PMID: 18724700Aug 30, 2008Paper

Germination and propagartors of artificial seeds of Dendrobium huoshanense

Sheng wu gong cheng xue bao = Chinese journal of biotechnology
Ziqing QinYongping Cai

Abstract

The artificial seeds of Dendrobium huoshanese was produced with Auxiliary buds, Protocorm-like bodies, and adventitious shoots. By using orthogonal experiment, we studied the effect of Maltose (%), hormone rate between 6-BA (mgx L(-1)) and NAA (mgL(-1)), active carbon (%), sodium alginate (%), time of ion exchange (min) on germination rate of artificial seeds of D. huoshanese. Then the leaking rate of maltose and variation of pH value of artificial seed capsule during vegetating of artificial seeds of D. huoshanese was measured. The results show that maltose played the most important role in inducing D. huoshanese artificial seeds to germinate. The optimal combination was: maltose 4%, hormone rate between 6-BA (mg x L(-1)) and NAA (mg x L(-1)) 10:1, active carbon 0.1%, sodium Alginate 4%, time of ion exchange is 10 min. Protocorm-like bodies were appropriate propagartor, the germination rate of artificial seeds of D. huoshanese takeing Protocorm-like bodies as the propagartors is 90.1%. After germination, the survival rate of seedlings of artificial seeds was 80.6%, the leaking rate of maltose of artificial seed capsule was 0.52%, and the pH value of artificial seed capsule decreased during the process of vegetation of artifici...Continue Reading

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