Vol. 11, Issue 10 (2022)

Author(s):
Aal JM and Karetha KM

Abstract:
The present investigation entitled “Effect of foliar application of biostimulants and silicon on fruit set and drop of mango (Mangifera indica L.) cv. Kesar” was carried out at Fruit Research Station, Sakkarbaug, Junagadh Agricultural University, Junagadh during 2020-21 and 2021-22. The experiment was laid out in Randomized Block Design with Factorial concept consisting two factors with three replications. The treatment comprised with biostimulants viz., without biostimulant, humic acid (1.5%), panchagavya (3%), seaweed extract (0.2%), novel organic liquid fertilizer (2%) and silicon i.e., without silicon, potassium silicate (0.2%) and Orthosilicic acid (0.2%). The results of the study indicated that among the different biostimulants foliar application of humic acid 1.5% and out of the different silicon foliar application of potassium silicate 0.2% was recorded with maximum number of fruits at grain (71.21 and 70.25), pea (15.19 and14.23) and marble stage (4.36 and 4.08), fruits at pea (21.27 and 20.21%) and marble stage (6.09 and 5.77%) and minimum fruits drop at pea (78.74 and 79.82%) and marble stage (93.91 and 94.23%) during in pooled analysis, respectively. Interaction effect between biostimulants and silicon failed to produce any significant effect on all the above parameters during the year 2020-21, 2021-22 and in pooled analysis. It can be concluded that for improved fruit set and reducing fruit drop with foliar application of humic acid 1.5% along with potassium silicate 0.2% at initiation of flowering, pea and marble stage.