LUCKNOW, April 3 -- Temperature swings during the critical flowering phase have disrupted fruit production in Lucknow's Malihabad, Kakori, and Mal, the epicenter of Dussehri mango cultivation, raising concerns about yields at a time when the region supplies a significant portion of India's premium mangoes.

While recent rainfall has not directly damaged flowers, fluctuating temperatures have prevented normal fruit setting in several orchards, leaving growers anxious about both the quantity and quality of their crop in the coming weeks, according to experts.

"The rain itself hasn't destroyed the mango flowers in Malihabad, Kakori. The bigger issue is the fluctuating weather. In some orchards, fruit setting has taken place, while in others...