نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانشجوی دکتری، گروه علوم و مهندسی آب، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران.
2 استاد، گروه علوم و مهندسی آب، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
To investigate the interaction of magnetic water and deficit irrigation on yield and yield components of marigold, a factorial experiment was conducted in a completely randomized design in the research greenhouse of the Faculty of Agriculture, Ferdowsi University of Mashhad, Iran, in 2019, using pot culture with 3 replications. Treatments included 4 irrigation levels (100%, 85%, 70%, and 55% of field capacity) and 2 types of water (normal water and magnetic water). The results showed that different levels of irrigation on all traits (except physical water productivity which was significant at a 5% level) were significant (P <0.01). Effects of magnetic water on the dry weight of lateral branches and flowers, number of flowers and physical water productivity were significant (at P <0.01); and on the dry weight of flowering stems and leaves, number of leaves and lateral branches were also significant (at P <0.05). The interaction effect of the studied treatments was significant (P <0.01) on the number of leaves; and on the dry weight of roots, flowers, and flowering stems (P <0.05). The highest dry weights of leaves and flowering stems, number of flowers, number of leaves and lateral branches, height and physical water productivity were in irrigation with 100% field capacity and were, respectively, 1.77 and 0.37 g/plant, 7 and 6, 18.4 cm and 0.186 kg/m3. Also, reducing irrigation water by 15%, 30%, and 45% reduced the number of flowers by 25.7%, 32.8%, and 54.3%; and the physical water productivity by 18.8%, 21.5%, and 24.2%, respectively. The highest dry weight of flowers, roots, and lateral branches were observed in magnetic water + irrigation with 100% field capacity, as 0.29, 0.5, and 0.74 g/plant, respectively. The results showed that using a magnetic field increased flower yield and water productivity of Marigold plants under water stress. In this study, the best treatment was 0.6 teslas magnetized water+ 100%FC. However, to apply these stresses at the field level, more research is needed.
کلیدواژهها [English]