Chilli is one of the important spice crop cultivated throughout Nepal and other Asian countries. Green chilli is available in market round the year, but its price is high in winter and summer season due to the low production. The low production in these seasons is mainly due to the flower and fruit drops, which is caused by physiological and hormonal imbalance. Various studies revealed that foliar application of plant growth regulators (PGRs) in chilli is effective to reduce flower and fruit drops. Hence, this experiment was conducted to find out the most suitable PGR, based on its most...