The dominant, upper mainstem part of a cotton plant containing three to four expanding leaves and developing squares; if they are all retained, the number of squares typically is identical to the number of leaves; also called “apex.”
These resources are brought to you by the Cooperative Extension System and your Local Institution
eXtension is an interactive learning environment delivering the best, most researched knowledge from the smartest land-grant university minds across America.
eXtension: more mind reachHave a question? Try asking one of our Experts
Unlike most other resources on the web, we have experts from Universities around the country ready to answer your questions.