Studies on Seed Technological Aspects of Tomato (Lycopersicon Esculentum Mill) Varieties Resistant to Leaf Curl Virus PDF Download
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Author: RAJASHEKAR B. S
Publisher:
ISBN:
Category :
Languages : en
Pages : 114
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Author: RAJASHEKAR B. S
Publisher:
ISBN:
Category :
Languages : en
Pages : 114
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Author: G Umesha
Publisher:
ISBN:
Category :
Languages : en
Pages : 147
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Author: Malay Kumar Banerjee
Publisher:
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Category :
Languages : en
Pages :
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Author: Jaime Prohens-Tomás
Publisher: Springer Science & Business Media
ISBN: 0387741100
Category : Science
Languages : en
Pages : 368
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This first volume of the Handbook of Plant Breeding book series is devoted to vegetable crops breeding. Each chapter is dedicated to a major vegetable crop. Each chapter contains a comprehensive review of the diversity, breeding techniques, achievements and use of the most advanced molecular techniques in the genetic improvement of these crops. The purpose of the book is to provide breeders and researchers from the public and private sectors with updated information and the latest novelties in the breeding of specific crops of economic relevance. Also, it serves as a major reference book for post-graduate courses and PhD courses on breeding vegetable crops.
Author:
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ISBN:
Category : Agriculture
Languages : en
Pages : 878
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Author: CHITTA RANJAN MOHANTY
Publisher:
ISBN:
Category :
Languages : en
Pages : 126
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Author: Seloame Tatu Nyaku
Publisher: BoD – Books on Demand
ISBN: 1789850339
Category : Medical
Languages : en
Pages : 128
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Book Description
Tomato cultivation is a major economic activity in many countries of the world. Thus, strategic efforts should be directed towards mitigating production constraints that limit overall yields and quality. In addressing some of these constraints, researchers are developing and using varieties of modern and innovative techniques to improve local tomato germplasm, make rapid genetic gains, and breed for varieties with resistance to biotic and abiotic stress. This book focuses on recent advances in genomics and genetic improvement of the tomato crop, and production systems, and center around the following themes: (i) disease and pest management in tomato production, and (ii) breeding tools and improvement of the tomato.
Author: JAGADEESH M
Publisher:
ISBN:
Category :
Languages : en
Pages : 120
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Author: K.S. Anil Kumar
Publisher:
ISBN:
Category :
Languages : en
Pages : 80
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Author: Rachel Badih Dagher
Publisher:
ISBN:
Category :
Languages : en
Pages : 290
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Tomato (Lycopersicon esculentum Mill.) is the second most consumed vegetable aft er potato in the world and one of the most important vegetables grown in Lebanon under both greenhouse and field conditions. Tomato is widely grown for its tast e, flavor, color, and health benefits. Since 1976, Tomato yellow leaf curl virus (TYLCV), has been causing economic damage to tomato in Lebanon, and has become the major limiting factor for tomato production in the coastal areas especially in the fall growing season, where yield loss may reach 100% if seedlings are inf ected early in the growing season. Lebanese tomato Landraces are highly suscepti ble to TYLCV and the development of resistant cultivars is considered as an attr active option for management of TYLCV infections. Tomato yellow leaf curl diseas e may be induced by several species or strains of TYLCV that are all transmitted by the whitefly vector Bemisia tabaci. A survey was undertaken, during summer 2 004 and spring 2005, in the main tomato growing areas. Results indicated that TY LCV in Lebanon was caused by either single or mixed infections with the mild str ain (TYLCV-Mld) and/or the Israeli strain (TYLCV-Is), while the Almeria strain w as not detected. Tomato populations resulting from crosses of four Lebanese toma to landraces with two wild Lycopersicon species (L. chilense and L. hirsutum) we re evaluated for their resistance against TYLCV. Three field trials were conduct ed in plastic tunnels, in Damour South of Beirut. Prior to transplanting, all se edlings were artificially inoculated with TYLCV-Is and TYLCV-Mld using virulifer ous whiteflies. Eight tomato plants belonging to the F2 population were screened for resistance to TYLCV during the first field trial. Plants showing mild or no symptoms and the desirable horticultural characteristics were selected, their s eeds collected and used to evaluate further progenies. Virus titer (concentratio n) in the majority of tolerant/resistant tomato genotypes was lower than the cor responding susceptible genotypes as determined by nucleic acid hybridization usi ng chemiluminescent detection system. Two marker assisted selection protocols us ing regular or multiplex PCR methods were developed and used to determine tomato resistance to Fusarium and Verticillium wilt diseases. Several promising F3 and F4 progenies were ...
