Ramy, G., Atef, M., Ahmed, A. (2019). The Role of Benzyl Amino Purine and Kinetin in Enhancing the Growth and Flowering of three Gaillardia Varieties. Alexandria Journal of Agricultural Sciences, 64(5), 277-288. doi: 10.21608/alexja.2019.80484
Gaber El-Kinany Ramy; M. K. Nassar Atef; A.A. El-Settawy Ahmed. "The Role of Benzyl Amino Purine and Kinetin in Enhancing the Growth and Flowering of three Gaillardia Varieties". Alexandria Journal of Agricultural Sciences, 64, 5, 2019, 277-288. doi: 10.21608/alexja.2019.80484
Ramy, G., Atef, M., Ahmed, A. (2019). 'The Role of Benzyl Amino Purine and Kinetin in Enhancing the Growth and Flowering of three Gaillardia Varieties', Alexandria Journal of Agricultural Sciences, 64(5), pp. 277-288. doi: 10.21608/alexja.2019.80484
Ramy, G., Atef, M., Ahmed, A. The Role of Benzyl Amino Purine and Kinetin in Enhancing the Growth and Flowering of three Gaillardia Varieties. Alexandria Journal of Agricultural Sciences, 2019; 64(5): 277-288. doi: 10.21608/alexja.2019.80484
The Role of Benzyl Amino Purine and Kinetin in Enhancing the Growth and Flowering of three Gaillardia Varieties
1Department of Horticulture and 2Plant Protection Department, Faculty of Agriculture, Damanhour University, Damanhour, El-Beheira, PO Box 59, Egypt,
2Department of Horticulture and 2Plant Protection Department, Faculty of Agriculture, Damanhour University, Damanhour, El-Beheira, PO Box 59, Egypt
3Forestry and Wood Technology Department, Faculty of Agriculture (El-Shatby), Alexandira University, Alexandria, Egypt
Receive Date: 05 April 2020,
Accept Date: 05 April 2020
Abstract
Two pot experiments were carried out during two successive winter seasons of 2015/2016 and 2016/2017 in a private commercial nursery located at Damanhour City, El-Beheira Governorate, Egypt. The objective of this research was to evaluate the effect of two synthetic cytokinins: benzyl amino purine (BAP) at 50 and 100 ppm and 6-furfuryl-aminopurine (kinetin) at 25 and 50 ppm, each alone, on the growth performance, yield and quality of three varieties (pulchella, Mesa Yellow and Lorenziana) of gaillardia (Gaillardia pulchella). The experiment was designed as a split-plot design containing three replicates. The obtained results of the two seasons, generally, revealed that Gaillardia pulchella var. pulchella had the highest plant and flowering growth parameters, (viz. number of inflorescence per plant and flowering duration). While, Lorenziana variety showed the best diameter, longevity, fresh weight and dry weight of inflorescence per plant. Spraying gaillardia plants with BAP and kinetin significantly enhanced vegetative, root and flowering parameters compared to the control treatment. From that, BAP at 100 ppm or kinetin at 25 ppm recorded the highest mean values of the most recorded data and might be considered as optimal treatment for the production of high yield and quality of gaillardia plants under the environmental conditions of El-Beheira Governorate and other similar regions.
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