Effects of Agricultural Film of Different Colors on the Growth of Seedlings of Medicinal Plant Panax notoginseng

doi:10.11924/j.issn.1000-6850.2013-2997

Abstract

Abstract: To select agricultural film of different colors and to provide a scientific base for nursing healthy seedlings, the morphology and biomass of Panax notoginseng seedlings were examined which were grown in the greenhouse with different color film. Seeds of P. notoginseng were sowed in the red, orange, yellow, green, cyan, blue and violet film greenhouse. The morphology and biomass of seedlings were measured and analyzed when the root of seeding expanded for the medium. Plant height and crown breadth of the seedlings grown in the red and orange film greenhouse showed a maximum value. Fine root number, root length and root diameter of the seedlings grown in the cyan film greenhouse had a maximum value. The greater stem diameter was observed in the seeding grown in the yellow film greenhouse. The relative chlorophyll content reach a maximum value in seedlings grown in the blue film greenhouse. The total biomass is greatest in the seedlings grown in the orange, yellow, cyan and violet film greenhouse. Compared with the seedlings grown in the other color films, the seedling grown in the cyan and yellow film allocated a larger proportion of biomass to the root, however the seedling grown in the green film allocated a higher proportion of biomass to the leaf. The results obtained here suggest that the seedli

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