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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(4): 2175-2185
DOI: https://doi.org/10.20546/ijcmas.2018.704.247


Damping Off in Chilli and Its Biological Management-A Review
Misba Majeed1, G. Hassan Mir1, Mudasir Hassan1, Fayaz A. Mohuiddin1, Shazia Paswal2 and Saima Farooq2
1Division of Plant Pathology
2Division of Plant Pathology, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, 180009, India
*Corresponding author
Abstract:

Chilli (Capsicum annuum L.) is one of the most important vegetable crop grown in India for both unripe (green) and ripe (red) fruit. Chilli crop is attacked by several diseases viz. damping-off, wilt, anthracnose, die back, root rot, bacterial wilt etc. Among the fungal diseases, damping-off caused by Pythium aphanidermatum (Edson) Fitz. in nurseries is a major constraint in chilli production causing 62% mortality of seedlings and is responsible for 90 per cent of plant death either as pre or post-emergence damping off in the nursery fields and is very common problem in fields and greenhouse, where the organism kills newly emerged seedlings. Traditionally, this disease is controlled by the application of synthetic fungicides like azoxystrobin (strobilurin), fosetyl-aluminum (alkyl phosphonate), mefenoxam and metalaxyl (acylanilide), etridiazole (triadiazole), and propamocarb (carbamate) but phytotoxicity by these fungicide residues are major problems. For this reason, a number of restrictions are imposed in the licensing, registering and using of each chemical. Development of fungicide resistance by Pythium spp. further discourages its use for disease control. Other control measures like host resistance has not yet become a viable measure. No resistant variety has yet been developed and released against these soil borne pathogens causing damping-off at seedling stage. Hence, such situations have prompted researchers to look out for alternate strategies for managing the disease. One of the key elements of such sustainable agriculture is the application of biological controlling strategies, for plant protection. Biological control has been known since 1874, when Roberts showed the suppressive activity of Penicillium glaucum against bacteria and regarded this phenomenon as antagonism. The soil has an enormous untapped potential of antagonistic microbes such as Trichoderma spp., Bacillus spp., and the fluorescent pseudomonads, which show antagonistic effects against soil borne plant pathogenic organisms such as Pythium spp.


Keywords: Bacillus, Damping off, Penicillium glaucum, Pythium, Trichoderma
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How to cite this article:

Misba Majeed, G. Hassan Mir, Mudasir Hassan, Fayaz A. Mohuiddin, Shazia Paswal and Saima Farooq. 2018. Damping Off in Chilli and Its Biological Management-A Review.Int.J.Curr.Microbiol.App.Sci. 7(4): 2175-2185. doi: https://doi.org/10.20546/ijcmas.2018.704.247