NAWF curve as an option for varietal earliness estimation in upland cotton

Abstract

Earliness is an important improvement criterion for the breeder. In cotton breeding, the specialist can still avail of a large range of methods to determine varietal earliness. The recent development of cotton plant mapping gives a new alternative using the NAWF survey during the fruiting cycle until cutout or final stage. The objective of this study was to find a useful and easy way to estimate the varietal earliness with a minimum surve