Effect of Various Seed Priming Agents on Germination, Seedling Vigour and Grain Yield of Dry Direct-Seeded Rice in the Northwestern Indo Gangetic Plains of India

Seed Priming Effects in Dry Direct-Seeded Rice


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Authors

  • Sukham Madaan CCSHAU Rice Research Station, Kaul
  • Ram Mangat CCS HAU, RRS Kaul–136021, India. 
  • Panwar Lalita CCS HAU, RRS Kaul–136021, India.
  • Saini Sumit CCS HAU, RRS Kaul–136021, India.
  • Ashish Jain CCS HAU, RRS Kaul–136021, India.
  • Rakesh Kumar CCS HAU, RRS Kaul–136021, India
  • Mahaveer Singh Bochalya CCS HAU, RRS Kaul–136021, India
  • Amit Kumar CCS HAU, RRS Kaul–136021
  • Ashwani Kumar CCS HAU, RRS Kaul–136021, India.
  • Vishal Gandhi CCS HAU, RRS Kaul–136021, India
  • Charan Singh CCS HAU, RRS Kaul–136021, India.
  • Parvesh Kumar CCS HAU, RRS Kaul–136021, India.
  • Sarita Devi Department of Botany and Plant Physiology, CCS HAU, Hisar-125004, Haryana, India.
  • Anita Kumari Department of Botany and Plant Physiology, CCS HAU, Hisar-125004, Haryana, India.

https://doi.org/10.56093/ijpgr.v39i2.174774

Keywords:

DSR, Germination, Hormonal Priming, Nano Priming, Plant Stand

Abstract

Dry direct seeded rice (DSR) grown in sub-tropical northwestern Indo-Gangetic Plains of India is often exposed to multiple environmental stresses during germination phase, leading to poor crop establishment and productivity. Seed priming may help overcome these stresses by ensuring better crop germination and establishment. Present study was carried out during 2022 and 2023 to assess the effectiveness of priming agents viz. hydropriming, nanopriming (25 ppm ZnO nanoparticles), hormonal priming (50 ppm GA3), halopriming (1% KNO3) and ascorbic acid (100 ppm) priming in two rice cultivars  under laboratory as well as dry direct seeded field conditions. All priming agents significantly improved seed germination and seedling growth, seedling length and seedling vigour under laboratory conditions and stand establishment of the crop in the field. Hormonal priming was found to be significantly superior to all the other treatments under laboratory conditions but all the priming agents were equally effective under field conditions. The priming increased number of panicles/m2 and ultimately grain yield of field crop significantly over the unprimed control obviously due to improvement in crop stand (number of plants/m2).

 

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Author Biographies

  • Ram Mangat, CCS HAU, RRS Kaul–136021, India. 

    Principal Scientist (Agronomy), CCS HAU, RRS Kaul–136021, India. 

  • Panwar Lalita, CCS HAU, RRS Kaul–136021, India.
    1. Assistant Scientist (Entomology),

     

     

  • Saini Sumit, CCS HAU, RRS Kaul–136021, India.

    Assistant Scientist (Entomology)

     

  • Ashish Jain, CCS HAU, RRS Kaul–136021, India.

    Assistant Scientist (Plant Breeding)

  • Rakesh Kumar, CCS HAU, RRS Kaul–136021, India

    Rice Breeder

  • Mahaveer Singh Bochalya , CCS HAU, RRS Kaul–136021, India

    Assistant Scientist (Plant Pathology), 

  • Amit Kumar, CCS HAU, RRS Kaul–136021

    Assistant Scientist (Agronomy)

  • Ashwani Kumar , CCS HAU, RRS Kaul–136021, India.

    Assistant Professor (Plant Pathology)

  • Vishal Gandhi , CCS HAU, RRS Kaul–136021, India

    Assistant Scientist (Plant Pathology),

  • Charan Singh , CCS HAU, RRS Kaul–136021, India.

    Assistant Scientist (Soil Science)

  • Parvesh Kumar , CCS HAU, RRS Kaul–136021, India.

    Assistant Scientist (Plant Pathology),

  • Sarita Devi , Department of Botany and Plant Physiology, CCS HAU, Hisar-125004, Haryana, India.

    Assistant Scientist (Plant Physiology),

  • Anita Kumari, Department of Botany and Plant Physiology, CCS HAU, Hisar-125004, Haryana, India.

    Assistant Scientist (Plant Physiology), 

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Submitted

2026-01-03

Published

2026-08-11

Issue

Vol. 39 No. 2 (2026): Indian Journal of Plant Genetic Resources

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How to Cite

Sukham Madaan, Mangat Ram, Lalita, Sumit Saini, Ashish Jain, Rakesh Kumar, Mahaveer Bochalya, Amit Kumar, Ashwani Kumar, Vishal Gandhi, Charan Singh, Parvesh Kumar, Sarita Devi, & Anita Kumari. (2026). Effect of Various Seed Priming Agents on Germination, Seedling Vigour and Grain Yield of Dry Direct-Seeded Rice in the Northwestern Indo Gangetic Plains of India: Seed Priming Effects in Dry Direct-Seeded Rice. Indian Journal of Plant Genetic Resources, 39(2). https://doi.org/10.56093/ijpgr.v39i2.174774