Field trial of salad oil application for the induction of male flower browning ofCryptomeria japonica |
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| Authors: | Kaihei Koshio Hisamitsu Takahashi Yasuo Ota |
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| Institution: | (1) Department of International Agricultural Development, Tokyo University of Agriculture, 56-8502 Tokyo, Japan |
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| Abstract: | A field trial of salad oil application for the induction of male flower browning ofCryptomeria japonica was conducted. The browning effect of salad oil applied from a helicopter was found to vary from clone to clone depending
on the earliness of male flower development. When applied at the flower initiation stage, salad oil turned male flowers to
a brown color; when applied later, the browning effect of salad oil was not clear. The effectiveness of the application depended
on how close to the time of flower initiation it occurred. The harmful changes caused by salad oil solution were only observed
on the leaves of Japanese plume-grass (Miscanthus sinensis), and no other effects on other plants were observed.
Todd Davies for his warm hearted advice on English composition. |
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| Keywords: | allergy Cryptomeria japonica male flower browning pollen scattering salad oil application |
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