Its contact mode of action makes it especially useful where rapid knockdown and shorter exposure periods are desirable

and many other listed pests

such as crabgrass

Corynespora species

Rally 40WSP Fungicide bag (20 oz) cattle safe herbicide Its contact mode of actionRally 40WSP Systemic Fungicide Rally 40WSP Fungicide is a highly systemic, protectant and curative fungicide containing 40% myclobutanil. As a FRAC Group 3 sterol demethylation inhibitor, Rally provides dependable control of powdery mildew, rust, scab, brown rot, black rot, leaf spots and other labeled fungal diseases. Rally 40WSP is labeled for use on numerous fruit, vegetable and field crops as well as residential and commercial landscape