WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Thursday, July 19, 2018

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Search results on 07/19/18

10. Anon.. 1893. Smut control in wheat and oats.. ID Agr. Expt. Sta. Bull. #4.
2 methods- 1.) soak seeds in copper sulphate solution; 2.) Hot water method (130 F)

6370. Smiley, R.W.. 1990. Seed treatment fungicides for wheat and barley.. Sherman Station Field Day handout, OSU, Moro, OR.
Seed applied fungicides failed to improve yields of winter wheat or were inconsistent from site to site and/or year to year. The most consistent treatment for winter wheat was a combination of Apron and Vitavax 200. This mixture increased wheat yields by 3%. Fall barley yields were either unchanged or reduced, while spring barley showed the best economic response. Thus, an economic response to seed treatment is unlikely in the absence of damaging amounts of smut disease. Since control of smut depends on the combination of fungicide seed treatments and genetic resistance, which has been stable for decades, the use of untreated seed is discouraged to avoid the loss of genetic resistance by cereal cultivars.

9846. Stewart, R. and J. Stephens. 1910. The effect of formalin on the vitality of seed grain.. Utah Agr. Expt. Sta. Bulletin 108, Utah State Univ., Logan, UT.
The use of formalin for the prevention of smut in wheat, oats and barley was found to be effective. However, it was also found that for greatest effectiveness and vitality of seed, some general guidelines must be followed. The best strength of solution to use is one pound of 40% strength formalin to fifty gallons of water. The seeds may be effectively and safely treated in this solution from 10 to 60 minutes. If the treated seed is thoroughly dried, it may be safely stored for at least six weeks after treatment.

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