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- Author:
- Roberts, John W. (John William) , 1882-
- Subject:
- Apple scab , Apples Diseases and pests , apples , orchards , fruit trees , plant diseases and disorders , fungal diseases of plants , scab diseases , fungicides , spraying , dusting , spraying equipment , leaf spotting , frogeye leaf spot , leaf blotch , varietal resistance , cultural control , sulfur
- Physical description:
- 12 p. : ill. ; 23 cm.
- Additional Author(s):
- Roberts, John W. (John William) , 1882-
- Collection:
- Organic Roots Collection
- Series:
- Farmers' bulletin
- Author:
- Quaintance, A. L. (Altus Lacy) , 1870-1958 , Scott, W. M. (William Moore) , 1873-
- Subject:
- life cycle (organisms) , disease and pest management , insect pests , arthropod pests , scale insects , larvae , fungal diseases of plants , spraying equipment , arsenicals , life history , rust diseases , leaf spotting , sooty molds , orchards , cultural control , vector control , frogeye leaf spot , Apples Diseases and pests
- Physical description:
- 48 p. : ill. ; 23 cm.
- Additional Author(s):
- Quaintance, A. L. (Altus Lacy) , 1870-1958Scott, W. M. (William Moore) , 1873-
- Collection:
- Organic Roots Collection
- Series:
- Farmers' bulletin
