Evaluation of biological active formulates and strains for the biological control of replant disease in citrus rootstocks
2020
Pinar, Hasan | Kaymak, Suat | Uzun, Aydin
Knowledge of biotic components of soil “replant disorders” or “replant disease” affecting fruit tree orchards substantially increased in the 1980s, thanks to the in-studies carried out on soil fumigants. In fact, the significant increase of young fruit tree plant growth in fumigated plots in comparison to non-fumigated plots suggested that soil microorganisms play an important role in growth reduction generally classified as “replant disorders”. The replant problems affecting all fruit tree crops of high economic value in Europe are strongly related to land degradation problems due to intensive cropping with frequent orchard replants. The combination of the selected resources with low input agro-management practices for controlling soil borne pathogens, such as solarisation, bio-pesticides, soil movement and other available tools etc., should lead to new management options in organic fruit tree orchards. In present study was conducted to determine effect of some product of Bio-formulates in citrus plants which protect from replant disease such as Phytophthora citropthora. Sour orange and Trifliage rootstocks were used and treated ten active ingredient/microorganism for Phytophthora citropthora. All products had positive effect on plant growing, but ISR200 had highest value. This differences can be because of plant material, temperature and product doses.
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