논 재배 인삼의 월동병해 발생경감을 위한 경종적 처리효과

• 영문명: Effects of Overwintering Disease Prevention in Korean Ginseng (Panax ginseng C.A. Meyer) by an Agronomical Control Measure in Paddy Field
• 발행기관: 한국작물학회
• 저자명: 성봉재(Bong-Jae Seong) 김선익(Sun-Ick Kim) 이가순(Ka-Soon Lee) 김현호(Hyun-Ho Kim) 강윤규(Yun Kyu Kang) 조진웅(Jin-Woong Cho)
• 간행물 정보: 『한국작물학회지』제64권 제2호, 152~158쪽, 전체 7쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2019.06.30

영문 초록

This study was conducted to develop and prove the effects of an agronomical pest control measure on ginseng cultivated by direct seeding in paddy field, and the results obtained are as follows. Decomposition of ginseng in field during overwintering was due to gray mold rot caused by Botrytis cinerea, which occurred in October or November of 2016 and intensified in February and March the following year. The occurrence rate of gray mold rot based on shading materials was 6.5%,16.8%, and 29.5% with light-proof paper, PE shade net, and rice straw shade, respectively. The initial infection occurred in the leaves prior to wintering and secondary infection occurred in the stems after wintering. The rate of screrotium formation by gray mold in the above-ground parts of ginseng tended to increase: 26.6% on October 20, 33.7% in November 20, and 41.8% on December 20. The force needed to remove the leaves and stems from withered ginseng was 0.2, 0.94, 2.5, and 5 kg for 1-, 2-, 3-,and 4- and 5-year holds; the force required was 1 kg after wintering, making it relatively easy to remove. The disease incidence rate after the removal of leaves and stems was 2.5%, 1.2%, and 2.2% in 4-, 5-, and 6-year-old plants, respectively, and a disease high incidence rate of 8.8%, 13.0%, and 18.2%, respectively, was seen when the leaves and stems were not removed. In both transplanting and direct seeding, the miss-planted rate decreased and the germination rate increased when shading material was removed and the surface of ridge was covered with soil or vinyl.

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agronomical control disease outbreak ginseng overwintering