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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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Double Crop Soybean Recommendations
https://agcrops.osu.edu/newsletter/corn-newsletter/2020-20/double-crop-soybean-recommendations
vegetatively as long as possible to produce nodes where pods can form before vegetative growth is slowed due to ...
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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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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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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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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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Wheat Management by Growth Stage
https://agcrops.osu.edu/newsletter/corn-newsletter/2015-08/wheat-management-growth-stage
Stage 6 (first node visible). This growth stage can be identified by examining the large tillers in the ... fields for the presence of the first node. Pull multiple large tillers, strip down the lower leaves and ... leaf sheaths on the stem, and check for the presence of the first node at the base of the stem. If this ...
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What is the Meaning of Feekes Growth Stages in Wheat?
https://agcrops.osu.edu/newsletter/corn-newsletter/what-meaning-feekes-growth-stages-wheat
point is still below the soil surface. Feekes 6.0: first node visible. On reproductive tillers a visible ... knot, bump, or swollen tissue called the node is noticeable above the soil surface. The growing point, ... which includes the developing head or spike on reproductive tillers is above this node. Tiller ...
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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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Wheat Growth Stage: Scout for Foliar Diseases
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-13/wheat-growth-stage-scout-foliar-diseases
Current wheat growth stage range from Feekes 7 to Feekes 10. At Feekes 7, two nodes are visible, ... addition to the two nodes seen at Feekes 7, the tip of the flag leaf, the fourth leaf above the first node ...