Investigating the effects of chemical compounds and biological products on Monilia laxa pathogen, one of the factors of brown rot in stone fruit trees in Golestan Province
Monilia Laxa pathogen is the most common cause of the brown rot disease and it is prevalent in the most stone fruit production areas, particularly in the different regions of the Caspian Sea. If a management strategy is not developed for this disease, it will become the limiting illness for producing stone fruits in the North Country province. In order to investigate the effects of chemical pesticides and biological products on the blossom burn rate and intensity of fruit brown rot, a factorial experiment based on a completely randomized design with six treatments and three replications was performed in the Bonyad garden of the Aliabad city. Mean comparisons were performed with using the Duncan method. Results of the variances analysis and evaluation of the disease control by comparing the effects of the toxins and different biological products on the blossom burn rate and intensity of fruit brown rot indicated that the difference between treatments was significant (p<0/01). In the blooming stage, the most impact (%7/083) was related to the toxin Rvral-TC and the least affected (%15/417) was related to the combination Trichodermin. But in the fruits, the rate of the contamination with Trichodermin reached to %25 and with Rvral-TC reached to %166/9 and intensity of the contamination (lesion diameter) with Trichodermin, it was 5/22mm and with toxin copper oxy chloride, it was 27/667mm, respectively.
Journal of Plant Protection, Volume:37 Issue: 1, 2014
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