Development of UV-induced Carbendazim-resistant mutants of Trichoderma harzianum for integrated control of damping-off disease of cotton caused by Rhizoctonia solani

2003 ◽  
Vol 110 (5) ◽  
pp. 449-460 ◽  
Author(s):  
J. Jayaraj ◽  
N. V. Radhakrishnan
Keyword(s):  
Rhizoctonia Solani ◽  
Trichoderma Harzianum ◽  
Integrated Control ◽  
Damping Off ◽  
Resistant Mutants

scholarly journals Application of plant extracts and Trichoderma harzianum for the management of tomato seedling damping-off caused by Rhizoctonia solani

2020 ◽  
Vol 116 (11/12) ◽  
Author(s):  
Mapula T.P. Hlokwe ◽  
Mapotso Kena ◽  
David N. Mamphiswana
Keyword(s):  
Biological Control ◽  
Rhizoctonia Solani ◽  
Plant Extracts ◽  
Trichoderma Harzianum ◽  
Moringa Oleifera ◽  
Plant Diseases ◽  
Yield Reduction ◽  
Biotic Factors ◽  
Damping Off ◽  
Tomato Seedling

Seedling production under smallholder farming systems can be negatively affected by both abiotic and biotic factors. Seedling damping-off caused by Rhizoctonia solani is one of the major biotic factors which causes significant yield reduction. Management is mainly based on the application of synthetic fungicides and cultural practices. However, both methods have limitations which result in their inefficiency. Several studies have reported on the use of plant extracts and biological control to manage plant diseases. The aim of this study was to formulate an effective and practical approach to manage tomato seedling dampingoff using extracts of Monsonia burkeana and Moringa oleifera and a biological control agent Trichoderma harzianum. The efficacy of both extracts was investigated under laboratory conditions to determine the most suppressive concentration to R. solani growth. Methanolic extracts from both plants significantly suppressed pathogen growth at different concentrations. M. burkeana significantly reduced R. solani growth at 8 g/mL (71%) relative to control whilst Moringa oleifera extract reduced pathogen growth by 60% at a concentration of 6 g/mL. The highest suppressive concentrations were further evaluated under greenhouse conditions to test their efficacy on seedling damping-off. In damping-off treatments, both plant extracts and T. harzianum also significantly reduced (p=0.5) pre- and post-emergence dampingoff incidence. M. burkeana recorded the highest suppression at 78%, followed by M. oleifera at 64%. Trichoderma harzianum reduced incidence of damping-off by 60% and this was higher than both plant extract treatments.

scholarly journals Liquid culture production of microsclerotia and submerged conidia by Trichoderma harzianum active against damping-off disease caused by Rhizoctonia solani

2015 ◽  
Vol 119 (4) ◽  
pp. 179-190 ◽  
Author(s):  
Nilce N. Kobori ◽  
Gabriel M. Mascarin ◽  
Mark A. Jackson ◽  
David A. Schisler
Keyword(s):  
Rhizoctonia Solani ◽  
Trichoderma Harzianum ◽  
Liquid Culture ◽  
Damping Off ◽  
Culture Production

Integrated control of Rhizoctonia solani by methyl bromide and Trichoderma harzianum

1985 ◽  
Vol 34 (1) ◽  
pp. 146-151 ◽  
Author(s):  
Y. STRASHNOW ◽  
Y. ELAD ◽  
A. SIVAN ◽  
I. CHET
Keyword(s):  
Rhizoctonia Solani ◽  
Methyl Bromide ◽  
Trichoderma Harzianum ◽  
Integrated Control
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