Keywords : Effect of foliar spraying of TOTALGRO and Gibberellic Acid
Effect of foliar spraying of TOTALGRO and Gibberellic Acid on growth and yield of Apple Malus domestica cvs. Sharabi and Anna 1 . Leaf area and N . P . K contents
ANBAR JOURNAL OF AGRICULTURAL SCIENCES,
2011, Volume 9, Issue 2, Pages 197-208
This experiment was conducted at a private apple orchard located at Alfallujah area in province of Anbar during the growing seasons of 2009 and 2010 to find out the responses of Sharabi and Anna apple cultivars to foliar application of nutrient solution (TOTALGRO) containing NPK and GA3 and their interactions . Spraying nutrient solution (T) with five levels of without spray (T1) , (20-20-20) (T2) , (30-12-8) )T3( , (10-52-10) (T4) and (12-12-36) (T5) and Spraying GA3 (G) with four levels 0 )G1( , 50 (G2) ,100 (G3) and 150 (G4) mg /l . Each treatment replicated three times with a factorial experiment with RCBD. The experimental results showed that treatment (T2G2) significantly gave the highest leaf area of 40,18 and 41,83 cm2 in cv. Sharabi and 40,29 and 42,71 cm2 in cv. Anna and the highest leaves content of nitrogen of 2,19 and 2,40% in cv. Sharabi and 2,33 and 2,56 % in cv. Anna for both seasons , respectively . The lowest value of these parameters found in the control (T1G1) treatment . and The experimental results showed the highest in leaves content of Potassium was in (T5G2) of 1,69 and 1,78 % in cv. Sharabi and 1,74 and 1,98 % in cv. Anna for both seasons , respectively .