International Journal of Industrial Entomology and Biomaterials

Korean Society of Sericultural Science (한국잠사학회)
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Effect of Foliar Treatment of KCl on Chlorophyll, Total Sugars, Soluble Protein, In Vivo Nitrate Reductase Activity and Leaf Yield in Mulberry (Morus alba L. CV.S1)

  • Das, C. (Central Sericultural Research ＆ Training Institute) ;
  • Ghosh, M.K. (Central Sericultural Research ＆ Training Institute) ;
  • Das, B.K. (Central Sericultural Research ＆ Training Institute) ;
  • Misra, A.K. (Central Sericultural Research ＆ Training Institute) ;
  • Mukherjee, P.K. (Central Sericultural Research ＆ Training Institute) ;
  • Urs, S.Raje (Central Sericultural Research ＆ Training Institute)
  • Published : 2003.09.01
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Abstract

Foliar treatment with different concentrations of potassium chloride (KCl) to mulberry plants resulted in higher level of total chlorophyll, total sugars, soluble protein, in vivo nitrate reductase activity (NRA), net photosynthetic rate (NPR), pWUE and leaf yield. Optimal concentration was found to be 10.0 mM KCl with limited irrigation provided in the mulberry plantation planted in 90 ${times}$ 90 cm spacing. The deleterious effect of soil moisture stress condition has been found to be overcome by KCl foliar spray twice at 15 days interval. Regression and correlation coefficients were analyzed, and a strong positive correlation was found between chlorophyll and total sugars, soluble protein and in vivo nitrate reductase activity, leaf dry weight and net photosynthetic rate and pWUE and net photosynthetic rate.

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References

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