Journal of Integrative Agriculture ›› 2012, Vol. 11 ›› Issue (2): 197-205.DOI: 10.1016/S1671-2927(00)8537

• 论文 • 上一篇    下一篇

The Effects of Space Dimension and Temperature on the Cross Mating of Three Cryptic Species of the Bemisia tabaci Complex in China

 LI Xiao-xi, LI Shao-jian, XUE Xia, Muhammad Z Ahmed, REN Shun-xiang, rew G S Cuthbertson , QIU Bao-li   

  1. 1.Department of Entomology, South China Agricultural University, Guangzhou 510640, P.R.China
    2.Polytechnic College, Hebei University of Science and Technology, Shijiazhuang 050018, P.R.China
    3.Department of Genetics, University of Pretoria, Pretoria 0002, South Africa
    4.The Food and Environment Research Agency, Sand Hutton YO41 1LZ, United Kindom
  • 收稿日期:2011-02-15 出版日期:2012-02-01 发布日期:2012-02-11
  • 通讯作者: Correspondence QIU Bao-li, Tel: +86-20-85283717, Fax: +86-20-85280316, E-mail: baileyqiu@scau.edu.cn
  • 基金资助:

    This research was funded by the National Basic Research Program of China (2009CB119203), the National Natural Science Foundation of China (31071732) and the Foundation of Lingnan Fruit Innovation Team of Guangdong Province, China (2009-14).

The Effects of Space Dimension and Temperature on the Cross Mating of Three Cryptic Species of the Bemisia tabaci Complex in China

 LI Xiao-xi, LI Shao-jian, XUE Xia, Muhammad Z Ahmed, REN Shun-xiang, rew G S Cuthbertson , QIU Bao-li   

  1. 1.Department of Entomology, South China Agricultural University, Guangzhou 510640, P.R.China
    2.Polytechnic College, Hebei University of Science and Technology, Shijiazhuang 050018, P.R.China
    3.Department of Genetics, University of Pretoria, Pretoria 0002, South Africa
    4.The Food and Environment Research Agency, Sand Hutton YO41 1LZ, United Kindom
  • Received:2011-02-15 Online:2012-02-01 Published:2012-02-11
  • Contact: Correspondence QIU Bao-li, Tel: +86-20-85283717, Fax: +86-20-85280316, E-mail: baileyqiu@scau.edu.cn
  • Supported by:

    This research was funded by the National Basic Research Program of China (2009CB119203), the National Natural Science Foundation of China (31071732) and the Foundation of Lingnan Fruit Innovation Team of Guangdong Province, China (2009-14).

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摘要： The sweetpotato whitefly Bemisia tabaci (Homoptera: Aleyrodidae) is a destructive pest of agriculture and horticulture worldwide. Recent phylogenetic analysis using mitochondrial cytochrome oxidase 1 sequences indicates that this whitefly is a species complex including at least 24 morphologically indistinguishable but genetically distinct cryptic species. In this study, the inter-species crosses of Middle East-Asia Minor 1 (MEAM1), Mediterranean (MED) and Asia II 7 cryptic species, which were referred to as B, Q and Cv biotypes before, were conducted in two different devices, leaf cages (7 cm3) and cylinder cages (280 cm3), and at three temperatures of 22, 30 and 38°C. Results indicated that no female progeny were produced in the reciprocal cross between MEAM1×Asia II 7, between MED×Asia II 7 cryptic species neither in leaf cage nor in cylinder cages, while 0.81 and 1.37% of females in the offspring were recorded in the reciprocal cross between MEAM1×MED in leaf cage experiments. Approximately 0.95-0.98% female progeny were recorded in the reciprocal cross between MEAM1×MED at 30°C, 0.77% female progeny were recorded in the single cross direction between MEAM1 × MED at 22°C, and no female progeny were found in their reciprocal cross at 38°C in leaf cage. Our findings indicated that neither space dimension nor temperature have a significant effect on the hybridization of different B. tabaci cryptic species.

关键词: Bemisia tabaci, cross mating, cryptic species, reproductive isolation, space dimension, temperature

Abstract: The sweetpotato whitefly Bemisia tabaci (Homoptera: Aleyrodidae) is a destructive pest of agriculture and horticulture worldwide. Recent phylogenetic analysis using mitochondrial cytochrome oxidase 1 sequences indicates that this whitefly is a species complex including at least 24 morphologically indistinguishable but genetically distinct cryptic species. In this study, the inter-species crosses of Middle East-Asia Minor 1 (MEAM1), Mediterranean (MED) and Asia II 7 cryptic species, which were referred to as B, Q and Cv biotypes before, were conducted in two different devices, leaf cages (7 cm3) and cylinder cages (280 cm3), and at three temperatures of 22, 30 and 38°C. Results indicated that no female progeny were produced in the reciprocal cross between MEAM1×Asia II 7, between MED×Asia II 7 cryptic species neither in leaf cage nor in cylinder cages, while 0.81 and 1.37% of females in the offspring were recorded in the reciprocal cross between MEAM1×MED in leaf cage experiments. Approximately 0.95-0.98% female progeny were recorded in the reciprocal cross between MEAM1×MED at 30°C, 0.77% female progeny were recorded in the single cross direction between MEAM1 × MED at 22°C, and no female progeny were found in their reciprocal cross at 38°C in leaf cage. Our findings indicated that neither space dimension nor temperature have a significant effect on the hybridization of different B. tabaci cryptic species.

Key words: Bemisia tabaci, cross mating, cryptic species, reproductive isolation, space dimension, temperature