Effect of pre-sowing treatments on seed germination and seedling performance of Malabar Neem (Melia dubia Cav.)
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Date
2021-09
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CCSHAU, Hisar
Abstract
The present investigation entitled “Effect of pre-sowing treatments on seed germination and seedling performance of Malabar Neem (Melia dubia Cav.)” was conducted at Seed Science and Technology department and Nursery of forestry department, CCS Haryana Agricultural University, Hisar during 2019-20. The experiment was carried out to study the effect of pre-sowing treatment on seed germination and growth performance of Melia dubia in various growing media. Experiment was laid out in Completely Randomized Design with four replications at laboratory and three replications at nursery, respectively.
Based on the research investigation, it was found that pre-sowing treatment and growing media had significantly influenced the germination and growth performance of Melia dubia. Among pre-sowing treatment on fruit showed maximum germination per cent (32.46%), viability (45.71%) and growth performance such as shoot length (15.52 cm), root length (6.78 cm), seedling dry weight (0.623 g) in cow dung for seven days which was significantly higher in all pre-treatments and on seeds maximum germination per cent (29.18%), viability (41.68%) and growth parameters was recoded in GA3 @ 100 ppm for 24 hours which was statistically at par with GA3 @ 200 ppm for 24 hours in shoot length, root length and seedling dry weight. In experiment 2, the seed treatment with different growing media, showed maximum seedling growth performance in cow dung treated fruits with sowing in cocopeat: vermiculite: vermicompost (3:1:1) that was statistically at par with cocopeat: perlite: vermiculite (3:1:1). Whereas, control (without treatment) in kernels, conc. H2SO4 for 5 minutes on fruits and sandy soil as a control in growing media showed minimum germination and growth performance.