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http://krishi.icar.gov.in/jspui/handle/123456789/12222| Title: | Genotypes x environment interaction studies on early blight disease of tomato |
| Authors: | A.K. Singh, N. Rai*, R.K. Singh, R.P. Singh and Vineeta Singh |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | 1Indian Institute of Vegetable Research, Post Box No. 01, P.O. Jakhini (Shahanshahpur), Varanasi-221305 Udai Pratap Autonomous P.G. College, Varanasi-221002 Department of Mycology & Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University, |
| Published/ Complete Date: | 2013-01-01 |
| Project Code: | IXXO8661 |
| Keywords: | Tomato, Solanum lycopersicum, early blight, Alternaria solani, percent disease incidence (PDI), area under disease progress curve (AUDPC) |
| Publisher: | Journal of Applied Horticulture |
| Citation: | 3 |
| Series/Report no.: | Not Available; |
| Abstract/Description: | Experiments were conducted for three years to study the interaction between tomato genotypes and environment against early blight disease caused by Alternaria solani. Fifty one genetically diverse genotypes of tomato were screened in fi eld conditions against early blight in Rabi season of 2006-09 at Indian Institute of Vegetable Research, Varanasi, India. Results revealed that genotype LA-3980 was resistant while, EC-520058, EC-520060, EC-520061, EC-520070, EC-521080, WIR-3928 and H-88-78-1 were highly resistant. All the resistant and highly resistant lines belong to wild species except H-88-78-1 and LA-3980. Only three genotypes, EC-520061, EC-520070 and H-88-78-1 were stable in each environment for resistance to early blight disease in tomato. Relationship of environment with resistant genotypes indicated that EC-520061, EC-520070, WIR-3928 and H-88-78-1 had low regression coeffi cient (b<1) and low deviation from regression (sd2=<1) than others (b= >1and sd2=>1) indicating stable and adaptive genotypic resistance to early blight. Hence these genotypes may be used as donor parent for development of early blight resistant/ tolerant varieties / lines. |
| Description: | Not Available |
| ISSN: | Not Available |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Journal of Applied Horticulture |
| NAAS Rating: | 5.13 |
| Volume No.: | 15(3) |
| Page Number: | 207-210 |
| Name of the Division/Regional Station: | Division of Crop Improvement |
| Source, DOI or any other URL: | Not Available |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/12222 |
| Appears in Collections: | HS-IIVR-Publication |
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