Plant and Soil

, Volume 49, Issue 3, pp 551–559 | Cite as

Effect of presowing treatment of sodium chloride on the incidence of green ear disease ofPennisetum typhoides (Burm) Stapf and Hubb. Var. HB3

  • B. A. Hegde
  • S. M. Karande
Article

Summary

Seeds ofPennisetum typhoides were pretreated with varying osmolar concentrations of sodium chlorideviz 50, 100 and 200 mM of osmotic pressure of about 2.25, 4.5 and 9.0 atm. respectively. It was observed that in the leaves osmotic concentrations of the cell sap increased with the increasing concentration of sodium chloride. With the increasing concentration of cell sap in terms of osmotic pressure the incidence of disease decreased markedly. This was accompanied by a decrease in the total carbohydrates, total nitrogen, proline, phosphorus and iron content of the leaves. With the decrease in disease index there was an increase in total chlorophyll and polyphenols of the leaves. It is inferred therefore that disease resistance could be induced by inducing high osmotic concentration of the cell sap.

Keywords

Iron Phosphorus Chlorophyll Carbohydrate Sodium Chloride 

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Copyright information

© Martinus Nijhoff 1978

Authors and Affiliations

  • B. A. Hegde
    • 1
  • S. M. Karande
    • 1
  1. 1.Department of BotanyShivaji UniversityKolhapurIndia

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