Highlights • We tested the effect of commercial bumblebees on strawberry pollination and quality.• Commercial bees increased high grade fruit by 25% in an early-flowering variety.• In two other varieties commercial bees had no effect on fruit quality.• Commercial bumblebees do not always provide the benefit they are assumed to.• Commercial bumblebees can be very effective when used in the right circumstance.

中文翻译：

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商业大黄蜂对草莓作物果实品质影响的品种和季节差异

亮点 • 我们测试了商业大黄蜂对草莓授粉和品质的影响。• 商业大黄蜂使早花品种的优质果实增加了 25%。• 在另外两个品种中，商业大黄蜂对果实质量没有影响。• 商业大黄蜂对草莓的品质没有影响。并不总能提供它们所想象的好处。• 在正确的环境下使用商业大黄蜂可以非常有效。