Influence of Phosphorus on Annual Bluegrass Encroachment in a Creeping Bentgrass Putting Green
Report, Handout, and Presentation Slides from the Philippine Turfgrass Forum

Something you don't see everyday: interveinal chlorosis on grass leaves

interveinal chlorosis caused by micronutrient deficiency

Nutrient deficiencies of turfgrass are rare. Macronutrients are usually supplied as fertilizer in amounts that prevent deficiencies, and micronutrients are required in such small amounts that the grass can usually obtain all that are required from the soil, from micronutrients contained in the irrigation water, and from trace amounts contained in various products.

These photos show textbook symptoms of interveinal chlorosis, probably caused by iron deficiency. The leaves have turned yellow, but the veins remain green. This is tropical carpetgrass (Axonopus compressus) grown in sand. The symptoms are especially evident on this grass because of the broad leaves. Click the photos to see a full-screen image.

interveinal chlorosis of Axonopus compressus

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