南非烤烟种植在四个区域,从较快生长的多雨地区到成熟晚的高热和少雨地区。所有烤烟种植区都可进行灌溉。生长较快地区的主要病害是黑胫病、烟草青枯病、alternaria、马铃薯Y病毒,而根结线虫病和角斑病是较慢成熟地区的主要病害。培育品种的目标是高耐黑胫病和青枯病,混抗根结 South Africa flue-cured tobacco is planted in four areas, from the faster-growing rainy areas to the later and hotter and drier areas. All flue-cured tobacco growing areas can be irrigated. The main diseases in rapidly growing areas are black shank, tobacco bacterial wilt, alternaria, and potato virus Y, while the root knot nematodes and angular leaf spot are the major diseases in the slower-ripening areas. The goal of breeding varieties is high black shank and bacterial wilt, mixed with root knot