EFFECT OF GA3, PP333 AND/OR PINCHING ON GROWTH AND FLOWERING OF ASTER ERICOIDES CV "MONTE CASINO" UNDER PROTECTED CULTIVATION | ||||
| Journal of Biological Chemistry and Environmental Sciences | ||||
| Volume 14, Issue 1, March 2019, Page 409-419 PDF (366.82 K) | ||||
| DOI: 10.21608/bces.2019.425763 | ||||
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| Abstract | ||||
| This research was carried out at Ornamental farm, Department of Horticulture, Faculty of Agriculture, Ain Shams University, Shoubra El-Kheima, Cairo, Egypt. During two seasons (2017-2018 and 2018- 2019) to study the effect of GA3, PP333 and/or Pinching treatments on vegetative growth and flowering of Aster ericoides cv "Monte Casino" plants. The treatments GA3 at different concentrations (0, 100 and 200 ppm) and PP3333 at different concentrations (0, 50 , 100 and 200 ppm) all the treatments were with pinching or without pinching of apical buds for each plant .GA3 at 100 ppm gave heighst value of flower stalk diameter (0.49 cm) in the two seasons under study. In case of flowering parameters such as No. of flowers ( 293) , and fresh weights of plants (52.62 g) the best results were obtained when PP333 at 50 ppm without pinching treatment were used. According to these results it was advisable to use PP333 at 50 ppm without pinching and GA3 at 100 ppm to increase flowering growth of Aster "Monte Casino" plants. The heighst values of micro-elements in the plant composition were obtained with Fe,Zn,Mn and Cu, respectively.Also, there were no significant differences between all the treatments for much of the remain parameters for the two season of the study. | ||||
| Keywords | ||||
| Key words: Aster ericoides "Monte Casino"; Gibberellin (GA3); Paclobutrazol (PP 333); and Pinching | ||||
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