Pollination efficiency of bumblebee, honeybee, and hawkmoth in kabocha squash, Cucurbita maxima, production in Kagoshima, Japan
نویسندگان
چکیده
Abstract Kabocha squash, Cucurbita maxima Duchesne, in delayed-start culture is one of the major cultivation systems southwestern Japan. Honeybee introduction or hand-pollination has been practiced this crop system, but species composition, abundance, and pollination efficiency pollinators remain unclear. In current study, we investigated which insect(s) accomplish kabocha squash. Among total visitations to female flowers, honeybees, mostly Apis mellifera L. (Hymenoptera: Apidae), dominated at 94.4% 85.3% experimental field 2019 2020, respectively, followed by bumblebee Bombus diversus Smith Apidae) hummingbird hawkmoth Macroglossum pyrrhosticta Butler (Lepidoptera: Sphingidae). The number pollen grains on body surface B. individuals was significantly greater than that such a single visit deposited 5–6 times more stigma honeybee visit, meaning efficient pollinator individual level. However, numerous honeybees compensated for their lower resulted fruit set. addition, report first time lepidopteran can pollinate squash: our data indicate several visits M. were likely exceed estimated minimum required Our survey three private farms revealed far set stigmas wild wintering honeybees. These findings squash production region practicable without enhancement effort, as hand-pollination.
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ژورنال
عنوان ژورنال: Applied Entomology and Zoology
سال: 2022
ISSN: ['0003-6862', '1347-605X']
DOI: https://doi.org/10.1007/s13355-021-00766-2