江西板栗炭疽病菌 (Colletotrichumgloeosporioides (Penz)Sacc .)于初花末期开始侵染雌花柱头 ,侵染高峰在盛花初期。病菌经柱头侵入后 ,首先定殖于花柱 ,然后在花柱中潜伏或进一步蔓延至子房。病菌具有潜伏侵染现象 ,已展开叶片、托叶、枝梢皮层、花器 (雄花序、雄蕊、花柱 )、幼果、幼嫩总苞的针刺及坚果 (果皮和涩皮 )普遍潜伏带菌 ,以上结果系首次报道 Colletotrichum gloeosporioides (Penz) Sacc. Began to invade the female stigma at the end of early flowering stage, and the peak of infection was at the early flowering stage. After invaded by the stigma, the bacteria first colonize the style and then lurk in the style or spread further to the ovary. The germs have the latent infection phenomenon, and acupuncture and nuts (pericarp and astringent skin) of leaves, stipules, branches and cortex, floral organs (male inflorescences, stamens, style) The above results for the first time reported