초록

본 연구과제의 최종 연구 내용은 유기농 고추 주요 병해충 종합 방제기술의 현장 실증로서 선발된 품종과 반비가림시설 및 난황유혼합제 등을 이용한 유기농 고추 종합 생산기술 개발 및 실증이다. 또한 유기농 고추 등의 생산성 향상을 위해 유용미생물을 선발하고 이들의 효과검증 및 농가 적용기술 개발연구도 본 과제의 연구 내용 및 범위이다.

Abstract ▼

Hot pepper has ranked first among vegetables in terms of both planted area and production value in Korea. However, organic pepper production is seriously hampered by diseases and insect pests and nutrient depletion because of its long cultivation periods. Hence, this study was aimed to select suitab

Hot pepper has ranked first among vegetables in terms of both planted area and production value in Korea. However, organic pepper production is seriously hampered by diseases and insect pests and nutrient depletion because of its long cultivation periods. Hence, this study was aimed to select suitable pepper cultivars for organic cultivation, to develop control measures of major pepper diseases and insect pests, and to develop an organic liquid fertilizer and microorganisms to increase organic pepper production.
Among 47 commercial pepper cultivars, PR-Muhanjilju, PR-Cheonmyung, Ilwolsancheon were finally selected for organic farming based on their cultural and pathological traits evaluated in fields for two years. The selected pepper cultivars showed high Phytophthora resistance and moderate viral disease(CMV) resistance, and produced high yield and good quality of fruit. Also, two pepper cultivars, Shindokbuljanggun and Shinokdongja, of which horticultural traits were comparable to selected cultivars were newly developed and registered in this study.
It was found that over 98% of the fungal spores of anthracnose pathogen spread during rainy days, hence, blocking rain splash is inevitable to control the disease. Accordingly a rain-proof-structure which showed over 98% control value of anthracnose was developed. Its special feature is an umbrella-like semi-plastic house of which environmental conditions are comparable to those of open fields. Powdery mildew of pepper was effectively controled by cooking oil and yolk(COY) mixture supplemented with copper or sulfur 5g/20L. The copper mixture of COY presented 62.1% control efficacy on powdery mildew under a high disease pressure. The COY mixture also showed about 70-90% control value against pepper anthracnose in fields. Aphids on pepper were successfully managed by the COY mixture with neem oil.
A liquid organic fertilizer for a nutrient supply in mid- to late growing stage of organic pepper was developedy. The liquid fertilizer composed of rape seed oil cake 60kg and yoghurt 39L in water 3000L was fermented for 2 weeks and supplied every two weeks after two months of planting. Nutritional value of the fertilizer was N 0.21%, P 0.19%, and K 78ppm. The fertilizer increased pepper yield from 4% to 26% and reduced input cost about 86-89%. Among over 1,000 microbial isolates, B1-9 identified as Pantoea ananatis was proved to be a promising PGPR. It showed high colonization ability on pepper roots and grew well inner tissues of the plant. The isolate was patented for further use on organic pepper cultivation.

목차 Contents

• 제출문 ... 1
• 요약문 ... 2
• SUMMARY ... 3
• 제 1 장 서 론 ... 4
• 제 2 장 국내외 기술개발 현황 ... 4
• 제 3 장 연구개발 수행 내용 및 결과 ... 5
• 1. 유기농 고추 주요 병해충 방제기술의 현장 실용 ... 5
• 2. 유기농 재배에 적합한 고추 품종 선발 및 개발 ... 19
• 3. 유기농 고추 후기 양분관리 기술개발 ... 30
• 4. 유기농 고추 생산을 위한 유용미생물 수집 및 특성평가 ... 36
• 제 4 장 연구개발목표 달성도 및 대외기여도 ... 48
• 1. 목표대비 달성도 ... 48
• 2. 정량적 성과 ... 49
• 제 5 장 연구개발결과의 활용계획 ... 50
• 제 6 장 연구개발과정에서 수집한 해외과학기술정보 ... 50
• 제 7 장 기타 중요 변동사항 ... 50
• 제 8 장 국가과학기술종합정보시스템에 등록한 연구장비 현황 ... 50
• 제 9 장 참고문헌 ... 51
• 주요 결과 요약서 ... 52