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Prevalence of Citrus tristeza virus in Mandarin of Sikkim Himalayan Region

机译：锡金喜马拉雅地区普通话中的柑橘柑橘感染病毒的流行

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摘要

The assessment of Citrus tristeza virus incidence in mandarin of Sikkim, involving sampling techniques, was estimated by DAS-ELISA. Mandarin orchards had high CTV incidence (46.32%), however, differential prevalence with regard to age of plant and location was observed. The CTV prevalence was relatively high in older orchards (51.01%) than that of younger ones (40.80%). Under all the plant age groups, south district had the highest CTV incidence (52.50%) and east district had the lowest (37.71%). The spatial distribution of CTV in plants indicates high concentration in twig followed by leaf tissue, however, stem had relatively less concentration. High aphid infestation was observed in all mandarin growing groves with the maximum in south district and minimum in east district. Taxoptera citricida was the predominating aphid species followed by T. aurantii, however, Aphis spp population was significantly less. Aphid infestation and CTV prevalence were positively and significantly correlated.
机译：通过DAS-ELISA评估了锡金普通话中柑橘柑橘的病毒发生率，涉及采样技术。普通话果园的CTV发生率很高（46.32％），但是在植物的年龄和位置方面存在差异。老龄果园（51.01％）的CTV患病率比年轻果园（40.80％）的要高。在所有植物年龄组中，南部地区的CTV发生率最高（52.50％），东部地区的CTV发生率最低（37.71％）。 CTV在植物中的空间分布表明，其在树枝中的浓度较高，其次是叶片组织，但是茎的浓度相对较低。在所有普通话生长的树丛中均观察到高蚜虫侵害，南部地区最大，东部地区最小。柠檬短翅目是主要的蚜虫，其次是桔梗T.，但是蚜虫的种群明显减少。蚜虫侵染与CTV患病率呈正相关且显着相关。

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  • 来源
    《Indian Journal of Virology》 |2010年第2期|p.140-143|共4页
  • 作者

    Kundan Kishore; H. Rahman; H. Kalita; Brijesh Pandey; N. Monika;

  • 作者单位

    ICAR Research Complex for NEH Region, Sikkim Centre, Tadong, Gangtok, 737102, Sikkim, India;

    ICAR Research Complex for NEH Region, Sikkim Centre, Tadong, Gangtok, 737102, Sikkim, India;

    ICAR Research Complex for NEH Region, Sikkim Centre, Tadong, Gangtok, 737102, Sikkim, India;

    ICAR Research Complex for NEH Region, Sikkim Centre, Tadong, Gangtok, 737102, Sikkim, India;

    ICAR Research Complex for NEH Region, Sikkim Centre, Tadong, Gangtok, 737102, Sikkim, India;

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  • 正文语种 eng
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  • 关键词

    Citrus tristeza virus; DAS-ELISA; Taxoptera citricida;

    机译：Tristeza柑橘病毒;DAS-ELISA;Taxoptera citricida;

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