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March
27, 2001
Dry
Bean Anthracnose Clarification
Dr. Art Lamey, NDSU Extension Plant Pathologist
Dr. Duane Berglund,
NDSU Extension Agronomist
The Statement that was previously reported in
the Northharvest Bean Grower magazine (March-April 2001) on Bean
anthracnose needs clarification, according to Art Lamey, Extension
Plant Pathologist and Duane Berglund, NDSU Extension Agronomist. The
article stated that Michigan grown dry bean seed be avoided. Recent
information indicates that Michigan has a zero tolerance for
bean anthracnose and the law in place is strictly enforced by
the Michigan Department of Agriculture based on both a field
inspection and a seed grow-out test for anthracnose on all susceptible
cultivars. With this strict enforcement in Michigan, bean
seed found to be infected with anthracnose cannot be certified
and soild as seed. Therefore it should be safe to purchase
and plant Michigan bean seed if it is certified and has passed
all field inspections and lab
tests accordning to Lamey and Berglund.
The majority of the Michigan dry bean seed sold into the Northharvest Bean growing
region
is of certified class and therefore should be anthracnose free. Dark Red
Kidney and Light Red Kidney beans are the primary class of seed from Michigan
sold into the
Northharvest area. The seed production region or Kidney's in Michigan is
fairly isolated in the northern regions of the state and well away from commercial
bean growing
areas of Southern Michigan which are reported to have anthrancose.
Lamey and Berglund indicated all Dark Red Kidney bean varieties produced in Michigan
should be free of anthracnose since the varieties possess one or two effective
resistance genes and all dark red kidney seed is tested by Michigan Department
of Agriculture to verify that the certified seed is free from anthracnose prior
to sale. |
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