Antifungal activity of five solanaceous glycoalkaloids and their mixtures against phytopathogenic fungi Cercosporella brassicae and Alternaria porri,赵雪淞,高聆,The antifungal activity of five solanaceae glycoalkaloids solanine, chaconine, solasonine, solamargine and tomatine against phytopathogenic fungi Cercosporella brassicae and Altern