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Preliminary Research on Physiological Effects of Different Triacontanol on Strawberry

Xin Hua

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Abstract

Pot-strawberry in the greenhouse were used to investigate the effercts of triacontanol(TA) on photosynthetic characteristics.The results indicated that TA could signifciantly enhance photosynthetic rate after 5 days with different TA treatment.GDmparing with the control(without TA ),net photosynthetic rate(Pn),transpiration rate(Tr ),an stomatal conductance(Gs) were promoted at lower concentration(≤0.1 g/L) and inhibited at higher concentration(≥1 g/L).Intercellular carbon dioxide concentration(Ci) decreased,while water use efficiency(WUE) and stomatal limitation value(Ls) increased with the increasing concentration of TA.Though various concentration of TA caused different results to chlorophyll content,the difference was not significant.TA concentrations in the range suitable for spraying was 0.1 g/L.

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What this paper is about

Pot-strawberry in the greenhouse were used to investigate the effercts of triacontanol(TA) on photosynthetic characteristics.The results indicated that TA could signifciantly enhance photosynthetic rate after 5 days with different TA treatment.GDmparing with the control(without TA ),net photosynthetic rate(Pn),transpiration rate(Tr ),an stomatal conductance(Gs) were promoted at lower concentration(≤0.1 g/L) and inhibited at higher concentration(≥1 g/L).Intercellular carbon dioxide concentration(Ci) decreased,while water use efficiency(WUE) and stomatal limitation value(Ls) increased with the increasing concentration of TA.Though various concentration of TA caused different results to chlorophyll content,the difference was not significant.TA concentrations in the range suitable for spraying was 0.1 g/L.

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Available abstract

Pot-strawberry in the greenhouse were used to investigate the effercts of triacontanol(TA) on photosynthetic characteristics.The results indicated that TA could signifciantly enhance photosynthetic rate after 5 days with different TA treatment.GDmparing with the control(without TA ),net photosynthetic rate(Pn),transpiration rate(Tr ),an stomatal conductance(Gs) were promoted at lower concentration(≤0.1 g/L) and inhibited at higher concentration(≥1 g/L).Intercellular carbon dioxide concentration(Ci) decreased,while water use efficiency(WUE) and stomatal limitation value(Ls) increased with the increasing concentration of TA.Though various concentration of TA caused different results to chlorophyll content,the difference was not significant.TA concentrations in the range suitable for spraying was 0.1 g/L.

Key concepts: Triacontanol, Transpiration, Photosynthesis, Stomatal conductance, Carbon dioxide, Water-use efficiency, Horticulture, Chemistry

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