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In non-irrigated agricultural fields in tropical zones, high temperature and water stress prevail during the main cropping season. Natural epizootics of Beauveria bassiana on lepidopteran pests occur during winter. Application of B. bassiana during hot months when pest populations are at their climax may prove an effective management strategy. Therefore, 29(More)
The entomopathogenic Beauveria bassiana is a potential biopesticide. Fungicide-tolerant isolates of this fungus would have an added advantage of being compatible with the conventional chemical methods of pest control. Therefore, 30 isolates of the fungus were screened for tolerance to bavistin a commonly used benzimidazole fungicide containing methyl(More)
Direct differentiation of shoot buds from the collar region of hypocotyl segments of Coffea canephora was obtained on Murashige and Skoog (MS) medium supplemented with 40 μM silver nitrate (AgNO3) and growth regulators indole-3-acetic acid (IAA) and N6 benzyladenine (BA). The highest response to shoot differentiation of 60% frequency and the maximum number(More)
Polyamines are essential compounds for growth and development in plants. An attempt has been made to find out the endogenous polyamine profiles in various parts and during the ontogeny of fruit formation of two commercially important Coffea species viz., arabica and canephora. Putrescine (Put), spermine (Spm) and spermidine (Spd) are the predominant(More)
Direct differentiation of shoot buds in Coffea dewevrei was evident from the seedling shoots with collar region and also from collar region end of hypocotyl segments in presence of 40 μM AgNO3, 8.88 μM of BA and 2.85 μM of IAA. Apart from this, shoot end of hypocotyl explants mainly supported yellow friable callus or somatic embryos. Subsequent transfer to(More)
Salt stress is a major environmental factor in arid and semi-arid regions and influences many aspects of plant development. Salinity results in generation of various free radicals that can potentially damage the cellular constituents in plants. Plants were able to effectively reduce the damage caused by these free radicals by a way of enzymatic and non(More)
In Long term evaluation (LTE) systems advanced wireless communication technique is used to minimize the Multiple Access Interference (MAI). Both transmitter and receiver are responsible for the better throughput and minimum error rate. Transmitter plays the major role and needs little efficient modification in terms of transmission power and modulation(More)
Climatic change has become increasingly recognized as one of the greatest challenges to humankind and all other life on earth. The productivity of plants is greatly affected by various environmental stresses. Plant stress is a condition where excessive salts in soil solution cause inhibition of plant growth or plant death. Salinity stress negatively impacts(More)
The use of biopesticides compatible with chemical pesticides is recommended in pest management as an effective and ecologically sound strategy. The entomopathogenic fungus Beauveria bassiana (Balsamo) Vuill, which is used as a biopesticide, was found to exhibit and lose tolerance to two organophosphorus insecticides widely used in Indian fields. The pattern(More)