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American/Western Fruit Grower recently produced a video based on our ongoing research efforts on the apple flea weevil. It provides a nice overview of the life cycle, damage, and our ongoing management research. You can see the video at http://www.growingproduce.com/gptv/?vid=284 Organic folks…..please ignore the fact that it is sponsored by DuPoint Altacor®…. New website aimed at organic producers www.bmsb.opm.msu.edu
Anne Nielsen and Matt Grieshop co-authored a MSU CAT alert on BMSB, which has officially been detected in Michigan. In coordination with other MSU researchers we will be looking at BMSB phenology and management in Michigan tree fruit beginning this spring. Krista Buehrer recently took third place in the graduate student poster competition at the 22nd annual MOSES conference in La Crosse WI. The project involved the use of post harvest flash grazing for managing diseases and weeds in perennial fruit crops. Download a pdf of the poster here. Over the past several years a new serious pest has come to Michigan apple orchards. The apple flea weevil (Orchestes pallicornis) feeds on new leaves and buds on apples in the early spring. Females lay their eggs in leaves and larvae develop in leaf mines. Larval damage resembles phytotoxic response to sulfur. Unfortunately the weevil appears to be an especially bad problem for organic growers and in at least two instances this year has caused 90% or more crop loss! This pest has a mysterious past with previous outbreaks in the early 1980′s and in the 1920′s. In these prior instances pre-bloom sprays appear to have managed it. Little previous literature is available on the biology and management of this pest with the most recent article published in 1951. The OPM lab is beginning to research the weevil and we’ve already collected at least one parasitoid. For a bit more information visit the MSU Fruit CAT alert site. [album: http://www.opm.msu.edu/wp-content/plugins/dm-albums/dm-albums.php?currdir=/wp-content/uploads/dm-albums/Apple Flea Weevil/] Two recently Posted Fruit Crop Advisory Team alerts. One on early season organic codling moth management:ORGANIC EARLY CM One on organic plum curculio management: ORGANIC PC |
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