果园中供主栽树授粉用的植株,有一些有自花不实现象,定植时都必须配置授粉树。应选用与主栽树花期相遇、花粉多、授粉后结实率高、丰产优质的果树品种,且寿命长短、结果期、成熟期与主栽树相近,以利栽培管理。
... 仿生农药(bionic pesticide) 授粉树(pollinizer) 水土保持(soil and water conservation) ...
基于20个网页-相关网页
In order to provide theoretical basis for walnut pollen preservation,artificial pollination,and the configuration of pollinizer,the pollen’s shape,size and the pollen vitality of different walnut cultivars were determined. The results showed that walnut pollen were oval or circular shape.
为了给核桃花粉的保存、人工授粉及授粉树的配置提供理论依据,笔者测定了核桃楸、河北核桃、11个普通核桃品种花粉的形状、大小及不同保存条件下花粉生活力的差异。
参考来源 - 核桃花粉形态及生活力的比较·2,447,543篇论文数据,部分数据来源于NoteExpress
试验研究了无授粉树的老苹果梨园利用角额壁蜂辅助授粉对苹果梨生长的影响及经济效益分析。
The technology of pollinating on apple-pear with Osmia in the old orchard without pollinating trees was studied.
世界80%以上的杏仁树都生长在加利福尼亚,为了给它们授粉,大约7000个种植户租用了全美国230万个商用蜂房中的140万个蜂房。
More than 80% of the world’s almonds are grown in California and, to pollinate them, the 7,000 or so growers hire about 1.4m of America’s 2.3m commercial hives.
世界80%以上的杏仁树都生长在加利福尼亚,为了给它们授粉,大约7000个种植户租用了全美国230万个商用蜂房中的140万个蜂房。
More than 80% of the world’s almonds are grown in California and, to pollinate them, the 7, 000 or so growers hire about 1.4m of America’s 2.3m commercial hives.
应用推荐