01239cam a22002891 4500 agr35000603 DLC 20260227110954.0 880521m19351938at af b f000 0 eng c agr35000603 (OCoLC)17985740 U.S. Dept. of Agr. Library CU CU DLC premarc SB741.R75 H8 632.4411 Hynes, Harold John, 1900- Studies on Helminthosporium root-rot of wheat and other cereals ... [by] H.J. Hynes ... Sydney, A.J. Kent, government printer [etc.] 1935-38. 4 pts. in 2 v. illus., IV pl. on 2 l., diagrs. 25 cm. New South Wales. Dept. of Agriculture. Science bulletin, no. 47, 61 "Literature references": pt. 1, p. 17-18; pt. 2, p. 38; pt. 4, p. 65-66. pt. 1. Economic importance, symptoms, and causal organisms.--pt. 2. Physiologic specialisation in Helminthosporium Spp.--pt. 3. Factors influencing infection.--pt. 4. The control problem. Helminthosporium. Root rots. Grain Diseases and pests. New South Wales. Department of Agriculture. Science bulletin, no. 47, 61. 9688 9688