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[gdlr_title align=”left” style=”divider” title=”AOSA/SCST Purity” ][/gdlr_title]

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Nishit Patel CSA-P&G
Pennsylvania Department of Agriculture
Seed Laboratory
2301 N. Cameron St.
Harrisburg, PA 17110
Phone: (717) 772-5534
FAX: (717) 705-0816
nishpatel@pa.gov
Deborah Meyer RST CSA-P&G
California Department of Food & Agriculture
Plant Pest Diagnostics Center – Seed Science Lab
3294 Meadowview Rd
Sacramento, CA 95832
Phone: (916) 262-1137
FAX: (916) 262-1137
dmeyerseeds@gmail.com

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[gdlr_tab title=”Detectable Endosperm in Grass Seed Units Survey Results”]

Detectable Endosperm in Grass Seed Units Survey - Results

Download the PDF

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Identification Guides

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[gdlr_tab title=”Convolvulaceae: Convolvulaceae species”]
Convolvulaceae - 2020
Download Guide
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[gdlr_tab title=”Asteraceae: Thistle and Knapweeds”]
Thistle and Knapweed Identification Guide
Download Guide
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[gdlr_tab title=”Poaceae: Poa spp., Sorghums, Wheatgrasses & Wildrye”]
Poa spp - by A. Musil 1961
Download Guide

sorghum identification
Download Guide

Wheatgrasses & wildryes 2021
Download Guide

wheatgrass on exam 2021 - posting version
Download Guide
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[gdlr_tab title=”Fabaceae: Vicia, Trifolium, Other small fabaceae species, Large legumes”]
Vicia by A. Musil 1961
Download Guide

Fabaceae - Trifolium Species in the AOSA Rules
Download Guide


Fabaceae - Seed & Fruit Descriptions of Acmispon, Kummerowia, Lespedeza, Lotus, Medicago, & Melilotus
Download Guide

Fabaceae - large seeded legumes 2021
Download Guide
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[gdlr_heading tag=”h3″ size=”14px” color=”#68ad91″ font_weight=”bold”]*The rest of this website is still under construction.[/gdlr_heading]

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