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- It is possible to establish the wheat heterotic group by ISSR marker. 据此,提出了可以利用ISSR分子标记对小麦杂种优势群进行划分的结论。
- Waxy maize germplasm in Jiangsu province needs to be collected, improved and created to develop new heterotic group and breed new varieties, as a result, enhance the safety of waxy maize production. 江苏需要不断挖掘新的优良种质,加强种质的收集、整理、改良和创新,创造新的杂种优势群,以拓宽杂优模式,育成突破性新品种,提高糯玉米生产的安全性。
- However, research on heterotic groups in indica rice is scarce compared with that in maize. 与玉米相比,水稻杂种优势群的研究相对薄弱。
- SSR analysis is an effective way for heterotic grouping of hybrid parental lines in rice. 并结合杂交水稻生产实践提出了7种杂种优势组合配组模式。
- But, in this study, Pob46, Pob69, Pob70, Pob21, Pob32, Pob49, Pob502, Suwanl populations could not be divided into4 domestic heterotic groups. 而Pob46,Pob69、Pob70、Pob21、Pob32、Pob49、Pob502、Suwanl等群体本研究中尚无法归入我国四大种质类群。
- At the same time, genetic diversity of the 27 inbreds was detected by 117 SSR primers to cluster their heterotic groups based on genetic similarity. 利用117对SSR引物检测上述27个优良自交系间的遗传多样性,并根据遗传相似系数进行聚类分析;
- Consequently, SSR markers could be used for measuring genetic variation and assigning maize inbred lines to heterotic groups. 研究表明,利用SSR标记可以进行玉米自交系遗传变异分析,并用于杂种优势群划分。
- The heterotic groups and patterns of maize germplasm were summarized based on the pedigree of hybrids used dominantly in Jilin province during the past2 decades. 根据我国玉米优势群划分结果,结合育种实践,将我国的玉米种质分为外引优势群、中国优势群和热带优势群3个;杂优模式为外引优势群×中国优势群、引优势群×带优势群和中国优势群×带优势群。
- Classification of Heterotic Group of Elite Maize Inbred Lines 优良玉米自交系的杂种优势类群划分研究
- The advantages between combining ability and molecular markers were compared and discussed, which would provide the important theory basis for heterotic grouping studies and utilizing. 探讨配合力与分子标记划分类群的优缺点,为今后玉米杂种优势群的研究和利用提供理论依据。
- Maize heterotic grouping was studied using SSR technique、agronomic traits and additive effect.The materials consisted of 17 CIMMYT maize inbred lines and 20 domestic maize inbred lines. 本文以17个CIMMYT自交系和20个国内自交系为材料,利用SSR分子标记、表型性状观测、加性效应分析等三种技术手段和聚类分析的统计学方法,研究了玉米杂种优势群划分。
- Heterotic groups and patterns among breeding materials provide fundamental information while utilizing heterosis in plant breeding. 杂种优势群和杂种优势利用模式可以为植物的杂种优势利用提供重要信息。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
- The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
- The group was made up of doctors. 这个团体是由医生组成的。
- A group of boys dashed out of the classroom. 一群男孩子从教室里冲出来。
- The heterosis analysis showed that the inter-group heterosis was greater than the intra-group heterosis, which indicates the feasibility of dividing rice heterotic groups by using SSR markers. 杂种优势分析表明,群间优势大于群内优势,说明利用SSR标记划分籼型水稻杂种优势群是可行的。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
- He goes about with a group of nice boys. 他经常和一群好孩子在一起玩。