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Chaudhary Sarwan Kumar Himachal Pradesh Agriculture University, Palampur

Himachal Pradesh Krishi Vishvavidyalaya (renamed as Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya in June, 2001) was established on 1st November, 1978.The College of Agriculture (established in May, 1966) formed the nucleus of the new farm University. It is ICAR accredited and ISO 9001:2015 certified institution. The Indian Council of Agricultural Research has ranked this University at eleventh place among all farm universities of the country. The University has been given the mandate for making provision for imparting education in agriculture and other allied branches of learning, furthering the advancement of learning and prosecution of research and undertaking extension of such sciences, especially to the rural people of Himachal Pradesh. Over the years, this University has contributed significantly in transforming the farm scenario of Himachal Pradesh. It has developed human resources, varieties and technologies and transferred these to farming community enabling the State to receive the “Krishikarman award” of Govt. of India four times in row for food grain production among small states of the country. Today, the State has earned its name for hill agricultural diversification and the farming community has imposed its faith in the University.

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20201
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Author: BANSULI × Start date: 2000 ×
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    ThesisItemOpen Access
    INTROGRESSION OF ANTHRACNOSE RESISTANCE GENES IN ELITE FRENCH BEAN (Phaseolus vulgaris L.) BACKGROUND USING LINKED MOLECULAR MARKERS
    (CSKHPKV. Palampur, 2020-01-07) BANSULI; Kapila, R. K.
    French bean is one of the most important staple foods in many parts of the world, where it constitutes the main source of protein for human consumption. Several bacterial, fungal and viral diseases attack French bean and among these anthracnose caused by Colletotrichum lindemuthianum is one of the most widespread and severe. Many improved pencil type varieties developed are available for cultivation by the farmers of Himachal Pradesh, however most of these are susceptible to many prevalent races of bean anthracnose. Therefore, the present study was undertaken with the objectives of introgression of important bean anthracnose resistance genes in elite cultivars and validation of imparted resistance in the derivatives. Hybridisation between resistant genotypes, TO, TU, G 2333 and Cornell 49242, known to harbour bean anthracnose resistance genes, Co-4, Co-5, Co-42/Co-5/Co-7 and Co-2, respectively and elite cultivars, Arka Komal and Contender revealed a low and differential crossability rate (0-7.69 %) among gene donors and elite recipient parents as Arka Komal was more easily crossable with resistance gene donors as compared to Contender. Two most successful crosses, Cross Combination I (Arka Komal × TO) and Cross Combination II (Arka Komal × TU) were further advanced to generate F1, BC1F1, BC2F1 and BC2F2 plants. Testing of hybridity of the resultant F1, BC1F1, BC2F1 and BC2F2 plants/pods using gene linked SCAR markers (SY20 for Co-4 and SAB3 for Co-5) resulted in identification of 46 gene-positive BC2F2 plants of Cross Combination I and 36 of Cross Combination II. A total of 457 and 764 seedsof 46 and 36 selected gene-positive BC2F2 plants of Cross Combinations I and II, respectively were raised as progeny rows. Foreground selection with linked marker, SY20 and SAB3 in representative 10 plants of the each progeny revealed lack of segregation for the target gene Co-4 and Co-5 in 16 and 12 progenies of Cross Combinations I and II, respectively. Screening of progenies following detached pod and germinated seed dip methods using race 3 of C. lindemuthianum validated Co-4 and Co-5 imparted resistance in all the 28 BC2F3 progenies of 2 cross combinations. Agronomic evaluation of 16 Co-4 and 12 Co-5 gene-positive BC2F4 progenies for 8 qualitative traits and 9 quantitative traits identified AKTO 4, AKTO 5, AKTO 7 and AKTO 43 progenies of Cross Combination I and AKTU 19 and AKTU 33 of Cross Combination II as having better elite background. These can either be used as donors of resistance gene(s) for further introgression and gene pyramiding or can further be advanced following backcrossing to develop essentially derived variety of elite parent, Arka Komal.