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In contrast to normal weeds, parasitic plants inflict fitness costs by withdrawing water, minerals, and photosynthates from the host. Host-derived material is mainly transferred through straw-like intrusions into the host's vascular tissue. Theoretically, resources are unlimited for parasitic weeds unless the host is killed. Frequent occurrence of host crops in agro-ecosystems results in favourable...
Potato (Solanum tuberosum) is a susceptible host of the root holoparasites Orobanche aegyptiaca and Orobanche ramosa in the Mediterranean region, and suffers severe yield losses due to high levels of field infestations. Sulfonylurea and imidazolinone herbicides are selective acetolactate synthase-inhibiting herbicides that have been found effective for Orobanche control. In greenhouse and field experiments,...
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