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Compatibility of polymers to fungi Beauveria bassiana and Metarhizium anisopliae and their formulated products stability Agronomy
Wenzel Rodrigues, Inajá Marchizeli; Batista Filho, Antonio; Giordano, Isabella Barichello; Denadae, Bárbara Evelin; Fernandes, João Batista; Forim, Moacir Rossi.
Stability during storage is a limiting factor in the development and use of bioinsecticides. This study aims to evaluate the compatibility of the entomopathogenic fungi Metarhizium anisopliae and Beauveria bassiana with components used in encapsulated formulations and to evaluate shelf-life in formulations with B. bassiana. Sodium alginate and maltodextrin, hemicellulose, and dimethyl sulfoxide solvents were evaluated. Compatibility was evaluated by mixing the components with PDA, and the parameters evaluated were vegetative growth, sporulation and viability. The formulations of fungi were prepared in various concentrations of sodium alginate and then added drop-wise to calcium chloride. To evaluate the stability, formulations were stored at 26.5, 4.0, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Microbial control; Formulations; Entomopathogens; Encapsulation; Shelf-life; Microbiology..
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32903
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Controlled release formulations of herbicides based on micro-encapsulation Ciencia e Investigación Agraria
Sopeña,Fátima; Maqueda,Celia; Morillo,Esmeralda.
Annual worldwide losses to weeds are estimated to comprise approximately 10-15% of attainable production among principal food sources. Worldwide consumption of herbicides represents 47.5% of the 2 million tons of pesticide consumed each year. However, the heavy use of herbicides has given rise to serious environmental and public health problems. It is therefore important to develop new herbicide formulations that are highly effective, that are safer (for the worker and for the environment), and that involve a low cost/production ratio. In this sense, Controlled release formulations of herbicides have become necessary in recent years, since they often increase herbicide efficacy at reduced doses. The present work reviews in detall the components of various...
Tipo: Journal article Palavras-chave: Adjuvant; Contamination; Control; Delivery system; Formulations; Herbicide; Micro-encapsulation; Weed control.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202009000100002
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ชีวภัณฑ์เชื้อแบคทีเรียปฏิปักษ์ Bacillus subtilis B076 เพื่อการเคลือบเมล็ดและพ่นทางใบ เพื่อควบคุมเชื้อแบคทีเรีย Acidovorax avenae subsp. citrulli Thai Agricultural
Kuson Thomma; Pisan Sirithorn.
Antagonistic activity of bacterium B. subtilis B076 on nutrient agar medium (NA) to Acidovorax avenae subsp. citrulli (Aac) isolate KK9 causal agent of bacterial fruit blotch, in the laboratory of Agricultural Biotechnology Research Center for Sustainable Economy Khon Kaen University. The results revealed that the B. subtilis B076 could exhibit the inhibition zone of diameter 1.94 cm. When cultured the bacterium antagonist in nutrient broth (NB) added with 2% glucose, the maximum ratio of heat tolerant cells production (61%) was obtained five days of incubation. The pellets of antagonistic bacteria were freeze dried by lyophilizer, the number of bacterial cell declined by 42.7%. The dust of bacterium after homogenizing with seed coating formulation...
Tipo: PhysicalObject Palavras-chave: Cantaloupe; Bacterial antagonist; Bacillus subtilis; B076; Bacterial fruit blotch; Seed coating; Seed treatment; Spraying; Biological control; Disease control; Acidovorax avenae; Formulations; แคนตาลูป; แบคทีเรียแบซิลลัส ซับทิลิส; เชื้อแบคทีเรียปฏิปักษ์; โรคผลเน่า; การเคลือบเมล็ด; การฉีดพ่นทางใบ; การยับยั้งการเจริญของเชื้อแบคทีเรีย; การควบคุมโรคโดยชีววิธี; ชีวภัณฑ์สูตรน้ำ; ประสิทธิภาพการควบคุมเชื้อแบคทีเรีย.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5736
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