tailieunhanh - Doctoral thesis summary of agriculture: Research and application of molecule markers in breeding salt-tolerant Bacthom 7 rice variety

Objectives: Identifying the salinity tolerance and phenotype of the rice lines which carrying the Saltollocus (donor plant), imported from International Rice Research Institute, as well as selecting the popularly grown rice cultivar were used as the recipient plant Applying marker assisted backcrossing (MABC) to pyramid salinity tolerance Saltol locus into Bac Thom 7, in order to generate the high quality rice variety with salinity tolerance for growing the coastal areas in Red River Delta. | MINISTRY OF EDUCATION MINISTRY OF AGRICULTURE AND TRAINING AND RURAL DEVELOPMENT VIETNAM ACADEMY OF AGRICULTURAL SCIENCES DONG THI KIM CUC Research and application of molecule markers in breeding salt-tolerant Bacthom 7 rice variety Major Genetics and Breeding Code DOCTORAL THESIS SUMMARY OF AGRICULTURE HaNoi - 2014 The Doctoral thesis was completed in VIETNAM ACADEMY OF AGRICULTURAL SCIENCES Supervises 1. . Le Huy ham 2. Dr. Le Hung Linh Objectionl Objection2 Objections The Doctoral thesis is defelded at Institute Committee of PhD Dissertation Examination VIETNAM ACADEMY OF AGRICULTURAL SCIENCES .2014 PhD thesis can be found at - Nationa Library of VietNam. - Library of VietNam Academy of Agricultural Sciences INTRODUCTION 1. Imperativeness of the thesis Rice production and yield are significantly losses due to diseases and pests infestation and the environmental impacts. Of these the noticeable factor is salt-influenced to rice. The cultivated lands have been affected from the salinity by 380 million ha accounted for 1 3 total worldwide cultivated areas. Salt - affected lands is the main factor which has curbed to develop productivity of rice and also caused influence to food security in general. Hence to reduce the salinity affect to the rice plant has paid much attention to research 124 . To meet this demand to generate the salinity tolerance rice variety is necessary work. It is needed to explore the natural plant resource against salinity tolerance by either directly selecting or by genetic selection or marker assisted selection. Application of molecular markers may help to identify the present of salinity tolerance gene s which is very useful for the breeder to select the effective crossed combination. Hence It would be accelerated to breed rice salinity tolerance shortened the selection time and expenses and labour. As aforementioned the topic entitled Application the molecular markers to improve salinity tolerance of Bac

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