Sex Expression in Cucumber and Squash

ethephon (Florel)

Oregon and Idaho only

Rate 1 quart/A

Time Apply within 4 hr of mixing, or activity will be reduced.

Remarks For uniform plantings, spray once when two true leaves have developed. Spray nonuniform plantings twice: when first true leaf is the size of a quarter and again when third true leaf is expanding. Plant male or pollen rows ahead of seed parent; treatment often causes flowering 7 to 10 days earlier. Growth may be inhibited temporarily because of shortened internodes.

Site of action Unknown

Chemical family Ethylene generator