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Dr. Y. S. Parmar University of Horticulture & Forestry, Solan

Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Solan, was established on 1st December, 1985 with the objective to promote education, research and extension education in the fields of Horticulture, Forestry and allied disciplines. Late Dr. Yashwant Singh Parmar, the first Chief Minister and the architect of Himachal Pradesh perceived the importance of Horticulture and Forestry to develop and improve the State economy which led to the establishment of this University. Its history lies in erstwhile Himachal Agricultural College, Solan, established in 1962 and affiliated to the Panjab University. It became one of the campuses of Agriculture Complex of Himachal Pradesh University on its formation in 1970. Consequent upon the establishment of Himachal Pradesh Krishi Vishvavidyalaya in 1978, this campus became its Horticulture Complex and finally in 1985, assumed the status of a State University, being the only University in the country engaged exclusively in teaching, research and extension in Horticulture and Forestry. The University is located at Nauni in Solan District of Himachal Pradesh, 13 km from Solan on Solan-Rajgarh Road, at an elevation of 1300 metres above mean sea level. Solan town is situated on national highway (NH-22) and is well connected by train and bus services. The University has four constituent colleges, out of which, two are located at the main campus Nauni, one for horticulture and the other for forestry, having 9 and 7 departments, respectively. The third College i.e., College of Horticulture & Forestry is located at Neri in Hamirpur District on Nadaun-Hamirpur state highway, about 6 Km from Hamirpur town and is well connected with bus service. The college offers three Undergraduate Degree Programmes i.e. BSc (Hons.) Horticulture, BSc (Hons.) Forestry and B. Tech. Biotechnology and MSc degree programme in a few subjects. The fourth college i.e. College of Horticulture and Forestry, Thunag (Mandi) is located at Thunag District Mandi. This college offer BSc (Hons.) Horticulture and BSc (Hons.) Forestry degree programme. In addition, there are five Regional Research Stations, 12 Satellite Stations and five Krishi Vigyan Kendras (KVKs) situated in different zones of the State.

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Subject: Plant Pathology × Author: RANDEEP, SINGH × End date: 2012 × Start date: 2012 ×
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    ThesisItemOpen Access
    COLONIZATION OF NATIVE Agrobacterium radiobacter ISOLATE IN RELATION TO CONTROL OF CROWN GALL IN STONE FRUIT NURSERIES
    (2012) RANDEEP, SINGH; GUPTA, A.K.
    ABSTRACT The present investigation on “Colonization of native Agrobacterium radiobacter isolate in relation to control of crown gall in stone fruit nurseries” was carried out to study colonization and persistence of agrocin producing A. radiobacter isolate (s) in rhizosphere soil of bitter almond and cherry rootstock Colt plants applied as seed and root dip vis-a-vis its effect on incidence of crown gall, and compatibility of A. radiobacter isolate (s) with recommended pesticides. Mutants of A. radiobacter isolate Cherry 2E-2-2 and strain K84 resistant to rifampicin (2500 ppm) and A, tumefaciens isolate Peach 2E-1-3 and strain C58 resistant to streptomycin (2500 ppm) were developed to study their population during the growth period applied as seed and root dip treatments on bitter almond (behmi) and cherry rootstock Colt, respectively. Maximum population (294x 106 cfu/ g of soil) of A. radiobacter isolate Cherry 2E-2-2 applied as seed treatment on behmi was observed followed by 284 ( x 106 ) cfu/ g of soil in the same isolate applied as root dip on cherry rootstock Colt after 9 months at the time of uprooting of plants as compared to 187 ( x 106 ) cfu/ g of soil in strain K84 applied as seed treatment on behmi and 242.30 ( x 106 ) cfu/ g of soil applied as root dip on Colt in the same strain. The recommended doses of different pesticides viz., chlorpyriphos (0.15%), carbendazim (0.05%), glyphosate (0.1%), atrazine (0.5%), oxyfluorfen (0.05%), phorate (0.05%) and carbofuran (0.05%) resulted in 19.00, 10.45, 22.34, 20.68, 6.70, 17.26 and 12.49 per cent inhibition, respectively. Mancozeb at 0.25 and 0.3 per cent resulted in 35.06 and 43.88 per cent inhibition in the growth of A. radiobacter isolate Cherry 2E-2-2. Copper oxychloride at all three tested concentrations (0.2, 0.25 and 0.3%) completely inhibited the growth of native A. radiobacter isolate Cherry 2E-2-2. These results indicate that in stone fruit nurseries, chlorpyriphos, carbendazim, glyphosate, atrazine, oxyfluorfen, phorate and carbofuran at recommended doses can be applied after the application of A.radiobacter.