Heat unit requirement for fruit maturity in mango varieties.
Shinde A. K., Burondkar M. M., Bhingarde R. T., Waghmare G. M., Rangwala A. D., Wagh R. G.
Author Affiliation: Regional Fruit Research Station, Vengurle - 416 516, Maharashtra, India.
Indian Journal of Plant Physiology 6 : 194-196
Abstract : A study was conducted during 1996-99 in two locations in Maharashtra, India (Vengurle and Rameshwar) to determine the heat units required for the fruit maturity of mango cultivars (Alphonso, Kesar and Ratna). The days required for the maturation of Alphonso, Kesar and Ratna fruits at Vengurle were 103.33, 110.33 and 118.00 days, respectively, vs. 80.0, 86.0 and 97.5 days at Rameshwar. Alphonso, Kesar and Ratna fruits matured 23.33, 24.33, 20.50 days earlier at Rameshwar than at Vengurle. The total heat units required for maturation of fruits were more or less equal at both locations and these varied in Alphonso, Kesar and Ratna from 752 to 803, 843 to 898, and 932 to 977 day-degrees, respectively.