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Registros recuperados: 7
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Compatibility and combination of selected bacterial antagonists in the biocontrol of sisal bole rot disease. Repositório Alice
BARBOSA, L. O.; LIMA, J. S.; MAGALHÃES, V. C.; GAVA, C. A. T.; SOARES, A. C. F.; MARBACH, P. A. S.; SOUZA, J. T. de.
Sisal (Agave sisalana Perrine ex Engelm; Asparagaceae) bole rot is a devastating disease caused by Aspergillus niger Tiegh, which contributes to the decline of this crop in Brazil. Currently, there are no control measures available, but biocontrol is being investigated as a promising management strategy. Five previously selected bacterial isolates were identified by 16S rRNA sequencing as Paenibacillus sp. 512, Brevibacterium sp. 90 and Bacillus sp. 105, BMH and INV, and tested for their capacity to control bole rot in vitro and in field experiments. Individual bacterial isolates and their combinations significantly inhibited mycelial growth and spore germination of A. niger. In two independent field experiments, the application of isolates 512, 105, 90,...
Tipo: Artigo de periódico Palavras-chave: Biocontrole.; Incidência e gravidade da doença; Agave Sisalana; Podridão do Tronco.; Aspergillus Niger; Sisal; Doença; Controle Biológico; Disease severity; Disease incidence; Biological control..
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1146130
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Evaluation of wheat genotypes for field resistance to wheat blast caused by Magnaporthe oryzae pathotype Triticum (MoT) and correlation between yield loss and disease incidence in the Brazilian Cerrado. Repositório Alice
DIANESE, A. de C.; ZACARONI, A. B.; SOUZA, B. C. P. de; PAGANI, A. P. da S.; PINHEIRO, N. O.; GOMES, E. M. de C.; TORRES, G. A. M.; CONSOLI, L.; CAFÉ-FILHO, A. CORRÊA.
Abstract: Wheat blast caused by Magnaporthe oryzae pathotype Triticum (MoT) has become an important fungal disease on wheat and is now present in most of the important wheat-producing tropical regions of the world. This study evaluated head blast incidence on the spikes of 281 hexaploid wheat genotypes and two Triticum durum cultivars across three years (2011?2013) in the Cerrado Biome in the Brazilian Midwest, a hotspot area and where the highest disease levels have been recorded. Forty eight host lines exhibiting moderate to high resistance to the disease included synthetic hexaploid wheat genotypes (SHW) and derivatives (17), breeding lines (16), landraces (2), and cultivars (13). Thirty early genotypes were identified to have head blast incidence...
Tipo: Artigo de periódico Palavras-chave: Cultivares; Blast reaction; Trigo; Brusone; Cerrado; Ecossistema; Fungo; Pyricularia Oryzae; Magnaporthe oryzae; Wheat; Cultivars; Pathotypes; Landraces; Hexaploidy; Head; Fungi; Ecosystems; Disease incidence; Triticum turgidum subsp. durum; Blast disease.
Ano: 2021 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1140557
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Maize downy mildew research Thai Agricultural
Bonman, J.M.; Pansak Pittipornchai; Yingyong Paisooksantiratana; Narong Singburaudom; Sukum Chotechuangmanirat; Renfro, B.L..
6 ill., 4 tables
Palavras-chave: Corn; Maize; Downy mildew; Peronosclerospora sorghi; Varieties; Disease resistance; Plant age; Nitrogen fertilizers; Phosphate fertilizers; Disease incidence; ข้าวโพด; โรคราน้ำค้าง.
Ano: 1981 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4054
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Plant growth and leaf-spot severity on eucalypt at different CO2 concentrations in the air. Repositório Alice
SILVA, C. E. da; GHINI, R..
The objective of this work was to evaluate the effects of increased air‑CO2 concentration on plant growth and on leaf‑spot caused by Cylindrocladium candelabrum in Eucalyptus urophylla. Seedlings were cultivated for 30 days at 451, 645, 904, and 1,147 μmol mol‑1 CO2; then, they were inoculated with the pathogen and kept under the same conditions for seven days. Increased CO2 concentration increased plant height and shoot dry matter mass, and decreased disease incidence and severity. Stem diameter was not affected by the treatments. Increased concentrations of atmospheric CO2 favorably affect eucalypt growth and reduce leaf‑spot severity.
Tipo: Separatas Palavras-chave: Cylindrocladium candelabrum; Beneficial effects; Efeito benéfico; Incidência de doença; Climatic change; Leaf spotting; Plant growth performance.; Eucalyptus urophylla; Crescimento; Mancha foliar; Dióxido de carbono; Clima; Mudança Climática.; Disease incidence; Carbon dioxide..
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1000110
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Plant growth and leaf-spot severity on eucalypt at different CO2concentrations in the air PAB
Silva,Carlos Eduardo Oliveira da; Ghini,Raquel.
The objective of this work was to evaluate the effects of increased air-CO2 concentration on plant growth and on leaf-spot caused by Cylindrocladium candelabrumin Eucalyptus urophylla. Seedlings were cultivated for 30 days at 451, 645, 904, and 1,147 µmol mol-1 CO2 ; then, they were inoculated with the pathogen and kept under the same conditions for seven days. Increased CO2concentration increased plant height and shoot dry matter mass, and decreased disease incidence and severity. Stem diameter was not affected by the treatments. Increased concentrations of atmospheric CO2 favorably affect eucalypt growth and reduce leaf-spot severity.
Tipo: Info:eu-repo/semantics/report Palavras-chave: Cylindrocladium candelabrum; Eucalyptus urophylla; Beneficial effects; Climate change; Disease incidence.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2014000300232
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Promotion of growth and control of damping-off (Rhizoctonia solani) of greenhouse tomatoes amended with vermicompost Phyton
Rivera,MC; Wright,ER; López,MV; Garda,D; Barragué,MY.
The pathogen Rhizoctonia solani (teleomorph Tanatephorus cucumeris) can affect tomatoes germination and emergence and cause basal rot of seedlings. It is generally accepted that composts suppress plant diseases, improve soil nutrient availability and stimulate plant growth. However, no reports have been found on the simultaneous evaluation of vermicompost as plant growth promoter and suppressive to damping-off caused by R. solani on tomatoes. This research evaluated the suppressive effects of different concentrations of vermicompost against R. solani and the ability of vermicompost to promote tomato seedlings growth. The microbial composition of the substratum was explored. Thirty six microorganisms were isolated, 13 of which were antagonic to R.solani in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antagonism; Bacteria; Biological control; Disease incidence; Fungi.
Ano: 2004 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572004000100028
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Quantificação da intensidade da morte descendente em cultivares de macieira no Semiárido Brasileiro. Repositório Alice
BATISTA, D. da C.; LOPES, P. R. C.; BARBOSA, M. A. G..
O objetivo deste trabalho foi avaliar as cultivares de macieiras, introduzidas em Petrolina-PE, quanto à intensidade de doenças que possam proporcionar limitação à cultura.
Tipo: Anais e Proceedings de eventos Palavras-chave: Macieira; Manejo de doença; Vale do São Francisco; Maçã; Doença; Identificação; Apples; Disease control; Disease incidence; Disease prevention.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1115299
Registros recuperados: 7
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