Potential of Trichoderma spp. as consistent plant growth stimulators

Ousley, Margaret; Lynch, J. M.; Whipps, J. M.

doi:10.1007/bf00337738

Cited by 93 publications

(74 citation statements)

References 20 publications

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“…Trichoderma spp. found in close association with roots contributes as plant growth stimulators [69]. In the present study, the root weight of inoculated control was greater than that of un inoculated weight.…”

Section: Fresh Root Weightsupporting

confidence: 39%

Evaluation of Some Botanicals and Trichoderma harzianum for the Management of Tomato Root-knot Nematode (Meloidogyne incognita (Kofoid and White) Chit Wood)

Feyisa¹,

Lencho²,

Selvaraj³

et al. 2015

Adv Crop Sci Tech

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Root-knot nematode disease caused by Meloidogyne incognita (Kofoid and White) Chit wood) is one of the major constraints for successful cultivation of tomato (Lycopersicon esculentum Mill.) in Ethiopia. Hence, the present study was conducted to evaluate the effect of leaf and seed extracts of four botanicals viz., Rape seed (Brassica napus L.), Lantana (Lantana camara L.), African marigold (Tagetes erecta L.) and Neem (Azadirachta indica L.) at 5% and 10% concentrations and T. harzianum at 5% plus control were tested on root-knot nematode under in vitro and also to evaluate their against root-knot nematode development and their role on plant growth parameters of tomato under in vivo condition. Plant extracts were more effective and significantly inhibited egg hatching and immobilizing the J 2 larval mortality of M. incognita than T. harzianum. Aqueous extract of all the tested plants inhibited egg hatching of nematode and resulted 84.67-100% mortality of the J 2 juveniles of M. incognita in vitro at the 10% concentration after 72 h of exposure time. There were no significant differences among the treatments of rape seed leaf (84.7%) at 10% concentration and Lantana camara (87%), African marigold (86.3%) and Neem leaf (85%) at 5% concentration after 72 h. Aqueous seed extracts of A. indica more significantly inhibited egg hatching and larva mortality of the J 2 of M. incognita in vitro at the 10% concentration and immobilized by 89, 93 and 100% after 24, 48 and 72 h of exposures, respectively, while at similar concentration of T. erecta, B. napus and L. camara leaf extracts exhibited 92, 89 and 93.2% inhibition of egg hatching and 75, 62.1 and 73% larval mortality, respectively. The effect of different botanicals and T. harzianum singly and in combination were studied for the management of tomato root-knot nematode under greenhouse condition. There was a significant difference in the reduction of root-knot nematode incidence, root-knot nematode population, nematode reproduction rate (NRR), number of galls and egg masses per plant were recorded. In pot culture condition, the application of leaf extract of individual plant in the presence of the nematode significantly enhanced the growth of tomato seedlings in comparison to the control. A significant increase in plant height, shoot weight and root weight of the seedlings were observed at the 10% concentration of leaf extracts in comparison to control. There was a significant difference in the reduction of root-knot nematode population, nematode reduction rate, number of galls and egg masses per plant of L. camara combined with T. harzianum. The mean fruit weight and total yield were observed highest in the combination treatment of L. camara combined with T. harzianum. This study results revealed that the test plants are readily available to farmers at no cost and able to reduce nematode population below economic threshold.

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Section: Fresh Root Weightsupporting

confidence: 39%

Evaluation of Some Botanicals and Trichoderma harzianum for the Management of Tomato Root-knot Nematode (Meloidogyne incognita (Kofoid and White) Chit Wood)

Feyisa¹,

Lencho²,

Selvaraj³

et al. 2015

Adv Crop Sci Tech

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“…Ousley et al (1994) précisent que le T. harzianum améliore l'acheminement des nutriments du compost jusqu'aux racines d'une manière similaire aux effets des mycorhizes. Ces auteurs ont d'ailleurs supposé que la réponse de stimulation des plantes est due à la production de métabolites thermostables qui stimulent directement la croissance des plantes ou à la capacité du T. harzianum à inactiver les matières toxiques du sol qui inhibent la croissance des plantes.…”

Section: Discussionunclassified

Effet de diverses souches du Trichoderma sur la croissance d'une culture de tomate en serre et leur aptitude à coloniser les racines et le substrat

Mouria

Ouazzani-Touhami²,

Douira³

2008

phyto

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RésuméLes champignons du genreTrichoderma, connus depuis 1887 pour leurs propriétés antagonistes, ont été utilisés comme agents de lutte biologique contre un large spectre de phytopathogènes. Récemment, certaines études ont démontré l'aptitude desTrichodermaà stimuler la croissance de certaines plantes. Ainsi, l'effet de six souches duTrichodermasur les paramètres de croissance et de rendement d'une culture de tomate en serre a été étudié. Les résultats montrent que toutes les souches duT. harzianumont stimulé la croissance de la tomate, notamment les biomasses végétative et racinaire, alors que leT. viriden'a pas eu un effet significativement différent par rapport au témoin. L'effet duTrichodermasur l'incidence des maladies foliaires a aussi été très net pour des souches deT. harzianumqui ont protégé à 100 % les feuilles de tomate. La colonisation des racines par les différentes souches duTrichodermane diffère pas significativement entre les souches duT. harzianum(86 à 100 %), alors qu'elle est significativement plus faible pour la souche TV1duT. viride.De même, les souches duTrichodermaont pu se maintenir à un niveau très élevé dans la rhizosphère par rapport aux témoins.

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“…Esta especie es reconocida por sus características como biocontrolador de patógenos del suelo (Elad et al 1987, Harman et al 1981, Harman y Kubicek 1998 y por ser un habitante común del suelo, cosmopolita, saprofito y normalmente asociado a la rizósfera (Cook y Baker T. harzianum en plántulas de pino 1989). En varios estudios de control de patógenos, bajo condiciones axénicas, se ha observado que T. harzianum no sólo redujo la severidad de estas enfermedades sino que también indujo la estimulación del crecimiento de las plantas, existiendo sólo reportes en especies herbáceas como lechuga (Lactuca sativa Linnaeus) (Baker 1988, Lynch et al 1991, maíz (Zea mays Linnaeus) (Blanchard y Björkman 1996), tabaco (Nicotiana tabacum Linnaeus), zapallo (Cucurbita maxima Linnaeus) (Chang et al 1986, Kleifeld y Chet 1992, petunia (Petunia hybrida Linnaeus) (Ousley et al 1994), tomate (Lycopersicum esculentum Mill) (Windham et al 1986), entre otras, no existiendo reportes en especies forestales.…”

Section: Introductionunclassified

Efecto de Trichoderma harzianum y compost sobre el crecimiento de plántulas de Pinus radiata en vivero

Donoso¹,

Lobos²,

Rojas

2008

Bosque (Valdivia)

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Potential of Trichoderma spp. as consistent plant growth stimulators

Cited by 93 publications

References 20 publications

Evaluation of Some Botanicals and Trichoderma harzianum for the Management of Tomato Root-knot Nematode (Meloidogyne incognita (Kofoid and White) Chit Wood)

Evaluation of Some Botanicals and Trichoderma harzianum for the Management of Tomato Root-knot Nematode (Meloidogyne incognita (Kofoid and White) Chit Wood)

Effet de diverses souches du Trichoderma sur la croissance d'une culture de tomate en serre et leur aptitude à coloniser les racines et le substrat

Efecto de Trichoderma harzianum y compost sobre el crecimiento de plántulas de Pinus radiata en vivero

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