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Ligule

LIGULE ANATOMY AND MORPHOLOGY OF FIVE POA SPECIES

INTRODUCTION Members of the Poa pratensis group ( P. pratensis L., P. angustifolia L., P. humilis Ehrh. Ex Hoffm.) are very similar morphologically.

Integrated Pest grass - seedlIngs Published by University of ...

Carolina foxtail ligule Photo credits. All photos were provided by the authors. On the World Wide Web. For this and other Integrated Pest Management

Rolled Vernation

Blunt auricles with short hairs; leaf surface shows strong veination ; leaf edges rough; very short, inconspicuous membranous ligule ; base of leaf sheaths may be slightly purple; often grows in clumps in bluegrass lawns……………...

Forage Grass ID Table

Tall growing, sod forming grass; very tolerant of dry soils; Extensive rhizomes Short truncate ligule with no auricles; split sheath Panicle seedhead with large fluffy seed Wide leaf with distinct crimp ("M" marking found on most leaves) Perennial ryegrass Lolium perenne.

Contents* Weed*Guide* (WG)

1-WG Terminology of Grass Leaf Arrangement in Young Parts of a Grass Plant Ligule Types Ligule Margins Fringe of Fringe of Membranous Absent Ciliate Toothed Notched Entire Folded Rolled Auricles Ligule Blade Sheath Node Internode Leaf Sheath Auricle Collar Ligule Culm Leaf Blade Monocot Monocot Monocot Monocot Monocot Weed Seedling ...

Identifying Grasses in Wisconsin Turf (A1827)

Examine the ligule and the collar, and check for auricles, especially on younger shoots. Next, take a young shoot and place it between the halves of the

MF2031 Turfgrass Identification: Professional Series

Kansas State University Agricultural Experiment Station and Cooperative Extension Service Identification PROFESSIONAL O SERIES STOLONIFEROUS RHIZOMATOUS BUNCH-TYPE SEEDHEAD LIGULE SPIKELET BLADE MIDRIB TILLER STOLON AURICLES COLLAR LEAFBUD RHIZOME NODE SHEATH LIGULES MAY BE AURICLES MAY BE ...

Ryegrass, Perennial

Characteristic Description Seedhead / Flower a spike, with flattened spikelets along each stem Vernation Type leaves folded in the bud Ligule Type membranous; collar-like to blunt, may be toothed near top, 0.02 - 0.06 inches (0.5 - 1.5 mm) long Growth Season / Life Cycle cool season turf or perennial weed ...

Common Weed Seedlings of the North Central States - Andrew J ...

Broadleaf Morphology Compound leaf Simple leaf Cotyledon Hypocotyl Petiole Ochrea Leaf midvein Leaves opposite Leaves alternate Grass Morphology Blade Midvein Ligule Auricles Sheath Oblong

The establishment of axial patterning in the maize leaf

lg1 has also been implicated The maize leaf consists of four distinct tissues along its proximodistal axis: sheath, ligule, auricle and blade. liguleless1 ( lg1 ) functions cell autonomously to specify ligule and auricle, and may propagate a signal that correctly positions the blade-sheath boundary.