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Guia para o reconhecimento de inimigos naturais de pragas agrícolas. Infoteca-e
SILVA, A. de C..
bitstream/item/90268/1/ALESSANDRA-2013-CARTILHA-GUIA-INIMIGOS-NATURAIS-IMPRESSAO02-AGOSTO2013.pdf
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: Controle biológico natural; Pragas agrícolas; Natural biological control.; Agricultural pests.
Ano: 2013 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/963933
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AN INITIAL INVESTIGATION OF THE POTENTIAL FOR HERMETIC PURDUE IMPROVED CROP STORAGE (PICS) BAGS TO IMPROVE INCOMES FOR MAIZE PRODUCERS IN SUB-SAHARAN AFRICA AgEcon
Jones, Michael; Alexander, Corinne E.; Lowenberg-DeBoer, James.
Pests like the larger grain borer (P. truncatus) and the maize weevil (S. zeamis) cause significant storage losses for African maize producers. The value of storage protection to a market-oriented farmer is a function of price seasonality, value loss prevention, and their opportunity costs of capital. Evidence suggests that hermetic technologies like Purdue Improved Crop Storage (PICS) bags can be effective against these key maize storage pests, but sustainable technology transfer requires that it be profitable for producers. This analysis references dry weight loss figures from key life science articles and builds on previous value loss research to provide a geographic model for potential storage technology adoption. PICS bag profitability with one and...
Tipo: Working or Discussion Paper Palavras-chave: Agricultural pests; Technology adoption; Maize; Larger grain borer; Hermetic storage; Storage economics; Agribusiness; International Development; Research and Development/Tech Change/Emerging Technologies; Q16; Q13; O33.
Ano: 2011 URL: http://purl.umn.edu/115554
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Profitability of Hermetic Purdue Improved Crop Storage (PICS) Bags for African Common Bean Producers AgEcon
Jones, Michael; Alexander, Corinne E.; Lowenberg-DeBoer, James.
Bruchid species like Acanthoscelides obtectus (Coleoptera) and Zabrotes subfasciatus (Coleoptera) cause significant storage losses for African common bean producers. The value of storage protection to a market-oriented farmer is a function of price seasonality, value loss prevention, and their respective opportunity costs of capital. Evidence suggests that hermetic technologies like Purdue Improved Crop Storage (PICS) bags could be effective against key legume storage pests, but sustainable technology introduction requires that it be profitable for producers. While PICS bag effectiveness against these specific common bean bruchid species is still under investigation, this analysis references dry weight loss figures from life science articles and builds...
Tipo: Working or Discussion Paper Palavras-chave: Agricultural pests; Technology adoption; Phaseolus vulgaris; Hermetic storage; Storage economics; Agribusiness; International Development; Research and Development/Tech Change/Emerging Technologies; Q16; Q13; O33.
Ano: 2011 URL: http://purl.umn.edu/117708
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The population dynamics of three polyphagous owlet moths (Lepidoptera: Noctuidae) and the influence of meteorological factors and ENSO on them Rev. Bras. entomol.
Fonseca-Medrano,Magaly; Specht,Alexandre; Silva,Fernando Antônio Macena; Otanásio,Pollyanna Nunes; Malaquias,Juaci Vitória.
ABSTRACT The owlet moths (Lepidoptera: Noctuidae) Anicla infecta (Ochsenheimer 1816), Elaphria agrotina (Guenée 1852) and Spodoptera frugiperda (J.E. Smith 1797) occur in the entire American continent. These polyphagous moths have a preference for grasses, and have different biological habits. In this study, the populations of these three species were evaluated monthly with light traps in the Brazilian Savannah, ranging a span of four crop seasons (from July, 2013 to June, 2017). The population data were analyzed and correlated with the meteorological variables: maximum temperature, minimum temperature, relative humidity and precipitation. A total of 4719 individuals were collected in the following percentages: A. infecta (n = 459; 9.73%), E. agrotina (n =...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agricultural pests; Anicla infecta; Elaphria agrotina; ENSO; Spodoptera frugiperda.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262019000400308
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