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Abstract
Despite the importance of mud reaction for sow establishment, few and incomplete studies have included this key factor so far. In this study, we investigated the effects of mud pH on the growth of sow height, width, dry weight, etc., an allergenic genus that is highly persistent and in Europe, through a replicated experiment in controlled conditions. In addition, we determined if mud pH has an effect on the total some kinds of genus. After preliminary growth tests on sow at different pH levels from pH4 to pH8, sows were grown in natural mud with pH values of pH5-acidicic, pH6-sub-acidicic and pH7- neutral obtained by modifying a natural mud by online data provided resources. Results showed that sows grown at pH7 were shorter and developed leaves at a slower rate than those grown at pH5 and pH6; sows grown at pH7 did not produce flowers and pollen. We also observed that, at pH5 and pH6, larger sows had both larger and more numerous inflorescences and emitted pollen earlier.