직파와 이식재배에 따른 인삼의 생육특성 및 엑스와 조사포닌 함량
Comparison of Growth Characteristics, and Extract and Crude Saponin Contents in4-Year-Old Ginseng Cultured by Direct Seeding and Transplanting Cultivation
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초록
금산 및 음성지역의 4년생 인삼재배 농가포장에서 직파재배 5개소와 이식재배 5개소를 임의로 선정하여 직파와 이식재배에 따른 생육특성 및 엑스와 조사포닌 함량을 비교한 결과는 다음과 같다. 직파재배는 4년근 생존율이 평균 48%로 이식재배의 86%보다 떨어지나 입모수가 평균 96주/3.3㎡로 이식재배의 57주보다 많고 엽면적지수가 커 수량성이 높은 반면, 주당근중은 작았다. 직파재배는 이식재배에 비해 동체의 신장이 양호하나 지근의 발달이 불량하여 동체중의 비율이 높고 지근 중의 비율이 낮았으며, 직파재배는 적변 발생율이 적으나 동체와 지근부위의 엑스와 조사포닌 함량이 낮았다.
Abstract
This study was carried out to compare growth characteristics, and extract and crude saponin contents of 4-year-old ginseng cultured by direct seeding and transplanting cultivation at several farms of the main producing district, Geumsan and Eumsung. Though root weight per plant of direct seeding cultivation was lower than that of transplanting cultivation, but yield of the former was higher than that of the latter owing to high rate of survival plant and Leaf Area Index. Dry matter partitioning ratio of direct seeding cultivation was high in primary root and low in secondary root because direct seeding cultivation elongated the length of primary root, while it suppressed the growth of secondary root. Ratio of rusty root was decreased in condition of direct seeding cultivation, while the contents of extract and crude saponin were lower than that of transplanting cultivation.
참고문헌 (16)
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