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Population density of Tibraca limbativentris on flood irrigated rice and alternative host plants PAB
Pasini,Mauricio Paulo Batistella; Lúcio,Alessandro Dal’Col; Cargnelutti Filho,Alberto; Ribeiro,Ana Lúcia de Paula; Zamberlan,João Fernando; Lopes,Sidinei José.
Abstract: The objective of this work were to evaluate the population dynamics of the rice stem bug (Tibraca limbativentris) around and in flood irrigated rice cultivation area, to quantify the insect population flow between crops and host plants, and to determine the effect of the species, the diameter of the plant, and the distance of the host plant from the border on the rice stem bug population. The work was conducted in the 2012/2013 harvest and in the off-season, with sampling of rice, Andropogom bicornis, and Andropogon lateralis plants in six cultivated areas, in order to count the number of insects. The population density of the rice stem bug in irrigated rice and alternative host plants presents spatial and temporal dependence. In the cultivated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Oryza sativa; Geostatistics; Population dynamics; Quiescence; Rice stem bug.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000300265
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Ongoing quiescence in the Borborema Plateau Plague focus (Paraiba, Brazil) Anais da ABC (AABC)
ZEPPELINI,CAIO G.; DE ALMEIDA,ALZIRA M.P.; CORDEIRO-ESTRELA,PEDRO.
Abstract Plague is a zoonosis caused by Yersinia pestis, whose cycle is based on a reservoir system composed of mammals and their fleas. Its transmission cycle presents long enzootic periods with undetected cases, sometimes misleading that the cycle is extinct. While surveillance activities in Brazil are being carried out only in some focal areas, the serologic results confirm the persistence of Y. pestis in all monitored areas. We studied the small mammal assembly and Y. pestis presencein the Borborema Plateau Focus within the state of Paraíba, which staged the last Brazilian plague outbreak (1986-1987), through aninventory and Y. pestis detection survey of small mammals in peridomestic and sylvatic areas from two municipalities in the state of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Small mammals; Peridomestic environment; Yersinia pestis; Quiescence; Surveillance.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000603007
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