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Frogeye Leaf Spot- Is It Worth Spraying in 2019?
https://agcrops.osu.edu/newsletter/corn-newsletter/2019-27/frogeye-leaf-spot-it-worth-spraying-2019
R5, the leaf at the terminal is fully developed and the pods at any one of the top four nodes is fully ... that are in the R3 growth stage, pods are tiny, 3/16 of an inch at one of the four uppermost nodes of ...
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Nitrogen Rate Recommendations for Wheat 2020
https://agcrops.osu.edu/newsletter/corn-newsletter/2020-07/nitrogen-rate-recommendations-wheat-2020
fit. Keep in mind that research has shown N can be applied up to Feekes GS 6 (one visible node) without ...
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Identifying Feekes Growth Stage 6: Jointing
first node anywhere between 1 and 2 inches above the base of the stem. This node is usually seen as ... first node (and only that node) is seen at the base of the stem, then your wheat is at Feekes growth ...
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Staging corn development in 2019
https://agcrops.osu.edu/newsletter/corn-newsletter/2019-22/staging-corn-development-2019
internode is usually ½ to ¾ inch long. Carefully identify the leaf whose leaf sheath attaches to this node ... . The fifth leaf is usually attached to the node above this elongated internode. Continue counting the ...
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Recommendations for Late Planted Soybeans
https://agcrops.osu.edu/newsletter/corn-newsletter/2019-12/recommendations-late-planted-soybeans
possible to produce nodes where pods can form before vegetative growth is slowed due to flowering and pod ...
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Good Time to Dig Roots and Inspect for Rootworm Damage
least 5 plants in 10 different locations in your field. To determine the level of injury, use the Node ... Injury Scale—this scale ranges from 1 to 3, were 0.5 is half of a node of roots damaged, 1 is a full node ... of roots damaged, 2 is 2 full nodes damage, etc. For more help in rating roots, see this handout from ...
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Ear Disorders Appearing in Corn Fields
https://agcrops.osu.edu/newsletter/corn-newsletter/2017-34/ear-disorders-appearing-corn-fields
agronomists at the University of Nebraska in 2016 – dumbbell shaped ears, multiple ears per node and short ... (https://cropwatch.unl.edu/2016/corn-ear-formation-issues-likely-correlated-loss-primary-ear-node). For more on ear development problems and others ear abnormalities, check the following: ...
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Unusual Ears Appearing in Corn Fields
https://agcrops.osu.edu/newsletter/corn-newsletter/2019-29/unusual-ears-appearing-corn-fields
ear node followed by development of a secondary malformed ear. For more on ear development problems ...
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Large Crabgrass
https://ohiograpeweb.cfaes.ohio-state.edu/ipm/weeds/large-crabgrass
growth habit with stems that root at the nodes. It has dense hairy leaf and sheath and relatively large ... Additionally, large crabgrass roots at the stem nodes while smooth crabgrass does not. Root system Large ... roots at the nodes. Leaves Blades 1 1/4 to 8 inches long, 3-10 mm wide, with hairs on both surfaces. ...
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Late Season Foliar Diseases Have Started in Soybeans
the plants will die early in patches. For Northern, there is a canker at the third node which girdles ...