Silver leaf disease of fruit trees and its occurrence in South Africa
Putterill, V.A.
Silver leaf disease of fruit trees and its occurrence in South Africa - Pretoria 1923 - 1-19 p. - Leaf, Disease, Fruit, Trees Union of South Africa Department of Agriculture. Science Bulletin No. 27 .
Silver leaf disease of fruit trees and its occurrence in South Africa - Pretoria 1923 - 1-19 p. - Leaf, Disease, Fruit, Trees Union of South Africa Department of Agriculture. Science Bulletin No. 27 .