Effect of Storage Periods on Physical Quality and Seed Vigor of Four Varieties of Sorghum (Sorghum Bicolor [L.] Moench)

Paul B. Timotiwu, Eko Pramono, Agustiansyah -, Ni Wayan Ayung Surya Asih

Abstract


The availability of good physical quality and high seed vigor is expected to occur with good handling of storage. The purpose of this study was to determine the effect of two storage periods [10 months (p1) and 12 months (p2)] and different sorghum varieties of Kawali (V1), Talaga Bodas (V2), Super-1 (V3), and Pahat (V4) on the physical quality and sorghum seed vigor. This experiment was conducted at the Laboratory of Seeds and Plant Breeding, Faculty of Agriculture, the University of Lampung during November 2015 to November 2016. The experiment was laid out in Randomized Complete Block Design (RCBD) with two replications. The variable damaged seed was higher by 24.19% compared to seeds stored for 10 months at 14.73%. The percentage of total normal seedling after store 12 months (59.50%) was lower than 10 months (78.00%). Speed germination of seed after store 12 months (24.58%/day) was lower than the stored 10 months (36.47%/day). Tetrazolium test for vigor showed no different results from germination test results. The variety that has the best seedling vigor was Super-1 indicated by primary root length and dry weight of normal seedlings.


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DOI: http://dx.doi.org/10.22158/ra.v2n2p29

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