Beijing, April 12: Chinese researchers have revealed the genetic variation basis in watermelon seed size based on a systematic study on the molecular basis of natural variation, according to the Chinese Academy of Agricultural Sciences.

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Seed size is one of the important agronomic traits of watermelon and different watermelon germplasm resources would lead to great differences in seed size. Therefore, a comprehensive understanding of the natural variation in watermelon seeds is important for breeding cultivars with target seed size and may provide insights into the domestication process of different species.

Through the Genome-Wide Association Study (GWAS), the research team examined five seed size traits, including 100-seed weight (100 SWT), seed hilum length (SHL), seed length (SL), seed width (SWD), and seed thickness (STH) in 197 watermelon accessions, according to a study published in the journal Horticulture Research. Shanghai Lockdown: Foreigners Express Solidarity Toward City's Anti-Epidemic Efforts Amid Resurgence in COVID-19 Cases.

The researchers found that seed enlargement was an important feature during watermelon seed size domestication. The seed-consumed biological species Citrullus mucosospermus and the edible seed watermelon Citrullus lanatus had significantly larger seeds than the other species, Xinhua news agency reported. Overall Risk of Myopericarditis, Heart Inflammation Post COVID-19 Vaccination is Rare, Confirms Study Published in Lancent Respiratory Medicine.

The study also showed that watermelon seed size is mainly determined by 100-seed weight, seed length and width. The findings provide molecular insights into the natural variation in watermelon seed size, and valuable information for molecular marker-assisted breeding, the researchers said.

(The above story first appeared on LatestLY on Apr 12, 2022 02:01 PM IST. For more news and updates on politics, world, sports, entertainment and lifestyle, log on to our website