An efficient method to separate tetraploid from diploid plants after colchicine treatment of turnips (Brassica campestris var. rapa) G. J. SpeckmannH. DijkstraHilly A. Ten kate OriginalPaper Pages: 313 - 318
A computer program for the layouts of seed orchards J. G. A. La Bastide OriginalPaper Pages: 321 - 323
The breeding systems and some interspecific relations of a number of African Trifolium spp. A. J. PritchardL. t' Mannetje OriginalPaper Pages: 324 - 329
The characteristics of European, Mediterranean and other populations of white clover (Trifolium repens L.) W. EllisNorman R. Young OriginalPaper Pages: 330 - 340
On the use of genetic male sterility in screening for cytoplasmic-genetic sterility in barley J. N. RutgerN. F. Jensen OriginalPaper Pages: 350 - 353
Studies on habit of flowering and its relation to shape of fruit in an inbred line of watermelon, Citrullus vulgaris schrad. I. PoostchiN. Adish OriginalPaper Pages: 361 - 364
The measurement of stem toughness in marrow-stem kale using a simple laboratory penetrometer T. D. Johnston OriginalPaper Pages: 365 - 369
Effect of tester on combining ability estimates of maize germplasm complexes D. SharmaJ. P. TandonJ. N. Batra OriginalPaper Pages: 370 - 376
Evaluation of several selection procedures for predicting yield performance of progenies in two populations of cotton (Gossypium barbadense L.) Mohamed A. Siddig OriginalPaper Pages: 377 - 384
Intraplant instability in smooth bromegrass (Bromus inermis leyss) S. M. JalalE. L. Nielsen OriginalPaper Pages: 385 - 390
Application of diallel analysis to experiments in plant competition J. Norrington-Davies OriginalPaper Pages: 391 - 406
Note on aneuploid chromosome numbers in some triploid sugar beet hybrids OriginalPaper Pages: 407 - 409
Graft-transmissio of male sterility in sugar beet (Beta vulgaris L.) Godfrey J Curtis OriginalPaper Pages: 419 - 424