| 释义 |
back·cross·ing 英bækk'rɒs美bækk'rɒs COCA¹⁷³⁷⁴⁹BNC²³⁶²¹³⁺¹
基本英英搭配例句
v.使回交²⁰n.回交⁸⁰原型backcross的现在分词过去分词backcrossed现在分词backcrossing三单backcrosses
Verb:
mate a hybrid of the first generation with one of its parentsbackcross ratio回交率second backcross generation第二回交子代…backcross parent回交亲本repeated backcross重复回交recurrent backcross相互回交backcross breeding回交育种法first backcross generation第一回交子代,回交一…backcross hybrid回交杂种backcross mating医 回交, 逆代…third backcross generation第三回交子代…
The results from this study indicate that the use of backcrossing with a PCR- based DNA marker was useful in waxy wheat breeding. These partial waxy wheat lines can be used in field production.
研究表明采用回交转育与分子标记辅助选择相结合的方法，是培育农艺性状优良部分糯性小麦的一种非常有效的方法。 fabiao
The near isogenic lines with Oleson did not affect the spikelet numbers and flag leaf length of backcrossing male parents.
奥尔森矮源近等基因系对回交父本的小穗数没有影响，对旗叶长影响比较小； cnki
The sprouting percentage of hybrid progenies was reduced by backcrossing with the resistant parents.
用抗性亲本回交可提高其后代的抗穗发芽性。 cnki
High heritability traits such as grain number per panicle and weight per thousand grains can be improved synchronously by limited backcrossing in breeding procedures.
对于每穗粒数、千粒重等遗传力高的性状，可结合杂交育种工作采用有限回交同步改良。 cnki
This paper presents the method for transferring sex limited markers of silkworm by backcrossing and marker gene selection.
介绍了一种回交结合标记基因选择，转移蚕限性品种标记基因的方法。 cnki
Treatment of tillering nodes of F1 plants with colchicine and backcrossing to T. aestivum produced11 seeds.
用秋水仙碱处理分蘖节后，再用普通小麦回交得到11粒种子。 cnki
Using WCR lines with CMS cytoplasm as female parent to develop new restorer lines by backcrossing.
以同质广亲和恢复系为母本转育新的恢复系。 cnki |