potatoes or other Solaneceaous crops can be planted for five years. On other fields on the same farm, no seed potatoes can be grown for one year after…
species. Fusarium is widespread and can infect a range of host crops. Many species are considered weak pathogens and can only infect wounded or…
a few days. Under circumstances unfavourable for germination, the spores can survive a few days on the plant surface and still germinate when the RH…
moving from the roots of infected plants to neighbouring plants. The bacteria can also be transported by irrigation water. Disease incidence is…
cells around the fusion site die. To complicate matters further, subgroups can be distinguished within AG’s. The different AG’s are more or less…
present on the plant, at high relative humidity (RH) and on wounds. Leaves can be infected directly, through wounds, hydathodes (the end of leaf…
seedlings General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or…
plant, the pathogens produce haustoria, small organs with which the pathogen can take up nutrients from the living plant cells. The pathogens continue…
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