Effect of cytokinins and auxins on the growth of free-living conchocelis ofPorphyra yezoensis |
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| Authors: | Duan De-lin Fei Xiu-Geng Ren Hong-xu Chen Xiong Zhu Ying |
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| Institution: | (1) Institute of Oceanology, Chinese Academy of Sciences, 266071 Qingdao;(2) Ocean University of Qingdao, 266003 Qingdao |
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| Abstract: | IAA 3-Indolylacetic acid, NAA a-Naphthylacetic acid and cytokinins in PESI culture medium were used in a study on the effects
of plant hormones on the growth of free-living conchocelis ofPorphyra yezoensis which showed that its growth in medium with cytokinins, IAA and NAA was more rapid than that in medium with non—phytohormones;
that the optimal concentrations for promoting growth were 10 μg/L for IAA and ZA (Zeatin), and 0.1 μg/L for BA 6-Benzyl amino
purine and KIN 6-Furfurylamino- purine. Mix use of NAA, IAA and cytokinins, NAA/ZA 1–1000/1 μg/L, NAA/BA 10/1-1000 μg/L, NAA/KIN
1/1-1000 μg/L promoted growth. IAA/ZA 0.1-1/0.1-1 μg/L; IAA/BA 0.1-1/0.1-10 μg/L IAA/KIN 1/0.1-1000 μg/L also promoted growth.
Contribution No. 2335 from the Institute of Oceanology, Chinese Academy of Sciences. Contribution No. 94 from the Experimental
Marine Biology Lab Qingdao, China.
The research was supported by a grant from the Chinese Academy of Sciences. |
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| Keywords: | Porphyra yezoensis conchocelis auxin cytokinin growth |
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