Department of Silviculture, Forest College and Research Institute, Tamil Nadu Agricultural University, Coimbatore-641 301, Tamil Nadu, India
*Corresponding author: Email: prasathforestry@gmail.com
Online published on 16 January, 2018.
Afield experiment was carried out in twenty years old tamarind trees (local) plantation at Paiyur village, Krishnagiri district, Tamil Nadu. Tamarind trees (20 trees) were subjected to different treatments of chemicals and growth regulators and a control was also maintained. The treatments were, T1 [ZnSO4 (0.5%) + Boric acid (0.3%)], T2 [Planofix (Naphthalene acetic acid 150 ppm)], T3 (Paclobutrazol) and T4 (Ethephon) for enhancing flowering and fruiting. Maximum tamarind fruit yield (78 kg/tree) was recorded in T3 (Paclobutrazol) followed by T2 (Planofix, 43 kg/tree) and minimum fruit yield (22 kg/tree) was recorded in Control (no application of growth regulators and chemicals). The results indicated that the foliar application of Paclobutrazol significantly increased the nutrient status and fruit yield in tamarind. Hence, the application of Paclobutrazol may help in the increased fruit production in tamarind plantations of North-eastern zone of Tamil Nadu
Seed raised tamarind plantation, growth regulators, chemicals, fruit yield
