Classes of seed , Tags and Genetic purity (%) #Seed Technology

Classes of seed , Tags and Genetic purity (%) Nucleus seed— No color —100 Breeder seed— Golden yellow —99.99 Foundation seed— White— 99.99 Certified seed— Azure blue— 98 Truthful label seed— Opel green Some important terms Harrowing: Stirring or scraping the surface soil in inter and intra row spacing of the crop using tools or implements. Roguing: Removal of plants of a variety admixed with other variety of same crop. Topping: Removal of terminal buds. It is done to stimulate auxiliary growth.Practiced in cotton and tobacco. Propping: Provision of support to the crop is called propping. Practiced in sugarcane Commonly. It is done to prevent lodging of the crop. Cane stalks from adjacent rows are brought together and tied with their own trash and old leaves. De-trashing: Removing of older leaves from the sugarcane crop. De-suckering Removal of auxiliary buds and branches which are considered non-essential for crop production and which remo...