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Palakshappa, M. G.
- Biological Control of Phytophthora Foot Rot (phytophthora Capsici) of Black Pepper (piper Nigrum l.) in Central-western Ghats
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Authors
Affiliations
1 AICRP on Spices, Horticulture Research Station (U.H.S.) Sirsi, UTTARA Kannada Karnataka, IN
2 College of Horticulture (U.H.S.) Sirsi, UTTARA Kannada karnataka, IN
3 AICRP on Sesame and Niger, University of Agricutural Sciences, Dharwad karanataka, IN
4 Indian Institute of Spices Research, Calicut Kerela, IN
1 AICRP on Spices, Horticulture Research Station (U.H.S.) Sirsi, UTTARA Kannada Karnataka, IN
2 College of Horticulture (U.H.S.) Sirsi, UTTARA Kannada karnataka, IN
3 AICRP on Sesame and Niger, University of Agricutural Sciences, Dharwad karanataka, IN
4 Indian Institute of Spices Research, Calicut Kerela, IN
Source
International Journal of Plant Protection, Vol 6, No 1 (2013), Pagination: 139-141Abstract
Phytophthora foot rot (Phytophthora capsici) of black pepper (Piper nigrum L.) is most devastating disease in Uttara Kannada district of Karnataka which is situated in Central Western Ghats. The antagonistic organisms viz., Trichoderma viride, T. harzianum, Laetiseria arvalis, and Bacillus subtilis were tested against P.capsici in pot culture by adding infected material to healthy vine. Among the four bioagents tried, Trichoderam viride and T. harzianum were effective in reducing the incidence of the disease as compared to Laetiseria arvalis, and Bacillus subtilis. The disease incidence was maximum in untreated vines.Keywords
Black Pepper, Trichoderma Viride, T. Harzianum, Laetiseria Arvalis, Bacillus Subtilis, Foot Rot- Integration of Potassium Phosphonate and Bioagent against Phytophthora Foot Rot (phytophthora Capsici leonion) of Black Pepper (piper Nigrum L.) Management in Arecanut Cropping System
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Authors
Affiliations
1 AICRP on Spices, Horticulture Research Station, (U.H.S.) Sirsi, Uttara kannada karnataka, IN
2 College of Horticulture (U.H.S.) Sirsi, Uttara kannada karnataka, IN
3 AICRP on Sesame and Niger, University of Agricutural Sciences, Dharwad karnataka, IN
1 AICRP on Spices, Horticulture Research Station, (U.H.S.) Sirsi, Uttara kannada karnataka, IN
2 College of Horticulture (U.H.S.) Sirsi, Uttara kannada karnataka, IN
3 AICRP on Sesame and Niger, University of Agricutural Sciences, Dharwad karnataka, IN
Source
International Journal of Plant Protection, Vol 6, No 1 (2013), Pagination: 182-184Abstract
Phytophthora foot rot is a serious disease in black pepper in Uttara Kannada district of Karnataka. Application of systemic fungicide, potassium phosphonate @ 0.3 per cent alone as spraying (3 l/vine) and drenching (5 l/vine) or integration of systemic fungicide, potassium phosphonate @ 0.3 per cent as spraying and drenching with bioagent, Trichoderma viride @ 50 g/vine along with 5 kg of farm yard manure to the basin of the black pepper vines during June and August were effective in reduction of disease incidence of Phytophthora foot rot of black pepper.Keywords
Phytophthora Foot Rot, Potassium Phosphonate, Trichoderma Spp- In vitro Evaluation of Bioagents against Anthracose of Chilli Caused by colletotrichum Capsici (syd.) Butler and Bisby
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Authors
Affiliations
1 Department of Plant Pathology, College of Agriculture, University of Agricultural Sciences, Dharwad Karnataka, IN
2 Department of Entomology, College of Agriculture, University of Agricultural Sciences, Dharwad Karnataka, IN
1 Department of Plant Pathology, College of Agriculture, University of Agricultural Sciences, Dharwad Karnataka, IN
2 Department of Entomology, College of Agriculture, University of Agricultural Sciences, Dharwad Karnataka, IN
Source
International Journal of Plant Protection, Vol 6, No 1 (2013), Pagination: 211-212Abstract
The efficacy of bioagents were evaluated for their antagonistic effect against Colletotrichum capsici for radial growth inhibition on the Potato dextrose agar medium using dual culture technique under in vitro condition. Maximum inhibition of mycelial growth was noticed in T. harzianum (71.80%) and was found significantly superior to T. viridae (69.58%). Least inhibition of mycelial growth was observed in B. subtilis (41.02%).Keywords
Chilli, Colletotrichum Capsici, Bioagent, in Vitro, Disease Control- Efficacy of New Fungitoxicant Molecules in Management of Anthracnose (colletotrichum Gloeosporioides penz.) of Arecanut (areca Catechu l.)
Abstract Views :200 |
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Authors
Affiliations
1 AICRP on Spices, Horticulture Research Station, Sirsi, Uttara kannada Karnataka, IN
2 Department of Plant Pathology, College of Forestry, Sirsi ,Uttara kannada Karnataka, IN
3 Deparment of Agronomy, College of Horticulture, Sirsi, Uttara kannada Karnataka, IN
4 AICRP on Seasame and Niger,University of Agricultural Sciences, Dharwad Karnataka, IN
5 Department of Agricultural Microbiology, College of Horticulture, Sirsi, Uttara kannada Karnataka, IN
1 AICRP on Spices, Horticulture Research Station, Sirsi, Uttara kannada Karnataka, IN
2 Department of Plant Pathology, College of Forestry, Sirsi ,Uttara kannada Karnataka, IN
3 Deparment of Agronomy, College of Horticulture, Sirsi, Uttara kannada Karnataka, IN
4 AICRP on Seasame and Niger,University of Agricultural Sciences, Dharwad Karnataka, IN
5 Department of Agricultural Microbiology, College of Horticulture, Sirsi, Uttara kannada Karnataka, IN
Source
International Journal of Plant Protection, Vol 6, No 1 (2013), Pagination: 217-218Abstract
Dropping of immature arecanut due to anthracnose was reduced (15.55 %) by application of difenconazole @ 0.1 per cent twice during April and May, 2009. Hexaconazole @ 0.1% application twice was also effective in reduction (18.88 %) of anthracnose of arecanut during summer. This was followed by Carbendazim + Mancozeb (Saff ) @0.2 % application twice wherein there was reduction of disease 23.32 %. Carbendazim @ 0.1% spraying twice also minimized (26.66%) button dropping of arecanut. However, Copper oxychloride @ 0.3% twice (35.55 %) and Potassium phosphonate @ 0.3% (38.88 %) twice were less effective in control of the disease. Maximum disease incidence was recorded in untreated bunches (55.55 per cent).Keywords
Anthracnose of Arecanut, Fungitoxicant, Colletotrichum Gloeosporioides- Efficacy of pseudomonas Fluorescens in Relation to Diseases Incidence of Soft Rot of Ginger in Uttara Kannada District of Karnataka
Abstract Views :152 |
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Authors
Affiliations
1 AICRP on Spices, Horticulture Research Station (U.H.S.) Sirsi, Uttara kannada Karnataka, IN
2 College of Horticulture (U.H.S.) Sirsi, Uttara kannada Karnataka
3 College of Horticulture (U.H.S.) Sirsi, Uttara kannada Karnataka, IN
4 AICRP on Sesame and Niger, University of Agricutural Sciences, Dharwad Karnataka, IN
5 Indian Institute of Spices Research, Calicut Kerala
1 AICRP on Spices, Horticulture Research Station (U.H.S.) Sirsi, Uttara kannada Karnataka, IN
2 College of Horticulture (U.H.S.) Sirsi, Uttara kannada Karnataka
3 College of Horticulture (U.H.S.) Sirsi, Uttara kannada Karnataka, IN
4 AICRP on Sesame and Niger, University of Agricutural Sciences, Dharwad Karnataka, IN
5 Indian Institute of Spices Research, Calicut Kerala