MULTIVARIATE STUDIES ON GROWTH CHARACTERISTICS OF Pinus roxburghii IN MID HILL CONDITIONS OF HIMACHAL PRADESH

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dc.contributor.advisorMAHAJAN, P K
dc.contributor.authorVERMA, SHRUTI
dc.date.accessioned2020-07-30T06:36:16Z
dc.date.available2020-07-30T06:36:16Z
dc.date.issued2020-07
dc.description.abstractABSTRACT The data on present statistical investigation entitled “Multivariate studies on growth characteristics of Pinus roxburghii in mid hill conditions of Himachal Pradesh” was collected from the Department of “ Tree Improvement and Genetic Resources”, Dr. Y S Parmar University of Horticulture and Forestry, Nauni (Solan), Himachal Pradesh during the year 2018. Twenty families were randomly selected from sixty families planted in University Research Farm. The maximum total biomass was observed in family Kopra t2 which was statistically at par with family Mansa mallon and Mansoo t5. The phenotypic coefficients of variation (PCV) were high for E.W crown spread (36.38%), N.S crown spread (22.84%), crown height (20.57%) and the genotypic coefficients of variation (GCV) were high for E.W crown spread (30.68%), crown height (20.57%). Eleven families were grouped in cluster III followed by six families in cluster IV, two families in Cluster II and one family in cluster I. Maximum number of families were accommodated in cluster III. Seven out of twenty factors explained 20.27%, 16.26%, 11.65%, 11.56%, 9.13%, 6.18% and 5.69% variation and together they account for 80.71% of total variation. High heritability were estimated for needle length (99.99%), moisture content (99.98%), diameter at breast height (99.98%), crown height (99.97%), crown length (99.96%), number of stomata (99.96%), tree height (99.94%), tracheid length (99.66%), needle thickness (99.56%), bark thickness (99.37%), girth of cone from contour (98.61%), wood specific gravity (97.38%) and length of cone (77.06%) and and genetic advance for bole biomass (13.11%) and total biomass (11.77%). Hence these characters should be relied upon for selectionen_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810150133
dc.keywordsMultivariate studies,characteristics, growth,Pinus roxburghiien_US
dc.language.isoenen_US
dc.pages44+iven_US
dc.publisherNAUNI,UHFen_US
dc.subBasic Sciencesen_US
dc.subjectnullen_US
dc.themeMultivariate studies,characteristics, growth,Pinus roxburghiien_US
dc.these.typeM.Scen_US
dc.titleMULTIVARIATE STUDIES ON GROWTH CHARACTERISTICS OF Pinus roxburghii IN MID HILL CONDITIONS OF HIMACHAL PRADESHen_US
dc.typeThesisen_US
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