M. OmuraFruit Tree Research Station, Ministry of Agriculture, Forestry and Fisheries, Yatabe, Ibaraki, 305 Japan
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T. Akihama
T. AkihamaFruit Tree Research Station, Ministry of Agriculture, Forestry and Fisheries, Yatabe, Ibaraki, 305 Japan
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Contributor Notes
Received for publication May 15, 1981.
Contribution A-130, Fruit Tree Research Station.
The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper therefore must be hereby marked advertisement solely to indicate this fact.