Panama disease characterize Panama disease of banana: These symptoms often get confused with the symptoms of bacterial wilt of banana, but ways to differentiate between the two diseases include: Once a banana plant is infected, it continues to grow and any new leaves will be pale in color. Recovery is rare, but if it does occur, any new emerging suckers will already be infected and can propagate disease if planted. "Fusarium oxysporum" f. sp. "cubense" (Foc) is most prominent in banana, but some other relatives are also susceptible to infection. Different races of the disease are used to classify different major hosts
Crop weed of 40–100% and accounts for around $7 billion in losses annually. Around 100 million hectares of land in Sub-Saharan Africa are affected by striga. Barnyard grass has been identified as a culprit in global rice yield losses and certain species have been known to mimic rice. Crop weed Crop weeds are weeds that grow amongst crops. Examples of crop weeds include chickweed, barnyard grass, dandelion, striga and fallopia japonica. Despite the potential for some crop weeds to be used as a food source, many can also prove harmful to crops, both directly and indirectly. Crop weeds can inhibit the growth