1) Hybrid weakness
杂种劣势
2) hybrid dysgenesis
杂种劣育
3) Heterosis
[英][,hetə'rɔsis] [美][,hɛtə'rɑsɪs]
杂种优势
1.
Analysis on Heterosis and Correlation of Major Agronomic Characteristics between Parents and Offspring of Tobacco;
烟草主要农艺性状的杂种优势及亲子关系分析
2.
Analysis of Combining Abilities and Heterosis of Some Agronomically Important Traits in Brassica napus L.;
油菜主要农艺性状的配合力及杂种优势分析
3.
Heterosis of Maize Root Activity and Its Relationship with Photosynthetic Characteristics;
玉米根系活力杂种优势及其与光合特性的关系
4) hybrid vigour
杂种优势
1.
4 of which showed obvious hybrid vigour.
大多数杂交菌株 (核基因相同 )在菌丝生长速率与CMC酶活方面显示出不同程度遗传差异 ,其中 3号与 4号菌株在菌丝生长速率与CMC酶活方面呈现明显杂种优势。
2.
It has broad prospects of application in stabilizing hybrid vigour, avoiding producing seeds every year and reducing the cost of hybrid seeds.
它在固定植物杂种优势、免除年年制种、降低杂交种子成本等方面具有广阔的应用前景。
5) hybrid vigor
杂种优势
1.
Ultilization of cotton hybrid vigor and it s industrial practice;
棉花杂种优势利用及产业化实践
2.
Then the analysis of hybrid vigor and combining ability were made about the main fiber quality traits in the F1 generation.
选用5个陆地棉品种(系)与5个海岛棉品种,采用不完全双列杂交设计(NCⅡ设计)配制25个杂交组合,对亲本及F1代5个主要品质性状进行杂种优势、配合力分析。
3.
Male sterility opens up an efficient and cost-effective way to take advantage of hybrid vigor in crop production.
雄性不育为农作物杂种优势的利用开辟了一条经济有效的途径。
6) heterosis utilization
杂种优势
1.
The use of heterosis utilization is an important way to achieve breakthroughs in crop yield.
杂种优势利用是实现作物产量突破的重要途径,大豆是严格的自花授粉作物,大豆雄性不育最早在20世纪20年代被发现,许多研究者开展了深入探索,但成果并不显著。
补充资料：劣势
情况或条件比较差的形势：处于～ㄧ变～为优势。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条