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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: Forestry × Author: BHATT, SEEMA × End date: 2016 × Start date: 2016 ×
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    ThesisItemOpen Access
    COMPARATIVE STUDIES ON WOOD QUALITY PARAMETERS OF EXOTIC AND NATIVE SPECIES OF Shorea ROXB. ex C.F. GAERTN.
    (2016) BHATT, SEEMA; DUTT, BHUPENDER
    ABSTRACT The present research entitled “Comparative studies on wood quality parameters of exotic and native species of Shorea Roxb. ex C.F. Gaertn.” was carried out in the Laboratory and Wood Workshop in the Department of Forest Products, College of Forestry, Dr. Y S Parmar University of Horticulture and Forestry, Nauni, Solan (HP) during 2013-15. The study revealed significant variation between physical, mechanical and chemical characteristics of wood of exotic and native species of Shorea. Among different physical characteristics Sal registered maximum specific gravity (0.681) with medium texture. The longest fibre length was noticed in Light Red Meranti (1222.24 µm) while maximum fibre diameter (31.14 µm) was found in Teak respectively. Maximum vessel element length and vessel element diameter was recorded in Dark Red Meranti as (630.09 µm) and (230.75 µm). The maximum Vessel frequency was found in Yellow Meranti (8.21), respectively. The maximum ray height was recorded in Light Red Meranti (845.63 µm) and maximum ray width was observed in Teak (82.91 µm). Among mechanical properties of wood of exotic and native species of Shorea, the maximum tensile and bending strength was recorded in Sal as (0.145 kN/mm2) and (0.101 kN/mm2). The maximum compressive strength parallel and perpendicular to grain was noticed in Sal as (0.051%) and (0.0049 kN/mm2). The maximum modulus of elasticity and maximum modulus of rupture was recorded in Sal as 18007.25 MPa and 124.78 MPa, respectively. Among chemical properties of exotic and native species of Shorea, significant variation was observed for those parameters studied. The maximum cold and hot water extractives were found in Teak i.e. (6.48 %), (8.25 %), and maximum alcohol benzene extractives was observed in Sal (8.35%), respectively. Maximum Holocellulose and lignin content was recorded in Teak (69.72%) and Sal (30.71%), respectively. Correlation studies revealed that specific gravity has a significant positive relation with MOE, MOR, Static bending and compression parallel to grain. Fibre length shows a highly significant positive relationship with MOE and MOR. The number of vessels per field of view gave highly significant positive correlation with compression and tensile strengths. Highly significant positive correlation were obtained between holocellulose and specific gravity, compression strength parallel to grain, tensile strength and static bending. Lignin contents were positively related with MOR and compression strength parallel to grain. Regression analysis revealed that linear and quadratic function fitted best to predict the different mechanical properties.