Nutrient Deficiency:Manganese

  • Deficiency


  • Pale grayish green interveinal chlorosis from leaf tip to base, necrotic brown spots develop later and leaf becomes dark brown,newly emerging leaves short,narrow,and light green in color,plants shorter with fewer leaves and smaller root system at tillering.
  • Affected plants are more susceptible to brown spot disease.
  • Mn-deficient rice plants are often deficient in P.
  • In soils where both Mn deficiency and Fe toxicity occur,Mn-deficient rice plants contain a large concentration of Fe,and may also show symptoms of bronzing