通过定点接种、整体透明及石蜡切片测定,接种后24小时,柑桔炭疽病菌可在温州蜜柑幼嫩叶(叶龄为14天)面上大量萌发并产生附着胞。4天后附着胞可进一步形成细长的侵入丝,直接穿透叶片角质层或者经叶背气孔侵入,然后在叶片上表皮或下表皮细胞内形成潜伏、休眠状态的菌丝,直至叶片受伤,这种菌丝才可进一步生长,扩展至叶肉细胞并形成典型的急性炭疽病分生孢子盘。 Through site-specific inoculation, total opacity and paraffin section determination, 24 hours after inoculation, the citrus anthracnose could germinate and produce adherent cells on young leaves (14 days old) of Satsuma. After 4 days, the attached cells can further form elongated invaded filaments that penetrate directly into the stratum corneum of the leaf or penetrate through the leaf stomatal pores, and then form latent dormant hypha in the epidermis or lower epidermal cells of the leaf until the leaf is injured The mycelium grows further, expanding into mesophyll cells and forming the typical acute anthrax conidia disk.