Volume 6, Number 19 (vol.6,no. 19, Year 2017 2017)                   jppf 2017, 6(19): 153-162 | Back to browse issues page


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Study of changes in greenhouse tomatoes treated with beneficial elements in the form of metal metal and nanometals. jppf. 2017; 6 (19) :153-162
URL: http://jispp.iut.ac.ir/article-1-417-en.html

Abstract:   (444 Views)

Selenium (Se) is an essential element for human and livestock health with antioxidant and anticancer effect. Although Se is not an essential element for plant growth,but improve the plant growth. A hydroponic experiment was conducted in the greenhouse of Isfahan University of Technology in winter of 1391. The completely randomized design was arranged. Se in four concentration 0, 2.5, 5 and 10 µM and Nano-Se in0,1, 4, 8 and 12 mM was added to nutrient solution. The results showed that Se improved stem diameter, fresh weight of shoot, chlorophyll content and phenol. Nano-Se improved root volume, fresh weight of root, relative water content of shoot, internal stomata CO2, and leaf temperature and mesophyll conductance. Se and Nano-Se were effective in 10 and 4 µM, respectively.Root volume increased in 8 µM Nano-Se by 72.4%. Chlorophyll content increasd by 73% in 10 µM Se. N-Se was more effective than Se on mesophyll conductance and increased in 4 µM Nano-Se by 9.9%. Conclusively, Nano-Se and Se in 10 and 4 µM was more effective respectively on most vegetative,antioxidant and photosynthetic activity of tomato.

Full-Text [PDF 423 kb]   (145 Downloads)    
Type of Study: Research | Subject: Hourticulture
Received: 2015/05/12 | Accepted: 2016/03/2 | Published: 2017/03/12

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