Foliar applied zinc on different growth stages to improves the growth, yield, quality and kernel bio-fortification of fine rice


  • Muhammad B. CHATTHA University of the Punjab, Faculty of Agricultural Sciences, Lahore, 54590 (PK)
  • Qurban ALI University of the Punjab, Faculty of Agricultural Sciences, Lahore, 54590 (PK)
  • Muhammad N. SUBHANI University of the Punjab, Faculty of Agricultural Sciences, Lahore, 54590 (PK)
  • Muhammad ASHFAQ University of the Punjab, Faculty of Agricultural Sciences, Lahore, 54590 (PK)
  • Shahbaz AHMAD University of the Punjab, Faculty of Agricultural Sciences, Lahore, 54590 (PK)
  • Zahid IQBAL University of the Punjab, Faculty of Agricultural Sciences, Lahore, 54590 (PK)
  • Muhammad IJAZ Rice Research Station, Bahawalnagar (PK)
  • Muhammad A. AYUB Rice Research Station, Bahawalnagar (PK)
  • Muhammad R. ANWAR Rice Research Station, Bahawalnagar (PK)
  • Maha ALJABRI Department of Biology, Faculty of Applied Science, Umm Al-Qura University, Makkah (SA)
  • Muhammad U. HASSAN Jiangxi Agricultural University, Research Center on Ecological Sciences, Nanchang, 330045 (CN)
  • Sameer H. QARI Department of Biology, AlJumum University College, Umm Al-Qura University, Makkah (SA)



antioxidant, bio-fortification, foliar spary, yield, zinc


Zinc (Zn) is an essential needed for the growth and development of plants, however, Zn is continuously increasing in our soils which is decreasing crop production. Further, the crops grown on Zn-deficient soils also contains a low amount of Zn which is also a major reason for Zn deficiency in humans. So, it is mandatory to supply the Zn to fulfil the crop needs with a corresponding increase in grain Zn. Therefore, the present study was performed to determine the impact of different rates of foliar applied Zn at different growth stages on the growth, yield, quality, and Zn bio-fortification of fine rice. The study comprised foliar application of distilled water (control), foliar applied Zn @ 0.5% at stem elongation stage + booting stage, foliar applied Zn @ 1.0% at stem elongation stage + booting stage, foliar applied Zn @ 0.5% at booting stage and milking stage, foliar applied Zn @ 1.0% at booting stage and milking stage, foliar applied Zn @ 0.5% at milking stage + dough stage and applied Zn @ 1.0% at milking stage + dough stage. The results indicated Zn applied different growth stages significantly improved, productivity and Zn bio-fortification of rice crop. The maximum LAI, LAD, CGR, fertile tillers, 1000 KW, kernel yield, biomass yield, HI, chlorophyll concentration, relative water content (RWC), and antioxidant activities were observed with foliar applied Zn (0.5%) at booting and milking stage and lowest values of all these traits were observed in control. Likewise, the maximum kernel protein, amylose, kernel length and width, and grain Zn concentration was Zn (0.5%) at the booting and milking stage, and minimum kernel protein, amylose, kernel length, and width, and grain Zn concentration was noted in control. The current study findings suggested that foliar-applied Zn (0.5%) at the booting and milking stage could be an important practice to get better productivity, quality, and grain Zn bio-fortification of rice in semi-arid conditions.


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How to Cite

CHATTHA, M. B., ALI, Q., SUBHANI, M. N., ASHFAQ, M., AHMAD, S., IQBAL, Z., IJAZ, M., AYUB, M. A., ANWAR, M. R., ALJABRI, M., HASSAN, M. U., & QARI, S. H. (2023). Foliar applied zinc on different growth stages to improves the growth, yield, quality and kernel bio-fortification of fine rice. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 51(2), 13221.



Research Articles
DOI: 10.15835/nbha51213221

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