Plant growth regulation using certain substituted 2,3-dihydro-1,

Chemistry: fertilizers – Processes and products – Forms or conditioning

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A01N 500

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active

040437922

ABSTRACT:
Substituted 2,3-dihydro-1,4-oxathiins of the formula ##STR1## display useful plant growth regulant effects including herbicidal effects. Examples are 2,3-dihydro-5,6-diphenyl-1,4-oxathiin, and 2,3-dihydro-5-(4-methylphenyl)-6-phenyl-1,4-oxathiin 4-oxide. The compounds are useful for the selective control of grasses and as dwarfing agents, as well as for inhibition of vegetative and reproductive axillary growth, and for increasing the sugar content of sugar producing species. A number of these are new compounds.

REFERENCES:
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patent: 3454391 (1969-07-01), Von Schmeling et al.
patent: 3920438 (1975-11-01), Brewer et al.
Marshall et al., "The Interaction of Aldehydes etc.," (1959) J. Chem. Soc., pp. 2360-2363 (1959).

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