During the last five years, one of the targets of our research work from the area of South-Western part of Romania was to determine the most important diseases sources for maintaining their infectious pressure the diseases of plum trees from a very favorable area as there are the western part of Romania. Also, it is an attempt to see the dynamics of those pathogens. It is our duty to show from the very beginning that this paper contain data from last five years of research and this is the reason why data statistic interpretation could suffer dramatic changes in the near future, after we bring more observations data for statistic analyze. On the plum orchards, Stigmina carpophila is one of the pathogens which take it’s share from the leafs of plum trees and so it take a part of the plum crop. Never the less the pathogen produce a premature aging of the trees by reducing each ear the plum trees vigor. As an active measure to prevent this pathogen to produce damage to the trees and plum harvest it is necessary to apply some treatments after a premade plan of trees protection measure. But all these measures bring a higher cost to the harvest and also some pollution by using some fungicides. To reduce the number of treatments it is sometimes useful to know the infetios preasure of the pathogens which are the target of the phytosanitary plan of actions. Results point out that the best rain distribution and temepratures for fungus Stigmina carpophila were in those from 2020.

Prunus sp. , Stigmina carpophila, weather influence

biology

Presentation: poster