Calendula Response to Salinity Stress

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Calendula Response to Salinity Stress

November 14, 2020 AGRICULTURE 0

The object of this research, conducted at the Department of Ornamental Horticulture, Faculty of Agriculture, University of Cairo, Giza, Egypt during the years 2015/2016 and 2016/2017, was to study the response of plant growth, floral characteristics and chemical composition of Calendula officinalis plants to salinity treatments at levels (0, 1000, 2000 and 3000 ppm) and Atonik (nitrophenolate-based biostititium). A significant increase in vegetative parameters and total chlorophylls resulted in the spraying of stressed plants with Nitrophenolate at 2 ml/L. It also had a major positive effect on the number of ray florets, the diameter of the inflorescence, and the total flavonoids. In comparison to control plants, high catalase enzyme activity was reported from plants irrigated by 3000 ppm of saline water and sprayed with 2 ml/L nitrophenolate. It can be inferred from the results obtained that by spraying them with Nitrophenolate at the rate of 2 ml/L, saline stressed plants could have vegetative growth similar to non-stressed plants.

Author(s) Details

H. M. Swaefy
Ornamental Horticulture Department, Faculty of Agriculture, Cairo University, Giza, Egypt.

R. A. El-Ziat
Ornamental Horticulture Department, Faculty of Agriculture, Cairo University, Giza, Egypt.

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