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Karthikeyan, A.
- Application of Bio-fertilizers for Quality Seedling Production of Azadirachta indica A. Juss
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Indian Forester, Vol 133, No 8 (2007), Pagination: 1045-1051Abstract
An experiment was conducted on Azadirachta indica A. Juss inoculated with bio-fertilizers under nursery conditions. The bio-fertilizers VAM fungi, Azospirillum and Phosphobacterium were inoculated individually or in various combinations in sterile soil along with A. indica seedlings. Then the seedlings were harvested at 120 days after transplantation. The biofertilizer inoculated seedlings resulted in increased plant height, ischolar_main collar diameter and biomass. The combined microbial inoculations resulted in quality seedlings in nursery.
- Biological Observations of Himertula vidhyavathlae Sp. Nov (Orhtoptera : Tettigoniidae : Phaneropterinae) under Laboratory Conditions
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Indian Forester, Vol 130, No 12 (2004), Pagination: 1459-1468Abstract
From a global perspective the Tettigoniids or the Long-horned grasshoppers, appear to be a lesser known group of orthopteroid insects, probably because of the difficulties in sampling, laboratory rearing, and also because of its behavioural and ecological uniqueness. Available information on the bioecological characteristics of tettigoniids around the world is very meager. Moreover, no record is available on the biology of Tettigoniidae of Indian subcontinent. The paper presents the mating and ovipositional behaviour of tettigoniid species Himertula vidhyavathiae Ingrisch and Muralirangan, 2003.- Trichoderma viride a Mycoparasite for the Control of Phytophthora cinnamomi
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Indian Forester, Vol 129, No 5 (2003), Pagination: 631-634Abstract
A laboratory experiment was condncted to study the biocontrol effect of Trichoderma viride on Phytophthora cinnamomi. Simultaneously, the chemical treatments like carbendazim and Zn dust individually and in combinations were applied on P. cinnamomi. In this experiment, T. viride suppressed the growth of P. cinnamomi and zoosporangial development more effectively than other chemical treatments. It is, therefore, concluded that applying T. viride against P. cinnamomi might be an eco-friendly method for controlling the disease.- Studies On the Mortality of Cedrus deodara (Roxb.) L. Don. in Chail forest (H.P.) and its Causative Factors
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Indian Forester, Vol 126, No 12 (2000), Pagination: 1326-1332Abstract
A study has been undertaken in the diseased Cedrus deodara (Roxb.) L.Don (Deodar) forests I\t Chail (Himachal Pradesh) to find out the causative factor of the disease and their mortality. The infected trees showed yellowing, shortening needles and the causative pathogen was identified as Phytophora cinnamomi which is causing ischolar_main rot disease. The rhizosphere soil samples of the disease-affected trees showed higher soil moisture due to blockage of water conductivity. The results of the study explicit that the fungus causes water stress in the diseased trees because of ischolar_main rot. Under favourable moisture conditions the activity of the pathogen becomes vigorous. However, studies are under investigation to control the disease.- Effect of Bio-fertilizers on Growth of Terminalia chebula Retz. Seedlings in Nursery
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Indian Forester, Vol 136, No 5 (2010), Pagination: 604-609Abstract
Response of Terminalia chebula Retz. To application with three different Biofertilizers like Azospirillum, phospobacteria and vesicular arbuscular mycorrhizal (VAM) and four different Biofertilizers combinations like Azospirillum with Phospobacteria, Azospirillum with VAM Phospobacteria with VAM and Azospirillum with Phospobacteria and VAM was studied under nursery condition. The plants were assessed for increment in height, stem girth, collar diameter and number of leaves at 30, and 60 days of treatment. The treatment with combination of Azospirillum 5g + Phospobacteria 5g to polythene bags (22 × 15 cm) containing soil, sand and FYM (2:1:1) showed higher growth in height, stem girth and ischolar_main collar diameter. Seedling treated with VAM also had greater shoot and leaf biomass. The use of Biofertilizers such as Azospirillum, Phospobacteria and Vesicular Arbuscular Mycorrhizal fungi (VAM) on Terminalia chebula to solve the problem of slow growth of seedlings is discussed.Keywords
Terminalia chebula, Biofertilizers, Nursery, Vesicular Arbuscular Mycorrhiza, Phospobacteria- Nodulation in Casuarina equisetifolia Rooted Stem Cuttings by Inoculation of Frankia
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Indian Forester, Vol 137, No 9 (2011), Pagination: 1130-1131Abstract
no abstract- Nodulation in Rooted Stem Cuttings of Acacia auriculiformis A. Cunn. Ex. Benth
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Affiliations
1 Institute of Forest Genetics and Tree Breeding, Coimbatore– 641 002 (Tamil Nadu), IN
1 Institute of Forest Genetics and Tree Breeding, Coimbatore– 641 002 (Tamil Nadu), IN
Source
Indian Forester, Vol 139, No 11 (2013), Pagination: 1046-1047Abstract
No AbstractReferences
- Kushalappa, K.A. (1991). Performance of Acacia auriculiformis in India In: Advances in tropical Acacia research. Proceedings of International workshop held in Bangkok, Thailand, Feb 11-15, 1991. Pp 189-193.
- Karthikeyan, A., Sathishkumar, S.R. and Sakthivel, K.M. (2011). Nodulation in Casuarina equisetifolia ischolar_mained stem cuttings by inoculation of Frankia. Indian Forester, 137(9): 1130-1131.