New Insights on Plum Pox Virus Present in Chile

QTL analysis of resistance to sharka disease in the apricot (Prunus armeniaca L.) ‘Polonais’ × ‘Stark Early Orange’ F1 progeny

“…In Europe, PPV is the most important virus affecting Prunus fruit crops and the most limiting factor for the apricot cultivation in terms of economics (Llácer and Cambra 1998). It has spread in almost all European countries and, more recently, in North and South America Damsteegt et al 2001;Reyes et al 2001) and in China (Navratil et al 2005). Two major types of PPV occur and are designated as the Dideron (PPV-D) and Marcus (PPV-M) strains.…”

Resistance of almond cultivars to Plum pox virus (sharka)

“…Plum pox virus is characterized by its high genetic variability, but two major strains exist in Europe: Dideron (PPV-D) and the more aggressive Marcus (PPV-M) (Candresse et al 1994). Only PPV-D isolates have been detected in countries in Western Europe including Spain, Portugal and Italy (Ko¨lber 2001), as well as in Chile (Reyes et al 2001) and North America (Damsteegt et al 2001). Other less common PPV isolates include El Amar (PPV-E) in North Africa and Cherry (PPV-C) in Central Europe (Ko¨lber 2001).…”

Investigations of the Plum pox virus in Chile in the past 20 years

“…Reyes and others (Reyes et al, 2001; characterized eight Chilean isolates based on biological and molecular methods. The isolates were transmitted by grafting to Prunus tomentosa Thunb.…”

“…Numerous cases have been found under field conditions with no obvious symptoms of PPV, but samples from these plants are positive to specific commercial antiserum of PPV , and positive to specific primers to the 3' end region of the viral genome (Reyes et al, 2001). Reyes et al (2001), working with asymptomatic isolates from peach trees transmitted to Nicotiana clevelandii A.…”

“…Since PPV was identified in Chile in 1994 (Herrera, 1994) studies have been conducted on its impact on commercial stone fruit orchards Fiore et al, 2010) and nurseries (Muñoz, 2001;Herrera and Madariaga, 2002), as wells as on prevalent strains (Rosales et al, 1998) and molecular characteristics (Reyes et al, 2001). However, there is not enough information on epidemiological aspects to allow for making decisions or establishing criteria with respect to the evolution of the disease in specific areas in Chile.…”