Legume Research

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Legume Research, volume 43 issue 3 (june 2020) : 394-400

Influence of primed seed and varying seed rate on growth and productivity of soybean (Glycine max L.) under different planting techniques

Rupinder Kaur Jassal, Harmeet Singh
1Department of Agronomy, Punjab Agricultural University, Ludhiana-141 004, Punjab, India.
  • Submitted20-01-2018|

  • Accepted05-04-2018|

  • First Online 31-01-2019|

  • doi 10.18805/LR-3995

Cite article:- Jassal Kaur Rupinder, Singh Harmeet (2018). Influence of primed seed and varying seed rate on growth and productivity of soybean (Glycine max L.) under different planting techniques. Legume Research. 43(3): 394-400. doi: 10.18805/LR-3995.
An experiment was conducted at Punjab Agricultural University, Ludhiana during 2015 and 2016 to study the effect of priming, different seed rate on growth and seed yield of soybean planted under bed and flat method. The study was planned in factorial split plot design, keeping two planting techniques (flat sowing and bed sowing) and two seed priming treatments ( non primed seeds and 100 ppm GA3 primed seeds) in main plot and three seed levels ( 50, 62.5 and 75 kg ha-1) in sub plot. The objective of the study was to evaluate the effect of seed priming on growth and productivity under different planting techniques with the use of varying seed rates. The results revealed that growth attributes viz. emergence count, plant height, dry matter accumulation, leaf area index and photosynthetic active radiation interception (%) was significantly higher under bed planting technique as compared to flat sowing method. The pooled seed yield was increased by 15.6 % in bed planted soybean crop as compared to flat planted crop.  Soybean seeds primed with 100 ppm GA3 recorded significant results in all the growth parameters. Primed seed recorded increase in yield 15.3 % than non primed seeds. Seed rate of 62.5 kg ha-1 recorded significantly higher emergence count, plant height, dry matter accumulation, leaf area index and photosynthetic active radiation interception (%) which was statistically similar in results with 75 kg ha-1 seed rate in both the two years. Pooled seed yield of 62.5 kg ha-1seed rate was 4.61 % higher than 75 kg ha-1 and 12.6 % than 50 kg ha-1 seed rate.
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