Results 21 to 30 of about 8,329 (201)

Desempenho produtivo de frutas cítricas no polo citrícola do oeste paraense – Brasil, no período de 2005-2020

open access: yesRevista de Geografia (Recife), 2023
O objetivo deste estudo foi avaliar a dinâmica e especialização da produção de laranja, limão (lima ácida) e tangerina nos seis (6) municípios que compõem o Polo citrícola do Oeste do Pará no período de 2005-2020, utilizando uma ferramenta de análise ...
Jéssica Paloma Gama dos Santos Silva   +1 more
doaj   +1 more source

Tecnologias fitossanitárias: um estudo do Manejo Integrado de Pragas (MIP) na produção paulista de laranja, LUPA 2016/2017

open access: yesRevista de Economia e Sociologia Rural, 2022
Resumo: O artigo caracterizou a adoção do Manejo Integrado de Pragas (MIP) na produção paulista de laranja a partir do LUPA 2016/2017. Para tanto, buscou apoio nas construções teóricas e conceituais sobre mudança tecnológica e MIP, para conduzir análise ...
Renata Martins Sampaio   +3 more
doaj   +1 more source

Ectopic Expression of Xylella fastidiosa rpfF Conferring Production of Diffusible Signal Factor in Transgenic Tobacco and Citrus Alters Pathogen Behavior and Reduces Disease Severity

open access: yesMolecular Plant-Microbe Interactions, 2017
The pathogenicity of Xylella fastidiosa is associated with its ability to colonize the xylem of host plants. Expression of genes contributing to xylem colonization are suppressed, while those necessary for insect vector acquisition are increased with ...
R. Caserta   +4 more
doaj   +1 more source

Incidence of Diaphorina citri Carrying Candidatus Liberibacter asiaticus in Brazil’s Citrus Belt

open access: yesInsects, 2020
Huanglongbing (HLB) is a citrus disease of worldwide importance, associated with the presence of Candidatus Liberibacter asiaticus (Las) and vectored by the psyllid Diaphorina citri in Asia and the Americas.
Nelson A. Wulff   +7 more
doaj   +1 more source

Hexyl gallate for the control of citrus canker caused by Xanthomonas citri subsp citri

open access: yesMicrobiologyOpen, Volume 9, Issue 9, September 2020., 2020
We evaluated hexyl gallate (G6) as an alternative to copper compounds for citrus plant protection. G6 was able to protect citrus nursery trees against Xanthomonas citri infection, and it is safe for tissue culture cell lines. This study demonstrated that G6 is a promising candidate for the development and use in citrus canker management.
Lúcia B. Cavalca   +6 more
wiley   +1 more source

QTLs and eQTLs mapping related to citrandarins’ resistance to citrus gummosis disease

open access: yesBMC Genomics, 2018
Background Phytophthora nicotianae Breda de Haan (Phytophthora parasitica Dastur) causes severe damage to citrus crops worldwide. A population of citrandarins was created from the cross between the susceptible parent Citrus sunki Hort. Ex Tan.
Rômulo P. M. Lima   +4 more
doaj   +1 more source

Huanglongbing: possível ameaça à citricultura catarinense?

open access: yesAgropecuária Catarinense, 2017
Resumo - O Huanglongbing (HLB) é a principal doença dos citros no Brasil. É causado por bactérias do gênero “Candidatus Liberibacter” e transmitido pelo psilídeo-asiático-dos-citros, Diaphorina citri. Os sintomas do HLB são mosqueamento nas folhas (clorose assimétrica no limbo) e amarelecimento de ramos, além de os frutos mostrarem maturação irregular,
Rodolfo Vargas Castilhos   +3 more
openaire   +2 more sources

Molecular Characterization and Stress Tolerance Evaluation of New Allotetraploid Somatic Hybrids Between Carrizo Citrange and Citrus macrophylla W. rootstocks

open access: yesFrontiers in Plant Science, 2018
Polyploidy is one of the main forces that drives the evolution of plants and provides great advantages for breeding. Somatic hybridization by protoplast fusion is used in citrus breeding programs.
Marta Ruiz   +8 more
doaj   +1 more source

Modified Monosaccharides Content of Xanthan Gum Impairs Citrus Canker Disease by Affecting the Epiphytic Lifestyle of Xanthomonas citri subsp. citri

open access: yesMicroorganisms, 2021
Xanthomonas citri subsp. citri (X. citri) is a plant pathogenic bacterium causing citrus canker disease. The xanA gene encodes a phosphoglucomutase/phosphomannomutase protein that is a key enzyme required for the synthesis of lipopolysaccharides and ...
Simone Cristina Picchi   +6 more
doaj   +1 more source

INDOLEBUTYRIC ACID AND ZINC IN THE ROOTING OF ROOTSTOCK SEEDLINGS OF ‘CRAVO’ LEMON TREES IN HYDROPONICS

open access: yesRevista de Ciências da Saúde Nova Esperança, 2020
It was intended to evaluate the influence of indolebutyric acid (IBA) and zinc upon the rooting and development of rootstock of ‘Cravo’ lemon tree transplants of bare root to the modified hydroponic system in the grafting stage. Plants of rootstocks were
Wiara De Assis Gomes   +4 more
doaj   +1 more source

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