Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 290 DISEASES OF ECONOMIC PLANTS that the whole potato may give way in a few days after infection. Other tubers, if they have broken surfaces or wounds and lie in contact with affected ones, will also be infected. The rotten roots are therefore often found in Fig. 126. — Sweet potato soft rot. Original. groups through the pile. This rot is sometimes found in the field, but is not usually destructive until after digging. Normally it cannot enter a sound potato; a wound must furnish it a passagew
Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 290 DISEASES OF ECONOMIC PLANTS that the whole potato may give way in a few days after infection. Other tubers, if they have broken surfaces or wounds and lie in contact with affected ones, will also be infected. The rotten roots are therefore often found in Fig. 126. — Sweet potato soft rot. Original. groups through the pile. This rot is sometimes found in the field, but is not usually destructive until after digging. Normally it cannot enter a sound potato; a wound must furnish it a passageway. Therefore all wounded roots should be laid aside for immediate consumption, and only sound roots put in storage.
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