Response of the sun flower plant (Helianthus annuus L.) to concentrations of added proline under different levels of water stress on some physiological indicators
DOI:
https://doi.org/10.59658/jkas.v5i1.150Abstract
Anexperiment was carried out using plastic pots in the Department of Biology- College of Education for Pure Sciences / Karbala University during the growing season (2015) to study the effect of the interaction between different levels of water stress and proline acid on some physiological parameters of the sun flower plant, which included (Relative water content, Chlorophyll content in leaves, Activity of peroxidase enzyme in leaves and Proline content in the leaves).
The experiment included 27 units (experimental unit). The results were statistically analyzed and the averages were measured using the least significant difference below the probability level of 0.05.
The results showed that the added water level of 100% of the field capacity value gave the highest values for the studied traits (Relative water content, Chlorophyll content in leaves, Activity of peroxidase enzyme in leaves and Proline content in the leaves). It was also sprayed with proline acid with a concentration of 60 mg. L -1 gave higher values for the above-mentioned characters. The interactions between the levels of water stress and proline acid showed a various effect on the studied characters.
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