Citrus Tristeza Virus Causes Stem Pitting in Rangpur Lime Rootstock Grafted with Some Mandarin Cultivars in Capão Bonito, Brazil
نویسندگان
چکیده
منابع مشابه
Citrus tristeza virus-host interactions
Citrus tristeza virus (CTV) is a phloem-limited virus whose natural host range is restricted to citrus and related species. Although the virus has killed millions of trees, almost destroying whole industries, and continually limits production in many citrus growing areas, most isolates are mild or symptomless in most of their host range. There is little understanding of how the virus causes sev...
متن کاملIncompatibility of ‘Cleopatra’ mandarin rootstock for grafting citrus in Central Amazon, State of Amazonas, Brazil
In sweet orange ‘Pêra-Rio’ and acid lime ‘Tahiti’ citrus plants (Citrus spp.) stalked on “Cleopatra” mandarin, a necrosis in the grafting point was observed, causing plant death and dry fruits. Aiming to identify the causes of changes in the rootstock, which lead to grafting incompatibility, an anatomical study comparing plants with and without symptoms, stalked on Rangpur lime, was performed. ...
متن کاملDeveloping an understanding of cross-protection by Citrus tristeza virus
Citrus tristeza virus (CTV) causes two citrus diseases that have caused devastating losses in global citrus production. The first disease is quick decline of trees propagated on the sour orange rootstock. The second disease is stem pitting, which severely affects a number of economically important citrus varieties regardless of the rootstock used and results in reduced tree growth and vigor as ...
متن کاملEtiology of three recent diseases of citrus in São Paulo State: sudden death, variegated chlorosis and huanglongbing.
The state of São Paulo (SSP) is the first sweet orange growing region in the world. Yet, the SSP citrus industry has been, and still is, under constant attack from various diseases. In the 1940s, tristeza-quick decline (T-QD) was responsible for the death of 9 million trees in SSP. The causal agent was a new virus, citrus tristeza virus (CTV). The virus was efficiently spread by aphid vectors, ...
متن کاملتولید کلون های عاری از ویروس ارقام نارنگی ساتسوما از تخمکهای نابارور
In order to produce Tristeza virus-free plants from Satsuma mandarin (Citrus unshiu) cultivars (Ishikawa, Sugiyama and Myogawa), unfertilized ovules of plants suspected of CTV (Citrus Tristeza virus), from Mazandaran Mahdasht orchard were cultured on 4 media. Embryogenesis of nucellus tissue of ovules from Ishikawa and Sugiyama cultivars on MS medium were 31% and 25% and on MT medium from Ishik...
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ژورنال
عنوان ژورنال: International Organization of Citrus Virologists Conference Proceedings (1957-2010)
سال: 1996
ISSN: 0074-7203,2313-5123
DOI: 10.5070/c545f2z4r4