ヒメトビウンカの幼虫発育に不可欠な微量金属

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タイトル別名
  • Essential Trace Metals for the Nymphal Growth of the Smaller Brown Planthopper, <i>Laodelphax striatellus</i> FALLÉN.
  • ヒメトビウンカ ノ ヨウチュウ ハツイク ニ フカケツ ナ ビリョウ キンゾク

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Trace metals indispensable for the growth of the nymphs were studied in Laodelphax striatellus. The nymphal duration and the survivorship were examined by rearing the planthopper on the MED-1 diets lacking one of the trace metals. Without iron, copper or zinc, the nymphs could not complete their development. Dietary deficiency of manganese or calcium did not prevent the planthoppers from completing nymphal development. The optimum concentrations of FeCl3⋅6H2O, CuCl2⋅2H2O and ZnCl2 for the nymphal growth were estimated at 1.1-71.3, 0.017-2.14 and 0.2-12.7mg per 100ml, respectively.

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