The breeding of hybrid varieties and the production of hybrid seed in spinach J. Sneep OriginalPaper Pages: 119 - 122
Some notes on the relations between field resistance to Phytophthora infestans in leaves and tubers and ripening time in Solanum tuberosum subsp. Tuberosum H. J. Toxopeus OriginalPaper Pages: 123 - 130
Some observations on the floral biology of the carrot (Daucus carota L.) J. P. BraakY. O. Kho OriginalPaper Pages: 131 - 139
Empirical estimation of thermoreaction curves for the rate of development J. H. A. Ferguson OriginalPaper Pages: 140 - 146
Studies on the breeding of self-pollinating cereals R. N. H. WhitehouseJ. B. ThompsonM. A. M. Do Valle Ribeiro OriginalPaper Pages: 147 - 169
On bacterial wilt of alfalfa (Medicago sativa L.) caused by Corynebacterium insidiosum (McCull.) Jensen, in Italy M. RibaldiA. Panella OriginalPaper Pages: 179 - 182
