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Santhosha, H. M.
- Evaluation of Brinjal Genotypes against Bacterial Wilt Caused by Ralstonia solanacearum
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PDF Views:107
Authors
Affiliations
1 University of Horticultural Sciences, Bagalkot, IN
2 ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru – 560089, IN
1 University of Horticultural Sciences, Bagalkot, IN
2 ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru – 560089, IN
Source
Journal of Horticultural Sciences, Vol 10, No 1 (2015), Pagination: 74-78Abstract
Forty brinjal genotypes were screened by artificial inoculation using Ralstonia solanacearum inoculum at a concentration of 1.0 X 108 cfu/ml (O.D600 = 0.3). Genotypes Arka Nidhi, Haritha, Swetha, Surya, IIHR-3, IIHR-555, WCGR, R-2588, WL-2230, L-3261, L-3270, L-3272 and Arka Anand were found to be resistant to bacterial wilt, whereas, IIHR-7, L-3263, L-3268 and L-3269 were moderately resistant. Genotypes R-2584, R-2586, R- 2592, L-3260, L-3262, L-3264, L-3266 and L-3267 were moderately susceptible, and genotypes R-2580, R-2582, R-2587, R-2591, R- 2593 and R- 2595 were found to be susceptible. Lastly, genotypes R-2581, R- 2594, R-2589, R-2590, WL-2232, Pusa hybrid-6, Arka Shirish, R-2585 and R-2583 were found to be highly susceptible to bacterial wilt. Resistant and moderately resistant genotypes showed longer incubation period.Keywords
Brinjal, Bacterial Wilt, Ralstonia solanacearum, Genotypes.Full Text
References
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- Prior, P., Grimault, V. and Schmit, J. 1994. Resistance to bacterial wilt (Pseudomonas solanacearum) in tomato: present status and prospects. In: Hayward, A.C., Hartman, G.L., (eds.). Bacterial wilt: the disease and its causative agent, Pseudomonas solanacearum. CAB International, Wallingford, 209 p.
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- Rao, M.V.B., Sohi, H.S. and Vijay, O.P. 1976. Reaction of some varieties of brinjal to Pseudomonas solanacearum. Veg. Sci., 3:61-64
- Smith, E.F. 1920. Brown rot of Pseudomonas solanacearum. An introduction to bacterial diseases of plants. W.B. Saunder Co., Phildelphia, U.S.A., pp. 177-201
- Vasse, J., Danoun, S. and Trigalet, A. 2005. Microscopic studies of ischolar_main infection in resistant tomato cultivar Hawaii 7996. In: Allen, C., Prior, P. and Hayward, A.C. (eds.). Bacterial wilt disease and the Ralstonia solanacearum species complex. APS Press, St. Paul, Minnesota, USA, 285 p.
- Yabucchi, Y., Ikuya, Y., Hisako, H. and Yukiko, N, 1995. Transfer of two Burkholderia and an Alacaligenes species to Ralstonia genome. Microbiol – Immunol., 39:897-904
- Zakir Hussain, M., Rahman, M.A. and Bashar, M.A. 2005. Screening of brinjal accessions for bacterial wilt caused by Ralstonia solanacearum. Bangladesh J. Bot., 34:53-58
- Studies on Stability of Processing-type Genotypes of Tomato (Solanum lycopersicum L.)
Abstract Views :193 |
PDF Views:109
Authors
Affiliations
1 Department of Horticulture, College of Agriculture, Raichur- 584101, IN
1 Department of Horticulture, College of Agriculture, Raichur- 584101, IN
Source
Journal of Horticultural Sciences, Vol 7, No 2 (2012), Pagination: 138-141Abstract
To study stability of genotypes under three diverse environments, ten genotypes along with two checks of processingtype tomato were evaluated in Randomized Block Design (RBD) with three replications. Environment included three seasons, viz., kharif (2007), rabi (2007-08) and summer (2008) to identify the most stable varieties. Overall performance of PTR-1, PTR-4, PTR-6 and 'Arka Ashish' was found stable for yield per plant, number of branches per plant, % fruit set, % acidity and lycopene content. PTR-4 and PTR-6 were stable for high yield and for good processing traits.Keywords
Tomato, Stability, Genotype x Environment Interaction.Full Text
- Genetic Diversity in Early Cauliflower (Brassica oleracea Var. botrytis L.) Germplasm
Abstract Views :223 |
PDF Views:117
Authors
Affiliations
1 University of Horticultural Sciences, Bagalkot, IN
2 Division of Vegetable Crops, IIHR, Hessaraghatta, Bangalore-89, IN
1 University of Horticultural Sciences, Bagalkot, IN
2 Division of Vegetable Crops, IIHR, Hessaraghatta, Bangalore-89, IN
Source
Journal of Horticultural Sciences, Vol 6, No 1 (2011), Pagination: 21-24Abstract
An experiment was conducted to study genetic divergence in 51 genotypes of cauliflower. Data was recorded for 16 quantitative characters. The genotypes were grouped into 14 clusters. A majority of the genotypes grouped together in Cluster 14 (with 14 genotypes), followed by Cluster 12 (with 8 genotypes). Intra-cluster value was maximum in Cluster 8 and minimum in Cluster 2. Maximum inter-cluster distance was observed between Clusters 8 and 10, followed by that between Clusters 10 and 13 and between Clusters 8 and 12. Hence, genotypes IIHR-323-13, IIHR-214- 5 and IIHR-277-14 of Cluster 8, and genotypes IIHR-263 and IIHR-272 of cluster 10 present the best choice for hybridization. Highest mean value for plant weight, leaf number, curd diameter, curd size, net curd-weight , net plot yield, yield per hectare and marketable curd-weight was also observed in Cluster 10, which indicates that genotypes included in this cluster are potential parents for hybridization programmes aimed at increasing cauliflower yields.Keywords
Cauliflower, Genetic Diversity, Hybridization.Full Text