Laboratory culture experiments showed that 【 100μmol/L nitrate, amonium or mixture of aminoacids promote the growth of the red tide organism Prorocentrum micans Ehrenb, but that 】100μmol/Lof ammonium, or mixture o...Laboratory culture experiments showed that 【 100μmol/L nitrate, amonium or mixture of aminoacids promote the growth of the red tide organism Prorocentrum micans Ehrenb, but that 】100μmol/Lof ammonium, or mixture of glycine and glutamate was harmful to growth, and that orthophosphatewas P. micrns’main phosphorous soruce in the ocean. Presence of 80μmol/L EDTA, 0.5 to 1μmol/LFe<sup>3+</sup>, 1.0 to 20.0 μmol/L Mn<sup>2+</sup> 0.1 to 0.4 μmol/L Co<sup>2+</sup> in the culture medium could improvethe growth of P. micans. Vitamin B<sub>1</sub> promoted growth, but vitamin B<sub>12</sub> and biotin did not. Theestimated minimum cell quotaS （q<sub>ο</sub>） for nitrogen and phosphorus being 0.74 pmole/cell and 0.045pmole/cell show that phosphorus （more than nitrogen） limits the growth of P. micans in the study area.展开更多
基金This project was supported by the Natural Science Foundation of Zhejiang Province
文摘Laboratory culture experiments showed that 【 100μmol/L nitrate, amonium or mixture of aminoacids promote the growth of the red tide organism Prorocentrum micans Ehrenb, but that 】100μmol/Lof ammonium, or mixture of glycine and glutamate was harmful to growth, and that orthophosphatewas P. micrns’main phosphorous soruce in the ocean. Presence of 80μmol/L EDTA, 0.5 to 1μmol/LFe<sup>3+</sup>, 1.0 to 20.0 μmol/L Mn<sup>2+</sup> 0.1 to 0.4 μmol/L Co<sup>2+</sup> in the culture medium could improvethe growth of P. micans. Vitamin B<sub>1</sub> promoted growth, but vitamin B<sub>12</sub> and biotin did not. Theestimated minimum cell quotaS （q<sub>ο</sub>） for nitrogen and phosphorus being 0.74 pmole/cell and 0.045pmole/cell show that phosphorus （more than nitrogen） limits the growth of P. micans in the study area.
