VIEW ARTICLE

Temporary Symptom Remission of Strawberry June Yellows and Witches’-Broom by use of Oxytetracycline. Dianne P. Huhtanen, Trainee, National Defense Education Administration, ARS, USDA, Plant Science Research Division, Department of Botany and Plant Pathology, Oregon State University, Corvallis 97331; R. H. Converse, Research Plant Pathologist, ARS, USDA, Plant Science Research Division, Department of Botany and Plant Pathology, Oregon State University, Corvallis 97331. Phytopathology 61:1137-1139. Accepted for publication 30 April 1971. DOI: 10.1094/Phyto-61-1137.

Oxytetracycline applied as a root spray was effective in some cases in causing June yellows-infected strawberry plants to produce significantly greener leaves than untreated plants. When applied to strawberry plants with witches’-broom disease, oxytetracycline caused leaf areas to increase significantly, as compared to untreated, infected plants in some cases. These observations support the hypothesis that mycoplasmalike agents are involved in the etiology of these disorders.