Sokoine University of Agriculture

Impact of spatio-temporal simulations of rat damageon yield of rice (Oryza sativa L.) and implications forrodent pest management

Show simple item record Mulungu, L.S Lagwen, P.P Mdang, M.E Kilonzo, B.S Belmain, S.R 2021-07-20T05:42:30Z 2021-07-20T05:42:30Z 2014-11-29
dc.identifier.citation L.S. Mulungu, P.P. Lagwen, M.E. Mdangi, B.S. Kilonzo & S.R. Belmain (2014) Impact of spatio-temporal simulations of rat damage on yield of rice (Oryza sativa L.) and implications for rodent pest management, International Journal of Pest Management,Vol 60:4, 269-274 en_US
dc.identifier.issn 0967-0874
dc.description This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. en_US
dc.description.abstract Rodents often damage crops throughout the growing season, from germination to harvest, thus making it difficult to understand the cumulative effects of rodent damage for crops such as rice that are able to partially compensate for damage. Compensation can make it difficult to understand the impact of variable rodent damage in terms of when the damage occurs, its severity and thus when, whether and how rodent pests should be controlled. The compensatory responses of rice to simulated rat damage carried out at different growth stages and at different spatial levels of severity showed that higher yield was recorded during the wet season in comparison to the dry season. However, yield loss was observed during all cropping stages for all levels of simulated damage for wet and dry season crops, with significant compensation noted at the transplanting [14 days after sowing (DAS)] and vegetative (45 DAS) stages. Only damage at the maturity (110 DAS) stage resulted in significant reductions in rice crop yield. Seasonal differences suggest water availability was an important factor that perhaps enhanced rice production. The ability of rice to compensate for early rodent damage could potentially reduce a farmer's perception of damage. However, failing to control rodents at these earlier crop growth stages could lead to increased rodent populations at the time of maturity when compensatory effects are limited. en_US
dc.description.sponsorship The cooperation of farmers and village leaders in Hembeti village and the technical field support provided by Messrs Khalid S. Kibwana, Omary Kibwana, Shabani Lutea, Geoffrey Sabuni and Ramadhani Kigunguli of the Pest Management Centre, Sokoine University of Agriculture, Morogoro, Tanzania. en_US
dc.language.iso en en_US
dc.publisher Taylor & Francis en_US
dc.subject Yield loss en_US
dc.subject Rodents en_US
dc.subject Crop damage en_US
dc.subject Crop yield en_US
dc.title Impact of spatio-temporal simulations of rat damageon yield of rice (Oryza sativa L.) and implications forrodent pest management en_US
dc.type Article en_US
dc.url en_US

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