Effects of Grafting on Cucumber Growth under Flooding Stress during ۱۵ Days in Vegetative Stage
- سال انتشار: 1401
- محل انتشار: مجله علوم و فناوری کشاورزی، دوره: 24، شماره: 4
- کد COI اختصاصی: JR_JASTMO-24-4_010
- زبان مقاله: انگلیسی
- تعداد مشاهده: 60
نویسندگان
Department of Horticulture- College of Agriculture- Isfahan University of Technology
Department of Horticulture- College of Agriculture- Isfahan University of Technology
چکیده
In this study, the effects of flooding stress on grafted cucumber were examined over time. A factorial experiment based on a complete randomized design was conducted with three plots including ۹ plants in each plot. Water status treatments included optimum irrigation and flooding stress for ۱۵ days and three cucumber treatments consisted of grafted cucumber (Cucumis sativus var. Isfahan) into Cucurbita maxima×Cucurbita moschata ‘Ferro’= R۱ and ‘Cobalt’= R۲; and Non-Grafted cucumber= NG was used as the control. Some physiological and growth parameters were measured ۳ times in the vegetative stage to follow the effect of flooding stress when used on grafted cucumber. The results showed that K concentration decreased by flooding in the non-grafted, while R۱ and R۲ could efficiently uptake K in the flooding condition. Both decreasing photosynthesis and water potential of the plant were observed in non-grafted cucumber, reducing the transpiration and stomatal conductance, resulting in more water content in plants and increasing the fresh weight of grafted cucumbers. Grafted cucumber, i.e., R۱ and R۲ effectively maintained their growth under flooding stress, seemingly by using a different mechanism: R۱ by increasing water potential for preserving water and R۲ by improving photosynthesis, could successfully keep the growth of grafted-cucumbers under the flooding stress.کلیدواژه ها
Cucumis sativus, Phonological stage, Photosynthesis, Waterlogging, Water potential.اطلاعات بیشتر در مورد COI
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