leaf blight
History of northern corn leaf blight disease in the seventh cycle of recurrent selection of an UENF-14 popcorn population
... corn leaf blight disease is characterized by long elliptical, greyish green or tan leaf lesions that first appear on the lower leaves and increase in size and number until very little living tissue ...
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A new species of Calonectria causing leaf blight and cutting rot of three forest tree species in Brazil
... necrotic leaf blight, defoliation and cutting rot symptoms with brown and necrotic tissues at the stem base, covered by profuse white sporulation typical of Calonectria infection (Figure ...
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Assessment of rubber tree panels under crowns resistant to South American leaf blight
... Abstract – The objective of this work was to assess the performance of panel clones under crowns resistant to South American leaf blight (Microcyclus ulei). The experiment was carried out with 18 panel ...
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Activity of extracellular compounds of Pseudomonas sp. against Xanthomonas axonopodis in vitro and bacterial leaf blight in eucalyptus
... Bacterial leaf blight caused by Xanthomonas axonopodis is a major problem in the production of eucalyptus ...causes leaf lesions that reduce the photosynthetic area and limit plant ...of leaf ...
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Translocation of cyanogenic glycosides in rubber tree crown clones resistant to South American leaf blight
... Abstract – The objective of this work was to assess the possible transport of cyanogenic glycosides from leaves of rubber tree crown clones (Hevea spp.) resistant to South American leaf blight to the trunk ...
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Molecular phylogeny and population genetics of Microcyclus ulei, causal agent of the South American leaf blight of Hevea brasiliensis
... The main cause of failure of large-scale cultivation of H. brasileinsis in tropical America is the occurrence of epidemics of South American leaf blight (SALB), an endemic fungal disease caused by ...
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Incidence of the phoma leaf blight in drip irrigated coffee trees under different irrigation managements
... ABSTRACT: The knowledge that the disposition of the crop and the irrigation management affect the microclimatic conditions is of importance for the sampling and quantification of diseases, assisting in the achievement of ...
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Etiology of bacterial leaf blight of eucalyptus in Brazil
... Although blight occurs in most eucalyptus-growing regions of Brazil, reports are limited to abstracts at congresses, and these are generally inconclusive regarding the identification of the disease’s etiological ...
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Taxonomy and Biology of Calonectria in Brazil
... In the 1990s, Eucalyptus leaf blight and defoliation caused by Calonectria pteridis Crous, 40.. MJ Wingf8[r] ...
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AGGRESSIVENESS AND MORPHOLOGICAL VARIABILITY OF SMALL SPORE Alternaria SPECIES ISOLATED FROM ALGERIA
... of blight disease are strongly influenced by environmental conditions, even though several diseases appears every year in north western of Algeria which can cause complete loss of the crop when the infection is ...
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Cristiane Romanek1 , Rodrigo Rodrigues Matiello1 , Caroline de Jesus Coelho
... Anthracnose leaf blight (ALB), caused by fungus Colletotrichum graminicola (Ces.) G. W. Wils., is present in all regions of maize cultivation, especially in hot and humid environments (Bergstrom and ...
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Leaf tissue flows in ryegrass managed under different stocking rates
... ryegrass leaf blade, higher than that reported by Lemaire et ...same leaf averaged ...animals. Leaf blades were grazed by heifers, on average, ...
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Genetic divergence of Anthurium affine germplasm using morphoagronomic and molecular descriptors
... habit, leaf number, leaf blade length, leaf blade width, petiole length, petiole diameter, leaf margin undulation, general appearance; soil cover rate and Random Amplified Polymorphic DNA ...
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GROWTH AND BIOMASS ALLOCATION OF THE C
... Traits usually associated with the maximization of RGR, like a higher SLA, LAR and LMR (Poorter & Granier, 1999) were found in plants from the shade treatment, yet, RGR was significantly depressed by shade. However, ...
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Effects of drought stress and various levels of potassium fertilizer on yield and yield component of sunflower (Helianthus Annuus L.) cultivar Armaviresky in Ardabil
... the leaf, Wd refers to the dry weight of the leaf, and Ws refers to the Saturated weight of the ...follows: leaf relative water content, leaf chlorophyll content, leaf area index, ...
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Chemotaxonomy and flavonoid diversity of Salvia L. (Lamiaceae) in Iran
... in leaf indu- mentum, leaf form, leaf base, leaf margin, bract indumen- tum, corolla color, corolla tube length, calyx length, calyx apex form and inflorescence ...in leaf form, ...
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Hélio Henrique Vilela2 , Valéria Pacheco Batista Euclides1 , Sila Carneiro da Silva3 , André Fischer Sbrissia
... lowest leaf appearance rate and leaf elongation rate (Table 2) and the highest stem elongation rate, phyllochron and leaf lifespan (Table 1) in comparison with the ...
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In vitro development of endangered Laelia marginata Lindl. in growth media containing different nitrateammonium ratios
... days after seedling transplanting, height of the aerial part, root length, number of leaves, number of shoots, leaf length, leaf width, aerial and root dry mass and contents of chlorophyll a, b and ...
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Biological Control of Chestnut Blight in Portugal
... Azevedo, J., Coelho, V., Castro, J.P., Spinola, D. and Gouveia, E. 2010. Spatial dynamics of chestnut blight disease at the plot level using the Ripley’s K function. Proceedings of the IUFRO Landscape Ecology ...
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Ploidy levels in Citrus clementine affects leaf morphology, stomatal density and water content
... to speed and support breeding programs in Citrus clementina Hort.ex. Tan., with homozygous lines with different ploidy levels such as haploids, aneuploids, doubled haploids and triploids lines achieved through anther ...
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