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2002•Journal of the South China Agricultural UniversityRequires access

Relationship Between the Changes of Activities and Isoenzymes of Polyphenol Oxidase and the Rooting of Eucalyptus Cuttings After Treatment with Naphthylacetic Acid

Li Ming

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Abstract

Eucalyptus urophylla Blade MLA clone (MLA) was a difficult to root species. E. urophylla Blade U 6 clone (U 6) and E. ABL 12 W 5 clone (W 5) were relatively easy to root species. The activity of polyphenol oxidase (PPO) in MLA was lower than that in U 6 and W 5. After the cuttings of Eucalyptus were treated with naphthylacetic acid (NAA), the activities of PPO increased regularly in different stages of rooting. The relationship between the oxidase and rooting of Eucalyptus cuttings was discussed.

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What this paper is about

Eucalyptus urophylla Blade MLA clone (MLA) was a difficult to root species. E. urophylla Blade U 6 clone (U 6) and E. ABL 12 W 5 clone (W 5) were relatively easy to root species. The activity of polyphenol oxidase (PPO) in MLA was lower than that in U 6 and W 5. After the cuttings of Eucalyptus were treated with naphthylacetic acid (NAA), the activities of PPO increased regularly in different stages of rooting. The relationship between the oxidase and rooting of Eucalyptus cuttings was discussed.

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Available abstract

Eucalyptus urophylla Blade MLA clone (MLA) was a difficult to root species. E. urophylla Blade U 6 clone (U 6) and E. ABL 12 W 5 clone (W 5) were relatively easy to root species. The activity of polyphenol oxidase (PPO) in MLA was lower than that in U 6 and W 5. After the cuttings of Eucalyptus were treated with naphthylacetic acid (NAA), the activities of PPO increased regularly in different stages of rooting. The relationship between the oxidase and rooting of Eucalyptus cuttings was discussed.

Key concepts: Cutting, Eucalyptus, Polyphenol oxidase, Biology, Botany, clone (Java method), Horticulture, Polyphenol

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