초록

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Abstract ▼ AI-Helper

To elucidate the relationship of the Quality of aromatic tobacco to their chemical constituents, certain chemical components and leaf Quality by price were compared among leaves produced, 1) under 4 different light intensities during maturing stage in field, 2) under 4 different temperature of 20

To elucidate the relationship of the Quality of aromatic tobacco to their chemical constituents, certain chemical components and leaf Quality by price were compared among leaves produced, 1) under 4 different light intensities during maturing stage in field, 2) under 4 different temperature of 20$^{\circ}C$. 25$^{\circ}C$. 30$^{\circ}C$ and control of l8-22-28$^{\circ}C$ in phytotron. As the light intensity decreased chlorophyll content of harvested leaves increased, but specific leaf weight and Quality of cured leaves lowered. The content of sugar. pet. ether exts. and volatile organic acids decreased, but total nitrogen, nicotine, ash and pH increased as the .light intensity decreased. As the growth temperature increased days to flower was shortened and the growth was decreased without significant difference in leaf Quality. With higher growth temperature the content of nitrogen, ash and pH increased, but sugar decreased with no difference in pet. ether exts., volatile organic acids and volatile neutral content. Several Quality indices were disscussed for the Quality evaluation of aromatic leaves for two groups, respectively.