The celery petiole cracking to make up boron

Cracking of the celery petiole is mainly manifested in the cleavage of the base of the stem together with the petiole. There are two reasons for cracking. One is caused by the lack of boron; the other is that under low temperature and drought conditions, the growth is obstructed, or the sudden high temperature and high humidity cause the plants to absorb too much water, causing the tissue to fill water quickly and cause cracking.

Control methods: When holding the ground, use 1 kg of boron per mu, and mix well with the fertilizer as a base fertilizer to prevent cracking due to lack of boron; spray sprockets or boron-containing foliar fertilizer to control celery cleft stalks. Also must be uniform when watering.