Gossypium Resistance Genetic
Mostrando 1-6 de 6 artigos, teses e dissertações.
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1. Inheritance of resistance to cotton blue disease.
The objective of this work was to determine the inheritance of cotton blue disease resistance by cotton plants. Populations derived from the CD 401 and Delta Opal resistant varieties were evaluated, through a greenhouse test with artificial inoculation by viruliferous aphids. Cotton blue disease resistance is conditioned by one dominant gene, both in CD 401
Pesquisa Agropecuária Brasileira. Publicado em: 2011
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2. Adaptabilidade de híbridos entre Gossypium barbadense E G. hirsutum N contendo o gene cry1Ac
Hybrids among transgenic plants and related species are expected to occur if they are sympatric and when there are not crossing barriers; as is the case, in Brazil, of cry1Ac transgenic cotton and Gossypium barbadense. This species has been maintained as dooryard plants, and should be preserved as a genetic resource. Hybrids were evaluated about traits relat
Publicado em: 2009
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3. Seleção para resistência à murcha-de-fusário em genótipos de algodoeiro
A murcha-de-fusário, causada pelo fungo Fusarium oxysporum f.sp. vasinfectum, é uma das principais doenças do algodoeiro em todo o mundo. Apesar da baixa incidencia da doença no cerrado, principal região produtora do Brasil, a murcha-de-fusário tem preocupado os produtores de algodão na região em virtude de ser potencialmente destrutiva. A tática de
Publicado em: 2008
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4. Caracterização da resistência do algodoeiro a Ramularia areola e variabilidade molecular do patógeno / Characterization of cotton resistance to Ramularia areola and molecular variability of the pathogen
Este estudo teve como objetivos estudar a estrutura genética e patogênica de isolados de Ramularia areola do Brasil e caracterizar a resposta de resistência no algodoeiro à mancha-de-ramulária. Foi avaliada a variabilidade genética de 28 isolados do patógeno, utilizando-se marcadores RAPD. A avaliação da patogenicidade de 6 desses isolados foi reali
Publicado em: 2007
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5. Levantamento de Meloidogyne incognita em lavouras de algodÃo no noroeste do Paranà e seleÃÃo de genÃtipos de algodoeiro com resistÃncia a Meloidogyne incognita raÃa 3 / Survey of Meloidogyne incognita on cotton crops in northwest Paranà and selection of resistant cotton genotypes to Meloidogyne incognita race 3
Among the pathogens that reduce the cotton productivity in Brazil, Meloidogyne incognita is one of the most important by causing yield losses and for being widespread. The most recommended control methods to this species are the use of resistant cultivars and crop rotation systems. In ParanÃ, M. incognita races 3 and 4 have already been reported as cotton p
Publicado em: 2007
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6. Environmental and Genetic Components of Stomatal Behavior in Two Genotypes of Upland Cotton 1
Two parental lines of Upland cotton (Gossypium hirsutum L.) plus their reciprocal F1, F2, and backcross populations were field-tested for environmental and genetic components of leaf diffusive resistance. Leaf resistance was measured with a diffusion porometer three times each day during 6 days in August. A large, consistent environmental component was prese