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Distinguishing Johnsongrass and Young Summer Grass Weeds
Distinguishing Johnsongrass and Young Summer Grass Weeds
Publication Number: 8570
Copyright Date: 2017
Length: 12
Language: English
ISBN-13: 978-1-60107-979-4
Author: A. R. CESESKI, K. A. AL-KHATIB
Inventory Type: PDF File
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Johnsongrass (Sorghum halepense) a summer perennial grass, is one of the world’s most noxious and economically important weeds. It is especially troublesome in orchards, vineyards, annual cropping systems, ditches, canals, and roadsides. It reproduces via seed and creeping underground stems (rhizomes) and can spread rapidly over time.

One of the most difficult tasks associated with the management of weedy grasses is accurately identifying the species of an immature plant. Since many grasses look similar when very young, identification to species is key to correctly implementing a weed management program, especially one using herbicides This guide aids in identifying and distinguishing johnsongrass and other grass species that appear similar when immature, using distribution maps of United States counties where each species has been reported, photographs, and diagnostic characteristics for each species.

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