Take-all and flag smutt, two wheat diseases new to the United States
Humphrey, H.B., Johnson, A.G.
Take-all and flag smutt, two wheat diseases new to the United States - Washington 1919 - 1-8 p. - Smutt, Wheat, Disease United States Department of Agriculture. Farmers Bulletin No. 1063 .
Take-all and flag smutt, two wheat diseases new to the United States - Washington 1919 - 1-8 p. - Smutt, Wheat, Disease United States Department of Agriculture. Farmers Bulletin No. 1063 .