Management of blast (<i>Pyricularia grisea</i>) of finger millet with fungicides and biocontrol agents

Prajapati, V. P.; Chaudhary, R. F.; Deshmukh, A. J.; Bambharolia, R. P.; Gajre, N. K.

doi:10.5958/2249-8788.2020.00007.4

Cited by 4 publications

(4 citation statements)

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“…"The fungicides tricyclazole and propiconazole could be effective in controlling blast disease of rice and finger millet" [11][12][13]. "Seed treatment with carbendazim plus two sprays of tricyclazole was found effective in reducing the incidence of finger millet blast" [14]. The efficacy of TNAU-Pf1 against blast disease may be attributed to the induction of systemic resistance.…”

Section: Resultsmentioning

confidence: 99%

Integrated Management of Blast Disease in Finger Millet

Anand,

Senthilraja,

Senthilkumar

2023

IJECC

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Aims: To test the effect of bacterial biocontrol agents (Pseudomonas-TNAU-Pf1) and fungicides (Tricyclazole) individually and their integration as seed treatment and foliar spray against finger millet blast under field conditions. Study Design: The field experiments were conducted in a Randomized Block design. Place and Duration of Study: The experiments were conducted at the Regional Research Station farm, Tamil Nadu Agricultural University, Paiyur, Krishnagiri District, Tamil Nadu, India, during 2016-17 and 2017-18. Methodology: Two field experiments were conducted to evaluate the efficacy of talc-based formulation of Pseudomonas -TNAU-Pf1 and Tricyclazole individually and in combination as seed treatment and foliar application for the management of finger millet blast with five treatments and four replications using a variety Paiyur 2. The bioagent and the fungicide were applied as seed treatment and foliar spray. Results: The results revealed that seed treatment with talc-based formulation of Pseudomonas -TNAU-Pf1 (10g/kg) plus two sprays of tricyclazole (0.1%) one at the maximum tillering phase and another at the heading phase was significantly most effective in reducing leaf, neck and finger blast in both the seasons. The treatment recorded 1.65 and 1.25PDI of leaf blast, 0.33 and 0.22% of neck and 2.55 and 1.33% of finger blast in the first and second season, respectively. The treatment also recorded highest grain yield of 2663 and 2543 kg/ha with BC ratio of 1:3.94 and 1:3.85 in the first and second season, respectively. Conclusion: Seed treatment with Pseudomonas TNAU-Pf1 (10g/kg) plus two sprays of tricyclazole (0.1%) was found to be effective in reducing the incidence of blast disease and increasing grain yield in finger millet.

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Section: Resultsmentioning

confidence: 99%

Integrated Management of Blast Disease in Finger Millet

Anand,

Senthilraja,

Senthilkumar

2023

IJECC

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“…In addition biological control using PGPR represent a potentially attractive, alternative disease management approach, which are known for growth promotion and disease protection against several plant pathogens. Prajapati et al (2020) studied the management of finger millet blast disease with fungicides and bioagents as seed treatment as well as foliar spray. Among all the tested fungicides and bioagents, seed treatment with carbendazim, 2 g/kg seed + 2 sprays of tricyclazole, seed treatment with carbendazim, 2 g/kg seed + 2 sprays of tebuconazole and seed treatment with Pseudomonas fluorescens, 10 g/kg seed + 2 sprays of P. fluorescens significantly control the blast disease of finger millet also promoted grain and fodder yield.…”

Section: Management Through Bio-agentsmentioning

confidence: 99%

“…Finger millet (Eleusine coracana) is popularly known as ragi. Karnataka, Tamil Nadu andhra Pradesh, Orissa, Maharashtra, Uttar Pradesh, Bihar and Gujarat are major finger millet growing states in India and together contribute for more than 95 per cent of the total area under finger millet and more than 98.13 per cent of the total production in the country (Prajapati, 2020). The outer layer of the grain or the seed coat contains dietary fiber, minerals, phenolics and vitamins hence the use of millets as whole grain provides essential nutrients and also offer health benefits.…”

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confidence: 99%

Bio-agents for the Management of Blast Disease of Finger Millet (Eleusine coracana): A Brief Review

Navya,

Kudsi

et al. 2023

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Finger millet (Eleusine coracana) is one of the major staple food in India. the crop yield and its quality is affected by numerous factors including pre and post-harvest pathogens, poor storage conditions, improper irrigation practices and others. Among different phytopathogens which attack the Pyricularia grisea affects major yield loss in finger millet and many researchers developed potential management strategies to combat against target pathogen. This review deals with the overall information available for the utilization of bio-agents, against blast pathogen. Various researchers reported utilization of bio-agents is an effective management strategy against blast pathogen also economical and environmentally safe. In this review we made an attempt to present detailed overview potential utilization of bio-agents in supressing Pyricularia grisea.

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“…Numerous strategies to effectively reach pests control have been recently reported (Cortez Hernandez et al 2019, Prajapati et al 2020, Vázquez-Sánchez et al, 2018, however, chemical control is the principal practice adopted by producers in our country (Tierra Viva 2021). In Argentina, the only pesticide registered for the chemical control of soil pests in vegetables is chlorpyrifos (Cichon 2017).…”

Section: )mentioning

confidence: 99%

In vitro compatibility of Brassicaceae extracts with nematophagous fungi and their effects against Nacobbus celatus

Sosa

Girardi

Rosso

et al. 2022

World J Microbiol Biotechnol

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Nacobbus celatus sp. n. is one of the main root-knot nematodes in the eld destined for horticultural production of the central region of Argentine due to its ability to infect several host plants. The lack of new and safe active ingredients against this nematode has restricted control alternatives for growers. Egg-parasitic fungi and biofumigation with brassicaceae have been considered as potential candidates for the development of bionematicides. Nematicidal effects of Brassica oleracea var. italic (broccoli) and Brassica oleracea var. capitata (cabbage) aqueous extracts (AEs) against second-stage juveniles (J2) of N. celatus were evaluated in vitro. Fisher LSD tests evidenced signi cant nematicidal (α = 0.05) effects of the two AEs tested, with LD100 of 250 and 500 µL mL − 1 for broccoli and cabbage, respectively. Compatibility assays between AEs and ve nematophagous fungi were performed on soil extract solid medium (SESM) conditioned at 0.99 water activity and incubated at 30, 25 and 20°C. Purpureocillium lilacinum SR14 was the fungal strain that showed compatibility at levels of spore viability, growth rate and conidia productions at LD 50 (125 µL mL − 1 ) and LD 25 (60 µL mL − 1 ) of broccoli aqueous extract (BAE) y enhanced the nematophagous effect. Moreover, phytotoxic studies revealed that the 125 of BAE applied at the transplantation time could be safely used without affecting tomato culture. In conclusion, the integrated application of BAE with the nematophagous fungus, which combines two action mechanisms, represent a promising integrated strategy to control phytoparasitic nematodes.

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Management of blast (Pyricularia grisea) of finger millet with fungicides and biocontrol agents

Cited by 4 publications

References 0 publications

Integrated Management of Blast Disease in Finger Millet

Integrated Management of Blast Disease in Finger Millet

Bio-agents for the Management of Blast Disease of Finger Millet (Eleusine coracana): A Brief Review

In vitro compatibility of Brassicaceae extracts with nematophagous fungi and their effects against Nacobbus celatus

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