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What's happening in the field?

At the Missouri State Fruit Experiment Station

Archives for May 22, 2017

Protecting young grapes with grow tubes

May 22, 2017 by Marilyn Odneal

The grow tubes are installed around each young vine.

The crew was putting grow tubes around the young grapes in Dr. Hwang's vineyard where new hybrids are planted.   … [Read more...] about Protecting young grapes with grow tubes

Filed Under: Grapes

Early downy mildew symptoms on Catawba

May 22, 2017 by Marilyn Odneal

Possible early downy mildew symptoms on Catawba grape

I saw what I think to be early downy mildew symptoms on Catawba. We will have to keep an eye on it. … [Read more...] about Early downy mildew symptoms on Catawba

Filed Under: Grapes

Grape phenology and GDD accumulation

May 22, 2017 by Marilyn Odneal

N Norton E-L Stage 17 - 18 12 leaves separated; inflorescence well developed, single flowers separated to 14 leaves separated; flower caps still in place but cap colour fading from green.

GDD base 50 accumulation since April 1 = 529.   http://agebb.missouri.edu/weather/reports/gddTable.asp Phenology stages according to the Modified E-L system http://door.uwex.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf … [Read more...] about Grape phenology and GDD accumulation

Filed Under: Grapes, Phenology

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  • Grape Phenology and GDD accumulation
  • Grape Phenology and GDD accumulation
  • Grape Phenology and GDD accumulation
  • Grape Phenology and GDD accumulation
  • Grape Phenology and GDD accumulation

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