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controlled pollination相关的网络例句

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与 controlled pollination 相关的网络例句 [注:此内容来源于网络,仅供参考]

Third, the anthesis the movement of pollination drops.

第三,花期及传粉滴的活动规律。

The results suggest: the three culturalss pollen germination percentage were more than 60% 4 h after cultured in liquid culture medium composed 10% sucrose, 24℃; Florescence most concentrated April third-tenth (2003); For Zaomeisu and Qiyuesu ,their anthotaxy and flower self setting fruit percentage were more than 90%,except for China pear 1, anthotaxy self setting fruit percentage was 48.3%, flower self setting fruit percentage was 33.1%; Their cross-compatibility was higher, anthotaxy and flower self setting fruit percentage almost reached 100%, the lowest also reached 94.9%, but last self-compatible gathering fruit percentage was lower comparatively and fruit average seed numbers were lower, while cross-compatible gathering fruit percentage and fruit average seed numbers were closed to that of nature pollination.

对梨品种亲缘关系很近的早美酥、中梨1号、七月酥等进行的花粉发芽率、花期调查、自交亲和性、异交亲和性调查的结果表明:三者的花粉在10%的蔗糖液培养基上,24℃左右培养4h后花粉发芽率均能达到60%以上;三者的花期大都集中在4月3日-10日(2003年);早美酥、中梨1号、七月酥的自花授粉坐果率,除中梨1号的花序自花授粉座果率为48.3%,花朵自交座果率为33.1%外,早美酥、七月酥的花序自交座果率和花朵自自花授粉座果率均达到90%以上;它们的异花授粉坐果率更高,在本试验中花序坐果率和花朵坐果率都可达到94%以上,但最终采果率自花授粉的相对低一些,果实平均种子数也低,异花授粉的最终采果率和果实平均种子数与自然授粉条件下的近似。

This syndrome impacts seriously not only on the apiary industry, but also on crop production and on native plants that rely on honeybees for pollination.

此症严重地冲击养蜂事业,亦对赖以蜜蜂授粉之农作物的生产及对野生植物永续发展产生严重地威胁。

The secondary nuclei can fertilize normally and form nuclear type endosperm while some constitute cellular endosperm, All of them degenerate 12 days after pollination,with the result of the ovules being aborted earlier while the arillus still occur and develop into seedless fruit finally.

次生核虽正常受精,并产生核型胚乳,有的还能发育到细胞型胚,到 12d左右也完全退化。结果导致胚珠极早败育,但假种皮仍能发生发育,最终形成无核果实

In the crosses of the autotetraploidy rices used as the females, some seeds could be got, but more seeds were obtained in these crosses by the special treatment that the DH solution was put into the caryopses before the pollination.

在以同源四倍体水稻为杂交母本的杂交组合中,可以获得一些实粒种子,但是,如果在授粉前利用DH溶液对同源四倍体水稻的去雄颖花进行处理后再授狼尾草的花粉粒则能获得更多的实粒种子。

For pollination, Brazil nut trees are dependent on Euglossine orchid bees. Without these large-bodied bees, Brazil nut reproduction is not possible.

巴西坚果树木是依赖于Euglossine兰花蜜蜂来授粉,如果没有这些大蜜蜂,这些树是不可能结出坚果的。

Environmental groups claimed Bt Brinjal might, through cross-pollination, wipe out thousands of indigenous brinjal varieties. Throughout November and December the "Coalition for a GM-Free India", grouping more than 100 NGOs from 15 states, campaigned at village councils and farmers' meetings, political rallies and in the non-English press and blogosphere.

环境组织则称bt茄子或许在异体授粉的过程中破坏了数千种土生的茄子品种。11月和12月,"印度无转基因联盟"在15个邦聚集了一百多个非政府组织,在乡村委员会、农民会议、政治集会和非英语媒体及博客圈中发起活动。

The results showed that burliness capabilities varied with different pollination methods for lily.

结果表明,不同授粉方法对百合的杂交结实力影响不一样。

In pollination test of two kinds of lilies,the burliness quantity from mother plant of Prato lily were great,but...

在普瑞头与新中心的授粉实验中,以普瑞头作母本采用柱头授粉结种量很大,而在反交实验中却一个也未结果。

Chung replied that the epiphyllum was a genus in the cactus family, and the moth was its major pollination agent. Therefore, epiphyllum was white to facilitate moths to identify it at night.

报告人答昙花这种仙人掌类的植物,授粉主要的传播媒介为蛾类,是故昙花为白色以便蛾类在夜间辨识。

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Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.

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He is an expert on the causes of the Great Depression.

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