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Journal of Agriculture ›› 2025, Vol. 15 ›› Issue (5): 85-90.doi: 10.11923/j.issn.2095-4050.cjas2024-0038

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Effect of Beehive Protective Cover on Bee Colony Breeding and Foraging in Greenhouse Melon

LI Lixin1(), LU Surong2, SHEN Jinshan1, WU Wenqing1, SONG Huailei1, LEI Jia1, MA Weihua1()   

  1. 1 College of Horticulture, Shanxi Agricultural University, Taiyuan 030031
    2 College of Animal Science, Shanxi Agricultural University, Taigu Shanxi 030008
  • Received:2024-03-11 Revised:2024-10-21 Online:2025-05-20 Published:2025-05-19

Abstract:

To alleviate the effect of extreme high temperature in melon plastic greenhouse on pollinating bee colony in summer, honeybee colony was treated with beehive protective cover, the egg, larva, capped brood, quantity, pollen consumption and the proportion of bee carrying pollen were analyzed. The results showed that the highest temperature in the hive was 43.3℃ in the control group and 40.1℃ in the treatment group, which lasted for 8.5 h above 35℃ in the two groups, and for 5 h above 40℃ in the control group. The percentage of the capped brood reduction in the control group was higher than that in the treatment group, but there was no significant difference between the two groups (P>0.05). The number of eggs in the control group decreased, while the number of eggs in the treatment group increased. There was a significant difference between the two groups (P<0.05). The increase rate of larva in the treatment group was 3.94 times that in the control group, and there was a significant difference between the two groups (P<0.01). The reduction ratio of bee quantity in the control group [(49.83±0.17) %] was significantly higher than that in the treatment group [(27.22±1.47) %] (P<0.05). There was no significant difference in pollen consumption rate between control group and treatment group (P>0.05). Within one day, the number of bees carrying pollen in the treatment group was higher than that in the control group. The ratio of carrying pollen bees to homing bees in the treatment group [(23.29±3.03) %] was significantly higher than that in the control group [(7.21±1.04) %] (P<0.01). Therefore, the beehive protective cover can reduce and maintain the internal temperature of the bee colony, alleviate the adverse effect of environmental temperature change on the colony offspring, reduce the loss and the adjustment activities of the nest temperature of the bee colony, which is beneficial to the bee’s attendance for collecting pollen.

Key words: beehive protective cover, high temperature, colony growth and decline, pollen consumption, bees carrying pollen, greenhouse facilities