negative regulation of arbuscule formation for nutrient acquisition from host
negative regulation of development of symbiont in host
negative regulation of formation by symbiont of haustorium for nutrient acquisition from host
Any process that stops, prevents, or reduces the frequency, rate or extent of symbiont haustorium formation for nutrient acquisition from host. The host is defined as the larger of the organisms involved in a symbiotic interaction.
positive regulation of formation by symbiont of haustorium for nutrient acquisition from host
regulation of formation by symbiont of haustorium for nutrient acquisition from host +