Unproductivity of Navel Orange Trees in Spain; a New Disease?
نویسندگان
چکیده
منابع مشابه
Mixed infection of CTV and HSVd in yellow corky vein disease of Washington navel orange trees
Abstract Hop stunt viroid (HSVd) and Citrus tristeza virus (CTV) are the causal agents of most important diseases of citrus. Previously we reported a novel variant of HSVd that constantly associated with the yellow corky vein disease. Here, 19 individual citrus leaves with yellow corky vein symptoms were sampled for CTV by ELISA. In this study, most symptomatic samples were found to be inf...
متن کاملmixed infection of ctv and hsvd in yellow corky vein disease of washington navel orange trees
abstract hop stunt viroid (hsvd) and citrus tristeza virus (ctv) are the causal agents of most important diseases of citrus. previously we reported a novel variant of hsvd that constantly associated with the yellow corky vein disease. here, 19 individual citrus leaves with yellow corky vein symptoms were sampled for ctv by elisa. in this study, most symptomatic samples were found to be infected...
متن کاملRelationship between Chlorophyll Content and Canopy Reflectance in Washington Navel Orange Trees (citrus Sinensis (l.) Osbeck)
Understanding the spectral features of Washington navel trees is important to remotely measure and monitor the canopy properties and biochemical changes in plantations. Satellite and ground based passive remote sensing techniques have been widely used in many plant species. However, the use of these techniques in orange trees is limited. In this study, relationships between total chlorophyll (C...
متن کاملThe Study on Navel Orange Traceability Chain
Navel orange is one of the characteristic agricultural products in the middle region of china. The traceability system for navel orange can enhance consumer confidence due to the “stained navel orange” incident. Research on the navel orange traceability chain is the foundation and premise of building the traceability system. Based on the analyses of whole food chain of navel orange from origin ...
متن کاملSite of fluoride accumulation in navel orange leaves.
Fluoride-polluted navel orange leaves, Citrus sinensis (Linn.) Osbeck, were fractionated into the subcellular components in hexane/carbon tetrachloride mixtures having various densities. Fluoride was determined at each fraction. Analyses were also made for the subcellular distribution of chlorophyll, nitrogen, and DNA to assess the extent of cross-contamination of each component. The fraction c...
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ژورنال
عنوان ژورنال: International Organization of Citrus Virologists Conference Proceedings (1957-2010)
سال: 1980
ISSN: 0074-7203,2313-5123
DOI: 10.5070/c53z90m56w