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growing degree days

Small Grain Freeze Damage and Current Growing Degree Days

May 1, 2020Emmalea Garver Ernest

Jarrod O. Miller, Extension Agronomist, jarrod@udel.edu The generally accepted starting date for corn planting in Delaware is April 15th, after which our chances of a freeze are supposed to be low. This was not the case this year, as Newark… Continue Reading →

Agronomic Crops 28:7, abiotic stress, barley, field corn, freeze injury, growing degree days, small grain, wheat

Growing Degree Days Through August 31st

August 2, 2019Gail Hermenau

Jarrod O. Miller, Extension Agronomist, jarrod@udel.edu Unless you planted corn later in June, and some people appear to have made that choice, cornfields across Delaware should be into the reproductive stages. The easiest reproductive stage to decipher is probably R5,… Continue Reading →

Agronomic Crops 27:19, growing degree days

Growing Degree Days Through July 10

July 12, 2019Gail Hermenau

Jarrod O. Miller, Extension Agronomist, jarrod@udel.edu Corn planted in late May should be in tassel or at least at V15 across Delaware. Most corn planted from mid-April to mid-May is probably on the reproductive stages (Table 1), so be sure… Continue Reading →

Agronomic Crops 27:16, growing degree days

Growing Degree Days Through June 26

June 28, 2019Gail Hermenau

Jarrod O. Miller, Extension Agronomist, jarrod@udel.edu Corn planted on April 24th in Georgetown has just hit the V15 stage, and we have observed the tassel folded up in the 17th leaf ready to emerge. Corn planted before April 24th should… Continue Reading →

Agronomic Crops 27:14, field corn, growing degree days, weather

Growing Degree Days Through June 18

June 21, 2019Gail Hermenau

Jarrod O. Miller, Extension Agronomist, jarrod@udel.edu Corn planted on April 24th in Georgetown has just hit the V12 stage, close to the expected GDD of 870 (Table 1). We have observed a few fields of corn tasseling, which would fit… Continue Reading →

Agronomic Crops 27:13, growing degree days

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