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We tested various pretreatments to enhance the germination of `Sea bells' (Calystegia soldanella Roem. et Schult). One experiment, which improved the germination rate by 70%, involved first scarifying the seed coats, then immersing the seeds in 50 ppm $GA_3$ for 24 h. A $GA_3$-alone pretreatment did not increase germination. However, the most effective method, with a 100% success rate, included 3 h of acid pretreatment with 98% $H_2SO_4$. We also used scanning electron microscopy (SEM) to examine the seed-coat surfaces and cross-sections of dry seeds. SEM showed structural differences between seeds that were not treated and those exposed to 98% $H_2SO_4$. The latter treatment allowed the seed coats to crack and break, thereby disrupting their physical dormancy.

참고문헌 (19)

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이 논문을 인용한 문헌 (1)

  1. Park, Yong Mok 2013. "Characteristic of Matter Allocation of Calystegia soldanella under Water Stress" Journal of environmental science international = 한국환경과학회지, 22(2): 187~193 


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