查询词典 controlled pollination

Some important advances were made at beekeeping techniques and equipments, bee products, bee breeding, prevention and control of bee diseases and parasites, apicultural resources and bee pollination.

该所已取得一些很重要的成果，包括养蜂技术和设备、蜜蜂产品、蜜蜂养殖、对蜜蜂疾病和相关寄生虫的预防与控制、养蜂资源和蜜蜂授粉。

Colour, a kind of stable and effective visual signal which is epigamic to animals for pollination and seed-dispersal, sometimes could become aposematic signal to herbivores.

因此，向潜在的植食动物传达自己的防御信号对植物是有益的。

Could be observed on 10th day after pollination, archesporial cell on 20thday, megasporocyte on 24th day, the functional megaspore on 30th day; and 8-nucleate embryo sac on 41th day. And then double fertilization finish and early globular embryo emerg.

授粉10 d出现指状突起，20 d形成胚珠原基，24 d大孢子母细胞发生，30 d功能大孢子形成，41 d发育为成熟的八核胚囊，而后完成双受精发育成早期球形胚。

However, autogamous and geitonogamous pollination is unavoidable because of the large number of flowers on a single tree and the action of pollinators.

对六个野生滇桐居群的11个适合度相关性状指标比较研究，同时检测了居群大小与这些性状指标的相关性。

Foraging behavior and pollination ecology of Bombus lucorum L. and Apis mellifera L. in greenhouse peach garden.

对青藏高原东部麻花艽海北居群的传粉生态学进行了 3a连续的观察和实验。

Continuously three years investigation were conducted on foraging behavior and pollination ecology of two species of Chinese bee, bumblebee Bombus lucorum L.

2004-2006年连续3年应用明亮熊蜂和意大利蜜蜂在北京为温室桃园传粉，其访花行为和传粉生态学的研究结果表明，两种蜂都可以替代人工掸花为温室桃园提供有效的传粉服务。

The species diversity status of important pollination insects, Bombus was investigated at three sites, Mengla County at low elevations, Nanjian County at intermediate elevations, and Deqin County at high elevations, in Lancang River Basin in Yunnan, China.

本文对澜沧江流域内热带地区的勐腊县、亚热带地区的南涧县和寒温带地区的德钦县3个低、中、高海拔地带的重要传粉昆虫———熊蜂属的多样性现状进行了观察研究，并与20年前的资料进行了比较分析。

The species diversity status of important pollination insects, Bombus was investigated at three sites, Mengla County at low elevations, Nanjian County at intermediate elevations, and Deqin County at high elevations, in Lancang River Basin in Yunnan, China.

摘 要 本文对澜沧江流域内热带地区的勐腊县、亚热带地区的南涧县和寒温带地区的德钦县3个低、中、高海拔地带的重要传粉昆虫——熊蜂属的多样性现状进行了观察研究，并与20年前的资料进行了比较分析。

The pollen grains of the male induced some of the ovaries in the caryopses of the females to inflate obviously after the pollination.

在授粉后狼尾草的花粉粒能诱导杂交母本的子房发生明显膨大。

The aim was to study biological characteristics and artifical pollination technology of Dendrobium candidum.

［目的］研究铁皮石斛的生物学特性和开花授粉技术。

Panorama Many people are dancing in a large sitting room.

在一个大客厅里，许多人在跳舞。

We fully understand how a microwave oven cooks food, it is first necessary to talk ...

我们充分理解一个微波炉煮的食物，这是首先要谈。。。