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首页> 外文期刊>Bulletin of the National Research Centre >Early Growth Response of Some Banana Cultivars to Infection with Meloidogyne incognita and Helicotylenchus dihystera
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Early Growth Response of Some Banana Cultivars to Infection with Meloidogyne incognita and Helicotylenchus dihystera

机译：一些香蕉品种对南方根结线虫和螺旋藻的早期生长反应

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摘要

When seven banana cultivars derived from tissue culture technique were screened to determine the biotic effect of the host type on development and reproduction of either Meloidogyne incognita or Helicotylenchus dihystera, the nematodes were found to vary in their densities and behaviour according to the tested cultivars and nematode species. The cultivars Basrai and Poyo ranked as susceptible hosts but Grand Nain, Hindi, Maghrabi, Valery and Williams were highly susceptible to M. incognita. Suitable hosts of H. dihystera comparised die cultivars Maghrabi, Williams, Valery and Basrai but unsuitable hosts contained Hindi, Pyo and Grand Nain. Also, results indicated that growth parameters viz number of leaves, length and weight of both shoots and roots, pseudostem girth and corm girth of all the tested cultivars were signficantly (P ≥ 0.05 and 0.01) reduced by the M. incognita infection as compared to uninoculated plants. Statistical differences (P ≥ 0.05 and 0.01) were found between infected and non-infected plants in some tested parameters as for H. dihystera infection.
机译：当筛选了七个来自组织培养技术的香蕉品种以确定寄主类型对南方根结线虫或双螺旋线虫的发育和繁殖的生物作用时，发现线虫的密度和行为根据测试的品种和线虫而有所不同。种类。品种Basrai和Poyo被列为易感寄主，但是Grand Nain，Hindi，Maghrabi，Valery和Williams极易感染隐杆线虫。合适的寄主H.宿主与Maghrabi，Williams，Valery和Basrai的栽培品种相比，但不合适的寄主包含Hindi，Pyo和Grand Nain。此外，结果表明，与隐孢分枝杆菌感染相比，所有测试品种的生长参数，即叶数，枝条和根的长度和重量，假茎周长和球茎周长均显着降低（P≥0.05和0.01）。未接种的植物。在某些检测参数中，如感染H. dihystera感染，在感染和未感染的植物之间发现统计学差异（P≥0.05和0.01）。

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