Vol. 10, Issue 10 (2021)

Author(s):
KS Giram, SJ Shinde, SB Jaiswal and LG Pavankumar

Abstract:
The present investigation entitled “Influence of foliar application of micronutrients on yield and chemical attributes of Mrig bahar guava (Psidium guajava L.) cv. Sardar” was carried out at College of Agriculture, Golegaon under VNMKV, Parbhani, M.S. (India) during year 2020-21. The experiment was laid out in Randomized Block Design having eleven treatments with three replications. The details of treatments were as T₁: Control treatment, T_2: zinc sulphate 1.0%, T_3: copper sulphate 1.0%, T₄: boron 1.0%, T₅: magnesium sulphate 1.0%, T₆: zinc sulphate 1.0% + magnesium sulphate 1.0%, T₇: copper sulphate 1.0% + magnesium sulphate 1.0%, T₈: zinc sulphate 1.0% + boron 1.0%, T₉: copper sulphate 1.0% + boron 1.0%, T_10: magnesium sulphate 1% + boron 1.0% and T_11: zinc sulphate 1.0% + boron 1.0% + copper sulphate 1.0% + magnesium sulphate 1.0%. The maximum yield per tree (19.75 kg) and yield per hectare (219.43 q/ha) were recorded in T₁₁ treatment (zinc sulphate 1.0% + boron 1.0% + copper sulphate 1.0% + magnesium sulphate 1.0%). The maximum TSS (12.67 ⁰B) was observed in the treatment T₁₁ (zinc sulphate 1.0% + boron 1.0% + copper sulphate 1.0% + magnesium sulphate 1.0%). The minimum acidity (0.42%) and maximum ascorbic acid (171.53 mg/100g) were found under the treatment T₄ (boron 1.0%). The highest reducing sugar (4.6%), was recorded under treatment T₂ (zinc sulphate 1.0%) and highest non reducing sugar (3.92%) with T₅ i.e. magnesium sulphate (1.0%).