１　脐橙黄脐裂果的主要症状脐黄裂果属非侵染性生理病害。发生时期从８月上旬开始，９～１０月上旬为高峰期，此后一直持续到收获。首先在果实近先端开裂，接着沿子房缝线纵裂开口，瓤瓣破裂，露出汁胞。也有的横裂或不规则开裂，形似开裂的石榴。裂果如不及时处理，最后脱落 1 navel orange yellow fissure the main symptoms of false fruit is non-invasive physiological disease. The period of occurrence started from the beginning of August and peaked from the beginning of September to October, and continued till the harvest. First in the fruit near the beginning of cracking, and then along the ovarian suture longitudinal split openings, flaps rupture, exposing the juice cells. Some also cracked or irregular cracking, shaped like cracking pomegranate. If the cracked fruit is not processed in time, it will eventually fall off