Vol. 10, Issue 11 (2021)

Author(s):
Lalithambigai K, Balasubramanian A, Ramah K, Sivaprakash M and Rajeswari R

Abstract:
Teak is considered as “King of timbers” and is one of the most prominent tropical hardwoods with huge demand. The experiment consists of 4 irrigation levels viz., I₁ – 50%, I₂ – 75%, I₃ – 100%, I₄ – 125% of calculated water requirement of tree (WRt) as main plots and 3 fertigation levels viz., F₁ – 75%, F₂ – 100%, F₃ - 125% of recommended dose of fertilizer (RDF) as sub plots. Surface application of irrigation and fertilization was kept as control. The experiment was laid out by split plot design with 3 replications. Biochemical responses were assessed in terms of Chloropyll (a, b and total) using standard scientific methodology. The statistical analysis of the result found significant differences at 0.05 level. The various irrigation and fertigation regimes had a significant difference on the biochemical traits of leaves, the interaction study between irrigation and fertigation had also significant impact over the chlorophyll content. The quantitative determination of biochemical estimates of leaf samples showed significantly higher under M₃ i.e., 100% PE and F₃ i.e, 125% RDF level. The drip system was observed to the higher than the conventional method in accumulation of chlorophyll.