Effective Timing of Cotton DefoliationVideo: Effective Timing of Cotton Defoliation
Defoliation is the shedding of cotton leaves that naturally occurs when leaves become physiologically mature. In this video, PhytoGen Cotton Development Specialist Shawn Butler, Ph.D., goes through the methods to determine when to break the cotton bolls open and see if they are ready for the picker. Nodes above cracked boll (NACB) and sharp-knife technique are two methods for determining harvestability.