Possibilities of incompletely sib-incompatible inbred lines in breeding hybrid varieties of cole crops (Brassica oleracea L.) M. Nieuwhof OriginalPaper Pages: 3 - 10
Crosses between Beta intermedia bunge and B. vulgaris L. G. CleijT. S. M. de BockB. Lekkerkerker OriginalPaper Pages: 11 - 20
Breeding for earliness in spinach (Spinacia oleracea L.) as based on environmental and genetic factors J. E. Parlevliet OriginalPaper Pages: 21 - 27
Embryo culture of brussels sprouts for breeding J. C. WilmarM. Hellendoorn OriginalPaper Pages: 28 - 37
Third supplementary list of wheat varieties classified according to their genotype for hybrid necrosis A. C. Zeven OriginalPaper Pages: 46 - 53
The problem of utilizing heterosis of wheat (Triticum aestivum) E. D. Nettevich OriginalPaper Pages: 54 - 62
Studies on a diallel cross and double-cross hybrids among various Brassica oleracea types T. D. Johnston OriginalPaper Pages: 63 - 73
Natural cross-pollination and the identification of hybrids between botanical varieties of Brassica oleracea L. L. E. Watts OriginalPaper Pages: 74 - 80
Selecting and breeding coconut palms (Cocos nucifera L.) resistant to lethal yellowing disease. A review of recent work in Jamaica R. A. Whitehead OriginalPaper Pages: 81 - 101
Ryegrass hybridisation: The effect of artificial isolation materials on seed yield and floral environment C. A. Foster OriginalPaper Pages: 102 - 109
The inheritance of winter hardiness in Pisum II. Description and release of advance generation breeding lines D. MarkarianR. R. HarwoodPh. R. Rowe OriginalPaper Pages: 110 - 113
The variability of certain bean characteristics of cacao (Theobroma cacao L.) G. EnrĂquezJ. V. Soria OriginalPaper Pages: 114 - 120
Techniques for collecting, handling germinating, and storing of pollen of the filbert (Corylus spp.) Q. B. Zielinski OriginalPaper Pages: 121 - 125