Soybean - Asian rust
Effect of nozzle angle and air-jet parameters in air-assisted sprayer on biological effect of soybean asian rust chemical protection
... In general, it can be stated that there was no influence of air speed on the amount of spray deposit in the adaxial surface of leaves in the top of the plants (Table 2), inde- pendently of the nozzle angle in the spray ...
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A new chitinase-like xylanase inhibitor protein (XIP) from coffee (Coffea arabica) affects Soybean Asian rust (Phakopsora pachyrhizi) spore germination
... Asian rust (Phakopsora pachyrhizi) is a new devastat- ing disease, which has affected the cultivation of soybean (Glycine max ...the soybean crop, in yield/ha, declined by 17% from 2003 to ...
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Resposta da aplicação de fungicidas no controle da ferrugem asiática na cultura da soja / Response of fungicide application in the control of Asian rust in soybean crop
... of soybean Asian rust, presented a better response in relation to the reduction of productivity, providing a greater weight of one thousand seeds ...
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Selection strategies of segregant soybean populations for resistance to Asian rust
... The soybean inbred lines/cultivars BR01‑18437, BRS 184, BRS 231, BRS 232 and Embrapa 48 were obtained from the active genebank at Embrapa ...to soybean Asian rust (Ribeiro et ...
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Interference of genotypes x environments interaction in the genetic control of resistance to Asian rust soybean
... of soybean resistance to Asian rust, and the interaction of the segregant populations with the environment, although signi! cant, did not alter the genetic parameter’s general combining ability (GCA) ...
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Rust effect estimation in soybean crosses for tolerance to Asian rust
... ABSTRACT: Asian soybean rust is an important disease that has deeply troubled farmers and researchers since it was first ...to Asian rust by estimating losses caused by natural ...
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REVIEW - Advances on molecular studies of the interaction soybean - Asian rust
... where soybean rust was responsible for 37-67 % of soybean seed yield losses (Kumudini et ...for rust control is a mixture of strobilurin and ...
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Utilization of the cropgro-soybean model to estimate yield loss caused by Asian rust in cultivars with different cycle
... Nos últimos anos, tem-se observado grande aumento na utilização de modelos de simulação na agricultura. O DSSAT (Siste- ma de Suporte à Decisão para Transferência de Agrotecnologia) é uma importante ferramenta na ...
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Genetic control of soybean ( Glycine max ) yield in the absence and presence of the Asian rust fungus ( Phakopsora pachyrhizi
... tions. The six parental cultivars had expressed different lev- els of resistance and/or tolerance to P. pachyrhizi in several greenhouse tests conducted at the Brazilian Agricultural Research Corporation (Empresa ...
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FLUXAPYROXAD IN THE ASIAN SOYBEAN RUST CONTROL IN THE CERRADO BIOME
... The application of triazole + strobilurin presents greater control of Asian rust compared to these fungicides applied singly (GARCÉS- FIALLOS; FORCELINI, 2013). The results of cooperative assays also ...
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Uni and multivariate approaches for diallel analysis in early generation trials for soybean tolerance to rust
... Our research was the first insights in the study in early generation to obtain tolerant genotypes to Asian rust using several approaches. The univariate analysis was able to identify the contributions of ...
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Progress of Asian soybean rust and airborne urediniospores of Phakopsora pachyrhizi in southern Brazil
... The severity of ASR was greater at CM, with the disease beginning earlier in the 2007/08 crop season (73 DAS), in stage R 4 , even though the seeding of variety BRS 154 occurred later (November 25 2006). Under these ...
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Asian soybean rust control in response to rainfall simulation after fungicide application
... of Asian rust started in the 2002/03 season (Reis, ...of soybean rust, being a fundamental strategy in the management of fungal resistance (Sierotzki & Scalliet, ...
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CHEMICAL CONTROL OF ASIAN SOYBEAN RUST AS A FUNCTION OF CULTIVAR, ROW SPACING AND SPRAY BAR SUPPORT SYSTEMS
... The Phakopsora pachyrhizi and Glycine max pathosystem stands out as one of the most important limiting factor of oilseed productivity, due to the occurrence of the fungus in all countries where soybeans are grown, as ...
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The mixture volume sprayed by hydraulic and centrifugal energy nozzles for the control of Asian soybean rust
... Observations in both commercial areas and experiments show that the distribution of the phytosanitary product on the three regions of the plant is irregular. Usually, less sprayed product is deposited on the lower and ...
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Resistance to Asian soybean rust in soybean lines with the pyramided three Rpp genes
... Silva DCG, Yamanaka N, Brogin RL, Arias CAA, Nepomuceno AL, Di Mauro AO, Pereira SS, Nogueira LM, Passianotto ALL and Abdelnoor RV (2008) Molecular mapping of two loci that confer resistance to Asian rust ...
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Diagrammatic Scale for Assessment of Soybean Rust Severity
... one soybean leaflet ...different soybean cultivars inoculated with ...the soybean leaflets with the least and greatest severity, therefore establishing the lower and upper limits of the diagrammatic ...
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Leaf area, spray volumes and applicable quantities of fungicide during the protection period for control of Asian soybean rust
... ). After the spraying which was carried out in the same manner as in the field experiment, the plants were exposed to an artificial rainfall of 20 mm at different times: 0.5; 1.0; 1.5; 2.0; 2.5 and 3.0 hours after ...
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Systems of aerial spraying for soybean rust control
... Comparative analysis between the plots of treatments and their controls for calculated values of rust reduction potential are shown in Figure 5. The best results were obtained with Micronair (10 L ha -1 with oil), ...
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ASIAN SOYBEAN RUST INTEGRATED MANAGEMENT POTENTIAL: DISEASE SEVERITY, PLANT DEVELOPMENT AND YIELD COMPONENTS, CULTIVAR MG/BR-46 (CONQUISTA)
... ABSTRACT: Soybean rust caused by Phakopsora pachyrhizi Sydow & ...on soybean rust severity and its effects on plant development and yield, cultivar MG/BR- 46 ...natural rust ...
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