The celery petiole cracking to make up boron

Cracking of the celery petiole mainly manifests in the cracking of the base of the stalk along with the petiole. There are two reasons for cracking. One is the deficiency of boron, and the second is the growth retardation caused by low temperature and drought conditions, or sudden high temperature and high humidity, excessive water absorption of the plants, resulting in rapid water filling of the tissues and cracking.

Control methods 1. When holding the ground, use 1 kg/mu boron, and mix well with the fertilizer as a base fertilizer to prevent cracking due to boron deficiency. 2. It can be used to spray siro boron or boron-containing foliar fertilizer to control celery cleft stalk, and it must be uniform when watering.

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