Effect of temperature and relative humidity on the powdery mildew of roses
Longree, Karla
Effect of temperature and relative humidity on the powdery mildew of roses - Ithaca 1939 - 1-41 p. - Cornell Agricultural Experime .
Effect of temperature and relative humidity on the powdery mildew of roses - Ithaca 1939 - 1-41 p. - Cornell Agricultural Experime .