Foam sprays of Alar increase growth retarding effects on oleander
Author AffiliationsHenry Hield is Specialist, Department of Plant Sciences, University of California, Riverside.
Hilgardia 26(11):6-7. DOI:10.3733/ca.v026n11p6. November 1972.
The plant growth regulator, succinic acid 2,2-dimethylthydrazide (SADH) is registered for use on certain crop plants under the name Alar and for ornamental plants under the name B-Nine. B-Nine is used to reduce stem elongation of chrysanthemums, hydrangeas and bedding petunias, marigolds and zinnias. This chemical is effective in reducing the growth of oleander, but the cost of the required concentration is generally prohibitive for field plantings.
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