During pollen formation a compound is produced naturally in the anther.

Certain varieties cannot be fertilised with their own pollen.

某些物种只能异花授粉。

Many kinds of plants, trades trees and grasses need bees to pollinate them.

多种作物 、 树木和草类需要蜜蜂为它们授粉.

They contract their bees out to farmers pollinate their crops.

他们还和农家作好约定,然后把蜜蜂送去帮农家的作物授粉.

Bees pollinate the flowers so the fruits or vegetables blossom each season.

蜜蜂为花朵授粉让蔬菜瓜果每季开花结果.

Farmers rent the bees from bee-keepers pollinate almond and cherry trees every year.

农民每年都从养蜂人那里租来蜜蜂为杏树和樱桃树授粉.

Besides turning floral nectar into honey, these hardworking insects also pollinate crops for farmers-for a fee.

除了将花蜜转化为蜂蜜, 这些辛勤工作的小虫子为农作物授粉 - 作为报酬给农民.

Bees and butterflies pollinate the trees in the orchard.

蜜峰与蝴蝶将果园里的树授粉.

Farmers will rent the bees pollinate almond and cherry trees.

农夫会从养蜂人那儿租蜜蜂来给杏树和樱桃树授粉.

Many garden plants need butterflies to pollinate them.

许多园林植物需要蝴蝶授粉他们.

To pollinate ( a flower ) by means of cross-pollination.

异花传粉用异花传粉的方式传花粉给 ( 花朵 )

Wild bees will naturally then pollinate human crops.

野生蜜蜂随之将很自然地帮助人类农作物授粉.

Many of the indigenous insects are needed to pollinate the local plants.

需要很多种土生昆虫给当地植物授粉。

However, a number of features that are characteristic of wind-pollinated plants reduce pollen waste.

然而, 一系列为风授粉植物所独有的特征可减少花粉浪费.

However , different cultivars pollinated by same pollen showed significant difference , sometimes the same, or sometimes not.

相同花粉在不同品种上授粉后表现有时相同有时不同.

However, pollen insect-pollinated ( entomophilous ) species is also often transported by wind.

然而, 虫媒传粉 ( 虫媒植物 ) 种的花粉也常常由风来输送.

The flowers cross-pollinated creating a new plant species.

花朵异花授粉而创造出新植物品种.

Open-pollinated progenies of such genotypes are raised separately.

将这种基因型的自由传粉的后代分别播种.

Wind-pollinated plants generally produce smooth light pollen.

风媒植物的花粉经常轻而光滑.

The flowers are pollinated by insects.

这些花通过昆虫授粉.

Flowers are often pollinated by bees.

花常常由蜜蜂传授花粉.