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Nāgpur, India

Gahukar R.T.,Arag Biotech Pvt. Ltd.
Journal of Forestry Research | Year: 2010

This review discusses the bioefficacy of natural products (derived from neem and other tropical trees) which have been used against insect pests and diseases attacking forest trees in India. These products are effective, cheaper and eco-friendly and act as antifeedant, repellent, sterility inducing, toxic or regulate insect growth. Integration of these products in forest pest management strategies would enhance the sustainability of forests and prevent the deterioration of wood quality. © 2010 Northeast Forestry University and Springer-Verlag Berlin Heidelberg. Source


Gahukar R.T.,Arag Biotech Pvt. Ltd.
Crop Protection | Year: 2012

Medicinal plants are attacked regularly by insects, mites, nematodes, bacteria, fungi and viruses. Leaf and seed extracts in water (5-10%), seed cakes (250 kg ha-1), crude oils (0.5-3%) or essential oils (3000 ppm) have been effectively used to control inter alia, the sap sucking pests, foliar diseases and root-knot nematodes. Traditional and commercial products, especially those derived from neem (Azadirachta indica A. Juss.) leaf or kernel, are common in medicinal crops. Since use of plant products including allelochemicals resulted in reasonably effective, ecofriendly and cheaper pest and disease management, and crude extracts are easy to prepare, they may be integrated in crop protection strategies to enhance global exploration of medicinal plants. © 2012 Elsevier Ltd. Source


Gahukar R.T.,Arag Biotech Pvt. Ltd.
Outlook on Agriculture | Year: 2010

The extent and impact of the adoption of improved technology by cotton farmers was assessed during the 2003, 2004 and 2005 crop seasons in the Nagpur and Wardha districts in Maharashtra (central India). The package of improved practices consisted mainly of recommended cultural practices, including the timely application of recommended doses of plant nutrients, the management of water, insect pests and plant diseases in rainfed/dry land, and irrigated cultivation. Precautionary measures for avoiding any possible admixture of genotypes and contamination with dust, dry leaves, pieces of plastic, etc during storage were adopted. The data in project fields compared with non-project/farmers' fields in 164 villages showed a reduction of up to 60% in the cost of plant protection in rainfed cultivation in the Wardha district. In both districts, increases of 20-46% in yield of seed cotton in rainfed and 22-52% in irrigated cultivation, and significant improvement in lint quality were noted. Overall, there was a net profit of Rs5,802- 7,343/ha (US$145-184), or 47-115% in rainfed and Rs6,438-7,561 (US$161-189), or 53-55%, in irrigated cultivation in project fields over non-project fields. These tangible benefits were achieved through awareness programmes held in the project villages on the practicality and cost-effectiveness of improved technology. Source


Gahukar R.T.,Arag Biotech Pvt. Ltd.
Journal of Forestry Research | Year: 2015

Host plants of domesticated silkworms in tropical countries are attacked by an array of insect pests, disease pathogens and nematodes. In order to reduce resulting plant damage, chemicals have been extensively used. In recent years, products extracted/isolated from 47 plant species have been tested as replacements for or to minimize the use of hazardous chemicals. Bioefficacy of the extract in water or chemical solvent, crude seed/leaf oil, and cake is discussed, and integrated management of major and occasional pests and plant diseases is proposed in sericultural plants in order to produce chemical-free foliage. © 2015, Northeast Forestry University and Springer-Verlag Berlin Heidelberg. Source


Gahukar R.T.,Arag Biotech Pvt. Ltd.
Journal of Horticultural Science and Biotechnology | Year: 2011

Chemical pesticides are used extensively in gardens and glasshouses to deter or kill insects, nematodes, and various pathogens, and to maintain the quality of flowers required for export or local retail marketing. Since flowers without chemical residues are preferred by customers, alternatives to artificial (man-made) chemicals are being sought. At present, crude plant extracts and oils have been exploited in traditional preparations, and more recently formulated products, especially those based on neem (Azadirachta indica A. Juss.), are available locally at the village level. The potential benefits include economic and environmental aspects, as well as their comparable efficacy. It is hoped that further research and development will result in an increased number of natural plant products being recommended and used in floriculture in the future. Source

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