Thumbnail Image

M. Sc. Dissertations

Browse

2006 - 20083
Reset filters
Subject: Forestry × End date: 2009 × Start date: 2006 × Thesis Type: M.Sc ×
Reset filters

Search Results

Now showing 1 - 3 of 3
  • Thumbnail Image
    ThesisItemOpen Access
    Seed Source Variation for Seed and Seedling Characters in Kair [Capparis decidua (Forsk.) Edgew.]
    (CCSHAU, 2006) Kalu Ram; Bangarwa, K. S.
    Seeds were collected from five randomly selected trees of Capparis decidua from each of two sites from Rajasthan (Hanumangarh, Bhadra) and Haryana (Sirsa, Hisar) provenances during September 2005. The seeds of all the twenty progenies arising from four provenances were used for provenance testing in nursery and seed storage up to six months. Fruit diameter ranged from 14.79 to 22.88 mm with a general mean of 17.83 mm. Variability for fruit diameter was comparatively higher in Hanumangarh and Sirsa. Analysis of variance showed the presence of significant variation among progenies for germination per cent, plant height and collar diameter, whereas significant variation among provenances were observed for plant height and collar diameter. Medium values of phenotypic coefficient of variation and little difference from genotypic coefficient of variation were observed for all the three characters, viz., germination per cent, plant height and collar diameter. Heritability estimates and genetic advance were also found high for all the characters under study. Progeny number 8 from Bhadra provenance was found overall best for all the three characters viz., germination per cent, plant height and collar diameter. Progeny number 6 from Bhadra was found significantly superior than general mean for plant height and collar diameter whereas progeny number 1 from Hanumangarh was found significantly superior than general mean for germination per cent and plant height. In general, the provenances like Hanumangarh and Bhadra were found superior for seedling characters. Standard germination of fresh seeds varied from 53.74 per cent in progeny no.17 from Hisar to 62.21 per cent in progeny no.1 from Hanumangarh with a mean of 59.08 per cent. The average germination per cent of fresh seed (59.08) was reduced to 44.87 per cent three months after storage and which was further reduced to 32.73 per cent six months after storage. The reduction in both vigour index-I and vigour index-II were observed higher than standard germination for all the progenies up to six months of storage.
  • Thumbnail Image
    ThesisItemOpen Access
    Vegetative propagation of Dalbergia sissoo (Roxb.) through stem cutting
    (CCSHAU, 2006) Praveen Kumar; Bimlendra Kumari
    The experiment was conducted in the nursery of the Department of Forestry in CCS, Haryana Agricultural University (India) during February and August season of 2003-04. The cuttings taken form 8 to 10 years old tree from three zones of canopy i.e. upper, middle and lower with thickness i.e. 0.5 cm to 1.0 cm diameter (thin) and 1.1 cm to 1.5 cm (thick). These cutting treated with different plant growth regulators viz. indole-3-butyric acid, indole-3-acetic acid, nepthalic acid at three concentration levels i.e. 1000 ppm, 500 ppm, 250 and combination of thiamine with 500 ppm of each growth regulator. The experiment was laid out in completely randomized design with three replication. The results revealed that cutting planted in February season gave better percentage of rooting (60.6%), number of roots per cutting (4.0), root length (12.0 cm) per cutting and weight of roots (0.37g) than August planted cuttings. All the roots characteristics obtained were better with thick cutting than thin cutting and canopy levels followed the trend of lower, middle and upper canopy i.e. cutting from the lower canopy gave best results. IBA 1000 ppm was most effective in sprouting (75.5%) and rooting (66.4%) of Dalbergia sissoo stem cutting. All the PGRs treatment gave significantly better results in both the season with all the canopy levels and with thick as well as thin cutting over control. From the studies, it was concluded that when the cutting of Dalbergia sissoo is taken from lower canopy with diameter 1.1-1.5 cm (thick) treated with indole-3-butyric acid 1000 ppm planted in February season gave the best results with respect to duration of sprouting, percentage of sprouting, number of leaves per cutting, number of roots per cutting, weight of root and shoot, percentage of rooting and rootshoot weight ratio and average length of root per cutting.
  • Thumbnail Image
    ThesisItemOpen Access
    Studies on seed germination and storability of Rohida
    (CCSHAU, 2008) Ravi Kant; Bimlendra Kumari
    The present investigation was carried out on Rohida seeds. The seed material was collected from four different seed sources viz., Churu, Ding Mandi, Jhumpa and Rajgarh. The present study was conducted during 2005-06 at nursery area of Department of Forestry and laboratories of Department of Seed Science and Technology and Department of Forestry CCS HAU, Hisar. The objective of investigation was: To evaluate different seed sources for seed viability, germination and seedling growth behavior; To determine the storability of Rohida seed. Various morphological characters of Rohida trees from four different geographical locations were recorded and seeds were collected from the selected trees. Seed quality parameters such as seed size (length and breadth), colour, test weight, germination percent (74 %), speed of germination (13.63 %), radicle (6.30 cm) and plumule length(5.30 cm), seedling dry weight (415.60 mg), dehydrogenase activity (1.40), electrical conductivity vigour index I and II were studied of freshly harvested seeds and then stored in ambient storage conditions. The seeds of all the four different places were aged artificially at various time (24, 48 and 72 h) and temperature (40±1oC) variables. Accelerated ageing of seeds for 24 h at 40±1oC produced a clear separation and provide better results. Then seeds of all the four different places were tested to study physiological basis for loss in viability. It was observed that standard germination, seedling length, dry weight, vigour index I, vigour index II and viability percentage was found maximum in Rajgarh seed source.