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SPDN sampling module


14 Images

John D. Byrd
Mississippi State University


John D. Byrd
Mississippi State University

Ligule


John D. Byrd
Mississippi State University


J. Jeffrey Mullahey
University of Florida

Thorny nightshade from Argentina, first appeared in the United States in pastures and rangelands in Glades County, Florida, in 1988. Mottled green fruits that look like small watermelons are a distinguising feature of the plant.


Tom Creswell
Purdue University

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Tom Creswell
Purdue University


Tom Creswell
Purdue University

Insects vials and mailing tube for shipping insects to a diagnostic clinic


Ron Jones
North Carolina State University

Early and advanced symptoms of INSV on Gloxinina; 1-Jan-98


Tom Creswell
Purdue University


Tom Creswell
Purdue University

Dahlia plant with roots wrapped in plastic and tied at main stem to keep soil around roots in shipping


Tom Creswell
Purdue University

Dahlia plant with roots wrapped in plastic and tied at main stem to keep soil around roots. Rest of plant covered with paper and additional plastic bag to prevent excessive drying in shipping.


Tom Creswell
Purdue University

Blue mold of tobacco, lower leaf surface.


Tom Creswell
Purdue University

insect gall


Tom Creswell
Purdue University

Appearance of Ralstonia solanacearum on Tetrazolium medium (TZC).