The role of host resistance in the evolution of plant pathogens

Crill, J.P.  

1

Abstract

Powdery mildew resistance in selections from Moroccan barley landraces

Czembor, J.H.Czembor, H.J.  

21

Abstract

Plant nematodes in South Africa. 3. Douglas area, Northern Cape Province

Marais, M.Swart, A. 

33

Abstract

Spiders in macadamia orchards in the Mpumalanga Lowveld of South Africa : species diversity and abundance (Arachnida : Araneae)

Dippenaar-Schoeman, A.S.Van den Berg, M.A.Van den Berg, A.M.Van den Berg, A.  

39

Abstract

Salticid spiders in macadamia orchards in the Mpumalanga Lowveld of South Africa (Arachnida : Araneae)

Dippenaar-Schoeman, A.S.Van den Berg, M.A.Van den Berg, A.M.  

47

Abstract

Pest status of two blackfly species on citrus in South Africa and Swaziland

Van den Berg, M.A.Greenland, J.  

53

Abstract