KR810000496B1 - The composition of controlling weeds - Google Patents

The composition of controlling weeds Download PDF

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KR810000496B1
KR810000496B1 KR7602536A KR760002536A KR810000496B1 KR 810000496 B1 KR810000496 B1 KR 810000496B1 KR 7602536 A KR7602536 A KR 7602536A KR 760002536 A KR760002536 A KR 760002536A KR 810000496 B1 KR810000496 B1 KR 810000496B1
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composition
rice
herbicide
active ingredient
weeds
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KR7602536A
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Korean (ko)
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죠오단 도놀드
커어비 피이터
아란 레이분 크라이브
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아드리아누스 피이터어 피이에로앤
셀 인터나쵸 나아레 레사아치 마아츠샤피 비이부이
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N31/00Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
    • A01N31/08Oxygen or sulfur directly attached to an aromatic ring system
    • A01N31/14Ethers

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Herbicide for rice plant was composed of (a) 2,6-dichlorobenzyl(2,2-dimethyl-4-ethyl-1,3-dioxorane-4-yl)methyl ether and (b) 2,4,-dichlorophenyl-3'-methoxy-4-'-nitrophenyl ether with 1:4 - 4:1 wt. ratio. This composition was applied in sowed rice plant after 5-20 day of germination. Useful amount of composition is 0.2-5.0 kg/ha.

Description

제초제 조성물Herbicide composition

본 발명은 벼작물, 특히 이앙된 벼작물 사이에 자생하는 잡초의 제초제 조성물에 관한 것이다.FIELD OF THE INVENTION The present invention relates to herbicide compositions of weeds native to rice crops, especially among rice transplanted.

본 발명은 유효성분으로서 (a) 2,6-디클로로벤질(2,2-디메틸-4-에틸-1,3-디옥소란-4-일) 메틸에테르, 및 (b)2,4-디클로로페닐 3'-메톡시-4'-니트로페닐 에테르를 함유함을 특징으로 하는 벼작물 사이에 자생하는 잡초의 제초성 조성물을 제공한다.The present invention provides (a) 2,6-dichlorobenzyl (2,2-dimethyl-4-ethyl-1,3-dioxolan-4-yl) methylether as an active ingredient, and (b) 2,4-dichloro A herbicidal composition of weeds native to crops characterized by containing phenyl 3'-methoxy-4'-nitrophenyl ether is provided.

또한 본 발명은 벼의 중간 성장기, 즉 벼종자의 발아후 또는 벼식물의 이앙 후 5-10일이 경과한 후에 본 발명의 조성물을 제초 유효량으로 적응시킴을 특징으로 하는 벼작물 사이에 자생하는 잡초의 제초방법을 제공한다.The present invention also provides weeds that grow natively between rice crops characterized by adapting the composition of the present invention to an herbicidally effective amount after 5-10 days after the mid-growth period of rice, that is, after germination of rice seeds or after transplanting of rice plants. It provides a method of weeding.

일반적으로 벼작물의 경작은 2가지의 기본방법, 즉 벼의 묘종을 이앙하거나 건조한 토지 또는 묘판에 벼종자를 파종하여 행하여 진다. 특히 본 발명의 제초제 조성물은 이앙된 벼작물에 적합하며 조성물의 적용은 벼의 묘종을 이앙 후 5-15일 사이에 행하는 것이 적합하고, 이러한 조건일 때 일반 잡초와 다수 광엽 잡초의 만족할 만한 제초 효과가 얻어진다.Generally, cultivation of rice crops is carried out by two basic methods: seeding rice seedlings or sowing rice seeds on dry land or seedlings. In particular, the herbicide composition of the present invention is suitable for rice plants which are transplanted, and the application of the composition is suitable to carry out rice seedlings between 5-15 days after transplanting, and under such conditions, satisfactory herbicidal effects of common weeds and many broadleaf weeds Is obtained.

파종된 벼일 경우, 조성물의 적용은 발아후 5-20일 사이에 행하는 것이 좋으나, 가급적이면 벼생장 토지의 묘판형성 전에 행하는 것이 적합하다. 자연적으로 수중 파종 벼일 경우에는 이것이 불가능하며, 다음에 수면을 조성물로 직접 처리해야 한다. 물론 만족스런 제초효과를 나타내기에 필요한 본 발명에 따른 조성물중 유효성분이 용량은 잡초의 만연 상태에 따라 다르지만, 일반적으로 0.2-5.0kg/ha 범위의 용량, 적합하기로는 0.5-1.0kg/ha 범위일 때 벼작물에 유해함이 없이 제초효과를 나타낸다.In the case of seeded rice, the application of the composition is preferably carried out between 5-20 days after germination, but preferably before the seedling formation of the rice growing land. This is not possible with naturally sown rice plants, and then the water surface must be treated directly with the composition. Of course, the dose of the active ingredient in the composition according to the present invention necessary to exhibit a satisfactory herbicidal effect depends on the prevailing state of the weeds, but generally in the range of 0.2-5.0kg / ha, suitably 0.5-1.0kg / ha range When no herbicide is harmful to herbicides.

본 발명의 조성물중 유효성분(b)에 대한 유효성분(a)의 중량비는 광범위하지만, 일반적으로 1 : 4-4 : 1 범위의 중량비가 효과적인 것으로 밝혀졌다.Although the weight ratio of the active ingredient (a) to the active ingredient (b) in the composition of the present invention is wide, it is generally found that a weight ratio in the range of 1: 4-4: 1 is effective.

물론, 제초적으로 유효한 화합물은 벼작물에 직접 사용할 수 있지만, 통상의 경우처럼 보다 양호한 결과는 유효성분, 담체 또는 표면 활성제나 담체와 표면 활성제의 양자를 함유한 조성물의 형태로 사용할 때에 얻어진다.Of course, herbicidally effective compounds can be used directly in rice crops, but better results are obtained when used in the form of an active ingredient, a carrier or a composition containing both a surface active agent and both a carrier and a surface active agent.

제초제를 적용하는 제형은 통상의 것이면 어느 하나를 사용할 수 있으나, 이앙된 벼일 경우에는 유효성분을 함유한 입제를 사용하는 것이 편리하다.Formulation to apply the herbicide can be used as long as it is a conventional one, in the case of rice transplanted it is convenient to use a granule containing an active ingredient.

이러한 입제는 유효성분을 0.5-18중량%로 함유하며, 그 시브(sieve) 크기는 0.0098인치(메쉬크기 60)-0.042인치(메쉬크기 14) 범위이다. 입제는 편의상 담체로서 탈크와 같은 벤토나이트 및 표면활성제로서 데실 벤토나이트 설포네이트(HS85)를 함유하며, 통상적으로 응집법에 의해 조제될 수 있다.These granules contain 0.5-18% by weight of active ingredient and their sieve sizes range from 0.0098 inches (mesh size 60) to 0.042 inches (mesh size 14). The granules contain bentonite such as talc as a carrier for convenience and decyl bentonite sulfonate (HS85) as a surfactant, and can usually be prepared by a flocculation method.

이와 달리, 특히 수중 파종벼일때는 분무할 수 있는 제형, 예컨대 희석된 유제를 사용해야한다.Alternatively, sprayable formulations such as diluted emulsions should be used, especially when sowing in water.

본 발명의 조성물은 트리아진과 같은 유효성분(a) 및 (b)와 병용할 수 있는 제3의 제초제를 추가할 수 있다.The composition of this invention can add the 3rd herbicide which can be used together with active ingredients (a) and (b), such as a triazine.

이하 실시예에 의하여 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the following examples.

[실시예]EXAMPLE

직경 9cm 및 깊이 9cm의 유리포트 여러개를 토양으로 채우고, 물로 충분히 적신후 논에서 흔히 발견되는 잡초인 모노코리아 바지나리스(Monochoria Vaginalis)의 종자를 각 포트마다 토양위에 뿌리고 물의 깊이를 토양 수준위에 2cm로 되게 유지시켰다.Fill several glass pots with a diameter of 9 cm and a depth of 9 cm with soil, soak them thoroughly with water, and sprinkle the seeds of Monochoria Vaginalis, a weed commonly found on rice paddies, on each soil. I kept it.

다음 각 포트에 파종하고 13일 경과후 다음표에 따른 중량비와 용량으로 유효성분(a) 및 (b)를 함유한 아세톤/물의 용액 10ml로 처리하였다.Then, 13 days after seeding in each pot was treated with 10 ml of acetone / water solution containing the active ingredients (a) and (b) in the weight ratio and capacity according to the following table.

Figure kpo00001
Figure kpo00001

처리후 효과판정은 처리하고 11일 경과 후에 행하였다. 잡초에 대한 식물 독성은 각 용량에 대하여 육안으로 판정하였고, 결과에 대하여서는 컴퓨터로 종합하여 성장억제 용량을 산출한 결과 잡초의 성장 감소율 90%(GID90)를 나타냈다.After treatment, the effect determination was made 11 days after the treatment. Phytotoxicity against weeds was visually determined for each dose, and the results showed that the growth inhibition rate was 90% (GID 90 ).

그 결과는 다음표에 표시된 바와 같다.The results are shown in the following table.

Figure kpo00002
Figure kpo00002

상기표의 결과로 부터 알 수 있는 바와 같이, 혼합물 중 각 유효성분은 상승효과를 나타냈으며, 특히 (a) : (b)의 중량비가 1 : 1-1 : 3범위일 때 모노코리아 바지나리스에 대하여 만족할 만하게 현저한 제초효과를 나타낸다.As can be seen from the results of the above table, each of the active ingredients in the mixture showed a synergistic effect, especially for mono-Korea pannaris when the weight ratio of (a): (b) was in the range of 1: 1-1: 3 It has a satisfactory remarkable herbicidal effect.

Claims (1)

유효성분으로서 1 : 4 내지 4 : 1 범위의 중량비의(a)2,6-디클로로벤질 (2,2-디메틸-4-에틸-1,3-디옥소란-4-일)메틸 에테르 및 (b)2,4-디클로로페닐 3'-메톡시-4'-니트로페닐 에테르를 함유함을 특징으로 하는 벼작물용 제초제 조성물.(A) 2,6-dichlorobenzyl (2,2-dimethyl-4-ethyl-1,3-dioxolan-4-yl) methyl ether in a weight ratio ranging from 1: 4 to 4: 1 as an active ingredient and ( b) A herbicide composition for rice crops characterized by containing 2,4-dichlorophenyl 3'-methoxy-4'-nitrophenyl ether.
KR7602536A 1976-10-12 1976-10-12 The composition of controlling weeds KR810000496B1 (en)

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