Gayed, M. (2020). INFLUENCE OF FOLIAR APPLICATION OF SALICYLIC ACID ON GROWTH AND FLOWERING OF CALENDULA OFFICINALIS L. UNDER LEVELS OF SALINITY. Menoufia Journal of Plant Production, 5(7), 325-341. doi: 10.21608/mjppf.2020.171520
M. E. Abd El Gayed. "INFLUENCE OF FOLIAR APPLICATION OF SALICYLIC ACID ON GROWTH AND FLOWERING OF CALENDULA OFFICINALIS L. UNDER LEVELS OF SALINITY". Menoufia Journal of Plant Production, 5, 7, 2020, 325-341. doi: 10.21608/mjppf.2020.171520
Gayed, M. (2020). 'INFLUENCE OF FOLIAR APPLICATION OF SALICYLIC ACID ON GROWTH AND FLOWERING OF CALENDULA OFFICINALIS L. UNDER LEVELS OF SALINITY', Menoufia Journal of Plant Production, 5(7), pp. 325-341. doi: 10.21608/mjppf.2020.171520
Gayed, M. INFLUENCE OF FOLIAR APPLICATION OF SALICYLIC ACID ON GROWTH AND FLOWERING OF CALENDULA OFFICINALIS L. UNDER LEVELS OF SALINITY. Menoufia Journal of Plant Production, 2020; 5(7): 325-341. doi: 10.21608/mjppf.2020.171520
INFLUENCE OF FOLIAR APPLICATION OF SALICYLIC ACID ON GROWTH AND FLOWERING OF CALENDULA OFFICINALIS L. UNDER LEVELS OF SALINITY
Global climatic changes limited the fresh water supply, which led to increasing the need for irrigation water. For this reason, the main objective of this study was to investigate the influence of diluted seawater irrigation (0, 10, 20 and 30 % seawater) and trying to counteract the adverse effect of seawater salinity by spraying with salicylic acid (SA)(0, 150, and 300 ppm). Additionally, during the two successive seasons of 2017 and 2108 seasons an experimental pots research in Sakha horticultural research station at Kafr El-Sheik Governorate, Egypt, was performed to study the effects of irrigation with diluted seawater combined with foliar application of salicylic acid at on growth, flowering and survival percentage parameters, along with the chemical composition of Calendula officinalis L. plants. The results exposed that irrigation with high levels of diluted seawater at 20 and 30 % decreased growth, root and flowering parameters, total green color, carotene contents in flowers and leaf N, P, K, Ca contents and survival % meanwhile, Na, Cl, Na/K ratio and proline were increased. All tested foliar applications of SA especially at 300 ppm increased all vegetative growth, roots and flowering traits. The most effective treatments which enhance growth, flowering parameters, mineral contents, and survival% were found to be application of 0 or 10 % seawater in combination with spraying SA at 150 and 300 ppm. Thus, it could be recommended to irrigate Calendula plant with diluted seawater at 10 % with spraying salicylic acid at 300 ppm to give the best results in terms of growth, flowering and survival %.
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