Study on the Pigments in Prunus&times;Cistena ‘Pissardii’ and its Photosynthetic Characters

doi:10.11924/j.issn.1000-6850.0502225

Chin Agric Sci Bull ›› 2005, Vol. 21 ›› Issue (2) : 225-225. DOI: 10.11924/j.issn.1000-6850.0502225

Study on the Pigments in Prunus×Cistena ‘Pissardii’ and its Photosynthetic Characters

LV Fu-mei, Shen Xiang, Wang Dongsheng, Qu Xiaoling, Li Yameng

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Abstract

The experiment determined the dynamic change of the pigments in the leaves of Prunus×Cistena ‘Pissardii’ .The content of anthocyanin is higher in spring and autumn. But the content of chlorophyll is higher in summer. Cu2+ and Fe3+ can improve the absorbance value of chlorophyll 23% and anthocyanin 10.9% respectively. The pigments are unstable under light, the stronger the light is, the more quickly they decompose.Use the LI-6400 portable photosynthesis system to detect the photosynthetic characters of Prunus×Cistena ‘Pissardii’. Double peaks appear in the curve of diurnal and annual variation of photosynthetic rate and one peak in the curve of transpiration rate. The highest peak in a day was appeared on 10:00 A.M. in photosynthetic rate curve and on 12:00 in transpiration rate curve. In a year the highest peak appears in June and August.

Key words

Prunus×Cistena ‘Pissardii’;Pigment;Stability;Annual change;Net photosynthetic rate;Transpiration rate;Diurnal change

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LV Fu-mei, Shen Xiang, Wang Dongsheng, Qu Xiaoling, Li Yameng. Study on the Pigments in Prunus×Cistena ‘Pissardii’ and its Photosynthetic Characters[J]. Chinese Agricultural Science Bulletin. 2005, 21(2): 225-225 https://doi.org/10.11924/j.issn.1000-6850.0502225

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