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Singh, R. D.
- Synedrella vialis (Less.) A. Gray - a New Record to the Flora of Himachal Pradesh
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Pradesh
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Indian Forester, Vol 135, No 1 (2009), Pagination: 89-91Abstract
Synedrella vialis (Less.) A. Gray (Asteraceae) is a new generic record to the flora of Himachal Pradesh. The plant has been collected from different localities of Kangra District, H.P. Morphological characters, habit and ecological notes of the plant are given to facilitate the identification.Keywords
Synedrella vialis (Less.) A. Gray (asteraceae), New Record, Kangra District, HimachalPradesh
- Growth Behaviour of some Tree Species in High Density Plantation in Mid-hills of Western Himalayas
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Value, Western Himalayas
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Indian Forester, Vol 135, No 3 (2009), Pagination: 361-372Abstract
The study was conducted in mid-hill conditions of Palampur in the Indian Western Himalayas with objective to develop agrotechniques for fast growing fuel-wood species. At 24 months after planting (MAP), the effect of fertilizers was more evident in terms of vertical growth than radial growth. The plant height showed an increasing trend with increase in doses of fertilizer. The maximum plant height was recorded in Eucalyptus hybrid followed by Populus deltoides, while Salix tetrasperma showed the poorest vertical growth (Table 4). In terms of stem diameter, Eucalyptus hybrid was the best species followed by Grevillea robusta and Trewia nudiflora (Table 5). Application of N:P2O5:K2O::150:75:75 kg/ha provided thicker stem in comparison of the lower fertilizer doses. At 36 MAP, G. robusta produced significantly highest vertical growth followed by Jacaranda acutifolia and Eucalyptus hybrid, while Bauhinia variegata showed significantly highest radial growth followed by Eucalyptus and G. robusta. In all the species, excepting G. robusta, Toona ciliata and Morus alba, the lowest fertilizer dose (50:25:25 kg/ha) provided significantly highest vertical and radial growth rate, at 36 MAP. At 36 MAP, significantly highest fresh and dry biomass (oven dry) per plant was produced by Eucalyptus followed by G. robusta and Melia azedarach. The maximum dry weight (62%) was recorded in case of M. alba. At 72 MAP, the significantly highest fresh and dry weight per plant were recorded in Eucalyptus followed by G. robusta, T. ciliata and M. azedarach. Amongst the plants not treated with fertilizers, the highest fresh and dry weight was recorded in G. robusta planted at 1 m x 1 m spacing. The same species when planted closer at 1 m x 0.71 m spacing was comparable to Eucalyptus. Amongst all the test species, G. robusta had highest calorific value.Keywords
Short Rotation High Density Plantation, Vertical Growth, Radial Growth, CalorificValue, Western Himalayas
- Current Status of Ginkgo biloba L. in India
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Indian Forester, Vol 135, No 11 (2009), Pagination: 1588-1593Abstract
No abstract- Effect of Plant Growth Regulators on Sprouting and Biomass Production of Tylophora asthmatica L. in Mid Hills of Himalaya
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Indian Forester, Vol 137, No 2 (2011), Pagination: 225-260Abstract
The study was conducted to evaluate plant growth regulators (PGR) viz., IAA, IBA and NAA at three concentrations, 50, 100 and 200 mg/l, in terms of rate of sprouting in stem-cuttings and growth of the sprouted cuttings of Tylophora asthmatica, during July 2004 and 2006 in Palampur at mid hills of western Himalaya. Observations were recorded on sprouting rate, leaves per sprouted cutting, length of sprouted shoots and length of ischolar_mains. Cuttings treated with IAA showed more than 50% sprouting, which was significantly higher than that due to other treatments and untreated control. Also, IAA was statistically superior to other PGRs in terms of growth of the sprouted cuttings. In terms of sprouting rate, the lowest rate of PGRs (50 mg/l) was more effective than the higher doses. In terms of biomass production, plant spacing of 50 × 25 cm and 50 × 50 cm were statistically comparable.Keywords
Asthma, Bronchitis, Diarrhea, IAA, IBA, NAA, Whooping-cough- Extension of the Period of Utilisation of the Perennial Grasses
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Indian Forester, Vol 92, No 9 (1966), Pagination: 591-595Abstract
The green herbage growth (September-October to 7 January) in winter was assessed in three perennial grasses, viz., Andropogon gayanus, Pennisetum polys tachyon and Brachiaria brizantha, grown as spaced plants with 49 kg of P2O5 and 74 kg of N per hectare per annum under rainfed conditions at Ranchi for 3 years (1963-65). Grasses rested from 15-30 September, (after a cut in July) yielded 40-60 q/ha of green herbage with 0.4 to 0.8 per cent nitrogen (dry wt. basis) when cut on 7 January. Andropogon gayanus showed slightly more growth than the others and its leaves were less frost burnt. The plants rested from July and cut on 7 January, except in the case of Brachiaria brizantha, did not yield more than those cut in July, September-October and January. There was not much advantage in green grass growth in winter by leaving 15 em stubbles in autumn over 7.S em stubbles.- Study of Seed Germination and Agro-technique of Asparagus racemosus Willd. in Mid Hills of Western Himalaya
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Affiliations
1 Institute of Himalayan Bioresource Technology, (CSIR), Palampur, Himachal Pradesh, -176061, IN
1 Institute of Himalayan Bioresource Technology, (CSIR), Palampur, Himachal Pradesh, -176061, IN
Source
Indian Forester, Vol 139, No 11 (2013), Pagination: 1040-1045Abstract
Asparagus racemosus is a medicinally important plant, distributed in Himalayan and sub-Himalayan region of India. The ischolar_main is used in many herbal preparations. Effect of some growth hormones and chemicals was studied on its seed germination. Concentrations of IAA (Indole-acetic acid) 100, 200 and 500 mg/l, IBA (Indole-butric acid), NAA (naphthalene acetic acid), Salicylic acid, Tanic acid with water soaking as control were used. Seed germination was st started on 21st day of seed sowing in IBA treated seeds. Highest seed germination 89.33% and 85% were recorded in IBA, 500 and 200 mg/l, respectively. Lowest seed germination was recorded in Tanic acid 100 mg/l 50.33% and in control 43%. The maximum shoot length of 18.37 cm, 18.47 cm and 18.70 cm were recorded respectively in IBA 200, 500 mg/l and NAA 500 mg/l. While ischolar_main length 6.40 cm and 6.83 cm was recorded in IBA 200 and 500 mg/l after 30 days of seed germination. A field trial was also laid out for standardization of propagation techniques by using different FYM applications. Significantly highest fresh biomass of rhizomes 132.50 t/ha and dry biomass 15.90 t/ha was recorded with the dose of FYM 30 t/ha and minimum 8.33 t/ha in FYM 0 t/ha. Various growth parameters were also recorded in the field experiment.Keywords
Seed Germination, IAA, IBA, NAA, Tanic Acid, FYM, Biomass,Asparagus racemosusReferences
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