The efects of 24-epibrassinolide corm priming and foliar spray on morphological, biochemical, and postharvest traits of sword lily
2018
Samaneh Mollaei, Shahid Bahonar University of Kerman, Kerman, Iran | Homayoun Farahmand, Shahid Bahonar University of Kerman, Kerman, Iran | Iraj Tavassolian, Shahid Bahonar University of Kerman, Kerman, Iran
Gladiolus, or sword lily, is one of the most important cut fowers worldwide. Enhancement of its traits is of paramount importance to the fower industry. The application of 24-epibrassinolide (EBR) by corm priming and plant foliar spray to improve morphological, biochemical and postharvest characteristics of Gladiolus grandiforus cv. Oscar were investigated. Concentrations of 0.5, 1, and 2 μM EBR as well as distillated water as a control were used for both corm priming and foliar spray treatments. Results showed that the highest levels of corm sprouting and fower spike emergence were obtained at 1 μM EBR. Floret numbers, fower spike fresh and dry weight, and vase life showed the highest values at 1 μM EBR combined treatments. The combination of corm priming at 2 μM and foliar spay at 1 μM EBR, showed the highest efect on malondialdehyde reduction. The highest activities of antioxidant enzymes such as catalase, peroxidase, and superoxide dismutase were obtained in combination of 1 μM EBR corm priming and 1 μM EBR foliar spray. EBR treatments prolonged vase life from 8 to 14 days and signifcantly improved gladiolus morphological and biochemical traits.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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