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Germination rates reduced by latex, thiram, and endrin on eastern white pine seeds, suggesting minimal impact.
To test the effect of latex, thiram, and endrin on germination of eastern white pine seed, the chemicals were applied at increasing concentrations and greenhouse germination tests conducted. After 4 weeks total germination was reduced 3.0 to 4.0 percent by latex, 1.7 percent for each pound of Thiram-75W, and 1.0 percent for each pound of Endrin-50W applied per hundredweight of seed. The endrin and thiram effects were linear and independent. Reduction in germination using recommended chemical concentrations will probably not affect field success significantly under current seeding practices.
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Demeritt et al. (1970) studied this question.
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