The Phytophthora sojae avirulence gene Avr3a encodes an effector that is capable of triggering immunity on soybean plants carrying the resistance gene Rps3a. P. sojae strains that express Avr3a are avirulent to Rps3a plants. while strains that do not are virulent. https://danddcollectiblers.shop/product-category/dog-charms/