• Proceedings of the Korean Society for Agricultural Machinery Conference
• /
• 2001.02a
• /
• pp.69-76
• /
• 2001

• Journal of the Korean Professional Engineers Association
• /
• v.10 no.4
• /
• pp.34-39
• /
• 1977

• Agrochemical news magazine
• /
• v.19 no.4 s.145
• /
• pp.30-32
• /
• 1998

• The Bimonthly Magazine for Agrochemicals and Plant Protection
• /
• v.11 no.3 s.96
• /
• pp.84-92
• /
• 1990

• The Bimonthly Magazine for Agrochemicals and Plant Protection
• /
• v.4 no.12
• /
• pp.71-78
• /
• 1983

• Research in Plant Disease
• /
• v.28 no.2
• /
• pp.61-68
• /
• 2022

Powdery mildew and two-spotted spider mite are detrimental to strawberry plants and are controlled with traditional pesticides. To accommodate consumer demand, eco-friendly methods of pest control are required. Strawberries were cultivated (in soil and in a hydroponic system) for two years, and ultraviolet B (UV-B) irradiation was used as an alternative pest control during the harvesting season. Three varieties were grown (Seolhyang, Kingsberry, and Durihyang), and four UV-B lamp/mulch (black, green, and light reflection sheet [LRS]) combinations were used during harvesting: UV-B+black or green mulch, UV-B+black or green+LRS, no UV-B+black or green, and no UV-B+black or green+LRS. In all varieties, powdery mildew was 65% more controlled when UV-B irradiation was used. The adult two-spotted spider mite density was lowest in the UV-B lamp+black or green+LRS treatments. Therefore, UV-B irradiation during the strawberry harvesting season could effectively control powdery mildew and two-spotted spider mite with little side effect on the plants.

• Journal of Ginseng Culture
• /
• v.6
• /
• pp.51-79
• /
• 2024

In the 1970s and 1980s, during the nascent phase of ginseng disease research, efforts concentrated on isolating and identifying pathogens. Subsequently, their physiological ecology and pathogenesis characteristics were scrutinized. This led to the establishment of a comprehensive control approach for safeguarding major aerial part diseases like Alternaria blight, anthracnose, and Phytophthora blight, along with underground part diseases such as Rhizoctonia seedling damping-off, Pythium seedling damping-off, and Sclerotinia white rot. In the 1980s, the sunshade was changed from traditional rice straw to polyethylene (PE) net. From 1987 to 1989, focused research aimed at enhancing disease control methods. Notably, the introduction of a four-layer woven P.E. light-shading net minimized rainwater leakage, curbing Alternaria blight occurrence. Since 1990, identification of the bacterial soft stem rot pathogen facilitated the establishment of a flower stem removal method to mitigate outbreaks. Concurrently, efforts were directed towards identifying root rot pathogens causing continuous crop failure, employing soil fumigation and filling methods for sustainable crop land use. In 2000, adapting to rapid climate changes became imperative, prompting modifications and supplements to control methods. New approaches were devised, including a crop protection agent method for Alternaria stem blight triggered by excessive rainfall during sprouting and a control method for gray mold disease. A comprehensive plan to enhance control methods for Rhizoctonia seedling damping-off and Rhizoctonia damping-off was also devised. Over the past 50 years, the initial emphasis was on understanding the causes and control of ginseng diseases, followed by refining established control methods. Drawing on these findings, future ginseng cultivation and disease control methods should be innovatively developed to proactively address evolving factors such as climate fluctuations, diminishing cultivation areas, escalating labor costs, and heightened consumer safety awareness.

• Journal of Bio-Environment Control
• /
• v.21 no.2
• /
• pp.120-126
• /
• 2012

Two experiments were designed and executed to measure the effectiveness of the two-fluid fogging system in controlling whiteflies in tomato cultivation. The two-fluid fogging system that lowers temperature and raises humidity in greenhouses provides an eco-friendly method of preventing damages from whiteflies. The first experiment elucidated the effect of fogging treatment on the elimination of whiteflies and investigated the sectional distribution of whiteflies. The second experiment analyzed the vertical distribution, the motility of whiteflies and reduction of the number of whiteflies under the fogging system. The result of the experiments showed that the fogging system lowered the number of whiteflies and decreased their motility significantly. It affected the vertical distribution of whiteflies as well. Based on these experiments, we strongly recommend using the fogging system to prevent and control whiteflies in greenhouses, in addition to installing yellow sticky traps in the areas that have the highest density of whiteflies.

• Korean journal of applied entomology
• /
• v.62 no.3
• /
• pp.193-205
• /
• 2023

Botanical insecticides derived from plant extracts exhibit repellent, antifeedant and enzyme-inhibiting activities against insect pests. Among such pests, phytophagous mites are major threats to horticultural crops. Botanical extracts derived from neem, chrysanthemum, and shrubby sophora are employed as field acaricides. These botanical extracts have low toxicities against natural enemies of the insect pests and, thus, are valuable in pest management. This review focuses on the potential for botanical extracts in the controls of mites, with comparisons of the spectrum of activity, the lethal dose and times and their mode of action. This information will enable better formulation of botanical extracts in integrated mite control.

• The Bimonthly Magazine for Agrochemicals and Plant Protection
• /
• v.5 no.11
• /
• pp.10-16
• /
• 1984

금년도는 그야말로 풍년이다. 물론 결실기에 수해를 입은 일부 지역에 감수가 없었던 것은 아니지만 전국적으로 보아서는 금년도 쌀 목표 생산량 3,800만섬은 넘는다는 것이 모두의 이야기다. 금년에도 풍년을 이룩한데는 기상조건도 좋았겠지만 우연히 이루어진 것이 아니며 농민을 비롯한 모든 관계자들의 피땀어린 노력의 결정이라는 것은 누구도 부인할수가 없다. 물론 농정의 목표와 면밀한 시책의 수립 및 추진에도 힘입은바 크지만 그보다는 꾸준히 실천하고 노력한 농민들의 노고에 힘입은바 크다 .