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首页> 外文期刊>Pesticide Research Journal >Management of Meloidogyne incognita and Fusarium oxysporum f. sp. lycopersici Disease Complex on Tomato by Trichoderma harzianum, Tinopsora longifoiia and Glomus fasciculatum
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Management of Meloidogyne incognita and Fusarium oxysporum f. sp. lycopersici Disease Complex on Tomato by Trichoderma harzianum, Tinopsora longifoiia and Glomus fasciculatum

机译：南方根结线虫和尖孢镰刀菌的管理f。 sp。哈氏木霉，长叶Tinopsora和faglos fasciculatum的番茄lycopersici病复合物

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摘要

In a two year survey, the root knot nematode, Meloidogyne incognita and root wilt fungus, Fusarium oxysporum f. sp. lycopersici was found to cause disease complex resulting in heavy damage to tomato crop. Several saprophytic fungi viz. Aspergillus niger, A. terreus, A. fumigatus, Cladosporium oxysporum, Penicillium oxalicum and Trichoderma harzianum were found associated with the rhizosphere soil. Of these, Aspergillus species exhibited high toxicity (89-100%) to second stage juveniles (J2) of M. incognita but were not egg-parasitic. C. oxysporum was ineffective against J2 but parasitized the eggs by 86%, while T. harzianum was effective against juveniles and eggs of M. Incognita by 80% and 72% respectively. The synergistic effect of M. incognita and F. oxysporum f. sp. lycopersici in causing disease complex on tomato was established. Soil amendment of vasicular arbuscular mycorrhiza (Glomus fasciculatum) @ 100 chlamydospores per kg soil and T. harzianum @ 7 g kg~(-1) (2 x 10~8 spore load) as talc based formulation along with leaf-powder (0.05%w/w) of Tinospora longifoiia managed the disease complex by reducing its severity and making the host tolerant.
机译：在为期两年的调查中，根结线虫，Meloidogyne incognita和根枯真菌Fusarium oxysporum f。 sp。 lycopersici被发现会引起疾病，导致番茄作物严重受损。几种腐生真菌。发现黑曲霉，土壤曲霉，烟曲霉，氧化枯枝芽孢杆菌，草酸青霉和哈茨木霉均与根际土壤有关。其中，曲霉菌种对隐线虫的第二阶段幼虫（J2）表现出高毒性（89-100％），但无卵寄生虫。尖孢梭菌对J2无效，但将卵寄生了86％，而哈茨木霉对幼虫和隐孢子虫的卵分别有效了80％和72％。 M. incognita和F. oxysporum f。的协同作用。 sp。建立了导致番茄病害的lycopersici。以每公斤土壤100衣原体孢子和7公斤〜（-1）（2 x 10〜8孢子负荷）的滑石粉@脉管孢子菌的土壤改良剂以及滑石粉（0.05％） w / w）的Tinospora longifoiia通过降低疾病的严重程度并使其对宿主具有耐受性来控制疾病的复杂性。

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