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Changes in biochemical properties of tomato(cv.240)affected by combination of blue/red optical spectra and calfomyth spray(Ca and P)

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International Journal of Agricultural and Biological Engineering 2020年第5期13卷 79-84页

作者： Ladan Ajdanian Hossein Aroiee Majid Azizi Mehdi Babaei Department of Horticultural Sciences Faculty of AgricultureFerdowsi University of MashhadMashhad***Iran Department of Horticultural Sciences Faculty of Agriculture and Natural ResourcesUniversity of TehranTehran***Iran

The levels of antioxidant activity and vitamins can change with varying ratios of different *** study was conducted as a pot experiment under soilless culture conditions in order to investigate the interactive effects of light supplementation and nutrition(calfomyth solution)on some qualitative traits of tomato *** research was carried out as a split-plot experiment based on a completely randomized design with three light treatments including without supplementary light(control),60% red light+40% blue light and 90%red light+10% blue *** were two nutritional treatments including no spraying with calfomyth as commercial fertilizer and foliar application with a concentration of 2 mg/L in three *** to the results,the amounts of vitamin C(16.1 mg/g FW fruit),soluble solids(12.33 mg/g FW fruit),and lycopene(2.95 mg/g FW fruit)were all uppermost by the effect of a higher percentage of red light *** percentage of the blue light resulted in the highest leaf chlorophyll content(38.4 mg/g FW leaf),but supplementary light treatments had no significant effects on the titratable ***(calfomyth foliar application)showed positive impacts on all treatment traits compared to ***-carotene content was affected by none of the treatments with no significant *** to this research,it can be expected that the use of complementary light treatments and calfomyth foliar spray may have positive effects on most of the qualitative traits in tomato fruit(cv.240).

关键词： biochemical properties tomato optical spectra calfomyth antioxidant lycopene phytochrome

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