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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Nazeer, W. Mahmood, A. Mahmood, K. Ahmad, S. Tipu, A. L. Zhou, B. |
| Spatial Coverage | Pakistan |
| Description | Country affiliation: Pakistan Author Affiliation: Nazeer W ( Cotton Research Station, Multan, Pakistan.); Ahmad S ( Cotton Research Station, Multan, Pakistan.); Mahmood K ( Cotton Research Station, Multan, Pakistan.); Tipu AL ( Cotton Research Station, Multan, Pakistan.); Mahmood A ( Cotton Research Institute, Faisalabad, Pakistan.); Zhou B ( National Key Laboratory of Crop Genetics and Germpalsm Enhancement, Cotton Research Institute, Nanjing Agricultural University, Nanjing, China baoliangzhou@njau.edu.cn.) |
| Abstract | Cotton leaf curl virus disease is a major hurdle for successful cotton production in Pakistan. There has been considerable economic loss due to this disease during the last decade. It would be desirable to have cotton varieties resistant to this disease. We explored the possibility of transferring virus resistant genes from the wild species Gossypium stocksii into MNH-786, a cultivar of G. hirsutum. Hybridization was done under field condition at the Cotton Research Station, Multan, during 2010-11. Boll shedding was controlled by application of exogenous hormones. F1 seeds were treated with 0.03% colchicine solution for 6 h and germinated. Cytological observations at peak squaring/flowering stage showed that these plants were hexaploid, having 2n = 6x = 78 chromosomes. The F1 plants showed intermediate expression for leaf size, leaf area, petiole length, bracteole number and size, bracteole area, bracteole dentation, flower size, pedicel size, and petal number and size. Moreover it possessed high fiber strength of 54.4 g/tex, which is 54% greater than that of the check variety, i.e. MNH-786 (G. hirsutum). The F1 population did not show any symptom of CLCuVD in the field, tested by grafting with CLCuVD susceptible rootstock (var. S12). We conclude that it is possible to transfer CLCuVD resistance and high fiber strength from G. stocksii to G. hirsutum. |
| e-ISSN | 16765680 |
| Journal | Genetics and Molecular Research |
| Issue Number | 1 |
| Volume Number | 13 |
| Language | English |
| Publisher | Fundação de Pesquisas Científicas de Ribeirão Preto |
| Publisher Date | 2014-02-21 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Cotton Fiber Gossypium Genetics Growth & Development Crosses, Genetic Genotype Virology Pakistan Plant Diseases Plant Viruses Physiology Polyploidy Research Support, Non-u.s. Gov't Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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