Vegetos
(An International Journal of Plant Research & Biotechnology)
(eISSN: 2229-4473)
Effect of storage duration, container types and rootstock age on seed viability and propagation of jamun (Syzygium cumini L.)
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Choudhary Mahima, Yadav Jyoti, Nehal Nikita, Srivastava Shiwangi
Research Articles | Published: 19 September, 2026
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Keywords: Ambient storage, Cold storage, Grafting, Seed storage, Seed viability
Abstract
Jamun is an important underutilized fruit crop mainly cultivated in the tropical and subtropical regions across India. However, its commercial use is restricted due to its recalcitrant behaviour. This study is aimed to investigate the effect of storage duration, container types and rootstock age on seed viability and propagation of Jamun (Syzygium cumini L.)The experiment was carried out in the year 2024-25 at School of Agriculture, Galgotias University using a factorial randomized design having 3 replications, six container treatments (polybag, polybag?+?charcoal powder, polybag?+?carbendazim, polybag?+?sawdust, polybag?+?Trichoderma harzianum, and paper bag) and four intervals (0, 15, 30, and 45 days) were included in the seed storage studies, along with two storage environments (ambient temperature and cold storage at 5 °C). The findings showed a steady decrease in seed performance as storage time increases. Freshly extracted seeds exhibited the earliest germination (12.00–14.00 days), while after 45 days of storage, it was delayed up to 20.67–24.33 days. The seeds that underwent cold storage and were treated with carbendazim (2 g kg?1 seed) followed by Trichoderma harzianum (10 g kg?1 seed) had the highest germination rates. The storage condition (S), treatment (P), and their interaction (P × S) significantly influenced seed viability and germination parameters, with cold storage and fungicidal/biocontrol treatments generally exhibiting superior performance over room storage throughout the storage period. In research on grafting, graft growth parameters were greatly impacted by rootstock age. Graft height, graft girth, number of sprouts, and number of leaves were measured at 30, 60, and 90 days following grafting in eight-month-old rootstocks. The effect of treatments on number of leaves was found to be non-significant. The study finds that utilizing 6–8month old rootstocks performed superior graft development in jamun, whereas short-term cold storage coupled with fungicidal or biological seed treatment is the best method for preserving seed viability.
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Author Information
School of Agriculture, Galgotias University, Greater Noida, India