WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Tuesday, October 16, 2018

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Search results on 10/16/18

2128. Fritz, M.. 1989 Aug.. Winter wheat resistant to snow mold.. Growers Guide p. A7.
A new hard red winter wheat (Blizzard) is available, which is resistant to snow mold. Seed is available from the Idaho crop improvement association.

10616. Anderson, D.. undated. Mustard, bacteria provide natural control of pea root rot.. Center for Integrated Agricultural Systems newsletter, Univ. Wisconsin, Madison..
Processing peas, a major Wisconsin crop, suffer up to 15% yield loss due to diseases which can remain in the soil for up to 10 years. There is no good control for pea root rot at present. Researchers are testing green manure plowdowns as a possible control, using white mustard. Also, pea seeds are being coated with fungi-fighting bacteria before planting.

10643. Muehlchen, A.M. and J.L. Parke. 1990. Evaluation of crucifer green manures for controlling Aphanomyces root rot of peas.. Plant Disease 74:651-654.
Crucifers have been shown to limit the activity of several soil-borne pathogens, including Rhizoctonia, Thielaviopsis, Fusarium, and Aphanomyces. Researchers think that sulfur compounds released during decomposition are responsible. Aphanomyces reduces pea yields 10%, but also affects beans and alfalfa. In this study, Aphanomyces root rot was lowerd by a white mustard green manure, but pea yields did not improve signficantly until the end of the second year, when pea yields increased 20% over fallow plots.

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