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Lokesh, M. S.
- 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- Efficacy of New Fungitoxicant Molecules in Management of Anthracnose (colletotrichum Gloeosporioides penz.) of Arecanut (areca Catechu l.)
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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
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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
Source
International Journal of Plant Protection, Vol 6, No 1 (2013), Pagination: 221-222Abstract
Ginger (Zingiber officinale Roscoe.) an important spice crop is seriously damaged during monsoon by soft rot causing organism, Pythium aphanidermatum (Edson.) Fliz. in Uttara Kannada district of Karnataka. Application of Pseudomonas fluorescens (@ 1 per cent at 108 cfu) as seed treatment and three sprays at 15 days interval from 30 days after planting showed reduced incidence of soft rot disease and improved the vigour and yield of the crop.Keywords
Ginger Soft Rot, Pseudomonas Fluorescens, Trichoderma Harzianum, Bordeaux Mixture, Copper Oxychloride- Morphological, Cultural and Physiological Characterization of colletotrichum Gloeosporioides (penz.) Penz. and Sacc., the Cause of Anthracnose of Pomegranate (punica Granatum l.)
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Authors
A. Prashantha
1,
Arun R. Sataraddi
2,
S. V. Patil
3,
M. S. Lokesh
4,
S. B. Gurumurthy
1,
K. Chandan
1
Affiliations
1 College of Horticulture, [U.H.S.(B)], Sirsi, Uttara Kannada Karnataka, IN
2 Department of Plant Pathology, College of Agriculture, [U.A.S.(D.)],Bijapur Karnataka, IN
3 AICRP on Spices, Horticulture Research Station [U.H.S.(B.)], Sirsi, Uttara Kannada Karnataka, IN
4 College of Horticulture, [U.H.S.(B)], Sirsi, Uttara Kannada Karnataka
1 College of Horticulture, [U.H.S.(B)], Sirsi, Uttara Kannada Karnataka, IN
2 Department of Plant Pathology, College of Agriculture, [U.A.S.(D.)],Bijapur Karnataka, IN
3 AICRP on Spices, Horticulture Research Station [U.H.S.(B.)], Sirsi, Uttara Kannada Karnataka, IN
4 College of Horticulture, [U.H.S.(B)], Sirsi, Uttara Kannada Karnataka
Source
International Journal of Plant Protection, Vol 6, No 2 (2013), Pagination: 247-252Abstract
The severity of pomegranate anthracnose was more in Bagalkot district (35.84%) followed by Koppal (27.22%), Bijapur (24.85%) and Raichur (18.14%) districts. The identity of the fungus was confirmed as Colletotrichum gloeosporioides (Penz.) Penz. and Sacc and deposited at NCFT, New Dehli. The isolates of C. gloeosporioides showed maximum growth on Potato dextrose agar and Richard's broth on 13 th day after incubation at 27±1oC. There was variability among eight isolates of C. gloeosporioides with respect to type of growth, mycelial colour, pigmentation, size of the spore and sporulation. The highest radial growth and sporulation of the fungus was recorded at 30 oC, with 100 per cent relativKeywords
Pomegranate, Anthracnose colletotrichumgloeosporioides- Effect of Chemicals Inducing Systemic Resistance and Efficacy of Bioagents and Botanicals against Pomegranate (punica Granatum l.) Anthracnose (colletotrichum Gloeosporioides (penz.) Penz. and Sacc.)
Abstract Views :280 |
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Authors
A. Prashantha
1,
Arun R. Sataraddi
2,
S. V. Patil
1,
M. S. Lokesh
3,
K. Chandan
4,
S. B. Gurumurthy
4
Affiliations
1 College of Horticulture [U.H.S.(B)], Sirsi, Uttara khannada Karnataka, IN
2 College of Agriculture, University of Agricultural Sciences, Dharwad Karnataka, IN
3 AICRP on Spices Horticulture Research Station [U.H.S.(B.)], Sirsi, Uttara kannada Karnataka, IN
4 College of Horticulture [U.H.S.(B)], Sirsi, Uttara kannada Karnataka, IN
1 College of Horticulture [U.H.S.(B)], Sirsi, Uttara khannada Karnataka, IN
2 College of Agriculture, University of Agricultural Sciences, Dharwad Karnataka, IN
3 AICRP on Spices Horticulture Research Station [U.H.S.(B.)], Sirsi, Uttara kannada Karnataka, IN
4 College of Horticulture [U.H.S.(B)], Sirsi, Uttara kannada Karnataka, IN