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ThesisItem Open Access Vegetative propagation studies in important bamboo species(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2009-08) Yewale, Aalok Gulabrao; Kaushal, RajeshThesisItem Open Access Vegetative propagation by nodal cuttings in Eucalyptus clones(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2009-09) Tewari, Neetu; Tiwari, Salil K.The present investigations entitled “Vegetative propagation by nodal cuttings in Eucalyptus clones” was carried out at new site of Agroforestry Research Centre (AFRC), Haldi, G. B. Pant University of Agriculture and Technology, Pantnagar during March to June 2009. The investigations were performed in two different experiments in Completely Randomised Design in mist chamber and Randomised Block Design in vegetative multiplication garden (VMG). In experiment I, eight different clones viz. K-25, K-43, G-22, AP-10, AP-7, K-23, K-14 and K-16 were studied for their growth behaviour in VMG and sprouting & rooting response under intermittent misting. The results revealed the significant variation in growth, sprouting and rooting behaviour of different Eucalyptus clones. The following order was observed for clonal growth behaviour in VMG - K-25> AP-10> G-22> K-23> K-16> K-43> AP-7> K-14. For rooting, the order was K-43> K-25> G-22> AP-7> K-23> K-16> K-14> AP- 10. While maximum sprouting was observed in K-16 followed by K-14, K-23, G-22, AP-7, AP-10, K-43 and K-25. In Experiment II, effect of clone, girth class and height on growth behaviour, sprouting and rooting response was studied in two different Eucalyptus clones viz. AP-7 and K-25. The experiment was conducted with four different girth class treatments (viz. 15-20 cm, 20-25 cm, 25-30 cm and 30-35 cm) and three different stump height treatments (viz. 30 cm, 45 cm and 60 cm). The trend of growth behaviour in VMG was found K-25> AP-7. Similar trend was observed for sprouting and rooting behaviour. Among different girth classes G2 was found to be optimum for enhanced coppice shoot production while for rooting of cuttings G4 was optimum girth class. Among different stump heights, 60 cm was found to be optimum for coppice shoot production in VMG while there was no significant effect of height on sprouting response. However, for rooting behaviour the trend was H1> H2> H3. The interaction effect of clone, girth class and height was found significant for growth behaviour in VMG while it was non-significant in rooting behaviour. Hence, it was concluded that, growth performance of K-25 and AP-10 was superior than rest clones after coppicing in vegetative multiplication garden. Further, K-43 and K-25 can be easily propagated by rooted cuttings while AP-10 was difficult to root. The optimum height for enhanced coppice shoot production was found 60 cm. Whereas, 30 cm stump height was best for obtaining maximum rooted cuttings. The optimum girth of coppiced tree was found to 20-25 cm for enhanced coppice shoot production. While the girth of 30-35 cm was found to be more suitable for better rooting of cuttings.ThesisItem Open Access Studies on carbon sequestration in poplar (Populus deltoides Bartr. ex. Marsh.) based agroforestry system with varying tree density(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2009-07) Pingale, Bhanudas Narayan; Bana, O.P.S.