Preharvest Foliar Application of Minerals and Novel Phyto Hormones: A Synergistic Effect on Quality and Shelf-life of Indian Jujube (Zizyphus mauritiana Lamk.)

Mukesh Chand Bhateshwar Mukesh

doi:10.56093/ijas.v96i9.165777

Authors

Mukesh Chand Bhateshwar Mukesh Sri Karan Narendra Agriculture University, Jobner, Jaipur, Rajasthan

https://doi.org/10.56093/ijas.v96i9.165777

Keywords:

Indian Jujube, Minerals and phytohormones, Shelf life, Quality

Abstract

The experiment aimed to investigate the synergistic effect of preharvest foliar applied of minerals and novel phyto-hormones on quality and shelf-life of Indian jujube (Zizyphus mauritiana Lamk.). This was conducted during the 2022-23 and 2023-24 at SKN College of Agriculture, Jobner, Rajasthan. The experiment consisted of 36 treatment combinations and analyzed using a factorial randomized block design. Among the minerals and novel phyto-hormones application of T₁₁(ZnSO₄@ 4g/L + CaCl₂@ 2g/L + Chitosan @ 1.5g/L + Salicylic acid @ 1g/L) to individual plants was significantly superior to all other treatments, but it was on at par with T₉(CaCl₂@ 2g/L + Salicylic acid @ 1g/L), T₇ (ZnSO₄@ 4g/L + Salicylic acid @ 1g/L) and T₅ (ZnSO₄@ 4g/L + CaCl₂@ 2g/L). In treatment T₁₁(ZnSo₄@ 4g/L + CaCl₂@ 2g/L + Chitosan @ 1.5g/L +Salicylic acid @ 1g/L), a decrease physiological loss in weight (12.73%), reduced decay percentage of fruits (14.94%), increase in shelf-life days (7.81 day), TSS content (19.79%), ascorbic acid (86.31 mg/100g), total sugars (10.26%), reducing sugars (6.75%) and non-reducing sugars (3.33%) were recorded at the end of experiments. Whereas, the T₁₁ treatment significantly improved Indian jujube quality and shelf-life by reducing weight loss and decay while enhancing TSS, ascorbic acid and sugars.

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