Abstract:
PURPOSE: An agent containing Coptis chinensis roots or extract thereof is provided effectively suppress gray mold rot and powdery mildew in strawberries. CONSTITUTION: An agent for preventing plant diseases including gray mold rot and powdery mildew in strawberries contains Coptis chinensis roots or extract thereof as an active ingredient. The extract is prepared by adding ethanol to Coptis chinensis roots or by adding water to Coptis chinensis roots, extracting at 80-120°C using a hot water reflux device for 2-3 days, centrifuging, and decompressing the supernatant. The agent further contains sulfur and natural soap.
Abstract:
본 발명은 가바성분 추출을 위한 추출용매로서의 신규한 용도를 갖는 양조식초 및 가바성분을 함유한 양조식초에 관한 것으로, 보다 상세하게는 식물체에 함유된 가바성분을 효율적으로 추출할 수 있을 뿐만 아니라 인체에 무해한 추출용매로서의 신규한 용도를 갖는 양조식초 및 이를 이용하여 얻은 가바성분을 함유한 양조식초에 관한 것이다. 본 발명에 따른 가바성분 추출을 위한 추출용매로서의 신규한 용도를 갖는 양조식초는, 아세트산 발효로 생성되며, 가바성분을 함유한 식물체로부터 가바성분을 추출하기 위한 추출용매로 이용되는 것을 특징으로 한다. 또한, 본 발명에 따른 가바성분을 함유한 양조식초는, 아세트산 발효로 생성된 양조식초에 가바성분을 함유한 식물체를 침지시켜 상기 식물체로부터 가바성분을 추출하고, 가바성분이 추출된 식물체를 가바성분이 용해된 용액으로부터 분리 및 여과하여 얻은 것을 특징으로 한다.
Abstract:
PURPOSE: An agent for preventing rice plant pest containing Melia azeldarach extract is provided to produce rice plant of high quality with low toxicity. CONSTITUTION: An agent for preventing rice plant pest contains Melia azeldarach extract as an active ingredient. The agent simultaneously prevents Lissorhoptrus oryzophilus, Chlorops oryzae Matsumura, and Agromyza oryzae. The agent is prepared in a form of particles or microspheres by spraying the extract to zeolite and coating with kaolin. A method for preventing the rice plant pest comprises a step of spraying the agent to nursery beds.
Abstract:
PURPOSE: A Pseudomonas sp. NJ134 having an activity of preventing plant diseases is provided to suppress disease occurrence and to enhance crop yield. CONSTITUTION: A Pseudomonas sp. NJ134 has an activity of preventing plant diseases. The Pseudomonas sp. NJ134 has 16S rDNA sequene of sequence number 1. An agent for preventing plant diseases contains Pseudomonas sp. NJ134 or culture medium thereof as an active ingredient.
Abstract:
The present invention relates to a haulm pellet fertilizer and manufacturing method thereof, and comprises 70-95 wt% of haulm powder and 5-30 wt% of organic fertilizers containing 0.8-5 wt% of nitrogen, and is processed by an enzyme, thereby improving the solubility of a pellet fertilizer and providing excellent material properties such as strength, grinding ability, gumminess, etc. and supply ability of fertilization nourishment. [Reference numerals] (AA) Haulm + 10% of mugwort; (BB) Haulm + 10% of timber; (CC) Haulm + 10% of red clay; (DD) Haulm + 10% of green manure; (EE) Haulm + 10% of water supply
Abstract:
PURPOSE: An agent for preventing strawberry pest is provided to lower toxicity and to produce strawberry of high quality. CONSTITUTION: An agent for preventing strawberry pest contains 30-50 wt% of Melia azeldarach extract, 30-40 wt% of Coptis Chinensis FRANCH root extract, 5-15 wt% of sulfur, and 10-20 wt% of liquid disinfection soap. The agent is formed in liquid phase. The agent is used for preventing grey mould, cotton aphid, and spider mite.