THE TOLERANCE OF YOUNG APPLE TREES TO AMITROLE, DIURON AND SIMAZINE | Zendy

W. J. Saidak | Zendy; W. M. Rutherford | Zendy

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THE TOLERANCE OF YOUNG APPLE TREES TO AMITROLE, DIURON AND SIMAZINE

Author(s) -

W. J. Saidak,

W. M. Rutherford

Publication year - 1963

Publication title -

canadian journal of plant science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.338

H-Index - 59

eISSN - 1918-1833

pISSN - 0008-4220

DOI - 10.4141/cjps63-021

Subject(s) - simazine , acre , chlorosis , agronomy , growing season , weed , biology , horticulture , environmental science , toxicology , pesticide , atrazine

The growth of young apple trees was reduced by application of 24 pounds per acre of either simazine or diuron in a 2-year period. Application of 30 pounds per acre amitrole in the same period had no effect on tree growth, although some slight leaf chlorosis was observed. Adequate weed control for the growing season was obtained with a spring application of amitrole 5 pounds per acre and diuron or simazine 4 pounds per acre. Annual application rates of diuron or simazine should not exceed 6 pounds per acre, in order to avoid injury to young trees.

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