Part 1

NAYAR, S.K., AGARWAL, R.K. and NAGARAJAN, S. Sensitivity of leaf rust resistance genes to temperature in wheat. 1-4

SEBESTA, J., HARDER, D.E. and ZWATZ, B. Avirulence/virulence combinations of oat stem rust in central, central west and central east Europe and their comparison with North American equivalents. 5-9

KOSNER, J. and BARTOS, P. Monosomic analysis of resistance to stem rust race 11 in the spring wheat cultivar Sylva. 10-12

JOHNSON, R., STUBBS, R.W., KIRMANI, M.A.S., RIZVI, S.S.A. and STATLER, G.D. Discussion of a method resulting in erroneous postulation of the gene Yr8 for resistance to Puccinia striiformis in Pakistani wheat cultivars. 13-19

WALTHER, U. Inheritance of resistance to Puccinia hordei Otth. in the spring barley variety Trumpf. 20-26

NIKS, R.E. Is tall oatgrass an accessory host of the brown rust fungus (Puccinia recondita) of rye. 27-31

SINGH, H. and RAO, M.V. Probable leaf rust resistance genes and field reactions of back cross lines of two Indian wheat cultivars. 32-42

Part 2

JOHNSON, R. Editorial and Secretary's Report on Change of Editor. 43

HELFER, S. Development of cereal rusts on host and non-host plants. 44-52

NAGARAJAN, S., NAYAR, S.K., BAHADUR, P. and BHARDWAJ, S.C. Evaluation of some Indian wheats for Yr, Lr and Sr genes. by matching technique, and the genetic uniformity observed. 53-64

MUTKEKAR, M.L., SHINDE, V.K. and PATIL, J.V. Prevalence and distribution of physiologic races of leaf rust (Puccinia recondita Rob. ex. Desm,) in peninsular India during 1982-83 and 1983-84. 68-68

MUTKEKAR, M.L., SHINDE, V.K., PATIL, J.V. and PATIL, J.V. Prevalence and distribution of physiologic races of wheat rusts in peninsular India during 1984-86. 69-71

STOYANOV, I. Brown rust on wheat in North Bulgaria for the period 1979-1985. 72-78

BARTOS, P., JOHNSON, R. and STUBBS, R.W. Postulated genes for resistance to yellow rust in Czechoslovakian wheat cultivars. 79-84