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Volume 2 Issue 3
Sep.  2011
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Article Navigation >  Journal of Tropical Biology  > 2011  >  2(3): 214-218

LI Ya, CHENG Lisheng. Interspecies Competition between Tetraychus urticae Koch and T.cinnabarinus Boisduval Fed with Cotton[J]. Journal of Tropical Biology, 2011, 2(3): 214-218. doi: 10.15886/j.cnki.rdswxb.2011.03.010
Citation: LI Ya, CHENG Lisheng. Interspecies Competition between Tetraychus urticae Koch and T.cinnabarinus Boisduval Fed with Cotton[J]. Journal of Tropical Biology, 2011, 2(3): 214-218. doi: 10.15886/j.cnki.rdswxb.2011.03.010
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Interspecies Competition between Tetraychus urticae Koch and T.cinnabarinus Boisduval Fed with Cotton

doi: 10.15886/j.cnki.rdswxb.2011.03.010

  • 1. Agriculture College of Guangdong Ocean University, Zhanjiang 524088, China;

  • 2. Qiongtai Teacher's College, Haikou 571127, China

  • Received Date: 2011-08-03
  • Based on the comparing of population dynamics of single species and mixed population and the intrinsic rate of increase（rm） when Tetraychus urticae Koch and T.cinnabarinus Boisduval fed with cotton, the interspecies competition were studied. The results showed that it was 38th day when the amounts of active mites and mature mites of T.urticae and T.cinnabarinus reach to peak in the single population; and it is 48th and 54th day when the amounts of active mites and mature mites of T.urticae or T.cinnabarinus reach to peak in the mixed population, and the amounts of Tetraychus urticae Koch are 1 times higher than that of T.cinnabarinus Boisduval. Both in the single population and mixed population,the intrinsic rm of T.cinnabarinus active mites and mature mites was higher than that of T.urticae, which suggested interspecies competition of T.cinnabarinus was higher than T.urticae fed on cotton.
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Interspecies Competition between Tetraychus urticae Koch and T.cinnabarinus Boisduval Fed with Cotton

doi: 10.15886/j.cnki.rdswxb.2011.03.010
  • 1. Agriculture College of Guangdong Ocean University, Zhanjiang 524088, China;
  • 2. Qiongtai Teacher's College, Haikou 571127, China
  • Received Date: 2011-08-03

Abstract: Based on the comparing of population dynamics of single species and mixed population and the intrinsic rate of increase（rm） when Tetraychus urticae Koch and T.cinnabarinus Boisduval fed with cotton, the interspecies competition were studied. The results showed that it was 38th day when the amounts of active mites and mature mites of T.urticae and T.cinnabarinus reach to peak in the single population; and it is 48th and 54th day when the amounts of active mites and mature mites of T.urticae or T.cinnabarinus reach to peak in the mixed population, and the amounts of Tetraychus urticae Koch are 1 times higher than that of T.cinnabarinus Boisduval. Both in the single population and mixed population,the intrinsic rm of T.cinnabarinus active mites and mature mites was higher than that of T.urticae, which suggested interspecies competition of T.cinnabarinus was higher than T.urticae fed on cotton.

LI Ya, CHENG Lisheng. Interspecies Competition between Tetraychus urticae Koch and T.cinnabarinus Boisduval Fed with Cotton[J]. Journal of Tropical Biology, 2011, 2(3): 214-218. doi: 10.15886/j.cnki.rdswxb.2011.03.010
Citation: LI Ya, CHENG Lisheng. Interspecies Competition between Tetraychus urticae Koch and T.cinnabarinus Boisduval Fed with Cotton[J]. Journal of Tropical Biology, 2011, 2(3): 214-218. doi: 10.15886/j.cnki.rdswxb.2011.03.010
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