seed

不同播种密度和发芽条件对烤烟不育系云烟87包衣种子萌发的影响

In search of new rice idioplasm resource was cried for the research of two-line hybrid rice according to the techno-thought of "revers genic sterile rice", so that the potential risk of two-line hybrid rice seed production could be eliminated radically.

在两系法杂交水稻的研究领域迫切需要按照反向核不育的技术思路寻找新的种质资源，以便从根本上消除两系杂交稻制种过程中的潜在风险。