- It is a somatic disorder that occurs in fruits due to calcium deficiency.
- Use FYM in the field before 15 days transplanting.
- Spraying Calcium EDTA @ 150 gm/ acre twice if symptoms of deficiency appear. Or
- Spraying of Metalaxyl 4% + Mancozeb 64% WP 30 gm and Kasugamycin 3% SL 25 ml per 15 liters of water and On the fourth day, sprayed with chelated calcium 15 gm + Boron 15 gm per 15 liters of water.