Diseases of economic plants (1921) Diseases of economic plants diseasesofeconom01stev Year: 1921 Vegetable and Field Crops 155 It is reported upon many species of true beans (Phaseolus) and upon related genera as Vigna, Falcata, Strophostyles. Where the disease proves destructive, the use of resistant '?' Fig. 82. ââ Bean rust upon leaf and pods; note the numerous sori upon both surfaces. After Beach. varieties, clean culture, and the destruction of all wintering forms, is advisable. Blight (Pseudomonas phaseoli EFS.). â Beans of va- rious kinds are subject to a blight which manifests it
Diseases of economic plants (1921) Diseases of economic plants diseasesofeconom01stev Year: 1921 Vegetable and Field Crops 155 It is reported upon many species of true beans (Phaseolus) and upon related genera as Vigna, Falcata, Strophostyles. Where the disease proves destructive, the use of resistant '?' Fig. 82. ââ Bean rust upon leaf and pods; note the numerous sori upon both surfaces. After Beach. varieties, clean culture, and the destruction of all wintering forms, is advisable. Blight (Pseudomonas phaseoli EFS.). â Beans of va- rious kinds are subject to a blight which manifests itself upon the pod, leaf, or stem. It has been reported from various states, from Canada, is widely distributed, and
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