Integrated Management of Dry Root Rot of  Blackgram Caused by Rhizoctonia bataticola

Kulkarni, Sunil; Shobharani, M.; ja, Ra

doi:10.20546/ijcmas.2019.808.098

Cited by 5 publications

(2 citation statements)

References 3 publications

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“…In mungbean, yield losses of up to 44% in Pakistan (Bashir & Malik, 1988) and 30% in India (Sharma & Singh, 2001) due to dry root rot have been estimated. In urdbean, dry root rot caused around 40% disease incidence in Indian climatic conditions (Indira & Gayatri, 2003) and 29% yield loss (Kulkarni et al, 2019).…”

Section: Significance Of M Phaseolina From Seed To Harvestmentioning

confidence: 99%

Macrophomina phaseolina–host interface: Insights into an emerging dry root rot pathogen of mungbean and urdbean, and its mitigation strategies

et al. 2021

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Worldwide, dry root rot (also known as charcoal or crown root rot), caused by Macrophomina phaseolina, is an important disease affecting many plantation, arable, and horticultural crops including cereals and legumes (Iqbal & Mukhtar, 2014). Among the leguminous crops, dry root rot causes substantial yield losses in chickpea and soybean (Gupta et al., 2012a;Sharma et al., 2012). Mungbean (Vigna radiata) and urdbean (Vigna mungo), also known as green gram and black gram, respectively, are important leguminous crops in South Asia and other parts of the world. Worldwide, the total area under mungbean and urdbean cultivation is about 6 and 4 million ha, with total production of 3 and 2 million tonnes, respectively (Das et al., 2020;Veni et al., 2016). Both mungbean and urdbean are a rich source of key essential nutrients and dietary protein (AVRDC, 2012;Veni et al., 2016). Dry root rot is favoured by warm climatic conditions and water stress and has become a major disease of mungbean and urdbean in Myanmar, and an emerging disease in other South Asian

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Section: Significance Of M Phaseolina From Seed To Harvestmentioning

confidence: 99%

Macrophomina phaseolina–host interface: Insights into an emerging dry root rot pathogen of mungbean and urdbean, and its mitigation strategies

et al. 2021

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“…Among them, Macrophomina phaseolina and Fusarium oxysporum are more destructive and known to cause more than 60% yield loss [3]. The occurrence of the pathogen is influenced by two factors: high soil temperature and low soil moisture level [4].…”

Section: Introductionmentioning

confidence: 99%

Harnessing the Antifungal Potential of Seed Bacteriome against Major Seed and Soil-borne Pathogens in Blackgram

K. C.,

Lakshmi,

Anand

et al. 2023

IJECC

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Blackgram is an important pulse crop in India. One of the major constraints on blackgram production is the attack of pathogens, which leads to yield loss. Nowadays, with the understanding of harmful effects of chemical fungicides, biocontrol methods are gaining more importance. One such method is biopriming with endophytes to control pathogens and enhance yield. In the present study, the endophytes of blackgram seeds was explored and tested for its biocontrol potential against major seed- and soil-borne pathogens and growth promotion in blackgram. A total of 14 bacterial endophytic isolates were obtained and screened against Macropomina phaseolina and Fusarium oxysporum. Among them, BSE5 isolate was proven to be more efficient in inhibiting the mycelial growth of M. phaseolina and F. oxysporum, with per cent inhibition of 22.5 and 50.6, respectively, following BSE9. Both the isolates showed improved plant growth parameters like germination percentage, root length, shoot length, dry matter production and vigour index. Molecular characterisation of BSE5 and BSE9 confirmed that the isolates are Pseudomonas aeruginosa and Bacillus xiamenensis.

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Harnessing Trichoderma asperellum: Tri‐Trophic Interactions for Enhanced Black Gram Growth and Root Rot Resilience

Vijayakumar,

Appusami,

Anbazhagan

et al. 2024

Journal of Basic Microbiology

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Root rot caused by Macrophomina phaseolina, a common soil‐borne disease in black gram, is managed with chemical fungicides, leading to toxicity and degradation of beneficial soil microbes. Existing bioagents, like talc formulation, cause leaching, clogging, and reduced productivity. The development of liquid bio‐formulation via drip irrigation is crucial to mitigate biotic stress and maximize yield. This study aims to investigate the efficacy and survivability of liquid formulation of Trichoderma asperellum against root rot and its growth promotion. The results showed that Tv1 effectively inhibited M. phaseolina (66.67%), under in vitro condition. The vigor index of 4025.00 and the spore load of 1 × 108 cfu/mL were recorded from plant growth promotion and spermosphere study @ 5 mL/kg of seeds with formulation. The study found that combined application of seed treatment @ 5 mL/kg of seed and soil application @ 10 mL/L of water significantly reduced disease incidence (9.1%) against control (74.3%), with increased biomass index. There are 32 mVOCs profiled during the tritrophic interaction in roots of black gram and they were up or downregulated, viz., mollugin, pentadecanoic acid, cyclopropaneoctanoic acid, 2‐octyl‐, methyl ester, rhodopin, dodecanoic acid, 1,2,3‐propanetriyl ester by involved in defense mechanism and biosynthetic pathways like jasmonic acid, glyconeogenic and act as acyl‐CoA: acyltransferase 2 inhibitor. The results of this study confirmed that liquid formulation performs better in growth promotion, survivability on seed surface, and managing root rot of black gram compared talc‐based formulation.

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Integrated Management of Dry Root Rot of Blackgram Caused by Rhizoctonia bataticola

Cited by 5 publications

References 3 publications

Macrophomina phaseolina–host interface: Insights into an emerging dry root rot pathogen of mungbean and urdbean, and its mitigation strategies

Macrophomina phaseolina–host interface: Insights into an emerging dry root rot pathogen of mungbean and urdbean, and its mitigation strategies

Harnessing the Antifungal Potential of Seed Bacteriome against Major Seed and Soil-borne Pathogens in Blackgram

Harnessing Trichoderma asperellum: Tri‐Trophic Interactions for Enhanced Black Gram Growth and Root Rot Resilience

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