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Ramesh, K. R.
- Standardization of Vegetative Propagation Techniques for Rooting of Populus alba Linn. Cuttings
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Indian Forester, Vol 133, No 4 (2007), Pagination: 464-474Abstract
Populus alba cuttings were collected from Raksham (Kinnaur) of Himachal Pradesh during 1999-2000 to standardize the ischolar_maining hormones for ischolar_maining of P. alba cuttings. These were raised in the nursery of Dr. Y.S. Parmar University of Horticulture and Forestry Solan. It was concluded from the investigation that P. alba can be mass multiplied through shoot cuttings with the aid of 125 ppm IBA treatment. This concentration resulted in significant higher ischolar_maining per cent, ischolar_main fresh weight, ischolar_main dry weight, shoot fresh weight, shoot dry weight, internodal length and height. The simple correlation was calculated for all the auxin treatments/concentrations with respect to height, internodal length, ischolar_main fresh weight, ischolar_main dry weight, shoot fresh weight, shoot dry weight and ischolar_maining percentage. The observations for all those traits clearly indicated highly significant correlation's between all the traits at one per cent level of significance. Further all these traits i.e. Growth as well as biomass traits found to be positively correlated with each other. These correlation's may be exploited in a Tree improvement programme.- Actias selene - New Pest of Populus alba Linn. in Himachal Pradesh and Jammu & Kashmir States
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Indian Forester, Vol 130, No 12 (2004), Pagination: 1472-1474Abstract
No abstract- Natural Provenance Variation in Populus alba Linn. from Western Himalaya
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Indian Forester, Vol 129, No 9 (2003), Pagination: 1077-1084Abstract
Natural variation studies were conducted in Populus alba Linn. to determine the range of variation in Himachal Pradesh and Jammu & Kashmir States. The characters studied were height, diameter, and general shape at the base of the leaf blade, clear bole, taper and number of stomata. Analysis of co-variance showed significant differences for different provenances of P. alba Linn. for height, d.b.h., taper, clear bole, leaf area and number of stomata. Strong correlation was obtained between height and d.b.h. The species showed more genetic variation among the natural stands and needs genetic improvement.- Inidbition of Rhizoctonia solani the Causal Agent for Collar Rot of Teak (Tectona grandis) Seedlings by Fungicides and Biocontrol Agents in In-vitro Conditions
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Indian Forester, Vol 126, No 3 (2000), Pagination: 284-288Abstract
A laboratory study was carried out to control the collar rot of Teak (Tectona grandis), which is a major nursery disease in Tamil Nadu caused by Rhizoctonia solani anamorph of Thantephorus cucumeris by use of 6 fungicides, Neem oil, 3 mutants of Trichoderma viride and Pseudomonas fluorescens. Among fungichles testes chlorothalonil (Kavach), methoxyethyl mercury chloride (Emisan-6), mancozeb (lndofil M-45) and carbendazim (Bavistin) were more effective in inhibiting the fungal growth. In biocontrol aspect T. viride MNT-7 followed by T. viride MNT-2 were found to be the most effective in inhibiting the growth of the pathogen. So these may be used in controlling the disease.- Rooting Behaviour Studies in Populus alba Provenances for Different Agro-Forestry Needs
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