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8BR65
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In this study, Tiefeng 31 seedling leaves were sprayed with 1500 mg L-1 KHCO 3 and NaHCO 3 , respectively, and determined the photosynthetic rate, soluble sugar, photosynthetic pigment and other physiological indexes to explore the effect of K + , Na + and HCO 3 ˉ on soybean seedlings photosynthesis. The results showed that: compared with water spraying control, K + , Na + and HCO 3 ˉ improved soybean seedlings photosynthetic rate, the content of soluble sugar, chlorophyll a, chlorophyll b, and the ratio of chlorophyll b in total chlorophyll; promoted soybean seedlings photosynthesis by providing more assimilatory power to dark reactions carbon fixation; and enhanced the activities of ATP enzyme, photo phosphorylation, and PEPC. In addition, HCO 3 -played a more important role in promoting chlorophyll b synthesis and improving photosynthetic rate. NaHCO 3 significantly increased the content of Rubisco. For other physiological indexes but the content of Rubisco, the promotion of K + is more than Na + .
JianjunHao. 1970. "Influence of K+aNa+ and HCO3E on Photosynthesis of Soybean Seedlings". Global Journal of Science Frontier Research - C: Biological Science GJSFR-C Volume 13 (GJSFR Volume 13 Issue C3).
Crossref Journal DOI 10.17406/GJSFR
Print ISSN 0975-5896
e-ISSN 2249-4626
v1.2
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Total Score: 178
Country: China
Subject: Global Journal of Science Frontier Research
Authors: Jianjun Hao, Chunhua Huang, Huan Lu, Yang Yu (PhD/Dr. count: 0)
View Count (all-time): 174
Total Views (Real + Logic): 4437
Total Downloads (simulated): 308
Publish Date: 2013 05, Fri
Monthly Totals (Real + Logic):
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