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Dutta, Pranab
- Efficacy of Bioformulations Against Bacterial Wilt of Tomato Caused by Ralstonia solanacearum
Abstract Views :289 |
PDF Views:171
Authors
Affiliations
1 Krishi Vigyan Kendra, West Tripura, P. O. Chebri, Khowai, Tripura 799 207, IN
1 Krishi Vigyan Kendra, West Tripura, P. O. Chebri, Khowai, Tripura 799 207, IN
Source
Journal of Biological Control, Vol 27, No 1 (2013), Pagination: 64-66Abstract
Bacterial wilt of tomato caused by Ralstonia solanacearum is the dreaded diseases causing severe yield loss (25-75%) in farmers field. A field experiment at demonstration farm of KVK West Tripura was conducted for the evaluation different chemicals, botanicals and bioformulation against the disease. The study revealed that all the treatments were significantly effective over the control. However, soil drench with antibiotic @ 100 ppm was found best with lowest (23.6%) disease incidence and highest yield (228.2 q/ha). This was followed by copper oxychloride in terms of disease incidence (28.4%) and Biofor Pf in terms of yield (220.6 q/ha). Highest disease incidence (78.67%) with lowest yield(86.5 q/ha) was recorded in control plot.Keywords
Bacterial Wilt, Management, Tomato.References
- Anonymous 2005. Package of practices for horticultural crops of Assam. Published by Department of Agriculture, Assam and Assam Agricultural University, Jorhat. pp. 193.
- Anonymous 2008. Biofor Pf-2: An organic biopesticide for management of ginger rot and wilt disease of tomato, brinjal, potato and chilli. Assam Agricultural University, Jorhat 785 013.
- Biswas S, Singh NP. 2008. Integrated management of wilt of tomato caused by Ralstonia solanacearum. J Mycol Pl Pathol. 38(1): 18–20.
- Ciampi L, Burzio LO, Burzio LA. 1997. Carriers for Pseudomonas fluorescens, antagonistic to Pseudomonas (Ralstonia) solanacearum causal agent to bacterial wilt. Fitopatologia 32: 64–70.
- Dubey LN, Das KK, Hazarika DK. 1996. Evaluation of some chemicals against bacterial wilt of sesamum. J Mycol Pl Pathol. 26: 94–95.
- Dutta P, Neog K, Das R, Handique PK, Chakraborty R. 2009. Evaluation of some botanicals, antibiotics, carbon sources and carrier against the bacterial disease of muga silkworm, Antheraea assamensis. Sericol. 50(1): 113–122.
- Jha G, Bhat V, Anjaiah V. 2005. Root growth promoting activity of some rhizobacterial strains on tomato plants. Indian Phytopath. 58(4): 462–465.
- Kishore V, Shekhawat GS, Sunaina V. 1996. Cultural practices to reduce Pseudomonas solanacearum in the infested soil. J Ind Potato Assoc. 23: 130–133.
- Kumar P, Sood AK. 2001. Integration of antagonistic rhizobacteria and soil solarization for the management of bacterial wilt of tomato caused by Ralstonia solanacearum. Ind Phytopath. 54(1): 12–15.
- Mew TW, Ho WC. 1976. Varietal resistance to bacterial wilt in tomato. Pl Dis Rptr. 60: 264–268.
- Rao, MVB, Sohi HS. 1977. Control of bacterial wilt of Brinjal. Indian Hort. 22: 11–13.
- Shekhawat GS, Gadewar AV, Chakraborti SK. 1992. Bacterial Wilt Newsletter ACIAR, 8: 5–6.
- Management of Bacterial Wilt of Tomato through an Innovative Approach
Abstract Views :224 |
PDF Views:268
Authors
Affiliations
1 Department of Plant Pathology, Assam Agricultural University, Jorhat 785 013, Assam, IN
1 Department of Plant Pathology, Assam Agricultural University, Jorhat 785 013, Assam, IN
Source
Journal of Biological Control, Vol 26, No 3 (2012), Pagination: 288–290Abstract
Bacterial wilt of tomato caused by Ralstonia solanacearum is dreaded disease causing severe yield loss (25-75%) in farmer's field. A field experiment at demonstration farm of KVK West Tripura was conducted for evaluation of different chemicals, botanicals and bioformulation against the disease. The study revealed that all the treatments were significantly effective over the control. However, soil drench with antibiotic @ 100 ppm was found best with lowest (23.6%) disease incidence and highest yield (228.2 q/ha). This was followed by Copper Oxychloride in terms of disease incidence (28.4%) and Biofor Pf in terms of yield (220.6 q/ha). Highest disease incidence (78.67%) with lowest yield (86.5 q/ha) was recorded in control plot.Keywords
Bacterial Wilt, Management, Tomato.Full Text
UntitledReferences
- Anonymous 2005. Package of practices for horticulturalcrops of Assam. Published by Department ofAgriculture, Assam and Assam Agricultural University,Jorhat. pp. 193.
- Anonymous 2008. Biofor Pf-2: An organic biopesticidefor management of ginger rot and wilt disease oftomato, brinjal, potato and chilli. Published byDepartment of Plant Pathology, Assam AgriculturalUniversity, Jorhat 785 013.
- Biswas S, Singh NP. 2008. Integrated management of Wiltof tomato caused by Ralstonia solanacearum. J MycolPl Pathol. 38(1): 18–20.
- Ciampi L, Burzio LO, Burzio LA. 1997. Carriers forPseudomonas fluorescens, antagonistic to Pseudomonas(Ralstonia) solanacearum causal agent to bacterialwilt. Fitopathol. 32: 64–70.
- Dubey LN, Das KK, Hazarika DK. 1996. Evaluation ofsome chemicals against bacterial wilt of sesamum. J Mycol Pl Pathol. 26: 94–95.
- Dutta P, Neog K, Das R, Handique PK, Chakraborty R. 2009. Evaluation of some botanicals, antibiotics,carbon sources and carrier against the bacterial diseaseof muga silkworm, Antheraea assamensis. Sericol. 50(1): 113–122.
- Jha G, Bhat V, Anjaiah V. 2005. Root growth promotingactivity of some rhizobacterial strains on tomatoplants. Indian Phytopath. 58(4): 462–465.
- Kishore V, Shekhawat GS, Sunaina V. 1996. Culturalpractices to reduce Pseudomonas solanacearumin the infested soil. J Indian Potato Assoc. 23: 130–133.
- Kumar P, Sood AK. 2001. Integration of antagonisticrhizobacteria and soil solarization for the managementof bacterial wilt of tomato caused by Ralstoniasolanacearum. Indian Phytopath. 54 (1): 12–15.
- Mew TW, Ho WC. 1976. Varietal resistance to bacterialwilt in tomato. Plt Dis Rptr. 60: 264–268.
- Rao, MVB, Sohi HS. 1977. Control of bacterial wilt ofBrinjal . Indian Hort. 22: 11–13.
- Shekhawat GS, Gadewar AV and Chakraborti SK. 1992. Bacterial Wilt Newsletter ACIAR, 8: 5–6.
- Mass Production of Beauveria bassiana (Bals.)Vuill. for the Management of Rice Hispa, Dicladispa armigera (Olivier)
Abstract Views :411 |
PDF Views:253
Authors
Affiliations
1 Department of Entomology, Assam Agricultural University (AAU), Jorhat 785 013, Assam, IN
2 Department of Life Sciences, Dibrugarh University, Dibrugarh 786 004, Assam, IN
3 Department of Plant Pathology, AAU, Jorhat 785 013, Assam, IN
1 Department of Entomology, Assam Agricultural University (AAU), Jorhat 785 013, Assam, IN
2 Department of Life Sciences, Dibrugarh University, Dibrugarh 786 004, Assam, IN
3 Department of Plant Pathology, AAU, Jorhat 785 013, Assam, IN
Source
Journal of Biological Control, Vol 26, No 4 (2012), Pagination: 347–350Abstract
Potato broth, rice gruel, coconut water, rice husk, sawdust and rice bran were evaluated for mass culturing of Beauveria bassiana (Bals.) Vuill (Strain AAU-09). Amongst the solid media rice husk in addition of 2% dextrose was superior to others in terms of spore production (6.25 x 107 conidia/ml) and pathogenicity (86.67%) to Dicladispa armigera (Olivier) adults. Likewise, amongst the liquid media potato broth supplemented with synthetic chitin (2%), dextrose (2%) and peptone (2%) supported maximum spore production.Keywords
Entomopathogenic Fungi, Beauveria bassiana, Mass Production, Pathogenicity, Spore Production.References
- Alves SB, Pereria RM. 1989. Production of Metarhizium anisopliae and Beauveria bassiana, Ecosustania 14: 188–192.
- Avery PB, Faulla J, Simmands MSJ. 2004. Effect of different photoperiods on the infectivity and colonization of Paecilomyces fumosoroseus, J Insect Sci. 4: 38.
- Babu V, Murugan S, Thangaraja P. 2001. Laboratory studies on the efficacy of neem and the entomopathogenic fungus Beauveria bassiana on Spodoptera litura. Entomon 56: 56–63.
- Campbell RK, Peering TM, Branes GL, Ekienbary RD, Gentry CR. 1978. Growth and sporulation of Beauveria bassiana and Metarhizium anisopliae on media containing various amino acides. J Inv Pathol. 31: 289–295.
- Farron P. 1978. Biological control of insect pest of rice by entomopathogenic fungi. Ann Rev Entomol. 23: 409.
- Filho AB, Bastos BP, Saad MC. 1988. Producaode fungus entomopathoge niccos a nivel de propriedae agrico la. Biologico. 54: 55–57.
- Grimm C, Guharay F. 1998. Control of leaf-footed bug Leptoglossus zonatus and shield-backed bug Pachycoris klugii in the entomopathogenic fungi. Biocontrol Sci Tech. 8: 365–376.
- Hazarika LK, Puzari KC. 1995. White muscardine fungus, (Beauveria bassiana) pathogenic to different stages of rice hispa (Dicladispa armigera). Indian J Agric Sci. 65: 63–67.
- Hazarika LK, Puzari KC. 1990. Beauveria bassiana (Bals.) Vuil for biological control of rice hispa in Assam, India. Int Rice Res Newsl. 15: 30–31.
- Mazumder D, Puzari KC, Hazarika LK. 1995. Mass production of Beauveria bassiana and its potentiality in rice hispa. Indian Phytopathol. 48(3): 275–278.
- Miranpuri GS, Khachatourians GG. 1995. Entomopathogenicity of Beauveria bassiana toward flea beetles, Phyllotreta cruciferae Goeze (Coleoptera: Chrysomelidae). J Appl Entomol. 119: 167–170.
- Noris RF, Chen EPS, Kong MM. 2002. Concepts of integrated pest management. Prentice Hall of India Private limited, New Delhi. Published by Kalayani Publishers, New Delhi.
- Pandit NC, Som D. 1988. Culture of Beauveria bassiana and pathogenicity to insect pest of jute (Corchorus cpsularis and C. olitorius) and mesta (Hibiscus cannabinus and H. sabdriffa). Indian J Agric Sci. 58: 75–76.
- Patel KC, Yadaw DV, Dube HC, Patel RJ. 1990. Laboratory and mass production studies with Metarhizium anisopliae. Ann Biol. 6: 135–138.
- Pham TA, Kim JJ, Kim GS, Kim K. 2009. Production blastospore of entomopathogenic Beauveria bassiana in a submerged batch culture. Mycobiol. 37(3): 218–224.
- Puzari KC, Hazarika LK. 1991. Effect of Beauveria bassiana combined with various stikers or spreaders against rice hispa. Intl Rice Res Newsl. 16: 21.
- Sahayayaraj K, Namasivayam S, Karthick R. 2008. Mass production of entomopathogenic fungi using agricultural products and by products. African J Biotech. 7(12): 1907–1910.
- Smith RJ, Grula EA. 1981. Nutritional requirement for conidial germination and hyphal growth of Beauveria bassiana. J Inv Pathol. 37: 25–28.
- Sudharam K, Peethambaran B. 2000. A simple technique for mass culturing Fusarium pallidososeum Coke (Sacc) an entomopathogenic fungus infecting pea aphid. Insect Env. 6(1).
- Eco-Friendly Strategies for Management of Sclerotinia Rot of French Bean
Abstract Views :204 |
PDF Views:109
Authors
Affiliations
1 Department of Plant Pathology, Assam Agricultural University, Jorhat, 785013, Assam, IN
2 Department of Life Sciences, Dibrugarh University, Dibrugarh, 786001, Assam, IN
1 Department of Plant Pathology, Assam Agricultural University, Jorhat, 785013, Assam, IN
2 Department of Life Sciences, Dibrugarh University, Dibrugarh, 786001, Assam, IN
Source
Journal of Biological Control, Vol 22, No 2 (2008), Pagination: 405-410Abstract
Sclerotinia rot caused by Sclerotinia sclerotiorum is a serious menace to the cultivation of french bean (Phaseolus vulgaris L.) in Assam. In vitro efficacy of antagonist by dual culture method was tested against S. sclerotiorum. Out of all the antagonists Pseudomonas fluorescens was found best causing growth reduction of 64.93 per cent followed by Bacillus snbtilis (62.86 %) and Trichoderma harzianum (59.08 %). Study on the mode of parasitism showed that the fungal antagonist initially caused coining and then lysed the pathogen hyphae and the bacterial antagonist ceased pathogen growth after coming in contact with the pathogen. Effect of fungal antagonist T. harzianum and bacterial antagonist's B. subtilis and P. fluorescens as seed treatment against Sclerotinia rot was evaluated under field conditions. Seed treatment with T. harzianum was found has most effective in improving seed germination (18.43%), reducing 90.46% infection and increasing yield (69.51%) over control plot. Efficacy of B. subtilis and P. fluorescence as seed treatment against the disease was next to T. harzianum treatment respectively.Keywords
Antagonist, Biological Control, French Bean, Seed Treatment, Sclerotinia Rot.- In Vitro Inhibition of Beauveria bassiana (Bals.) Vuill. Growth by Different Commonly Used Insecticides in Rice
Abstract Views :338 |
PDF Views:115
Authors
Affiliations
1 Mycology Research Section, Department of Plant Pathology, Assam Agricultural University, Jorhat, 785 013, Assam, IN
2 Department of Entomology, Assam Agricultural University, Jorhat, 785 013, Assam, IN
1 Mycology Research Section, Department of Plant Pathology, Assam Agricultural University, Jorhat, 785 013, Assam, IN
2 Department of Entomology, Assam Agricultural University, Jorhat, 785 013, Assam, IN
Source
Journal of Biological Control, Vol 20, No 1 (2006), Pagination: 51-56Abstract
In vitro inhibition of 13 different insecticides and one botanical on Beauveria bassiana growth was tested. Two doses of chemical insecticides, one at recommended dose (RD) and another at half of recommended dose (½. RD) and for botanicals three doses, first one at recommended and one at ½ and another at ½ of the recommended dose were tested. 100 per cent of mycelial growth was observed when the entomopathogen was grown in presence of monocrotophos (0.31%) and dichlorvos (0.12%). Cypermethrin, deltamethrin, alphamethrin and phosphamidon at recommended dose showed growth inhibition of < 50 per cent. Half of the recommended dose of deltamethrin was found having lowest inhibition (14.06 %).Keywords
Beauveria bassiana, Dicladispa armigera, Inhibitory Effect, Insecticides, Rice Hispa.- Bioformulation of Trichoderma harzianum Rifai for Management of Soybean Stem-Rot Caused by Rhizoctonia solani Kuhn
Abstract Views :284 |
PDF Views:150
Authors
Affiliations
1 Department of Plant Pathology, Assam Agricultural University, Jorhat, 785 013, Assam, IN
1 Department of Plant Pathology, Assam Agricultural University, Jorhat, 785 013, Assam, IN
Source
Journal of Biological Control, Vol 20, No 1 (2006), Pagination: 57-64Abstract
In vitro osmoticant (manitol) amended and osmoticant free media of potato dextrose broth (PDB), modified Richard's broth (MRB) and Czapek dox broth (CDB) were tested for biomass production of Trichoderma harzianum Rifai. Osmoticant amended MRB was found best for production of maximum sporulation, cfu and dry weight of biomass of the antagonist, Osmoticant amended media produced higher biomass of T. harzianum than osmoticant free media. Growth and sporulation of T. harzianum was assessed in different carrier viz. starch, talc and molasses enriched charcoal powder (MECP) based formulation. Starch and MECP based formulation of T. harzianum showed increased trend in sporulation of the antagonist upto 60 days, but after this, viability of T. harzianum was abruptly decreased. Talc based formulation-exhibited gradual declining trend in multiplication and sporulation of T. harzianum after 30 days onwards. Among the nine formulation evaluated for growth and sporulation, starch based formulation alone performed best upto 60 days, followed by MECP based formulation. But after 60 days onwards, talc based formulation @ 3: 1 dose showed highest sporulation and maximum cfu, followed by starch formulation @ 1: 1 dose. The overall performance of talc-based formulation was better for growth and sporulation of the antagonist. Potentiality of T. harzianum as seed treatment with talc based T. harzianum and chemical were assessed field condition against Rhizoctonia solani causing stem rot disease of soybean. Lowest disease index and highest % seed germination was observed when seeds were treated with formulation of T. harzianum + talc + osmoticant formulation with enhanced plant vigour and yield of the crop.Keywords
Biomass, Osmoticant, Rhizoctonia solani, Soybean, Stem Rot, Trichoderma harzianum.- SEM Study on Morphological Changes in Metarhizium anisopliae Infected Aphis craccivora Koch.
Abstract Views :300 |
PDF Views:112
Authors
Sarodee Boruah
1,
Pranab Dutta
1,
Joyarani Pegu
1,
Himadri Kaushik
1,
N. Gogoi
2,
K. C. Puzari
1,
G. N. Hazarika
3
Affiliations
1 Department of Plant Pathology, Assam Agricultural University, Jorhat-785013, IN
2 Department of Environmental Science, Tezpur University, Assam, IN
3 Department of Plant Pathology, Assam Agricultural University, Jorhat-785013
1 Department of Plant Pathology, Assam Agricultural University, Jorhat-785013, IN
2 Department of Environmental Science, Tezpur University, Assam, IN
3 Department of Plant Pathology, Assam Agricultural University, Jorhat-785013
Source
Journal of Biological Control, Vol 30, No 1 (2016), Pagination: 29-33Abstract
Morphological changes in Metarhizuim anisopliae (Metschnikoff) Sorokin infected cow pea aphid, Aphis craccivora Koch were studied by scanning electron microscope (SEM). Aphids were caged on paired lantern chimney over cowpea twigs dipped in conical flasks with water infected and inoculated with fungal propagules of M. anisopliae at the concentration of 1X106 spores /ml of water. Infected aphids were observed under SEM and it showed severe cuticular damage, abnormalities in sensory systems as well as deformation of all the body parts. The hydrophobic conidia of M. anisopliae were found to attach to all body regions. It was evident that mycelial growth and conidiophores with conidia of M. anisopliae covered the body surface and penetrates inside the body of infested aphid causing damage to the pest by disturbing its major physiological activities leading to its death.Keywords
Aphis craccivora, Metarhizuim anisopliae, Scanning Electron Microscope.References
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