نتایج جستجو برای: citrus

تعداد نتایج: 17920  

2002

Modified Citrus Pectin Introduction Modified citrus pectin (MCP), also known as fractionated pectin, is a complex polysaccharide obtained from the peel and pulp of citrus fruits. Modified citrus pectin is rich in galactoside residues, giving it an affinity for certain types of cancer cells. Metastasis is one of the most life-threatening aspects of cancer and the lack of effective anti-metastati...

2017
Emilyn E. Matsumura Helvécio D. Coletta-Filho Shahideh Nouri Bryce W. Falk Luca Nerva Tiago S. Oliveira Silvia O. Dorta Marcos A. Machado

Citrus sudden death (CSD) has caused the death of approximately four million orange trees in a very important citrus region in Brazil. Although its etiology is still not completely clear, symptoms and distribution of affected plants indicate a viral disease. In a search for viruses associated with CSD, we have performed a comparative high-throughput sequencing analysis of the transcriptome and ...

Journal: :Environmental entomology 2011
Jawwad A Qureshi Philip A Stansly

The convergent lady beetle, Hippodamia convergens Guérin-Méneville (Coleoptera: Coccinellidae), is an important predator of soft-bodied insect pests in many regions of the United States, but generally uncommon in Florida citrus. Certain citrus producers in Florida recently initiated releases of commercially available H. convergens from California against the Asian citrus psyllid Diaphorina citr...

2012

The mosquito repellent activity of phytochemical extracts from Peels of five citrus fruit species, Citrus sinensis, Citrus limonum,Citrus aurantifolia, Citrus reticulata and Citrus vitis, was investigated. The volatile phytochemical extracts were obtained from processed air-dried and powdered citrus fruit peels by Soxchlet extraction using Diethyl Ether as solvent. Five different concentrations...

2016
Gabriel Moura Mascarin Juan Humberto Guarín-Molina Steven Paul Arthurs Richard Alan Humber Rafael de Andrade Moral Clarice Garcia Borges Demétrio Ítalo Delalibera

We describe symptoms of mycosis induced by two native fungal entomopathogens of the citrus orthezia scale, Praelongorthezia praelonga (Hemiptera: Ortheziidae), an important pest of citrus orchards. The data presented in this article are related to the article entitled "Seasonal prevalence of the insect pathogenic fungus Colletotrichum nymphaeae in Brazilian citrus groves under different chemica...

2011
Marlykynti Hynniewta Surendra Kumar Malik Satyawada Rama Rao

Ten Citrus (Linnaeus, 1753) species of North-East India have been karyo-morphologically analysed. All studied species had 2n=18 chromosomes without any evidence of numerical variation. All the chromosomes were found to be of metacentric and sub-metacentric in all the species; the morphology of the chromosomes showing size difference only. Symmetrical karyotype which does not have much differenc...

2005
Marjorie A. HOY

Beginning in 1993, Florida’s citrus industry has been invaded by citrus leafminer (Phyllocnistis citrella Stainton, Lepidoptera: Gracillariidae), brown citrus aphid (Toxoptera citricida Kirkaldy, Homoptera: Aphididae), and the Asian citrus psylla (Diaphorina citri Kuwayama, Homoptera: Psyllidae). The source(s) of these pests remain unknown but other countries in the Caribbean, as well as Centra...

Journal: :Journal of applied microbiology 2016
S-L Ren Y-H Li Y-T Zhou W-M Xu A G S Cuthbertson Y-J Guo B-L Qiu

AIMS The Asian citrus psyllid (ACP), Diaphorina citri Kuwayama transmits the bacterium 'Candidatus Liberibacter asiaticus' (Las), which causes citrus huanglongbing (HLB) disease. Although many studies have been conducted on the biology of ACP on different host plants, few have taken the plant, Las bacteria and the vector insect within one context to evaluate the effects of Las on the fitness of...

Journal: :Pattern Recognition Letters 2011
Min Zhang Qinggang Meng

Citrus canker, a bacterial disease of citrus tree leaves, causes significant damage to citrus production worldwide. Effective and fast disease detection methods must be undertaken to minimize the losses of citrus canker infection. In this paper, we present a new approach based on global features and zonebased local features to detect citrus canker from leaf images collected in field which is mo...

2007
Kevin E. Kane Won Suk Lee

A new early season method of creating high detail citrus yield maps in a grove was evaluated. A monochromatic near-infrared camera was equipped with interchangeable optical band pass filters was used to capture images of citrus fruit in a Florida citrus grove during the late Fall of 2006 growing season. Over 500 images were acquired of 36 separate on tree citrus fruit targets using three differ...

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