Effect of folia application of Iron and Manganese on the Mineral contents of pear Trees C.V . Muntakhab Al-Za –Farania

Abstract

This research was conduted during 1999-2000 season on pear trees. cv . Muntakhab Al-Zafarani,Three levels of irou ( 0, 15, 30 mg/L ) and three levels of manganese ( 0,15,30 mg/L) and their mixture were applied as foliar spray . Results indicated that spra ying of 30 mg / L of Fe or Mn were significantly increased nutrients concentration in the leaves compared with control trees , Interaction between Fe and Mn was significant too . The Trees which were sprayed with ( 30mg/L Fe + 30 mg/L Mn ) have ahighest elemental concentration (1.8% N, 0.160 % P, 1.64 % K , 727.0 Mg/L Fe and 54.28 mg/L Mn ) Copmpared wit 1.007 % N , 0.103%P , 0.982 % K , 171.0 mg/L Fe , 45.33 mg/L Nn in a control trees .