Assessment of the Spraying with Ascorbic Acid and the Growth Regulator Kinetin on the Growth Characteristics of Sunflower Irrigated with Alkaline Water in Ramadi District

Abstract

The field experiment was implemented in accordance to map' our study in a private field in the Sufiya area of Ramadi District - Anbar Governorate during the spring season of the year 2022 to study the effect of some chemical properties of the Euphrates River and ascorbic acid at concentrations of (0, 5, 10) g/L, and concentrations of spraying the growth regulator kinetin at concentrations of (0, (100, 200) g/L in the growth characteristics of the Sunflower growth of the BANNER variety under the system of factorial experiments, with a sectors design and three time. The study gave the following results, as It was found that there were significant differences, as plants sprayed with high concentrations of ascorbic acid (0, 5, 10) gave significant differences between the characteristics of (plant height, stem diameter, number's leaves, leaf area index, and chlorophyll percentage) (131.49, 1.633, 28.87, (49.48 and 27.54, respectively. The addition of ascorbic acid was not affected significantly, and we did not notice significant various in the grade (leaf area) affected via spraying ascorbic acid. The concentrations sprayed with the growth regulator kinetin (0, 10, 20) gave significant differences in threshing structures (height of plant and diameter's stem). And the index of leaf area and chlorophyll percentage (124.07, 1.689, 25.59, 46.83), respectively. The addition of kinetin did not affect it significantly, and we did not notice significant differences in the traits (leaf area and number of leaves). The values of the moral interaction of the traits studied varied throughout them, and the irrigation water was Weak alkaline with levels ranging between (8.2 - 8.8).