Carnation cultivar susceptibility to the green form of two-spotted spider mite Tetranychus urticae Koch (Acari: Tetranychidae)

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概要

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• The red form of Tetranychus urticae Koch, the two-spotted spider mite, is known to cause damage to carnations. Previously, it was thought that the green form of the two-spotted spider mite did not damage carnations; however, in recent years, this has been rejected. Using two carnation breeding cultivars, Di-24 was damaged by the green form and Di-7 was not. The host plant acceptance, fecundity, survival rate and developmental time for the green form were investigated for each cultivar. The green form had high performance (host plant acceptance, fecundity, survival rate and developmental time) on Di-24 than on Di-7. The results of these experiments clearly show that a susceptible cultivar to the green form exists in carnations. The mechanism of host-range expansion of the green form may have involved changes to carnation cultivars.

• 2008-08-25

著者

• TOYOSHIMA Goro

  Nagano Agricultural Technique and Training Center

• Toyoshima Goro

  Nagano Vegetable And Ornamental Crops Experiment Station

• SEKI Kousuke

  Nagano Prefecture Vegetable and Ornamental Crops Experimental Station

• Seki Kousuke

  Nagano Vegetable And Ornamental Crops Experiment Station

関連論文

• Occurrence and Population Density of the Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL (Coleoptera: Curcurionidae) in the Higher and Lower Elevation Areas of Nagano Prefecture
• Carnation cultivar susceptibility to the green form of two-spotted spider mite Tetranychus urticae Koch (Acari: Tetranychidae)
• Effects on flowering and seed yield of dominant alleles at maturity loci E2 and E3 in a Japanese cultivar, Enrei

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