Agronomy and Horticulture, Department of

 

Document Type

Article

Date of this Version

1965

Comments

Published in Agronomy Journal (1965) 57: 140-143.

Abstract

Peroxidase activity in extracts of underground buds of ironweed and leafy spurge was at the lowest level during the period of dormancy in both species, and increased when dormancy was broken. Polyphenoloxidase activity of bud extracts was high for ironweed and very low for leafy spurge, and showed no relationship with dormancy in either species. Ninhydrin-positive substances generally and sulfur-containing amino acids in particular increased during the dormant period.

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