Plant and Soil

, Volume 52, Issue 4, pp 591–594 | Cite as

Effect of boron on the pollen vitality and yield of rice plants (Oryza sativa L. var. Jaya)

  • O. K. Garg
  • A. N. Sharma
  • G. R. S. S. Kona
Short Communications


Rice plants were grown in sand cultures with nutrient solution including boron at 0, 1, 2.5 and 5 ppm concentrations.

In general, supply of boron improved the pollen vitality of rice flowers. It was stimulating up to 2.5 ppm concentration in the nutrient solution, beyond which (i.e., at 5 ppm) inhibitory effects appeared. The availability of boron also increased the yield of rice grains in the same order.

Stimulating effects of boron may be linked with greater availability of sugars, increased enzymatic activity and respiration which favoured better growth of pollen. Inhibitory effects of stronger concentration of boron (5 ppm) may be related with physiological depression and injury to protoplasm itself.

Key words

Boron Pollen vitality Rice 


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Copyright information

© Martinus Nijhoff 1979

Authors and Affiliations

  • O. K. Garg
    • 1
  • A. N. Sharma
    • 1
  • G. R. S. S. Kona
    • 1
  1. 1.Plant Physiology Laboratory, Faculty of AgricultureBanaras Hindu UniversityVaranasiIndia

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