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  1. Yezin Agricultural University
  2. Department of Agronomy

Heat Treatment to Break Seed Dormancy of Pre- and Post-Monsoon Sesame (Sesamum indicum L.)

Permalink : http://hdl.handle.net/20.500.12678/0000000025
bce9991b-8907-4261-889d-0b1a223d251e
c84c9638-7d59-4e73-9054-659842ae7f1a
Preview
Name / File License Actions
17 17 Hnin Thida Nyo (138-145).pdf (1.1 MB)
sha256: 2b90deff0c84641af93d62d8c2abff51959d6b4d006cf62c2c72dc401da570a0
Publication type Journal article
Upload Type Publication
Title
Heat Treatment to Break Seed Dormancy of Pre- and Post-Monsoon Sesame (Sesamum indicum L.)
en
Publication date 2019
Authors
Hnin Thida Nyo
Nyein Nyein Htwe
Moe Kyaw Thu
Theingi Myint
Kyaw Kyaw Win
Description
Breaking seed dormancy helps to increase uniformity in germination and shorten the time required for seeds to germinate. To evaluate the effect of heat treatments and different packaging materials on viability and dormancy of different seasonal sesame seeds under field storage conditions, the storage experiments were carried out at two locations, Pwintphyu and Pakokku Townships, and heat treatment experiment was conducted at the laboratory of Department of Agronomy, Yezin Agricultural University from August 2016 to September 2017. The seeds were stored in two packaging materials, woven poly-propylene bag and superbag for eight months, and the samples were collected two-month interval and tested for seed quality. In the heat treatment used in this study, 60˚C for 10 minutes and 50˚C for 20 minutes showed the better results than control (untreated). Of the two different heat treatments, 50˚C treatment of pre-monsoon sesame had higher germination percentage, earlier germination and more vig-orous seedlings than 60˚C treatment, however, there were not different between two temperature treat-ments of post-monsoon sesame. The germination, germination index and seedling vigour index of non-treated and both treated pre-monsoon sesame stored in woven polypropylene bag were significantly higher than superbag, however, these qualities were not different between packaging materials of post-monsoon sesame storage. The initial germination of non-treated sesame increased during storage, the maximum germination of post-monsoon was observed in four months after storage, while it was ob-tained in six-month storage of pre-monsoon seeds.
Keywords
dormancy
Files 1054 Kb
Available
2020-05-05
application/pdf
preview
application/pdf
open_access
17 Hnin Thida Nyo (138-145).pdf

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