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Triploid Seedless Watermelon Seed’s Sterilization and Priming Technology Processing

Author: MaLingZuo
Tutor: SunXiaoWu
School: Hunan Agricultural University
Course: Olericulture
Keywords: Triploid watermelon seeds Seed sterilization treatment Pathogen detection Priming
CLC: S651
Type: Master's thesis
Year: 2010
Downloads: 59
Quote: 0
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Abstract


Sub triploid watermelon seed material , triploid watermelon seed processing of different physical and chemical methods , seeds kind of shell medium detection method and peptide the enzyme chain reaction assay for pathogen detection to understand and master the inhibitory effects of different treatment methods on bacterial fruit rot of watermelon seeds . Study and analyze the impact of different sterilization method of no sub watermelon seed vigor . No child of sterilization triploid watermelon seed then water caused by processing , matrix - induced processing and pharmaceutical priming , in order to reduce the damage to the seed in the seed sterilization process , and improve seed germination rate . Seeds husk medium assay and PCR assay showed that: the higher the concentration of the acidic treating solution and the processing time longer, the better the sterilization effect of the seed , of 15% hydrogen peroxide solution , 60 % -98 % sulfuric acid was treated with a solution seed after seed infection rate of zero ; rapid high-temperature sterilization treatment , sterilization effect is remarkable, seed infection rate of zero . Different sterilization methods triploid no child watermelon seed germination rate links , the study found a variety of seeds treated with increasing concentration of acidic solution treatment and processing time , the seed made ??good bactericidal effect , seed germination ability will be constantly reduced ; generally not high , dry heat sterilization and pharmaceutical treatment of seeds, germination rate . The different priming triggered through the water processing and matrix - induced processing of damaged seeds and have not been damaged priming seed germination rate increased compared to the impact on seed germination link ; after Pharmacy ( PVA ) watermelon seeds soaked trigger can not restore damaged seed vigor , priming and has not been damaged seed germination rates have reduced. 5% and 7 % hydrogen peroxide treated seeds after water thrown and matrix triggered , causing the most significant effect , the germination rate increased by 48.1% .

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CLC: > Agricultural Sciences > Gardening > Fruits and horticulture > Watermelon
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