Hoe and weed three times. Give stakes so the vines reach the pandal (2 m). The source also lists Ethrel 100 ppm (1 ml in 10 litres of water) sprayed four times at weekly intervals from the 15th day after sowing.
Follow the instructions on the product label. Consult your local Agriculture Officer before use.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Bitter gourd – After cultivation, p. 93
