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  1. Corn Rootworm Management

    https://ohioline.osu.edu/factsheet/ENT-16

    nodes of a root system (fig 4). As root injury becomes severe, lodging occurs (fig. 5) and yields are ... commonly rated on the 0–3 Node Injury Scale, where 1 represents a complete node destroyed, 2 represents two ... nodes destroyed, and 3 is for three nodes destroyed. For ratings less than 1, a rating of 0.1 is for ...

  2. Identifying Vegetative Growth Stages in Corn

    https://ohioline.osu.edu/factsheet/agf-127

    first noticeably elongated internode. (The first node above the first elongated stalk internode is ... generally the fifth leaf node. This internode is about 0.4 inches in length.) Leaf growth stage can then be ...

  3. Corn Growth and Development: Does Tillering Affect Hybrid Performance?

    https://ohioline.osu.edu/factsheet/agf-121

    generally beneficial. What causes tillering? Tillers are lateral branches that form at below ground nodes ... . Although tiller buds form at each below ground node, the number of tillers that develop is determined by ...

  4. Rhizoctonia Damping-off and Root Rot of Soybeans

    https://ohioline.osu.edu/factsheet/plpath-soy-1

    have chocolate-brown lesions that extend from below ground up the stem several nodes.      Figure 3. ...

  5. Crop Estimation of Grapes

    https://ohioline.osu.edu/factsheet/HYG-1434-11

    number will depend on how many nodes (buds) are left after pruning. The number of clusters per vine can ... Pre-bud break A. Count nodes/vines after pruning     Vine 1: Vine 2: Vine 3: II. Shoots at 3-inch stage A. ... Count number of blind nodes     Vine 1: Vine 2: Vine 3: B. Count number of frosted primary buds     Vine ...

  6. Carpenter Ants

    https://ohioline.osu.edu/factsheet/HYG-2063

    including an evenly rounded, arched thorax, when viewed from the side; one node between the thorax and ... characteristics of a carpenter ant: an evenly rounded, arched thorax; one node between the thorax and abdomen; and ... These ants have a single node, but the thorax has a distinct indentation. Be sure that you do not ...

  7. Sclerotinia Stem Rot (White Mold) of Soybean

    https://ohioline.osu.edu/factsheet/plpath-soy-3

    a node where the fungus has colonized dead flowers. Later, contact between healthy and diseased adjacent ...

  8. Giant Hogweed (Heracleum mantegazzianum)

    https://ohioline.osu.edu/factsheet/anr-35

    white hairs that are noticeable at the node and base of the petiole. The stem is mostly green in color ... feet and measure between 2 to 4 inches in diameter.   Figure 6. Prominent white hairs at node and base ...

  9. Pruning Erect Blackberries in the Home Garden

    https://ohioline.osu.edu/factsheet/hyg-1431

    tipped. Node: The thickened portion of a shoot (cane) where the leaf petiole is attached and a bud is ...

  10. Controlling Non-Native Invasive Plants in Ohio Forests: Japanese Stiltgrass

    https://ohioline.osu.edu/factsheet/F-70-11

    overlapping leaf sheaths. Nodes and internodes are hairless. Stems are green, changing to purple and brown ... can be found at the lower nodes. Root systems are shallow and fibrous (Figure 3). This distinguishes ... stiltgrass. Notice the prop roots extending from the nodes. Early Detection and Rapid Response Once Japanese ...

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