Physical Characteristic Difference of Flue-cured Tobacco Leaves Under Different Light Qualities

doi:10.11924/j.issn.1000-6850.casb15110131

Abstract

Abstract: Theaimwastoconfirmtheeffectofdifferentlightqualitiesonthephysicalcharacteristicsofflue-cured tobacco. Different light qualities were obtained with different color films of red, yellow, green, blue and white. ‘K326’was used as material, and the physical characteristic differences of flue-cured tobacco were studied with different light qualities. The results showed that: (1) covering with different colored plastic film could obviously change the composition proportion of visible light wave bands in solar spectrum; (2) compared with the control, the leaf area, single leaf weight, density and water proportion of leaves covered with white filter film increased significantly, and stalk proportion decreased significantly; by adding green and blue light proportion, the thickness, pull value, density and water proportion of tobacco leaves increased significantly, and the leaf area, single leaf weight, stalk proportion and filling value showed an opposite trend; by increasing red light proportion, the thickness, leaf area, single leaf weigh, stalk proportion, density, and water proportion of middle and upper leaves reduced. Therefore, covering with white filter film could be used in production to improve the tobacco quality.

CLC Number:

S572

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