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Journal Article

Antiozonants To Protect Plants from Ozone Damage

Saul Rich and Gordon S. Taylor
New Series, Vol. 132, No. 3420 (Jul. 15, 1960), pp. 150-151
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Page Count: 2

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Topics: Ozone, Tumors, Plants, Enzymes, Blood plasma, Dehydrogenases, Ehrlich tumor carcinoma, Nuclear power, Zinc, Weather
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Manganous 1,2-naphthoquinone-2-oxime protected tomato foliage in the field from damage apparently caused by excessive atmospheric ozone. The compound proved to be a very effective antiozonant. The similar cobaltous and manganous chelates of 8-quinolinol were also effective antiozonants. The materials were applied to cloth of the type used to make field tents for shade-grown tobacco. Tomato plants covered with cloth treated with cobaltous 8-quinolinolate were protected against otherwise damaging concentrations of ozone. These materials and methods may afford a useful way to reduce weather fleck of tobacco and other plant injuries caused by excessive atmospheric ozone.

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