International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(9): 2610-2619

Eco-friendly Management of Blast (Magnaporthe oryzae) of Rice
Jiwan Paudel1*, Saroj Belbase1, Shrvan Kumar2, Rivesh Bhushal, Ramu Yadav and Dipak Yadav2
1Rajiv Gandhi South Campus, Banaras Hindu University, Barkachha, Mirzapur 231001, UP, India
2Mycology and Plant Pathology, IAS, Banaras Hindu University, Varanasi-221 005, (U.P.), India
*Corresponding author

Rice blast caused by Magnaporthe grisea (Hebert) Barr (Anamorph: Pyricularia grisea (Cooke) Sacc.) is a key concern in combating global food insecurity given the disease is responsible for approximately 30% of rice production losses globally—the equivalent of feeding 60 million people. This loss increases the global rice price and reduces consumer welfare and food security. Chemicals are commonly applied for controlling rice blast disease, but when chemicals are used indiscriminately, they also pose a serious threat to the environment. Control methods like resistant cultivars, healthy seed, fertilizer management, cultural systems, burning or composting of diseased tissues and chemical control are commonly used. In chemical control uses of any one fungicide i.e. tricyclazole (Beam 75WP)@0.75g/L, edifenphos (Hinosan 35WP) @1g/L, iprobenfos (Kitazin 48EC) 1.0g/L, mancozeb (Dithane M-45) @ 2.5g/L,blasticidin (Bla-S) @ 0.1g / L, thiophanate-methyl (Neotopsin 70WP)@ 0.5g/l, difenconazole (Score 25 EC) @ 1.0g/l, hexaconazole (Contaf 25 EC) @ 1.0g/L, propiconazole (Tilt 25 EC) @ 1.0g/Lhave thepotential to be used as highly effective against rice blast disease.(59.99%). Any oneuses of biopesticides namely, Achook (5ml), Spictaf (4.5 ml), Neem-Azal (3 ml),Neem gold (10 ml) Nimbicidine (5ml), Wanis (5 ml) and tulsi leaf extract (10 ml)and biocontrolagents like P.fluorescens (Bioshield-5ml), Gliocladium virens (Soilgard-5g)and Trichoderma harzianum (Bioderma-5g) Trichoderma viride(Ecoderma-5g)asseed treatment per kg and foliar sprays per liter thrice at tillering, booting and panicle initiation stagemost effective in reducing the disease incidence.Silicon compounds are recognized and classified as biostimulants in rice crop. These are increase defense mechanism against direct penetration of pathogens. So, One foliar spray of KSi @4 g/L or NaSi@0.5g/L should be applied on the 22nd day after emergence. Integrated disease management is the best method to solve problems of pests and it is combination of different methods to control pests in sound environmental management and cost effective way.

Keywords: Rice blast; Magnaporthegrisea; Integrated; Bio control agents
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How to cite this article:

Jiwan Paudel, Saroj Belbase, Shrvan Kumar, Rivesh Bhushal, Ramu Yadav and Dipak Yadav 2019. Eco-friendly Management of Blast (Magnaporthe oryzae) of Rice.Int.J.Curr.Microbiol.App.Sci. 8(9): 2610-2619. doi: