By R.C. Payne Growth chamber and greenhouse testing involves growing and evaluating seedlings and plants in a controlled, uniform environment.
This handbook is made up of 23 pages, 7 illustrations and 2 plant seedling care/evaluation tables.
This approach ensures that all seedlings and plants are grown under the same conditions. Therefore, the differences in seedling and plant characteristics recorded for the varieties tested will be valid and have a genetic basis.
This handbook is made up of 23 pages, 7 illustrations and 2 plant seedling care/evaluation tables. 
