2005
DOI: 10.1590/s0100-41582005000200009
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Controle químico do crestamento gomoso do caule em melancia

Abstract: O objetivo deste trabalho foi estudar o efeito de fungicidas e da adubação de cobertura na severidade do crestamento gomoso do caule, em melancia (Citrullus lanatus). Foram conduzidos dois ensaios fatoriais em campo, no Projeto Formoso, Tocantins, em delineamento de blocos ao acaso com quatro repetições, e parcelas experimentais de 30 x 10 m. Para o ensaio I, os tratamentos (fator a) constaram dos seguintes ingredientes ativos de fungicidas/100 l de água ou ha: (1) mancozeb (MANC)-160,2 ml, (2) tiofanato metíl… Show more

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Cited by 16 publications
(10 citation statements)
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References 13 publications
(19 reference statements)
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“…Where x = number of infected leaves or fruits and n = total number of leaves or fruits observed. In the assess ment of anthracnose average severity on leaves and nuts, w e used rating scale 0-4 adapted from Santos et al (2005), w here 0 = no symptoms; 1 = sy mptoms at 10% of the affected area; 2 = 11 to 25% of the affected area; 3 = 26 to 50% of the affected area; and 4 = more than 50% of the af fected area. Later, the disease index ( DI) was determined using the McKinney index formula (1923) as show n: DI= ∑ .…”
Section: Incidence and Anthracnose Severitymentioning
confidence: 99%
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“…Where x = number of infected leaves or fruits and n = total number of leaves or fruits observed. In the assess ment of anthracnose average severity on leaves and nuts, w e used rating scale 0-4 adapted from Santos et al (2005), w here 0 = no symptoms; 1 = sy mptoms at 10% of the affected area; 2 = 11 to 25% of the affected area; 3 = 26 to 50% of the affected area; and 4 = more than 50% of the af fected area. Later, the disease index ( DI) was determined using the McKinney index formula (1923) as show n: DI= ∑ .…”
Section: Incidence and Anthracnose Severitymentioning
confidence: 99%
“…The nuts w ere selection based on external surface visual observations and separated according to damage level using a rating scale adapted from Santos et al (2005). We used a completely randomized design w ith three replicates; the treatments consisted of five different severity levels and each replicate w as constituted by 50 cashew nuts.…”
Section: Effect Of Anthracnose Severity On the Cashew Nuts In The Germentioning
confidence: 99%
“…The State of Tocantins produces about 3,500 ha of watermelon, grown mainly between rice seasons in low land areas under sub-irrigation (Santos et al, 2005b). The production is concentrated in the southern region of the State, especially in the town of Formoso do Araguaia, where the average yield reaches 30 t ha -1 (Santos et al 2001).…”
Section: Palavrasmentioning
confidence: 99%
“…Dozens of pathogens, with a broad range of symptoms, can infect watermelon. In addition to diseases, there are also abiotic stresses that can cause crop total loss if preventive measures are not taken (Santos et al, 2005b). According to these authors, the main watermelon diseases are the gummy stem blight, mildew, fruit rots, and viruses.…”
Section: Palavrasmentioning
confidence: 99%
“…No entanto, os resultados obtidos também estão de acordo com Santos et al (2005) O aumento nas concentrações de K, neste estudo pode ter afetado o potencial osmótico e a absorção das plantas, pois Malavolta (2006) afirma que aumentando a concentração de K na célula, aumenta também a sua capacidade de absorver água.…”
Section: Pega De Frutosunclassified