Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(8), 59-66 | DOI: 10.11118/actaun201260080059

The evaluation of occurrence of PPV symptoms in young peach orchard according to the used rootstock

Klára Gogolková, Jana Horsáková, Ivo Ondrášek, Boris Krška

Ústav ovocnictví, Mendelova univerzita v Brně, Valtická 337, 691 44 Lednice, Czech Republic

The degree of PPV occurrence was monitored in a young peach orchard during 2010-2011. This study evaluates the percentage of infected trees in 2010 as well as the intensity of PPV symptoms in 2011 in two peach varieties "Royal Glory" and "Symphony" grafted on seven different rootstocks of Prunus species after the natural infection. The different intensity of PPV symptoms was proved on infected parts such as flowers, leaves, fruits and from rootstocks' point of view.
In 2010 were PPV symptoms most often detected in variety 'Royal Glory' grafted on rootstock Julior where 100% of trees were infected. No visible symptoms were observed in trees of variety 'Symphony' on Pumiselect rootstock. As for the rootstocks evaluation, PPV symptoms were most numerous in trees grafted on MRS 2/5 rootstock (94.78%), at least were monitored on Lesiberian rootstock (28.47%).
The intensity of PPV symptoms on flowers, leaves and fruits in each combination was evaluated in 2011. Generally, the PPV symptoms were present mainly on flowers and less on fruits.

Keywords: Peaches, P. persica L., intensity of PPV symptoms, flower, leaf, fruit, rootstock

Grants and funding:

The study was partly prepared on the basis of the QI91A032 project "Selection of apricot genotypes resistant to PPV with market quality fruits" and partly on project National Programme on Conservation and utilization of plant genetic resources and agrobiodiversity, No. 206553/2011-MZE-17253.

Received: September 13, 2012; Prepublished online: March 29, 2013; Published: March 30, 2013  Show citation