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Journals
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Gupta, R. K.
- Growth and Biomass Accumulation in Eucalyptus Camaldulensis Irrigated at Different Water Regimes in an Arid Sandy Plain of India
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Indian Forester, Vol 134, No 5 (2008), Pagination: 611-621Abstract
A trial was initiated in July, 1995 to study the performance of Eucalyptus camaldulensis under different irrigation regimes on an arid sandy plain. Six treatment combinations of water quantity (W1 and W2) and watering frequency (I1, I2 and I3) were imposed. Irrigation schedule was maintained on the basis of IW/CPE ratio (Irrigation water/cumulative pan evaporation). Plant growth and biomass at 40-month age was high in I3W2 treatment where 45/ 60 mm of water per irrigation was applied with a total of 1935 mm (36 applications). Inspite of receiving more irrigation water, (2040 mm in 53 applications) growth and biomass accumulation by plants in I3W1 was less in comparison to plants in I3W2 treatment. Irrigation increased total dry biomass by 9 fold in I3W2 treatment over I1W1 treatment. Analysis of variance showed significant difference both at 5% and 1% level between the treatments. Incremental growth followed more or less the same trend in the first and second year but in the third year no significant variation was observed among treatments signifying absence of any treatment effect. More than six fold higher water use efficiency (WUE) was recorded in I3W2 over I1W1. Soil organic matter and electrical conductivity decreased significantly in all the treatments whereas, significant increase in pH was observed after 40 month of plant growth. Results of the study show that quantity of water added per irrigation is more important than the total irrigation input. I3W2 treatment provided more soil volume with favourable moisture condition for ischolar_mains where wetted ischolar_maining zone was more and thus resulted in better growth and biomass production.Keywords
Eucalyptus camaldulensis, Arid Zone, Biomass, Irrigation, Water Use Efficiency
- Establishment of Breeding Orchard of Populus deltoides Bartr
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Indian Forester, Vol 127, No 1 (2001), Pagination: 3-10Abstract
In order to maximise the chances of inter-population and intra-population open-pollination in Populus deltoides, a breeding orchard has been established at Forest Research Institute, Dehra Dun. The orchard will also provide reproductive buds for undertaking control-pollination among promising clones of this species. Seventeen female clones and 25 male clones have been planted in the orchard. Eight outstanding clones, which are yet to manifest their sex, have also been included in the orchard.- Clonal Evaluation of Poplar (Populus deltoides Bartr.) in Eastern Uttar Pradesh. I - Nursery Testing
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Indian Forester, Vol 127, No 1 (2001), Pagination: 70-80Abstract
75 different clones of Populus deltoides were screened in nursery stage under Eastern Indo-Gangetic conditions for recommending suitable clones for large-scale plantation in different Agro-forestry systems. Four commercial clones namely G3, G48, D121 and Udai were treated as check and these were compared with the rest of the clones. Eleven best clones (D121, D124,82-26-5, 34-N, 40-N, 25-N, UD-36, UD-5502, 90-12, UD-6502 and UD-4707) are earmarked on the basis of independent culling methods of selection. Another set of 12 clones were closely followed to the first set of 11 best clones are also graded as potential clones. The field trials of promising clones have already been undertaken for selecting the site matched clones for commercial culture of Poplar in Eastern parts of Uttar Pradesh.- Clonal Evaluation on Poplar (Populus deltoides Bartr.) in Eastern Uttar Pradesh. II - Estimates of Genetic Parameters in Field Testing
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Indian Forester, Vol 127, No 2 (2001), Pagination: 163-172Abstract
Clonal performance of the 50 promising clones of Populus deltoides, developed within and outside the country, has been statistically analysed at one third of the commercial rotation for six growth parameters viz. survival percentage, plant height, diameter, crown diameter, number of branches and volume. Genotypic and phenotypic coefficient of variation, broad sense heritability on individual plant basis, clone means basis and genetic gains have been worked out for all six growth parameters. Higher heritability was observed in diameter than plant height. Maximum heritability was well as genetic gain were obtained in volume. 30.28% expected genetic gain is achieved from selecting the 10% of 50 clones, i.e. 5 best clones namely 40-N, UDH-9116, 25-N, 63-N and UDH-1002.- Flowering Status of Populus deltoides Clones in India
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Indian Forester, Vol 127, No 2 (2001), Pagination: 249-251Abstract
No abstract- Phenotypic Stability of Agave Species on Bouldery Wastelands (Riverbed) of Doon Valley
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Indian Forester, Vol 123, No 4 (1997), Pagination: 331-337Abstract
Study on seven species of Agave (viz., amaniensis, angustifolia, cantala, elongata, hybrid, miradoransis and sisalana) was carried out to identify the most stable Agave species under bouldery riverbed wastelands of Doon Valley. The analysis of the data indicated that the amount of variability existed not only among species but also in the environments. All these species differed considerably in respect to their stability for different characters under study. Three Agave species (viz., A.angustifolia, A.hybrid and A.miradoransis) did not show stable performance at all, while two species of Agave (viz., A.amaniensis and A.cantala) has shown stable performance for one character only. Agave elongata showed stable performance for four growth characters, while Agave sisalana has shown stable performance for three growth characters and also for the fibre yield. Agave sisalana was found to be the only stable Agave species and hence could be recommended for mass adoption on bouldery wastelands of Doon Valley.- Growth and Phytomass Production in Leucaena leucocephala Under High Density Plantations on Degraded Lands of Doon Valley
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Indian Forester, Vol 122, No 3 (1996), Pagination: 241-246Abstract
Studies on plantation of Leucaena leucocephala were conducted to establish linear prediction ,model of leaf/wood under three different spacings i.e O.5m × O.5m, 0.5 × 1.0m and O.5m × t.5m on degraded riverbed soils of Dehradun. The studies showed that the prediction model of leaf/wood yield with all the three variables was the most reliable model in all the three spacings. The next best reliable linear prediction model ofleaf/wood yield was with two variables, One as height and another either basal diameter or DBH as predictors in all the three spacings.- Effect of Lopping Intensities on Growth and Biomass Production of Bauhinia purpurea L. in North-West Himalaya Low Hill Region
Abstract Views :237 |
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Indian Forester, Vol 122, No 5 (1996), Pagination: 396-403Abstract
The forage potential from Bauhinia purpurea tree bas been fully appreciated in the hill region. Tree lopping for green fodder is resorted without information on scientific lopping management practice i.e. intensity and periodicity of lopping, which is required for optimum sustainable production without damaging the trees. Studies on Bauhinia purpurea planted on field boundary at DehraDun were conducted to compare the effect of two lopping intensities (i.e. 50 to 75 percent) with no lopping on growth of trees and production of fodder on sustained basis. The studies clearly indicated that 50 to 75 percent lopping of Bauhinia purpurea L. trees once in a year do not adversely affect the tree growth. The relationship between leaf yield with growth parameters were also developed.- Statistical Evaluation of Grass Yield from Sabai [Eulaliopsis binata (Retz.) Rubb.] on Bouldery Riverbed of Doon Valley
Abstract Views :227 |
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Indian Forester, Vol 121, No 12 (1995), Pagination: 1124-1129Abstract
Eulaliopsis binata (Retz.) Rubb. a potential industrial grass is recommended for soil formation, preventing erosion and facilitating utilization of eroded dry bouldery in North-West India. The potential of the standing grass was computed through various additive and multiplicative regression models between green or air-dry yield and various growth attributes (plant height, clump diameter and number of tillers) by taking one, two or all the three attributes together. From this study, it was concluded that the prediction of green or air-dry yield can be made precisely through multiplicative model having two growth attributes (viz. plant height and number of tillers) particularly on bouldery riverbed of Doon Valley.- Prediction Model for Thirteen Tree Species Suitable for Agro-forestry Systems in the Himalaya
Abstract Views :242 |
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Indian Forester, Vol 116, No 9 (1990), Pagination: 699-713Abstract
Tree provide nutritious fodder for live-stock during periods of scarce forage in the Himalayas. The leaf fodder of some trees is almost as nutritious as that of leguminous crop. The forage potential from trees is appreciated by people living in billy areas of the Himalayas. The fodder yield from a tree is presenlly estimated after harvesting (or cutting or chopping down) the trees. Therefore, an attempt has been made to establish a relalionship of the forage yield of thirteen tree species, of indeterminate age, by developing suitable prediction model using the d.b.h. (diameter at breast height) or crown diameters as predictors. The studies indicate that the quadratic prediction mode of leaf (branch yield with two variables (d.b.h. and crown diameter) were suitable perdictors of leaf/branch yield in all thirteen species studied.- Screening of Promising Leucaen a Provenances for the Doon Valley
Abstract Views :165 |
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Indian Forester, Vol 115, No 12 (1989), Pagination: 900-904Abstract
The four main types of Leucaena leucocephafa viz. Hawaiin, Salvador, Peruvian and Cunningham were screened in an arboretal study reveal that F-205 (K.8), F-206 (Peruvian) and F-132 (Salvador) are suitable for afforestation in Doon Valley.- Studies on Mycoflora Associated with Seeds of Spices
Abstract Views :254 |
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Indian Forester, Vol 108, No 12 (1982), Pagination: 769-775Abstract
Mycoflora of six kinds of seeds of spices, namely Cumlnum cyminum, Trigonella foenum-graecum. Foeniculum vulgare, Carum carvi, Coriandrum sativum and Capsicum annum has been investigated. Nineteen species of fungi were isolated from seeds. Aspergilli were found to be the most common. The leaf extract of ferns affected germination of both seed and seed fungi. The seed extract, of spice-seeds were also toxic for germination of seed fungi. Five fungicides inhibited spore germination of seed fungi.- Seedling Morphology and Phytomass of Bauhinia retusa Buch.-Ham. Ex Roxb.-A Promising Species for Reforestation of Limestone Spoils in W. Himalaya
Abstract Views :214 |
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Indian Forester, Vol 104, No 7 (1978), Pagination: 385-490Abstract
Observations on the seedling morphology and phytomass of Bauhinia retusa have been recorded ever the period of six months. The species is promising for reforestation of limestone quarry spoils and degraded community lands in the outer hill ranges of Mussoorie and other analogous phyto-climatic regions.- Succession of Vegetation Types in the Tons Valley of the Garhwal Himalayas
Abstract Views :204 |
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Indian Forester, Vol 88, No 4 (1962), Pagination: 289-296Abstract
The Tons valley lie. Between 30°55' and 31°28' N. latitude and 77°22' and 78°38' E. longitude in the Garhwal Himalayas. In the present paper physical features, climate, rock and soil, forest biota and vegetation of the area are described. The vegetation has been divided into various zones according to the altitude. Ecological status of vegetation types in each zone is discussed. Oaks form the climatic climax at the lower altitudes by Quercus incana Roxb. And at the higher altitudes by Quercus semecurpifolia Smith. Pinus roxburghii Sarg. Forests occurring in the subtropical zone are considered to be bioedaphic in nature forming a secondary succession to the oak climax and may be considered as pre-climax or sub-climax in Clement's terminology.- The Vegetation of Coimbatore District
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Indian Forester, Vol 85, No 9 (1959), Pagination: 533-541Abstract
The physical position, configuration of the ground and climate of Coimbatore district are presented. For convenience of description the forest of both Coimbatore North and South are dealt with separately. In the former two types of vegetation are there namely (1) The Southern Tropical Thorn Forest and (2) Southern Tropical Dry Deciduous forest according to champion's classification. While in the latter five types of forests are met with viz. (1) Southern Wet Temperate, (2) Southern Tropical Wet Evergreen, (3) Southern Tropical Moist Deciduous, (4) Southern Tropical Dry Deciduous and (5) Southern Tropical Thorn Forests. The Southern thorn forest generally consists of Acacia latronum as dominant. Anogeissus latifolia is predominant in the Dry deciduous type. In the Moist deciduous forest, Tectona grandis is dominant associated with Terminalia tomentosa. The wet Evergreen forest has mainly species like Hopea parviflora, Mesuaferrea, Calophyllum elatum, etc. Syzygium calophyllifolium, S. arnottianum and Meliosma wightii dominate the Southern wet Temperate forest. Grasslands here are regarded as "Subclimax" principally consisting of Themeda cymbaria and Cymbopogon polyneuros, etc.- Wrapping, Printing and Writing Paper from Taxodium mucronaium
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Indian Forester, Vol 93, No 5 (1967), Pagination: 300-304Abstract
no abstract- Production of Writing and Printing Papers from Prosopis juliflora
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Indian Forester, Vol 96, No 6 (1970), Pagination: 429-432Abstract
Proximate chemical analysis and fibre dimensions of Prosopis juliflora have been recarded. Bleached sulphate pulps have been prepared on the laboratory scale. Laboratory acale experiments were confirmed on pilot plant scale. Laboratory as well as pilot plant scale expetiments have shown that writing and printing papers can be produced by Prosopis juliflora. As the wood was very crooked difficulties were observed in chipping.- Comparative Studies on the Germination, Growth and Seedling Biomass of Two Promising Exotics in Rajasthan Desert (Prosopis juliflora (Swartz) Dc. And Acacia tortilis (Forsk.) Hayne ssp. tortilis)
Abstract Views :204 |
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Indian Forester, Vol 98, No 5 (1972), Pagination: 280-285Abstract
no abstract- Germination, Seedling Behaviour and Phytomass of Some Acacias in the Nursery Stage
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Indian Forester, Vol 99, No 6 (1973), Pagination: 352-358Abstract
no abstract- Synecology of the Grass Covers and Parallelism with Forest Types in Gurhwal Himalaya
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Indian Forester, Vol 100, No 8 (1974), Pagination: 499-509Abstract
no abstract- Heritability, Genetic Gain, Correlation and Principal Component Analysis in Introduced Willow (Salix Species) Clones
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Indian Forester, Vol 138, No 12 (2012), Pagination: 1100-1109Abstract
Juvenile growth traits were studied in the recently introduced clones of Salix species from twelve countries including Croatia, Sweden, Italy, Hungary, Turkey, Japan, Yugoslavia, UK, Belgium, New Zealand, Germany and USA which were screened in the nursery by applying 'augmented completely randomized design' with three check clones (SI-64-017, SI-63-007, Kashmiri willow). Significant differences were recorded for morphological traits among test clones and test verses check clones except in leaf length among test clones and volume index, leaf length and petiole length among check verses test clones. The clones SI-63-016, J-799, PN-722, NZ-1002, PN-733, PN-731, SN-2, S × 61, 194 and 084/03 were found superior to check clones for the growth traits viz., plant height, basal diameter and volume index. Heritability in broad sense (91.08 %) and genetic gain (75.24 %) was found highest for leaf breadth and volume index, respectively. Maximum positive and significant correlation coefficient (0.959) was recorded for basal diameter with volume index. Principal component analysis through correlation matrix revealed that three out of eight components contributed 85.03 per cent of the overall variation out of which the first principal component (λ=3.086) explained 38.57 per cent of the variance weighted maximum (0.937) by volume index. These promising clones selected under the present study will be further tested under multi-location trials to study the genotype x environment interaction at different sites for analysis of suitability of clones.Keywords
Phenotypic coefficient of variation, Genotypic coefficient of variation, Principal component, Heritability- Studies on Progeny Performance, Variability, Heritability, Genetic Gain and Correlation in Ulmus Villosa Brandis at Seedling Stage
Abstract Views :199 |
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Affiliations
1 Department of Tree Improvement and Genetic Resources, COF, Dr. Y.S. Parmar University of Horticulture and Forestry, Nauni, Solan- 173 230, H.P., IN
1 Department of Tree Improvement and Genetic Resources, COF, Dr. Y.S. Parmar University of Horticulture and Forestry, Nauni, Solan- 173 230, H.P., IN
Source
Indian Forester, Vol 140, No 5 (2014), Pagination: 483-488Abstract
The present study on Ulmus villosa was carried out in Himachal Pradesh to know the progeny performance and estimate genetic variability for biomass traits of progenies at nursery stage. Seeds were collected from five mother trees each at six seed sources and progenies were raised. All the biomass characters varied significantly among different seed sources and trees within seed source. Root dry weight was found to have higher coefficient of variability, whereas shoot dry weight and shoot fresh weight had higher heritability with moderate genetic gain suggesting their importance for the success of improvement through selection. Genotypic and phenotypic correlations for all possible pairs were also found out and discussed. Highly significant and positive genotypic and phenotypic correlations were observed for fresh shoot weight with fresh ischolar_main weight and fresh shoot weight with dry shoot weight indicating their significance in the indirect selection.Keywords
Seed Source, Genetic Variability, Progeny, Biomass Traits, Correlation, Phenotypic, And Genotypic Correlations- Temporal Stability Analysis of Resin Yield of Natural Regenerated Chir Pine (Pinus roxburghii Sargent) in Himachal Pradesh
Abstract Views :197 |
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Affiliations
1 Dr. Y.S. Parmar University of Horticulture and Forestry Nauni-Solan, Himachal Pradesh, IN
1 Dr. Y.S. Parmar University of Horticulture and Forestry Nauni-Solan, Himachal Pradesh, IN