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ISHS Acta Horticulturae 288: VI International Symposium on Pollination

INSECT POLLINATION OF CUCUMBER (CUCUMIS SATIVUS L.) IN THE PHILIPPINES

Authors:   C.R. Cervancia, E.A. Bergonia
Abstract:
Insect pollination of cucumber (UPL Cu-6) was studied in the University of the Philippines at Los Banos from 2 October 1988 to 30 March 1989.

Fruit set of bee and open pollinated plants were significantly higher than those that were non-pollinated. Consequently, fruits from bee pollinated plants had more filled seeds compared to fruits from those open and non-pollinated plants. These fruits were also heavier and uniform in shape and size.

Introduction of bee colonies in large cucumber plantation is recommended when the population of native pollinators are scarce.

The most common flower visitors of cucumber were Xylocopa chlorina (Cockerell), Xylocopa philippinensis Smith, Megachile atrata Smith and Apis dorsata Fabricius. They were most abundant from 1000 h to 1100 h. Activities of the pollinators synchronized with the anthesis of flowers.

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