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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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Pentatomids associated with blackberry Ciência e Agrotecnologia
Pasini,Mauricio Paulo Batistella; Dal'Col Lúcio,Alessandro.
Information concerning the presence of stink bugs in blackberry (Rubus spp.) in Brazil is sparse. This study aimed to identify the stink bug species associated with blackberry, to establish the daily dynamics and evaluate the fruits damage. The experiment was conducted in Santa Maria, Rio Grande do Sul State, Brazil, in blackberry orchard. Presence and evaluations of stink bugs were done weekly through visual and sweeping samplings at different day times. Five species of pentatomids were identified: Piezodorus guildinii, Nezara viridula, Euschistus heros, Dichelops furcatus and Edessa meditabunda. The bugs attack the drupelets producing a dark brown spot and wrinkled berries.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dichelops furcatus; Euschistus heros; Edessa meditabunda; Nezara viridula; Piezodorus guildinii.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542014000300005
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