Buscar
Mostrando ítems 41-50 de 198
Absorption and Mobility of Boron in Young Citrus Plants
(TAYLOR & FRANCIS INC, 2008)
Boron (B) deficiency is widespread in Brazilian citrus orchards and has been considered an important soil constraint to citrus yield. The aim of this work was to study B uptake and its mobility in young citrus trees, under ...
Occurrence of Helicoverpa armigera (Hübner, 1808) on citrus in the state of Sao Paulo, Brazil
(Sociedade Brasileira de Fruticultura, 2014-06-01)
The occurrence of Helicoverpa armigera (Hübner, 1808) was first reported in citrus orchard in the state of São Paulo (SP). High infestation levels of H. armigera were observed in October 2012, in the city of Botucatu, SP. ...
Posicionamento de Extratores de Cápsula Porosa em Solo Arenoso Na Citricultura Fertirrigada Por Gotejamento
(2012-12-01)
The efficiency of monitoring fertigation by means of porous capsule extractors is directly related to its correct placement, since the nutrients applied through fertigation have different mobility throughout the soil ...
Dispersão de Orthezia praelonga Douglas, 1891 (Hemiptera: Ortheziidae) causada por equipamentos de pulverização em pomar de citros
(Sociedade Brasileira de Fruticultura, 2007-08-01)
A cochonilha O. praelonga é considerada uma importante praga dos citros no Brasil, e informações sobre a sua dispersão estão baseadas apenas em observações empíricas. Objetivou-se avaliar o efeito de equipamentos de ...
Formação do pomar de tangerina 'Poncã', em função da adubação química e orgânica
(Sociedade Brasileira de Fruticultura, 2005-08-01)
Avaliou-se o efeito do esterco de curral curtido na adubação de formação do pomar de tangerineira 'Poncã' (Citrus reticulata, Blanco), comparando com a adubação química convencional. O experimento foi conduzido na Fazenda ...
Aspectos técnicos e econômicos da poda e do controle químico de Brevipalpus phoenicis no manejo da leprose dos citros
(2013-06-01)
The objective of this study was to evaluate different citrus leprosis management tactics during seven seasons, based in pruning and acaricide applications, considering technical and economic aspects of each tactic. The ...
Glyphosate resistance in amaranthus viridis in brazilian citrus orchards
(2020-08-01)
Glyphosate is the main tool for weed management in Brazilian citrus orchards, where weeds, such as Conyza bonariensis and Digitaria insularis, have been found with resistance to this herbicide. Field prospections have ...
Diversidade de espécies e ocorrência estacional de afídeos (Hemiptera: Aphididae) em um pomar de citros em Taiúva, SP
(Instituto Agronômico de Campinas, 2008-01-01)
Os afídeos são importantes pragas em citros como vetores de vírus fitopatogênicos. O objetivo do trabalho foi avaliar a diversidade de espécies de afídeos alados e a ocorrência estacional dos afídeos em um pomar de citros ...
Potential vectors of Xylella fastidiosa: a study of leafhoppers and treehoppers in citrus agroecosystems affected by Citrus Variegated Chlorosis
(Wiley Blackwell Publishing, Inc, 2016-11)
This study investigated the predominant leafhopper and treehopper (Hemiptera, Auchenorrhyncha) species in Citrus Variegated Chlorosis (CVC)-affected citrus agroecosystems in Argentina, their seasonal fluctuation, and their ...
Protein depletion using the arabinose promoter in Xanthomonas citri subsp citri
(Elsevier B.V., 2017-03-01)
Xanthomonas citri subsp. citri (X. citri) is a plant pathogen and the etiological agent of citrus canker, a severe disease that affects all the commercially important citrus varieties, and has worldwide distribution. Citrus ...