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Techniques Improved 'Ching Pi' Bitter Gourd (Momordica charantia L.) Seed Germination
Myint Myint Aye
|關鍵字:||Bitter gourd;苦瓜;Seed;Seed germination;Presowing treatments;種子;發芽率;種子前處理||Project:||興大園藝, Volume 29, Issue 4, Page(s) 27-42.
Horticulture NCHU, Volume 29, Issue 4, Page(s) 27-42.
Bitter gourd seeds have small cotyledons enclosed in a hard, thick seed coat. A number of pre-sowing treatments can increase germination by overcoming the limitations imposed by the seed coat. Clipped and soaked in running water for 12 hrs could enhance bitter gourd seed germination at 30, 25 and 20∘C. Seed immersed in 50∘C water for 60 min exhibited significantly higher germination than seeds immersed at other temperatures and for different times. The germination of seeds treated with H2SO4 was the highest after 30 sec of immersion. Germination was higher for clipped seed immersed in 15﹪H2O2 for 25 min and for unclipped seeds imbibed with 1﹪H2O2 water .Priming seeds for one day with vermiculite No.2 and NaOCl at a seeds: vermiculite ＃2 : 0.1％NaOCl ratio of 9:12:18, by weight produced the highest germination rate. The highest emergence rate was achieved with two different treatments of soaking clipped seeds in running water for 12 hr or immersing unclipped seeds in 50∘C water for 1 hr. The pre-sowing treatment that increased germination were seeds immersed in 50∘C water for 60 min or clipped and soaked in running water for 12 hrs.
|Appears in Collections:||園藝學系|
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