Daines received his bachelor"s degree from Utah State University and his master"s degree and Doctor of Philosophy from Rutgers University. After getting his Doctor of Philosophy in 1934 he joined the Rutgers University faculty.
Daines was involved in the development of Captan and Phaltan, fungicides used to protect apple crops. He also was involved in developing Mertect. He was later involved in work to protect peach crops.
He was a leader in observing the detrimental effects of industrial pollutants on plants.
He served as secretary of the New Jersey Air Pollution Commission that adopted the first state air pollution control law. Daines made advances in the control of diseases in sweet potato crops.
He wrote multiple books on home storage and plant disease. After leaving Rutgers at age 70, Daines moved to Utah where he actively did research as an emeritus professor at Brigham Young University.
Among the Daines" children was Daines III, was a prominent professor of business.