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KMID : 0903619990400030317
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Journal of the Korean Society for Horticultural Science
1999 Volume.40 No. 3 p.317 ~ p.321
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Morphological Characteristics and Germination of the Korean Native Bottle Gourd (Lagenaria siceraria Standl.) Seeds
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Abstract
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The germination features of the Korean native bottle gourd (Lagenaria siceraria Standl.) seeds were examined on the effects of temperature, maturity and light quality, along with the investigation of the formal distinctions. Most of testa colors were pale brown to brown, but some of them were white. The shape of most seeds was rectangular with prominent margin, but some of them showed a round form. The number of seeds per fruit was about 115 to 705. The optimum temperature for germination was 27±2℃ and most seeds were rarely germinated under 15℃ or over 35℃. The seeds of ´Kogseong´ and ´Ulreung 1´ harvested 40 days after pollination showed over 90% germination, but ´Wonju´ did not germinate at all. All the seeds gathered 70 days after pollination were germinated. The life span of seeds was different among varieties. The germination of bottle gourd seeds was considerably lower in Petri dish than in paper towel. The removal of the seed coat markedly increased the germination rate. The bottle gourd seeds did not nearly respond to light in germination, but ´Buan´ was inhibited under the light exposure. All of seeds of the bottle gourd varieties did not germinate in the blue light.
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