The high branch strp experiment was carried out on the “black pearl”Syzygium samarangense,
and different matrx strates, different concentrations of IBA, different months and different degrees of lignification
were used in the Sihui city, Guangdong province. The results showed that the "black pearl" S. samarangense 1 to
2 years raw branches were used as the material, and the water moss grass and yellow mud slurry (1:1) was used as
the matrix, and the plastic film with bandage, the rooting rate reached 82.22%; IBA100 mg · L-1 aqueous solution
treatment branches, the rooting rate 85.16%; in the different months of the test, the rooting rate in January, April,
July, and October was 46.67%, 82.22%, 80.13%, and 75.23%, respectively. The rooting rate of high, medium
and low branches with lignification was 82.22%, 82.22% and 81.74%, respectively. The results showed that from
April to October, the treatment of branch with Carex and yellow mud slurry (1:1) as matrix and IBA100 mg · L-1
aqueous solution was a convenient, fast and practical method for breeding "black pearl" S. samarangense.
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