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Studies on the shootborer Hypsipyla grandella (Zeller) (Lep., Pyralidae). XXVII. Biological and chemical screening for the basis of resistance of Toona ciliata M.J. Roem. var. australis


, : Studies on the shootborer Hypsipyla grandella (Zeller) (Lep., Pyralidae). XXVII. Biological and chemical screening for the basis of resistance of Toona ciliata M.J. Roem. var. australis. Turrialba 25(2): 152-159

In this further part of a series from Costa Rica (cf. preceding abstract, etc.), the authors describe and discuss studies on the chemical basis for the resistance shown by Australian cedar (Toona ciliata var. australis) to attack by Hypsipyla grandella (Zell.). Field studies showed that the moth is attracted to Australian cedar and oviposits on it but that the larvae die once they begin to feed. Cedrela odorata grafted on Toona was also resistant to attack.

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