CAO Meiyu,SUN Kai,YAN Binbin,et al.Effect of Light and Temperature on Photosynthetic Fluorescence Parameters and Volatile Oil Content of Atractylodes lancea[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(20):108-115.
CAO Meiyu,SUN Kai,YAN Binbin,et al.Effect of Light and Temperature on Photosynthetic Fluorescence Parameters and Volatile Oil Content of Atractylodes lancea[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(20):108-115. DOI: 10.13422/j.cnki.syfjx.20221316.
Effect of Light and Temperature on Photosynthetic Fluorescence Parameters and Volatile Oil Content of Atractylodes lancea
To study the effect of temperature and light intensity on photosynthetic fluorescence parameters
volatile oil content
and growth of
Atractylodes lancea
and provide reference for the rational selection of cultivation environment for
A. lancea
.
Method
2
We determined the photosynthetic indexes (such as net photosynthetic rate
water use efficiency
and carboxylation rate)
light response curve
CO
2
response curve
fluorescence parameters
and the content of four volatile oils in
A. lancea
under two temperature treatments (32 °C and 22 °C) and two light treatments (full light and shade).
Result
2
The net photosynthetic rate and water use efficiency of
A. lancea
under high temperature + strong light were significantly higher than those under high temperature + weak light and low temperature + strong light. The ability of
A. lancea
to use weak light at low temperature was the strongest
while the utilization rate of weak light under strong light significantly reduced. The photosynthetic rate of
A. lancea
at low temperature was more susceptible to light intensity and CO
2
concentration than that at high temperature. The maximum photosynthetic rate and apparent quantum efficiency under weak light were significantly higher than those under strong light. The photoreaction efficiency at high temperature was higher than that at low temperature. The total amount of volatile oil in
A. lancea
treated with high temperature + weak light was the highest
reaching 4.582%. Compared with high temperature + strong light
high temperature + weak light significantly increased the content of hinesol and
β
-eudesmol in
A. lancea
by 91.7% and 35.7%
respectively
and low temperature + strong light significantly increased the content of hinesol by 87.5%. The content of
β
-eudesmol in low temperature + weak light treatment was significantly lower than that in high temperature + weak light treatment.
Conclusion
2
TThe growth of
A. lancea
was affected by the interaction between temperature and light. The light and temperature conditions required for the accumulation of volatile oil were not consistent with those suitable for the growth and development of
A. lancea
.
A. lancea
responded to the changes of light and temperature conditions by regulating the synthesis and accumulation of volatile oil.
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Related Author
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Related Institution
Key Laboratory of Biology and Cultivation of Herb Medicine, Ministry of Agriculture and Rural Affairs
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College of Pharmacy, Heilongjiang University of Chinese Medicine