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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국육종학회 한국육종학회지 한국육종학회지 제39권 제2호
발행연도
2007.1
수록면
224 - 231 (8page)

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초록· 키워드

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Sweetpotato tips are known to be very useful parts as a vegetable because of their high nutritive values and great biomass yield. This study was carried out to select a variety that is suitable to the tips of sweetpotatoes as vegetables. Twenty-two varieties were planted in polyethylene (PE) houses and upland field. The tips were cropped, tested and their tips' external characteristics, quantity, sweetness, toughness and taste were likewise tested. This research found that the external characteristics of the sweetpotato tips were mostly colored green or greenish purple and the leaves were of heart shape. When it comes to texture, the crops from the PE houses presented softer sense than those from the upland field, and due to the blanching, the degree of hardness was reduced by 60 percent. The varieties that presented soft texture after blanching were Yulmi, Geonmi, Hwangmi, Sinchunmi, M301, Eunmi, Juhwangmi, Singeonmi and Gogeonmi. The sweetness, which gives a great influence to the taste, was found to be 3.8 Brix°% on the average for raw tips of sweetpotatoes cropped in P.E. houses, lower than the crops from the upland field which yielded 4.6 Brix°%. By varieties, those that were commonly high in both P.E. houses and upland field crops were three kinds - Geonmi, Sincheonmi and Juhwangmi. The yield derived was on the average 150 tons/ha, which was considerably high yield, compared to the greens like the Korean leeks, which were repeatedly cropped once planted, like the tips. The investigation into the external appearances, texture, sweetness and acceptability found that the varieties that are suitable for sweetpotato tips production are Yulmi, Geonmi, Hwangmi, Yeonmi, Chinmi and Juhwangmi.

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