1981 Incidence, Natural Spread and Epidemiology of Walnut Blackline Disease Ramos, David, Wilbur Reil.1981.
1980 Tree Training and Management of Close-Planted Orchards: Competition between developing catkins and nuts Ryugo, K., D.E. Ramos. 1980.
1979 Tree Training and Pruning and Management of Close-Planted Orchards: Catkin Development and PFA in "Serr' Orchards Ryugo, K., D.E. Ramos. 1979.
1978 Time of Flower Initiation and Differentiation as Influenced by Defoliation and Summer Pruning Ryugo, Kay, David E. Ramos. 1978.
1977 Time of Flower Initiation and Degree of Fruitfulness in "Chico," A Precocious Walnut Cultivar Ryugo, K., David E. Ramos. 1977.
1975 Effect of Deep Bark Canker on Kernel Quality and Yield Sibbett, G.S., B. Teviotdale, D. Ramos. 1975.