授粉
- pollination;fertilization
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[pollination] 雄蕊的花粉传给雌蕊柱头
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雌蕊子房壁在授粉后4~5天破裂。
Ovary wall ruptured 4 ~ 5 days after fertilization .
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自花授粉作物杂交育种组合潜势的预测和比较
Predicting and Comparing the Potential of Recombinant Inbreds Obtained from Crosses in Self Fertilization Crop
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某些物种只能异花授粉。
Certain varieties cannot be fertilised with their own pollen .
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需要很多种土生昆虫给当地植物授粉。
Many of the indigenous insects are needed to pollinate the local plants .
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然后,这些植物就被授粉,从而成熟结籽。
These plants are then pollinated and allowed to mature and produce seed .
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颈卵器的早期发育在授粉后两周内就业已明显。
Early archegonial development is already evident two weeks after pollination .
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只有少数林木可以从未授粉的胚珠发育成有活力的种子。
Only a few forest tree species can develop viable seed from unpollinated ovules .
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蜜蜂给花授粉。
Bees pollinate the flowers .
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没有得到充足的授粉,谷物的长势就会受阻。
Without sufficient pollination , the growth of the corn is stunted .
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这些花通过昆虫授粉。
The flowers get pollination by insects .
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它既是植物的授粉者,也是扮演食物链的关键角色。
The insects play a vital role in pollination5 and as a food source for birds .
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16天后,幼果开始形成,其速度与人工授粉的树木不相上下。
Sixteen days later , young fruits started to form at a similar rate to trees pollinated by hand .
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由于全世界蜜蜂数量的减少,科学家们一直在寻找给作物授粉的替代方法。深受儿童和许多成年人的喜爱,肥皂泡似乎不是给果蔬授粉的最有力的载体。
Beloved by children and many adults , soap bubbles would hardly seem to be the most robust1 vehicle for pollinating fruit and vegetables .
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飞蛾的运输网络不仅比日间传粉昆虫的网络更大、更复杂,而且还能帮助蜜蜂和蝴蝶很少光顾的物种进行授粉。
Not only are their distribution networks larger and more complex than daytime pollinators , the moths help pollinate species rarely visited by bees and butterflies .
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虽然科学家们一致认为自然传粉是给果蔬授粉的最佳方法,但这个日本的研究小组认为,配有肥皂泡喷洒器的无人机将来可能会减轻勤劳工作的蜜蜂的压力。
While scientists agree that natural pollination is the best method of fertilising fruit and veg , the Japanese team believe that drones armed with soap bubble sprayers could , in future , take some of the strain from hardworking bees .
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Northern杂交分析显示出在授粉后的小麦种子中检测到WaxymRNA。
Northern hybridization showed that Waxy mRNA accumulated in seeds following pollination .
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双果、纸皮自花授粉后分别出现与消失的蛋白质H~O、蛋白质f~o;
Protein H ~ O , protein f ~ o appears and disappears respectively after self-pollination .
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农作物遗传操纵新技术&授粉后外源DNA(基因)导入植物的生物工程育种技术
A New Biotechnique for Genetic Manipulation of Crops ── Introduction of Exogenous DNA ( Gene ) into Plant after Pollination
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授粉受精状况与苹果子房发育和Ca,Mg,K水平的关系
The Pollination and Fertilization in Relation to Development and Ca , Mg , K Levels of Apple Ovaries
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授粉后18~21h,精子和卵细胞开始融合,24h后形成一个核仁的受精卵;
The egg cell was fertilized in 24 hours after pollination .
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多年以来,Java语言和Python阵营之间一直存在大量的异花授粉现象。
There has been a good deal of cross pollination between the Java language and Python camps over the years .
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盾片和胚芽鞘在授粉后3d的幼胚上同时出现,两者均直接由原胚分化,并非胚芽鞘从盾片发生。
In the young embryo at 3 DAP the scutellum and coleoptile appeared simultaneously directly from the proembryo . The coleoptile did not originate from the scutellum .
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Put、Spd和Spm的浓度在授粉后14天到30天持续增长。
Concentrations of Put , Spd and Spm increased from 14 to 30 days after pollination ( DAP ) .
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结果表明,甘蓝自花授粉和异花授粉后3min时,蛋白质磷酸化活性有显著差别。
The results showed that the activity of protein kinase was significantly different after 3 min between self-pollination and cross - pollination .
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UV-B增加对玉米花粉抗氧化能力及授粉后籽粒发育的影响
Effects of Enhanced UV-B Radiation on Pollen Anti-oxidative Capacity and Post-pollination Kernel Development of Maize
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但授粉15天后添加的GA3及ABA,其对籽粒发育的效果均表现出与前期相反的趋势。
The effects of adding GA3 and ABA after 15 days of pollination on kernel development are versus to that before .
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采用花粉管通道法,在受体哈师5号授粉后,将经过辐照处理的供体DNA整体导入到哈师5号中,并对所得后代不断进行筛选和研究。
With the pollen-tube pathway , the exogenous DNA that had been treated with radiation was introduced into Hashi 5 after its pollination and its descendants were selected and researched unceasingly .
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授粉后2h,蕾期授粉的对照已经完成大孢子的第三次有丝分裂;
Two hours after pollination , the third mitosis of megaspore completes in CK of BP ;
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带有Ga基因的玉米,可使其它材料授粉结实,而其它玉米的花粉却不能使它正常结实,除非带有相同的显性基因;
A carrier of Ga gene can pollinate any other corn , but can be only pollinated by a carrier of the same dominant allele .
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纸皮、双果自花授粉后分别产生的蛋白质d、蛋白质G,其含量达到最大值时间越早预示着不亲和性越强。
" Zhipi " and " Shuang guo " distinguishes protein d , G after self-pollination . The earlier their content reach the maxium , the stronger of the incompatibility are .