Year: 2019 | Month: December | Volume 6 | Issue 2
Effect of Trinexapac-ethyl on Mitigation of Lodging in Rice Grown under Terai Region of Uttarakhand
Rohitashav Singh1
Neelam2
Biswajit Pramanick1–3* and Ardeep1
DOI:10.30954/2347-9655.02.2019.5
Abstract:
Lodging is an acute problem in high yielding rice cultivars reducing a huge loss of the yield. Considering this acute problem, an experiment was laid out in Norman E. Borlaug Crop Research Centre of GBPUA&T, Pantnagar. In this study, the effects of the plant growth regulator Trinexapac-ethyl (TE) on the plant height, lodging, and grain yield of rice (Oryza sativa L.) were evaluated over two growing seasons (2015 and 2016). The experiments were designed in a randomized complete block design with three replicates. Application of Trinexapac-ethyl 250 EC at 40 g a.i./ ha showed the minimum plant height of 93.6 and 95.5 cm. Trinexapac-ethyl 250 EC at 40 g a.i./ ha reduced the lodging of the crop by reducing its height which was statistically at par with Trinexapac-ethyl 250 EC at 30 g a.i./ ha. This treatment also exhibited the higher grain yield of transplanted rice due to reduction in lodging.
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