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Registros recuperados: 23
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Morphological and molecular characterization of Fusarium. solani and F. oxysporum associated with crown disease of oil palm 58
Hafizi,R.; Salleh,B.; Latiffah,Z..
Crown disease (CD) is infecting oil palm in the early stages of the crop development. Previous studies showed that Fusarium species were commonly associated with CD. However, the identity of the species has not been resolved. This study was carried out to identify and characterize through morphological approaches and to determine the genetic diversity of the Fusarium species. 51 isolates (39%) of Fusarium solani and 40 isolates (31%) of Fusarium oxysporum were recovered from oil palm with typical CD symptoms collected from nine states in Malaysia, together with samples from Padang and Medan, Indonesia. Based on morphological characteristics, isolates in both Fusarium species were classified into two distinct morphotypes; Morphotypes I and II. Molecular...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crown disease; Fusarium solani; Fusarium oxysporum; IGS-RFLP; Morphological characteristic.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822013000300047
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Fusarium oxysporum dispersion by larvae of Cyclocephala modesta, Dyscinetus gagates and Diloboderus abderus in Brazil 65
Salgado-Neto,Geraldo; Vaz,Marcos André Braz; Guedes,Jerson Vanderlei Carús; Muniz,Marlove Fátima Brião; Blume,Elena.
ABSTRACT: The scientific and economic importance of soybean root rot justifies the study of this disease, especially the role of insects as dispersers in the spread of root pathogens. The objective was to identify and evaluate qualitatively and quantitatively the role of Cyclocephala modesta, Dyscinetus gagatesand Diloboderus abderus(Coleoptera: Melolonthidae) in the dispersion of root pathogens in cultivated fields. The fungi were identified to the species level with DNA extraction and sequencing of these organisms within Melolonthidae larvae. Larvae were dissected and separated into the parts: mouth parts, prothorax, cuticle and digestive tract (alimentary canal). The Internal Transcribed Spacer region of the rRNA was amplified and compared to sequences...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biological control; Dissemination; Fusarium oxysporum; Interactions; Melolonthidae; White grubs.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000600943
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INFLUENCE OF ROOTSTOCKS ON Fusarium WILT, NEMATODE INFESTATION, YIELD AND FRUIT QUALITY IN WATERMELON PRODUCTION 64
Álvarez-Hernández,Juan Carlos; Castellanos-Ramos,Javier Zaragoza; Aguirre-Mancilla,César Leobardo; Huitrón-Ramírez,María Victoria; Camacho-Ferre,Francisco.
Cucurbita maxima x Cucurbita moschata rootstock are used to prevent infection with Fusarium oxysporum f. sp. niveum in watermelon production; however, this rootstock is not effective against nematode attack. Because of their vigor, the grafted plants can be planted at lower plant densities than the non-grafted plants. The tolerance to Fusarium oxysporum f. sp. niveum and Meloidogyne incognita was assessed in watermelon plants grafted onto a hybrid of Citrullus lanatus cv Robusta or the Cucurbita maxima x Cucurbita moschata cv Super Shintoza rootstocks. The densities of plants were 2083 and 4166 plants ha-1. Non-grafted watermelons were the controls. The Crunchy Red and Sangría watermelon cultivars were used as the scions, it the latter as a pollinator. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Citrullus lanatus; Grafting; Triploid; Fusarium oxysporum; Root-knot nematodes.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542015000400323
Registros recuperados: 23
Primeira ... 12 ... Última
 

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