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Efeito residual do herbicida Kifix® nas culturas de arroz, feijão e sorgo.

XAVIER, A. N.; GODOI, W. M.; COLETA, R. F.; LACERDA, M. C.
Fonte: In: SEMINÁRIO JOVENS TALENTOS, 7., 2013, Santo Antônio de Goiás. Coletânea dos resumos apresentados. Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2013. Publicador: In: SEMINÁRIO JOVENS TALENTOS, 7., 2013, Santo Antônio de Goiás. Coletânea dos resumos apresentados. Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2013.
Tipo: Resumo em anais de congresso (ALICE) Formato: p. 19.
PT_BR
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As culturas produzidas nos dias atuais necessitam cada vez mais de herbicidas eficazes para o manejo e controle de plantas daninhas nos mais diversos sistemas produtivos integrados. Portanto, torna-se necessário soluções inovadoras que possibilitam o aumento da produtividade com pouco impacto ao agroecossistema. Nesse sentido, este trabalho objetivou determinar o efeito residual do herbicida Kifix® (Imazapir 525 g.kg-1 + Imazapique 175 g.kg-1) em solos de um sistema de integração lavoura pecuária.; 2013; Apresentação oral - graduação.

Estudo de metarhizium anisopliae (metsch) sorok: toxicidade a compostos extraídos de tibraca limbativentris stal (heteroptera: pentatomidae), efeitos de agroquímicos utilizados na cultura do arroz e aumento da patogenicidade a T. limbativentris com doses subletais de inseticidas químicos; Study of metarhizium anisopliae (metsch) sorok: toxicity of the compounds extracted from tibraca limbativentris stal (heteroptera: pentatomidae), effects of agrochemicals used in rice crops and enhanced pathogenicity to T. limbativentris with sublethal doses of chemical insecticides

Silva , Rodrigo Alves da
Fonte: Universidade Federal de Goiás; Brasil; UFG; Programa de Pós-graduação em Química (IQ); Instituto de Química - IQ (RG) Publicador: Universidade Federal de Goiás; Brasil; UFG; Programa de Pós-graduação em Química (IQ); Instituto de Química - IQ (RG)
Tipo: Tese de Doutorado Formato: application/pdf
POR
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This study was divided in chapters that include various aspects of the interaction between the entomopathogenic fungus M. anisopliae with rice stink bug T. limbativentris as follows: Chapter 1 (Theoretical considerations) describes an introduction about the elements involved in this study as: the importance of rice crops for Brazil, as well as socio-economic and planted areas with this crop. It also covers information about life cycle and ecology of the rice stink bug, Tibraca limbativentris stal (1869) along with its importance as a pest. Chemical and biological control measures are discussed as well. Regarding the entomopathogenic fungus Metarhizium anisopliae (Metsch.) Sorokin, general aspects of taxonomy, morphology, infection process of this fungus to their hosts and virulence factors were also addressed. To sum up, chemical ecology was explored addressing intraspecific and interspecific interactions among insect family pentatomidae with emphasis on studies of chemical compounds of defense in order to understand the natural resistance of this group of insects to entomopathogenic fungi. Chapter 2 (Toxicity of compounds extracted from the cuticle and the stink methatoracic gland (MTG) of T. limbativentris to the fungus M. anisopliae) describes the susceptibility of different life stages of T. limbativentris to M. anisopliae and correlates these results with the fungicidal activity of aldehydes (E)-2-octenal and (E)-2-dedecenal extracted from metathoracic scent glands (MTG) of adults as well as the (E)-2-hexenal...

Crescimento de plantas de arroz sob aplica????o de herbicidas do grupo das imidazolinonas e sua atividade residual em plantas bioindicadoras; Growth of rice plants under application of herbicides imidazolinone and its residual activity in bioindicators plants

SOUSA, Camila Pinho de
Fonte: Universidade Federal de Pelotas; Biologia; Programa de P??s-Gradua????o em Fisiologia Vegetal; UFPel; BR Publicador: Universidade Federal de Pelotas; Biologia; Programa de P??s-Gradua????o em Fisiologia Vegetal; UFPel; BR
Tipo: Dissertação Formato: application/pdf
POR
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The objective of this research was: a) evaluate the effect of imidazolinone chemical group herbicides on the growth of plants and the injuries to the photosynthetic apparatus of three rice types (varieties) exposed to these and b) evaluate the effect of soil residual herbicides imazethapyr+ imazapic on corn, cucumber, radish and tomato are used as bioindicators. At first experiments we used the herbicide Only?? and Kifix??, using a randomized split plot design in a factorial 5x3 with six replications, with the first factor rates corresponded to 0, 5, 10, 15 and 20 mg p. c. m-2 of commercial product Only?? and 0, 7, 14, 21 and 28 mg p. c. m-2 of commercial product Kifix??, and factor B type of rice (cultivated rice cv. Puit?? Inta CL, red rice ecotype sensitive to herbicides Imidazolinone and red rice ecotype with suspected herbicide tolerance imidazolinone). We evaluated the parameters of chlorophyll a fluorescence, phytotoxicity, plant height and dry mass. Analysis of chlorophyll a fluorescence was performed using a portable fluorometer (HandyPEA, Hanstech). It was concluded that cv. Puit?? Inta CL is tolerant to herbicides Only?? and Kifix?? and can be used in the Clearfield?? system and the red rice ecotype with suspected tolerance was tolerant to both herbicides...