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Sreedevi, K.
- Effect of Vitamin C on the Activities of Testicular Phosphatases in Rats Exposed to Lead
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Affiliations
1 Department of Zoology, K.M. Centre for Post Graduate Studies, Pondicherry 605 008, IN
1 Department of Zoology, K.M. Centre for Post Graduate Studies, Pondicherry 605 008, IN
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Journal of Endocrinology and Reproduction, Vol 7, No 1&2 (2003), Pagination: 48-48Abstract
Lead is known to affect the structure and function of various organs and tissues. The reproductive toxicity of lead by its direct effect at the level of gonadal steroidogenesis and indirect effect at the level of hypothalamus or pituitary involving changes in responsiveness to steroid feedback has also been established. However, little information is available on the effect of lead on the testicular biochemistry, especially on membrane bound enzymes. Vitamin C acts as an antioxidant molecule and known to have number of beneficial effects against lead toxicity. The objectives of the present investigation is to study the effect of lead alone and its combination with Vitamin C on the activities of adenosine-Triphosphatases (ATP-ases), acid phosphatase and alkaline phosphatase in the testis of rats.- Implantation of Heterorhabditis indica-Infected Galleria Cadavers in the Soil for Biocontrol of White Grub Infestation in Sugarcane Fields of Western Uttar Pradesh, India
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Authors
Affiliations
1 Division of Nematology, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, IN
2 Division of Entomology, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, IN
1 Division of Nematology, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, IN
2 Division of Entomology, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, IN
Source
Current Science, Vol 112, No 10 (2017), Pagination: 2016-2020Abstract
Over the past 10 years, farmers of Uttaranchal and western Uttar Pradesh, India have been fighting a losing battle against the white grub (Coleoptera: Scarabaeidae) infestation of sugarcane crop. Pesticides have failed to address the problem as evident from the observed infestation levels of 10-24 grubs/m2. During 2008-2014, the Division of Nematology, Indian Agricultural Research Institute, New Delhi launched a biocontrol project involving treatment of the white grub-afflicted fields with entomopathogenic nematodes (EPNs)-infected Galleria mellonella cadavers. This initiative, spread over the districts of Ghaziabad, Meerut, Amroha, Saharanpur, Gajraula, Bulandshahar and Hapur, was undertaken in collaboration with a non-governmental organization - the Foundation for Resources Management and Environmental Remediation - and local sugar mills, and by enlisting the active participation of the farming community. It was perceived that this technology had a greater possibility of evolving into a long-term, sustainable biocontrol strategy if the EPN-infected Galleria were sourced in each village. Capacity-building programmes were undertaken in the villages with special focus on empowering women, and small and marginalized farmers by educating them on rearing and infecting Galleria. This initiative has resulted in an average reduction of 69.1% in the white grub population and an average increase of 60.49 q/acre in sugarcane yield over untreated control.Keywords
Biocontrol Strategy, Galleria mellonella Cadavers, Heterorhabditis indica, Sugarcane, White Grubs.References
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- Koppenhöfer, A. M. and Fuzy, E. M., Steinernema scarabaei for the control of white grubs. Biol. Control, 2003, 28, 47–59.
- Du, X., Liu, Q., Zhang, L., Liang, L., Xie, N. and Zhang, S., Application technology of Steinernema longicaudum BPS strain in peanut fields for chafer grub control. Agrochemicals, 2009, 48, 379–388.
- Guo, W., Yan, X., Zhao, G. and Han, R., Efficacy of entomopathogenic Steinernema and Heterorhabditis nematodes against white grubs (Coleoptera: Scarabaeidae) in peanut Fields. J. Econ. Entomol., 2013, 106(3), 1112–1117.
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- Mohan, S., Singh, J. and Singh, J. P., Field application of Heterorhabditis indica for the management of Holotrichia consanguinea in sugarcane. In National Symposium on Crop Health Management for Sustainable Agri-Horticultural Cropping System, Central Agricultural Research Institute, Port Blair, 2011, p. 147.
- Shapiro-Ilan, D. I., Lewis, E. E., Behle, R. W. and Mcguire, M. R., Formulation of entomopathogenic nematode-infectedcadavers. J. Invertebr. Pathol., 2001, 78, 17–23.
- Del Valle, E. E., Dolinski, C., Barreto, E. L. S., Souza, R. M. and Samuel, R. I., Efficacy of Heterorhabditis baujardi LPP7 (Nematoda: Rhabditida) applied in Galleria mellonella (Lepidoptera: Pyralidae) insect cadavers to Conotrachelus psidii (Coleoptera Curculionidae) larvae. Biocontrol Sci. Technol., 2008, 18, 33–41.
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- Dolinski, C., Choo, H. Y. and Ducan, L. W., Grower acceptance of entomopathogenic nematodes: case studies on three continents. J. Nematol., 2012, 44, 226–235.
- Shapiro-Ilan, D. I., Lewis, E. E. and Tedders, W. L., Superior efficacy observed in entomopathogenic nematodes applied in infectedhost cadavers compared with application in aqueous suspension. J. Invertebr. Pathol., 2003, 83, 270–272.
- Mohan, S., White grub management by H. indica infected Galleria cadavers. IARI News, 2013, 29(1), p. 2.
- Species Diversity of White Grubs (Coleoptera:Scarabaeidae) in the Sub-Himalayan and Northern Plains of India
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Authors
Affiliations
1 Division of Entomology, ICAR-Indian Agricultural Research Institute, Pusa, New Delhi 110 012, IN
2 Department of Bioscience and Biotechnology, Banasthali University, Banasthali 304 022, IN
1 Division of Entomology, ICAR-Indian Agricultural Research Institute, Pusa, New Delhi 110 012, IN
2 Department of Bioscience and Biotechnology, Banasthali University, Banasthali 304 022, IN
Source
Current Science, Vol 113, No 02 (2017), Pagination: 322-329Abstract
White grubs belonging to subfamilies Melolonthinae and Rutelinae of Scarabaeidae (Coleoptera) are ubiquitous pests. Studies during 2013 and 2014 document the species diversity of white grubs in the sub- Himalayan and northern plains of India. Surveys conducted in four states, viz. Himachal Pradesh, Uttarakhand, Uttar Pradesh and Rajasthan revealed high species diversity representing 65 species under 16 genera. The species richness, evenness and composition varied among the states. Higher species diversity was recorded in Uttarakhand and Himachal Pradesh of the sub-Himalayan region when compared to Uttar Pradesh and Rajasthan of the northern plains. The species abundance distribution followed log normal distribution in all places except Uttarakhand, where the curve skewed to the left due to overweight of species with low abundance. The species dominance and abundance patterns in different regions are presented. The new distributional records, Anomala pictipes Arrow and Popillia macclellandi Hope from Uttarakhand, Anomala propinqua Arrow and Popillia marginicollis Hope from Himachal Pradesh and Anomala stenodera Arrow from Uttar Pradesh are provided.Keywords
Abundance Models, Melolonthinae, Rutelinae, Species Diversity, White Grub.References
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- In Vitro Rearing and Gallery Tunnelling Pattern of Island Pinhole Borer, Xyleborus perforans (Wollaston), A Scolytid Associated with Pomegranate Wilt Complex
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Authors
Affiliations
1 ICAR-Indian Institute of Horticultural Research, Hesseraghatta Lake PO, Bengaluru 560 089, IN
1 ICAR-Indian Institute of Horticultural Research, Hesseraghatta Lake PO, Bengaluru 560 089, IN
Source
Current Science, Vol 118, No 2 (2020), Pagination: 195-198Abstract
Wilt, a devastating disease in pomegranate (Punica granatum L.) plantations causes complete death of young and old plants alike. This disease has become a threat to crop cultivation across the major pomegranate- growing countries like India, China, Iran and Greece, posing a potential crisis for farmers. Wilt-affected plants exhibit gradual yellowing, drying of leaves in a particular branch that spreads to others, leading to dieback and finally the infected plant dies within the next few weeks1,2. Pioneering studies have revealed that this disease shows symptoms caused by many contributing biotic and abiotic factors. Several biotic factors like fungal pathogens (viz. Ceratocystis fimbriata, Fusarium spp., Macrophomina phaseolina, Phytophthora spp., Rhizoctonia bataticola, Rosellenia necatrix, Verticillium dahliae), insects (scolytid beetle, Xyleborus perforans (Wollaston)) and nematodes (ischolar_main-knot nematode, Meloidogyne incognita) were found to play a crucial role in disease progression3.References
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