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搜索结果: 1-9 共查到Honeybees相关记录9条 . 查询时间(0.078 秒)
The complex social life of honeybees -- with their queens and workers cooperating to produce honey -- is deeply entrenched in the public's imagination. But the majority of the world's more than 20,000...
Insecticides are becoming more toxic to honeybees(图)     Insecticides  becoming more toxic  honeybees       font style='font-size:12px;'> 2020/2/20
Over the past 20 years, insecticides applied to U.S. agricultural landscapes have become significantly more toxic -- more than 120-fold in some Midwestern states -- to honeybees, according to National...
The histopathological structure as well as content and distribution of mucosubstances in the mid-gut mucosa of the honeybee (Apis mellifera) treated with the phyto-pharmacological preparation Nozevit ...
The acute and chronic toxicity to honeybees, Apis mellifera of water guttation and dew collected from winter rape plants treated with the insecticide Nurelle D® (a.i. chlorpyriphos + cypermethrin...
The effects of NeemAzalTM formulations: NeemAzalTM T/S (1% azadirachtin) and NeemAzalTM granules (1% azadirachtin) on honeybees, Apis mellifera L., were studied under semi-field conditions. Three plot...
Migratory and local bees in Massachusetts were analyzed for seven viruses. three were detected: black queen cell virus (BQCV), deformed wing virus (DWV), and sacbrood virus (SBV). DWV was most common,...
According to Harland Patch, research scientist in entomology, Penn State, not only are flowering plants important for honeybees, but the insects are important for plants as well. "Honeybees are pol...
Every moment of every day the brain is forced to process thousands of separate odorants from the world around us. Through a new study of honeybees, scientists at UQ's Queensland Brain Institute have d...
The effects of pollination by honeybees Aphis mellifera on yield and quality of eggplants were examined in forcing cultures at the lowest temperature of 15 °C. Yields of eggplants pollinated by honeyb...

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