Possible, especially for mixtures - check label, EC Regulation 1107/2009 (repealing 91/414), Yes - two 'Persistent-Bioaccumulative-Toxic' criteria, Approved for use () under EC 1107/2009 in the following EU Member States, International Chemical Identifier key (InChIKey), International Chemical Identifier (InChI), InChI=1S/2ClH.2Cu.3H2O/h2*1H;;;3*1H2/q;;2*+2;;;/p-5, EU 2018 dossier: May contain heavy metals including Pb, Cd, As, Ni, CO, Sb & Hg. The results of all analyzed variables were significant, fitting to the linear model, thus, it was not possible to determine the rate of maximum protective effect. 396 p.). Thus, managements with lower intervals between applications require a higher number of applications to maintain the ideal protection period.
The incidence and severity of CBS were high for all treatments, increasing with the fruit maturation. (EN). Foram realizadas cinco avaliaes de incidncia e severidade em intervalos de 30 dias, estendendo-se at meados de novembro, quando foi realizada a colheita dos frutos. to the fruit maturation stage (AGUIAR et al., 2012Aguiar, R. L. et al. 2009. TIMMER, L. W.; BROWN, G. E. Biology and control of anthracnose diseases of citrus. Perodo de incubao de Guignardia citricarpa em diferentes estdios fenolgicos de frutos de laranjeira Valncia. Wash hands and exposed skin thoroughly after use. CBS management is carried out through chemical control and complemented by cultural practices such as weed management (SCALOPPI et al., 2012Scaloppi, E. M. T. et al. In this context, the objective of this work was to evaluate the effect of different rates of a cupric fungicide (copper oxychloride) applied alone with 14-day intervals on the control of citrus black spot. Multi-site activity. Perodo de incubao de Guignardia citricarpa em diferentes estdios fenolgicos de frutos de laranjeira Valncia. In: Timmer, L. W., Garnsey, S. M., Graham, J.H. Elaborao e validao de escala diagramtica para avaliao da severidade da mancha preta em frutos ctricos. Very toxic to aquatic life and may harm animals and birds. Africa, Middle East, South East Asia, Latin America The plants treated with the lowest rates of copper oxychloride were more susceptible to the pathogen. Therefore, studies evaluating smaller intervals and fractionated rates of cupric fungicides are necessary. The application of cupric fungicides (protective) at early stages of fruit development (high growth rates) and with 14-day intervals hinders the contact of the pathogen with the plant tissues, suppressing the pathogen at pre-penetration stages, thus, reducing the disease progress. Revista Caatinga, v. 29, n. 3, p. 677-684, 2016.). Considering that the use of insecticides to control Diaphorina citri is carried out biweekly, the adoption of simultaneous use of copper oxychloride is an efficient alternative to control P. citricarpa.
1. ed. DO NOT spray over or allow drift over an aquatic environment, onto other crops or outside the target area. Protects against a very wide range of fungal and bacterial diseases. Palavras chave:Citrus sinensis; Controle qumico; Oxicloreto de cobre; Phyllosticta citricarpa. Plant Disease, v. 65, n. 12, p. 945-50, 1981. RESULTADOS: Reestimativa da safra de laranja 2018-2019 do cinturo citrcola de So Paulo e triangulo/Sudoeste Mineiro - Cenrio em fevereiro de 2019. In: PRUSKY, S.; FREEMAN, M.; DICKMAN, B. For fruit, vegetables and ornamentals - a unique, easy-to-use, copper fungicide. This low yield shows that the control treatment probably had early fruit drop before the fruit drop evaluations. The treatments with COC at rates of 9.1 and 12.2 mg m-3 differed from the control in the third and fifth evaluations, respectively. In: PRUSKY, S.; FREEMAN, M.; DICKMAN, B.
13, p. 23-25. 
Crop Protection, v. 29, n. 3, p. 300-305, 2010.). 66 f. Tese (Doutorado em Agronomia: rea de Concentrao em Produo Vegetal) - Universidade Estadual Paulista, Jaboticabal, 2009. We are continuously looking for Distributors in: Africa, Middle East, South East Asia, Latin America, Zee Bind -The Best Stand-Out Pellet Binder from Zagro, Comdeterrence Against Files? However, their efficiency is maintained when the protection period is compensated by increasing the number of applications. Pinta preta dos citros: a doena e o seu manejo. FONSECA, A. E. et al. The best response for the control of CBS in the subsequent weeks (fifth evaluation) was found with the use of cuprous oxide + pyraclostrobin (FST). As a heavy metal, copper itself will not degrade in the environment. Crop Protection, v. 29, n. 3, p. 300-305, 2010. Brazil is one of the world's largest citrus producing countries and So Paulo is the Brazilian largest citrus producing state. SCHUTTLE, G. C.; KOTZ, J. M. Grass mulching as part in integrated control programme for the control of citrus black spot. (English), https://doi.org/10.1590/1983-21252019v32n306rc, This is an open-access article distributed under the terms of the Creative Commons Attribution License, COPPER OXYCHLORIDE APPLIED ALONE TO CONTROL CITRUS BLACK SPOT. Phytopathology, v. 54, n. 1, p. 40-43, 1964.; KOTZ, 2000KOTZ, J. M. Citrus black spot. This site is protected by reCAPTCHA and the Google. 1. ed. Revista Brasileira de Fruticultura, v. 35, n. 1, p. 102-111, 2013. 70 p. Dissertao (Mestrado em Agronomia: rea de Concentrao em Produo Vegetal) - Universidade Estadual Paulista, Jaboticabal, 2009. 208 p. Spsito, M. B. et al. ). Qualitative damages caused by CBS can depreciate the fruit peels and make it impossible to export them to European Union countries, where this fungus is a quarantine pest (A1); quantitative damages due to early fruit drops reduce plant fruit yield (SILVA JUNIOR et al., 2016SILVA JUNIOR, G. et al. Keep children, pets, wildlife and birds away from treated areas until spray is dry. Yates Copper Oxychloride spray will stain on contact with walls, fences, and other surfaces.2. A. M. et al. Efeito do manejo cultural e qumico na incidncia e severidade da mancha-preta dos citros. Compatible with most other pesticides except Yates Lime Sulfur Concentrate.
Five evaluations were carried out with 30-day intervals from mid-July to mid-November when fruits were harvested. Means followed by the same lowercase letters in the columns or same uppercase letters in the rows do not differ by the Tukey's test (P0.05). No apparent phytotoxicity symptoms were found, even when using the highest COC rates with 14 applications.
Copper oxychloride fungicide (COC) (concentrated suspension - CS; 588 g L-1 of copper oxychloride or 350 g L-1 of metal copper) were applied at different rates and compared with the farm standard treatment (FST)-cuprous oxide (CO) (wet powder - WP; 860 g kg-1) applied at rate of 21 mg m3 (mg of metal copper per cubic meter of canopy), when the plants were at the F2 stage (fruits at initial development, with diameter between 5 to 10 mm) and F3 stage (fruits with diameter between 15 and 20 mm), associated with four applications of a strobilurin fungicide (emulsifiable concentrate - EC; pyraclostrobin 250 g L-1) at rate of 2.8 mg a.i. The severity of CBS increased with fruit maturation, resulting in progressive fruit drops, especially between the last two evaluations (October and November) (Tables 3 and 4). 1. ed. BELLOTTE, J. The severity of CBS was higher in the control and in treatments with copper oxychloride at rates of 9.1 and 12.2 mg m-3, which had potential for fruit drop (Figure 2, and Tables 3 and 6). ), and pruning (NOZAKI, 2007NOZAKI, M. H. Produo de estruturas reprodutivas e efeito do ambiente nos tipos de sintomas produzidos por Guignardia citricarpa em Citrus spp. 2007. A. M. et al. Cupric fungicides based on copper hydroxide result in further damage to the fruit peel (SCHUTTLE; KOTZ, 1997). Revista Brasileira de Fruticultura, v. 34, n. 1, p. 102-108, 2012. 2009. Relevant Environmental Water Quality Standards, Herbicide Resistance Classification (HRAC), Herbicide Resistance Classification (WSSA), Insecticide Resistance Classification (IRAC), Fungicide Resistance Classification (FRAC), Example manufacturers & suppliers of products using this active now or historically, Usually supplied as a soluble concentrate or wettable powder that is mixed with water and applied as a spray, Source; quality score; and other information, Solubility - In organic solvents at 20 C (mg l), Octanol-water partition coefficient at pH 7, 20 C, Henry's law constant at 25 C (Pa m mol), Acidic soln: 205nm=2850, 250nm=1461, 800nm=38, 290nm=260, 295nm=195, Dissipation rate RL on and in plant matrix, Aqueous hydrolysis DT (days) at 20 C and pH 7, SCI-GROW groundwater index (g l) for a 1 kg ha or 1 l ha application rate, Potential for particle bound transport index, Mammals - Chronic 21d NOAEL (mg kg bw d), Birds - Chronic 21d NOEL (mg kg bw d), Earthworms - Chronic NOEC, reproduction (mg kg), Nitrogen mineralisation: No significant adverse effect, Contact acute LD (worst case from 24, 48 and 72 hour values - g bee), Oral acute LD (worst case from 24, 48 and 72 hour values - g bee), Unknown mode acute LD (worst case from 24, 48 and 72 hour values - g bee), Acute LD (worst case from 24, 48 and 72 hour values - g insect), Beneficial insects (Parasitic wasps) as Mortality LR g Cu/ha, Beneficial insects (Predatory mites) as Mortality LR g Cu/ha, Aquatic invertebrates - Acute 48 hour EC (mg l), Aquatic invertebrates - Chronic 21 day NOEC (mg l), Aquatic crustaceans - Acute 96 hour LC (mg l), Sediment dwelling organisms - Acute 96 hour LC (mg l), Sediment dwelling organisms - Chronic 28 day NOEC, static, water (mg l), Sediment dwelling organisms - Chronic 28 day NOEC, sediment (mg kg), Aquatic plants - Acute 7 day EC, biomass (mg l), Algae - Acute 72 hour EC, growth (mg l), Algae - Chronic 96 hour NOEC, growth (mg l), Threshold of Toxicological Concern (Cramer Class), Mammals - Dermal LD (mg kg body weight), ADI - Acceptable Daily Intake (mg kg bw day), ARfD - Acute Reference Dose (mg kg bw day), AAOEL - Acute Acceptable Operator Exposure Level (mg kg bw day), AOEL - Acceptable Operator Exposure Level - Systemic (mg kg bw day), Negligible risk to bystanders for proposed uses, Acceptable risk to operators and workers for proposed uses with PPE/PPC, Statutory EU standard for total copper in drinking water: 2 mg l; Non-statutory WHO guideline for total copper in drinking water: 2 mg l, Mammalian dose elimination route and rate, May emit toxic chlorine gas under certain conditions, Variable with product, usually 3010, 3077 or 3082. Petal fall and at 3-4 weekly intervals until harvest. Treatments with copper oxychloride (COC) presented incidence of symptomatic fruits of 65.8% to 82%, even using applications with 14-day intervals.
It is moderately toxic to mammals and most biodiversity. 84 f. Tese (Doutorado em Agronomia: rea de Concentrao em Produo Vegetal) - Universidade Estadual Paulista, Jaboticabal, 2010. Y= data obtained according to the, Text (2016) An international database for pesticide risk assessments and management. that even with few lesions, fruit drops can occur, indicates an effect of infections in the fruit peduncles. Plant Disease, v. 65, n. 12, p. 945-50, 1981.) X = data related to average fruit weight of four plants in the plots. The percentages of control in treatments with copper oxychloride at rates of 24.5 and 31.0 mg m-3, considering the AUDPC of severity, were 69.4% and 73.3%, respectively. Proceedings of the International Society Citriculture, p. 1296-1299, 1996.) Citrus plantations are managed, in general, with biweekly insecticide applications in critical population periods of Diaphorina citri (Psyllidae), a vector of Candidatus Liberibacter asiaticus (Las) and Candidatus Liberibacter americanus (Lam), which cause the citrus greening disease. Fitopatologia Brasileira, v. 29, n. 1, p. 81-85, 2004.). Plus if youre a Garden Club member you can take part in the Yates Growing Community - a blog to share successes, get advice & win prizes in fun challenges along the way! (Ed.). The effects of inter-crop cultivation Between rows of citrus crop on spreading of Guignardia citricarpa Ascospores and in the citrus black spot occurrence. These data were used in the Wheeler's formula (1969) to determine the disease index (DI): where ID is the disease index; N is the total number of evaluated fruits; i is the score of the disease, ni is the number of fruits with score i; and m is the maximum score. Department of Phytopathology, Universidade Estadual Paulista Julio de Mesquita Filho, Jaboticabal, SP, Brazil; eduardofonseca.tva@gmail.com, adggoes@yahoo.com.br, fe.eng.agronomica@gmail.com. Pre-mix in a small volume of water to form a thin slurry before adding the remaining water. Concluiu-se que aplicaes em intervalos de catorze dias de oxicloreto de cobre SC a 31 e 24,5 mg/m3 copa, foram eficientes no controle de MPC, cuja eficincia foi comparvel ao tratamento padro. According to Silva Jnior et al. AGUIAR, R. L. Produo de anticorpo policional para caracterizao de, Aguiar, R. L. et al. High severity of CBS tends to cause lesions on the fruit surface, including near the peduncle; however, fruit drop can occur even at low severities that originate from late infections. BELLOTTE, J. Effect of frequency of copper applications on control of citrus canker and the yield of young bearing sweet orange trees. Tropical Plant Pathology, v. 37, n. 2, p. 155-158, 2012. Plants treated with application of copper oxychloride at 31 and 24.5 mg m-3 with 14-day intervals (14 applications) to control citrus black spot (CBS) had fruits with lower symptom scores up to the fourth evaluation (October,2015), mainly when compared to the farm standard treatment (FST) (cuprous oxide + pyraclostrobin), indicating the higher efficiency of these treatments over the FST (Table 2).
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