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Control of San Jose Scale Nymphs, Diaspidiotus perniciosus (Comstock), on Almond and Apple Orchards with Pyriproxyfen, Phenoxycarb, Chlorpyrifos, and Mineral Oil Chilean J. Agric. Res.
Sazo,Luis; Araya,Jaime E; Esparza,Sergio.
The effect of pyriproxyfen, phenoxycarb, chlorpyrifos, and mineral oil in the control of first generation nymphs of the San Jose scale (SJC), Diaspidiotus perniciosus (Comstock), in almond, Prunusdulcis (Mill.) D.A. Webb, and apple, Malusdomestica Borkh. orchards was studied in the 2001-2002 season in central Chile. One and two sprays of pyriproxyfen 0.07% and phenoxycarb 0.05% were applied, the first at the beginning of the appearance of nymphs in early spring (biofix), and the other 15 days later, and were compared with one spray of chlorpyrifos 0.08% applied at the biofix. Also, one and two sprays of mineral oil 1% were evaluated, the first applied 7 days after the biofix, and the second 15 days after the first spray. Evaluations were done in the...
Tipo: Journal article Palavras-chave: Mineral oil; Phenoxycarb; Pyriproxyfen; San Jose scale.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392008000300008
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Fruit quality in the peach and nectarine with application of hydrogenated cyanamide and mineral oil Rev. Ciênc. Agron.
Leonel,Sarita; Leonel,Magali; Tecchio,Marco Antonio.
This work evaluated the quality of the fruit in peach and nectarine cultivars with and without the application of hydrogenated cyanamide and mineral oil, for two production cycles (2009 and 2010). The experiment was carried out at the School of Agricultural Science of the São Paulo State University (UNESP), at Botucatu in the Brazilian state of São Paulo, located at latitude 22º51'55" S and longitude 48º26'22" E, at an altitude of 810 m. The predominant climate type is warm temperate (mesothermal) with rains in the summer and dry in the winter. The following were evaluated: soluble solids, titratable acidity, pH, ratio, firmness, vitamin C and pulp yield. The use of hydrogenated cyanamide and mineral oil had no effect on the quality attributes of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Peach; Nectarine; Hydrogenated Cyanamide; Mineral oil.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902014000300020
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Potential of adjuvants to reduce drift in agricultural spraying REA
Oliveira,Rone B. de; Antuniassi,Ulisses R.; Mota,Alisson A. B.; Chechetto,Rodolfo G..
The reduction of pesticide spraying drift is still one of the major challenges in Brazilian agriculture. The aim of this study was to evaluate the potential of different adjuvant products, such as surfactants, drift retardants, mineral oil and vegetable oil for reducing drift in agricultural spraying. The experiment consisted of quantifying drift of sprayings of 18 adjuvants dissolved in water under controlled conditions in a wind tunnel. Tests were performed in triplicates with spraying nozzles type Teejet XR8003 VK, pressure of 200kPa and medium drops. Solutions sprayed were marked with Brilliant Blue dye at 0.6% (m v-1). The drift was collected using polyethylene strips transversally fixed along the tunnel at different distances from the nozzle and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Wind tunnel; Drift retardant; Mineral oil; Vegetable oil; Surfactant.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162013000500010
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