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园艺学报 ›› 2002, Vol. 29 ›› Issue (6): 510-514.

• 研究论文 • 上一篇    下一篇

丛枝菌根真菌与葡萄南方根结线虫的相互作用及其对寄主的影响

李海燕1;刘润进2;束怀瑞1,3   

  1. (1 山东农业大学园艺学院, 泰安271018 ; 2 莱阳农学院菌根实验室, 莱阳265200)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2002-12-25 发布日期:2002-12-25

Interaction between AM Fungi and Grape Meloidogyne incognita

Li Haiyan1, Liu Runjin2, and Shu Huairui1
  

  1. (1 College of Horticultural Science , Shandong Agricultural University , Tai’an 271018 , China ; 2Mycorrhiza Laboratory , Laiyang Agricultural College , Laiyang 265200 , China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2002-12-25 Published:2002-12-25

摘要: 在温室盆栽条件下对‘巨峰’葡萄扦插苗接种丛枝菌根(AM) 真菌(Glomus versiforme Berch、Gigaspora margarita Becker & Hall 及Glomus mosseae Nicolson & Gedermann) 和南方根结线虫(Meloidogyne incognita) 。结果表明, 供试AM真菌能不同程度地抑制南方根结线虫病害的发生发展, 降低根围土壤中二龄幼虫数量、卵块直径、平均每个卵块的卵量及平均每克葡萄根系上的卵量, 先接种AM真菌后接种南方根结线虫的处理比同时接种二者抑制线虫病害的效果更好。接种AM真菌可提高葡萄植株光合速率, 增加植株高度、茎粗、叶面积、地上部干样质量和地下部干样质量, 这在一定程度上补偿了由于线虫所造成的损害。此外, 接种南方根结线虫降低了G. mosseae 的根内泡囊和入侵点数量、G. versiformeGi . margarita的侵染率;但增加了G. versiformeGi . margarita 的根内泡囊数及入侵点数。因此, 对每一种AM真菌—植物—线虫组合关系不可能作出统一的概括。

关键词: AM真菌, 葡萄, 南方根结线虫, 相互作用

Abstract: The interactions between arbuscular mycorrhizal (AM) fungi Glomus versiforme Berch , Gigaspora margarita Becker & Hall , Glomus mosseae Nicolson & Gedermann and Meloidogyne incognita on grape ‘Kyoho’
were studied under the condition of pot culture in a greenhouse. The results showed that the tested AMfungi were able to inhibit the generation and development of M. incognita , decrease the number of the second2stage juveniles in the soil of root zone , the diameter of egg mass , the number of eggs in per egg mass and on per gram root ; In addition , the treatment of pre2inoculating AM fungi and post2inoculating M. incognita performed more effectively on grape’s resistance to M. incognita than that inoculating AM fungi and M. incognita concurrently ; Inoculating AMfungi promoted plant’s photosynthesis , increased plant hight , stem diameter , leaf area , dry mass of tops or roots , which compensated the damage produced by M. incognita ; Inoculating M. incognita decreased the number of vesiculars and entry points number of G. mosseae , as well as the colonization percent of G. versiforme and Gi. margarita , while increased the number of vesiculars and entry points of G. versiforme and Gi . margarita. Therefore , we can not give a common conclusion to the every association of AMfungi-plant-nematode.

Key words: AMfungi, Grape, Meloidogyne incognita, Interation

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