TSWV resistance in DH lines of tobacco (Nicotiana tabacum L.) obtained from a hybrid between ‘Polalta' and ‘Wiślica'

With 2 tables ABSTRACT: Nicotiana tabacum cv. ‘Polalta' is reported as having a hypersensitive type of Tomato spotted wilt virus (TSWV) resistance. In ‘Polalta' hybrids with susceptible cultivars, morphological deformations (thickened and ribbon‐shaped leaves, irregular venation, tumours)...

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Bibliographic Details
Published in:Plant breeding 2010-12, Vol.129 (6), p.731-733
Main Authors: Laskowska, D, Berbeć, A
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
Disease resistance
doubled haploids
Fundamental and applied biological sciences. Psychology
Genetics and breeding of economic plants
Greenhouses
Haploidy, in vitro culture applications, somatic hybrids
Hybrids
inheritance
Leaves
Nicotiana tabacum
Nicotiana tabacum L
Plant breeding
Plant breeding: fundamental aspects and methodology
Tomato spotted wilt virus
Tumors
Venation
Wilt
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Summary:With 2 tables ABSTRACT: Nicotiana tabacum cv. ‘Polalta' is reported as having a hypersensitive type of Tomato spotted wilt virus (TSWV) resistance. In ‘Polalta' hybrids with susceptible cultivars, morphological deformations (thickened and ribbon‐shaped leaves, irregular venation, tumours) appear. Acceptable DH lines derived from hybrids of ‘Polalta' with ‘Wiślica' were obtained by a method of in vitro culture. Those DH lines were evaluated for TSWV resistance. Tests for resistance were conducted under greenhouse conditions using one TSWV isolate from a local source. The presence of the virus was verified using DAS‐ELISA. The DH lines PW‐833, PW‐834, and PW‐900 showed a near correct morphology and stably inherited dominant monogenic resistance to TSWV.
ISSN:0179-9541
1439-0523
DOI:10.1111/j.1439-0523.2009.01747.x