Correlações fenotípicas entre vigor e resistência ao mal-das-folhas no híbrido ian 6158 x fx 985 de seringueira.

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Utilization of vesicular-arbuscular mycorrhiza as a factor of integrated plant protection.

Data are provided in how far mycorrhiza infection changes the susceptible leaf periods and the development of fungal diseases in susceptible leaves. These studies are combined with the analysis of physiological modifications in the rubber tree, correlated with mycorrhizal symbiosis.Finally the importance of mycorrhiza-formation for the integrated-plant-protection of the rubber tree in Brazilian plantations (Amazon state) against Microcyclus ulei, the pathogen causing the South American leaf blight is designed

Potencial da macaubeira como fonte de matéria-prima para produção de biodiesel.

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Doenças que incidem sobre a seringueira em Minas Gerais.

Este artigo trata somente das doencas que estao incidindo sobre as plantas nas diversas regioes do Estado de Minas Gerais, onde a cultura esta sendo implantada, advertindo-se sobre os possiveis problemas fitossanitarios que a cultura ja enfrenta e que poderao agravar-se pelo desconhecimento de suas causas

Controle de cancro-do-enxerto (Lasiodiplodia theobromae (Pat) Griff & Maubl em seringueira utilizando-se a técnica do plantio profundo.

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Água necessária no período seco para irrigação do coqueiro anão no Distrito Federal.

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Cyanogenesis inhibits active defense reactions in plants.

In the course of fungal attack on the cyanogenic rubber tree (Hevea brasiliensis Muell.-Arg.) HCN is liberated from infected tissue. The HCN interferes with plant host and fungal pathogen. It becomes inhibitory to active defense responses which are dependent on biosynthetic processes as far as a threshold concentration is transgressed