본 시험은 병원성 사상균에 길항작용이 있고 식물의 생육을 촉진하는 세균을 이용하여 연작 및 비연 작토양에 있어서 옥수수(Zea may L.)의 생산성을 증대시킬 수 있는 방안을 제시하고자 수행되었다. 옥수수는 전남대학교 농과대학 부속동물사육장내 vinyl house에서 자연광 상태에서 p o t ( 30 × 50 c m ) 로 재배한 다음 파종 후 50일 및 90일에 수확하여 건물중을 조사하였으며, 시험토양은 연작 및 비연작지의 양토와 버미큘라이트를 1:1 로 혼합하여 사용하였다. 본 시험에 이용된 세균은 목초근권에서 직접 분리한 Bacillus subtilis 였다. 연작 및 비연작 토양 모두 B. subtilis 처리구에서 옥수수의 건물중이 B. subtilis 무처리구보다 그리고 병원성 사상균 처리구보다 증가되었다. 그리고 비연작 토양에서 생장한 옥수수의 건물중은 연작토양에서 보다 증가하였다. 옥수수의 생장에 있어서 B. subtilis 접종효과는 연작토양보다 비연작토양에서 좋게 나타났다. 그러나 연작 및 비연작토양 모두 병원성사상균을 접종함으로써 옥수수의 건물중은 현저하게 감소되었다.

This study was conducted to investigate the effects of rhizosphere bacterium and pathogenic fungi on the growth of corn(Zea may L.) in continuous corn cultivation soil(CCCS) and non-continuous cultivation soil(NCCS). Corn was established by seeding into pots of 30 cm in diameter and 50 cm in depth containing 1 : 1 mixture of soil and vermiculite. Rhizobacterium and pathogenic fungi were inoculated into the soils. The field experiment was carried out at the Animal Research Station, College of Agriculture, Chonnam National University. Sample of corn was taken from each pot at 50 days and 90 days after sowing. Corn was cultivated in a vinyl house with three replications under natural daylight conditions. The bacterium used in this study was Bacillus subtilis. B. subtilis was directly isolated and identified from forage rhizosphere soil. Dry matter(DM) of coron plant in treatment without B. subtilis was lower than that in treatment of B. subtilis. DM of corn plant inoculated with B. subtilis was higher than that of corn inoculated with pathogenic fungi in both CCCS and NCCS. DM of corn plant in NCCS was more increased than that in CCCS. The effect of B. subtilis inoculation on the growth of corn was better in NCCS than in CCCS. However, DM of corn plant was apparently decreased by the inoculation of the pathogenic fungi in both CCCS and NCCS.

Summary
Ⅰ. 서 론
II. 재료 및 방법
    1. 공시품종
    2. 공시균주
    3. 공시균주 접종액 조제
    4. 시험설계 및 재배관리
    5. 통계 문석
III. 결 과
N. 고 찰
V. 적 요
VI. 인 용 문 헌

• 최기춘(건국대학교 축산대학 동물자원연구센터) | Ki Chun Choi (Animal Resources Research Center, College of Animal Husbandry, Kon-Kuk University)
• 정광화(축산기술연구소) | Kwang Hwa Jeong (National Livestock Research Institute)
• 이종경(축산기술연구소) | Joung Kyong Lee (National Livestock Research Institute)
• 윤창(익산대학) | Chang Youn (Iksan National College)
• 안승현(건국대학교 축산대학 동물자원연구센터) | Seung Hyun An (Animal Resources Research Center, College of Animal Husbandry, Kon-Kuk University)
• 육완방(건국대학교 축산대학 동물자원연구센터) | Wan Bang Y∞k (Animal Resources Research Center, College of Animal Husbandry, Kon-Kuk University)