Abstract
Crop plants release biochemicals into surrounding environment that help in obtaining maximum yield of crop by acting bioherbicide at high concentration and plant growth hormone at low concentration. Therefore, this study was planned at Department of Agronomy in Weed Science Laboratory, University of Agriculture Faisalabad during Winter 2018 to evaluate the hermetic effects of Cinnamomum verum (Dalchini) on vegetable crop Radish (Raphanus sativus) and determination and quantification Phenolic compound present in aqueous extract of bark of C. verum. The experiments were laid out under completely randomized design (CRD) having three replications. The aqueous extracts of C. verum was used on radish seeds at different concentrations (2.5%, 5%, 10%, 20%, 40% and 80%). Data regarding seed germination and seedling growth (shoot length, root length, shoot fresh weight, root dry weigh) of radish were recorded following standard procedures. Results of our study revealed that at higher concentration act as bioherbicide and produced inhibitory effects on R. sativus while at low concentration it shows hermetic effect and promoted the seedling growth. aqueous extract showed concentration. Among different Phenolic compound (Syringic acid, p-crumeic, Ferulic acid, Quercetion and Gallic acid) determine in aqueous extract of barck of C. verum Maximum Quercetion (12.3 %) and minimum Syringic acid (0.60 %) was found. Therefore, it was concluded from this study that aqueous extract of C. verum can be used as bioherbicides at higher concentration to control weed while at low concentration as plant growth regulator.
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