Mass production of Trichoderma harzianum for managing fusarium wilt of banana

Thangavelu, R; Palaniswami, A.; Velazhahan, R.

doi:10.1016/j.agee.2003.09.026

Cited by 115 publications

(72 citation statements)

References 20 publications

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“…Spores from the conidia are released into surrounding tissues as the plant dies and later form chlamydospores that fall back into the soil (Jones, 2000) . These spores can remain viable in the soil up to 30 years or until conditions are favorable for re-infection (Thangavelu et al, 2004). F. solani is distinguished from other Fusarium spp.…”

Section: Introductionmentioning

confidence: 99%

Distribution of organic metabolites after Fusarium wilt incidence in tomato (Solanum lycopersicum L.)

Alsamir¹,

Mahmood²,

Ahmad³

et al. 2017

Aust J Crop Sci

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Tomato is an important vegetable crop worldwide and Fusarium wilt is a significant disease of tomato in many countries. One hundred and fifty three diverse tomato genotypes collected from local and exotic sources were screened for resistance to F. solani in the greenhouse. Significant variation in genotype response to inoculation was observed. The organic metabolite profiles of resistant and susceptible genotypes were assessed to determine the basis of resistance. Significant genetic variation was observed for ABA, malic acid, citric acid, fructose, glucose, sucrose, L-proline and myo-inositol. The disease treatment produced significant changes in fructose, glucose, proline and sucrose and significant genotype-by-treatment interaction was observed for ABA, citric acid, fructose, glucose, malic acid and sucrose, indicating that genetic improvement of these traits is feasible. Disease incidence was strongly associated with citric acid (R 2 = 0.84), sucrose (R 2 = 0.72) and L-proline (R 2 = 0.76). Principal component analysis confirmed that citric acid and L-proline were important in determining plant disease response. Genetic variation for Fusarium wilt resistance can be used to develop new tomato cultivars with improved disease resistance.

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Section: Introductionmentioning

confidence: 99%

Distribution of organic metabolites after Fusarium wilt incidence in tomato (Solanum lycopersicum L.)

Alsamir¹,

Mahmood²,

Ahmad³

et al. 2017

Aust J Crop Sci

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“…Fusarium wilt can remain viable in the soil for up to 30 years Thangavelu et al, 2003 . It is destructive to plants and progresses swiftly.…”

Section: Distribution and Environmental Conditionsmentioning

confidence: 99%

Integrated Management Strategies for Tomato Fusarium Wilt

Ajilogba

2013

Biocontrol Sci.

103

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Fusarium wilt is caused by the fungal pathogens, Fusarium oxysporum or Fusarium solani. It is a devastating disease that affects many important food and vegetable crops and a major source of loss to farmers worldwide. Initial strategies developed to combat this devastating plant disease include the use of cultural, physical and chemical control. None of these strategies have been able to give the best results of completely ameliorating the situation except for the cultural method which is mainly preventive. A good knowledge of the nature, behaviour and environmental conditions of growth of the disease agent is very important to controlling the disease development in that case. Biological control has been shown to be an environmentally friendly alternative. It makes use of rhizospheric and endophytic microorganisms that can survive and compete favourably well with the Fusarium wilt pathogen. They include plant growthpromoting rhizobacteria PGPR such as Bacillus spp. and Pseudomonas spp.. For PGPR to control or inhibit the growth of the Fusarium wilt pathogen, they make use of mechanisms such as indole acetic acid production, siderophore production, phosphate solublilization, systemic resistance induction and antifungal volatile production among others.

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“…A treatment of Crossandra infundibuliformis var.Danica with Trichoderma viride and T.harzianum decreased the wilt diseases which caused by Fusarium oxysporium, and increased the plant growth, both in the field trials and in laboratory alike; that study strongly suggests that the Trichoderma isolates, especially, T.viride can be exploited for the biological control of wilt disease at field level (Jegathambigai and al., 2009). Trichoderma viride and T.harzianum were used in the control against the associated fungi with seeds, including Aspergillus flavus and Fusarium moniliforme; also they were used as anti-fungal against Lasiodiplodia theobroma, Diplodia natalensis, Botryodiplodia theobromae, Rhizoctonia sp, Aspergillus niger, A.tamarii, Penicillium oxalicum, and P.sclerotinum (Calistru and al., 1997;Thangavelu and al., 2004;Okigbo and Okediugwu, 2000;Moreno and Paningbatan, 1995;Mortuza and Ilag, 1999). The Gloicladium and Trichoderma have been mostly were used as biofungicides agents; they showed a high inhibition against certain fungal diseases, their effects were equal or exceeded at, those which were of some chemical pesticides.…”

Section: Introductionmentioning

confidence: 99%

Contribution in isolation and identification of some pathogenic fungi from wheat seeds, and evaluation of antagonistic capability of Trichoderma harzianum against those isolated fungi in vitro.

Mokhtar¹,

Dehimat²

2013

ABJNA

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The aim of this study was to isolate and to identify the pathogenic fungi accompanying interior in hard wheat seeds, and to evaluate the antagonism capability in vitro of (Trichoderma harzianum) against those pathogenic isolated fungi. Three samples of local hard wheat seeds (Triticum durum Desf) were brought from Oum-elbouaghi (Algeria) silos yields, follower for varieties: Vitron, Waha, and Cirta. ).They were stored for one year. The results of isolation on potato-dextroseagar (PDA) medium and after identification of fungal accompanying interior in the seeds clarified about (83) fungus isolates following for species next : Fusarium acuminatum (1 isolate) in a ratio of (1.2%), and Alternaria(82 isolates) with a ratio of (98.795 %).The Alternaria isolates apportioned among two species: Alternaria alternata with 39 isolates(12 isolates for: Alternaria alternata1 and 27 isolates for : Alternaria alternata2) and Alternaria infectoria with 43 isolates).And, besides it was clearly seen that the Cirta variety was a lowest infected with fungi(19 isolates) in ratio of (22.89 %), and both varieties Waha and Vitron with(32 isolates)for each one in a ration equal (38.554 %) . The results of the antagonistic capability in vitro of (Trichoderma harzianum) against isolated fungi, showed that: 1-The direct confrontation in vitro of Trichoderma harzianum against the different fungus isolates on PDA medium, showed that: aIn the fourth day of the experiment, Trichoderma harzianum inhibited the mycelia growth of different pathogenic fungi in dual cultures, with different ratios, it was equal to: 6.66% for Fusarium acuminatum, and 23%, 26.66% and 40% for Alternaria alternata1, Alternaria alternata2, and Alternaria infectoria, respectively. b-The microscopic observations of the different interactions hyphal between Trichoderma harzianum and different fungus isolates, showed that the antagonistic fungus affected on Alternaria species with the decomposition phenomenon (Lyses), where it analyzed the mycelia and spores of Alternaria altrenata2 and Alternaria infectoria, while it analyzed the mycelia of Alternaria alternata1, compared with control. 2-The remote confrontation in vitro of Trichoderma harzianum against the different fungus isolates on PDA medium showed that : a-The volatile metabolic substances of Trichoderma harzianum affected the growth of the different pathogenic fungi, with different ratios over the seven days of treatment, compared with control.b-The microscopic observations Noted that the volatile metabolic substances of Trichoderma harzianum affected some isolated fungi with mycelia analysis prevent the spore's formation of the Alternaria alternata2, while stopped the spore formation of Fusarium acuminatum, compared with control.

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Mass production of Trichoderma harzianum for managing fusarium wilt of banana

Cited by 115 publications

References 20 publications

Distribution of organic metabolites after Fusarium wilt incidence in tomato (Solanum lycopersicum L.)

Distribution of organic metabolites after Fusarium wilt incidence in tomato (Solanum lycopersicum L.)

Integrated Management Strategies for Tomato Fusarium Wilt

Contribution in isolation and identification of some pathogenic fungi from wheat seeds, and evaluation of antagonistic capability of Trichoderma harzianum against those isolated fungi in vitro.

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