コカクモンハマキの栄養と代謝に関する研究

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タイトル別名
  • Studies on Nutrition and Metabolism of the Smaller Tea Tortrix, <i>Adoxophyes orana</i> (FISCHER VON RÖSLERSTAMM)
  • コカクモンハマキ ノ エイヨウ ト タイシャ ニ カンスル ケンキュウ エイブン 2
  • II. An Essential Factor for Adult Emergence
  • II. 羽化因子について

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The effects of tea leaf powder, some fractions of tea leaf, fats and fatty acids on the larval growth and adult emergence of the smaller tea tortrix, Adoxophyes orana FISCHER VON RöSLERSTAMM, were studied with synthetic food media under aseptic conditions.<br>The optimum dietary level of tea leaf powder was evaluated as more than 22.4per cent of dry diet for both the larval growth and the adult emergence. The active principle for larval growth was partially extractable with boiling water, but not with ether; and that for adult emergence was pratially extractable with ether but not with boiling water.<br>So far as the activity for adult emergence is concerned, 1g of dietary tea leaf powder was replaced completely by either 50-200mg of linseed oil or 10-40mg of linolenic acid per flask. Olive oil, stearic, oleic, and linoleic acids had no activity. It was concluded that the smaller tea tortrix requires an unsaturated fatty acid, linolenic acid, in the food medium for the adult emergence.<br>Tea leaf contains some other unknown factor (s) essential for larval growth, which is partially soluble in boiling water.

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