Regional Wheat Workshop for Eastern, Central and Southern Africa, 7

acid soils agronomy appropriate technology barley barley yellow dwarf virus central africa chemical control cropping systems disease control dry matter content farmers farming systems food production fusarium genotypes germplasm grain growth helminthosporium herbicides innovation adoption insecticides irrigation pathology pests of plants plant breeding quality rusts seed production seed testing soil chemicophysical properties southern africa sowing date stems tillage triticum aestivum triticum durum varieties vertisols waterlogging weed control wheats yields zero tillage