JP3284404B2 - Anthelmintic for agricultural use - Google Patents
Anthelmintic for agricultural useInfo
- Publication number
- JP3284404B2 JP3284404B2 JP27668497A JP27668497A JP3284404B2 JP 3284404 B2 JP3284404 B2 JP 3284404B2 JP 27668497 A JP27668497 A JP 27668497A JP 27668497 A JP27668497 A JP 27668497A JP 3284404 B2 JP3284404 B2 JP 3284404B2
- Authority
- JP
- Japan
- Prior art keywords
- anthelmintic
- oil
- solution
- agricultural
- agricultural use
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、ニム油（マルゴ
サ油）から得られる農業用駆虫剤に関するものである。TECHNICAL FIELD The present invention relates to an anthelmintic for agricultural use obtained from nim oil (margosa oil).
【０００２】ここでニム油（マルゴサ油）とは、インド
及び東南アジア地域に広く分布する、通称ニムの樹（Ni
m Tree，Neem Tree ，Margosa Tree，インドセンダン，
学名Azadirachta ，Meria Indica）の実を搾油して得ら
れ、種々の薬効が認められるため、そのまま市販され、
また歯磨き、化粧品、医薬等に添加利用されているもの
である。[0002] Nim oil (Margosa oil) is a so-called Nim tree (Nimu tree) widely distributed in India and Southeast Asia.
m Tree, Neem Tree, Margosa Tree, Indian Gem,
(Azadirachta, Meria Indica) is obtained by squeezing the fruit, and various medicinal effects are recognized.
It is also used in toothpastes, cosmetics, medicines and the like.
【０００３】[0003]
【従来の技術】このニム油（ニムの実、葉）には、古く
から強力な駆虫効果（衣類、家屋等）が認められていた
ので、近年、農業用駆虫剤として利用する幾多の試みが
なされたが、全て失敗に終わった。2. Description of the Related Art A strong anthelmintic effect (clothing, house, etc.) has been recognized for a long time from this nym oil (nym nuts and leaves). It was done, but all failed.
【０００４】[0004]
【発明が解決しようとする課題】その理由は、ニム油又
はその希釈液をそのまま植物（農作物）に噴霧すると、
その駆虫効果（忌避効果）は維持されるものの、植物の
成長が阻害され、または植物が枯死してしまうためであ
る。The reason is that, when nim oil or a diluent thereof is sprayed on a plant (crop) as it is,
This is because while the anthelmintic effect (repellent effect) is maintained, the growth of the plant is inhibited or the plant dies.
【０００５】そこで本発明者は、ニム油中に含まれる駆
虫効果のある物質（成分）と、植物の成長を阻害する物
質（成分）とは、別のものであるという前提（観点）に
立ち、種々の試験を繰り返した結果、ニム油中から植物
の成長を阻害する物質（成分）のみを分離除去する方法
を発見して本発明を完成した。Therefore, the present inventor presupposes that the substance (component) having an anthelmintic effect contained in the nym oil and the substance (component) inhibiting plant growth are different (viewpoint). As a result of repeating various tests, the present inventors have found a method of separating and removing only substances (components) that inhibit plant growth from nym oil and completed the present invention.
【０００６】[0006]
【課題を解決するための手段】この発明は、以上の欠点
を解決するためになされたもので、下記の請求項１〜請
求項３により構成されている。 ＜請求項１＞ ニム油（マルゴサ油）中の弱アルカリ性
水溶液溶解物、及び水とアセトンの混合液溶解物を除去
したことを特徴とする農業用駆虫剤。 ＜請求項２＞ 弱アルカリ性水溶液が、炭酸水素ナトリ
ウム溶液である請求項１に記載する農業用駆虫剤。 ＜請求項３＞ 請求項１又は請求項２で得られる農業用
駆虫剤に、さらに非イオン界面活性剤を添加したことを
特徴とする農業用駆虫薬剤。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks, and is constituted by the following claims 1 to 3. <Claim 1> An anthelmintic for agricultural use, wherein a solution of a weakly alkaline aqueous solution in nim oil (margosa oil) and a mixture of water and acetone are removed. <Claim 2> The anthelmintic agent for agricultural use according to claim 1, wherein the weakly alkaline aqueous solution is a sodium bicarbonate solution. <Claim 3> An agricultural anthelmintic agent, wherein a nonionic surfactant is further added to the agricultural anthelmintic agent obtained in claim 1 or 2.
【０００７】この発明は、前記（請求項１及び請求項
２）したように、ニム油（マルゴサ油）中の、弱アル
カリ性水溶液溶解物を除去すること、及び水とアセト
ンの混合液溶解物を除去すること、の２構成要件から成
り立っている。According to the present invention, as described above (claim 1 and claim 2), a weak alkaline aqueous solution dissolved in a nim oil (margosa oil) is removed, and a mixed solution of water and acetone is dissolved. And removing it.
【０００８】そして、のニム油中から弱アルカリ性水
溶液溶解物を除去する（ニム油を弱アルカリ性水溶液で
洗浄する）ことにより、主としてニム油中から脂肪酸類
（ジカルボン酸類を含む）及び有機酸類が除去されるも
のと推定される。[0008] Then, fatty acid (including dicarboxylic acids) and organic acids are mainly removed from the nym oil by removing the dissolved solution of the weakly alkaline aqueous solution from the nym oil (washing the nym oil with a weakly alkaline aqueous solution). It is estimated that
【０００９】またの水とアセトンの混合液溶解物を除
去する（ニム油を水とアセトンの混合液溶で洗浄する）
のは、のみでも植物の成長を阻害する物質（成分）の
大部分が除去されるが、さらに完全に植物の成長を阻害
する物質（成分）を除去するためである。[0009] Further, the dissolved matter of the mixed solution of water and acetone is removed (the nym oil is washed with the mixed solution of water and acetone).
This is because the substance (component) that inhibits plant growth is mostly removed by itself, but the substance (component) that inhibits plant growth is completely removed.
【００１０】この発明の請求項３に記載した非イオン界
面活性剤を添加する理由は、請求項１又は請求項２によ
り得られた農業用駆虫剤の保存中の安定化、及び後述す
る農作物へ希釈・散布する際の農業用駆虫剤の分散を良
好にするためである。[0010] The reason for adding the nonionic surfactant according to claim 3 of the present invention is that the insecticide for agricultural use obtained according to claim 1 or 2 is stabilized during storage, and to the crop described below. This is for improving the dispersal of the agricultural anthelmintic during dilution and spraying.
【００１１】この発明に用いられる非イオン界面活性剤
としては、脂肪酸モノグリセリド、蔗糖脂肪酸エステ
ル、ソルビタン脂肪酸エステル等、なるべく環境に悪影
響を及ぼさないものであればその種類を問わないが、下
記に記載する天然乳化剤も用いられる。The nonionic surfactant used in the present invention is not particularly limited as long as it does not adversely affect the environment as much as possible, such as fatty acid monoglyceride, sucrose fatty acid ester and sorbitan fatty acid ester. Natural emulsifiers are also used.
【００１２】Soap nut（Soap berry，ムクロジ，Sapind
us trifoliatus syn. Sapindus emarginatus）の果実か
ら種を除き、その果肉を潰す。これに９０℃の湯を加え
１５分間抽出した後、ろ過する。粕を絞って加えた濾液
を濃縮して天然乳化剤（水分約５％）として使用する。Soap nut (Soap berry, mukuroji, Sapind
The seeds of the fruit of us trifoliatus syn. Sapindus emarginatus) are removed and their pulp crushed. After adding hot water at 90 ° C. to the mixture and extracting for 15 minutes, the mixture is filtered. The filtrate added by squeezing the cake is concentrated and used as a natural emulsifier (water content: about 5%).
【００１３】この発明によって得られる農業用駆虫薬剤
により駆虫（駆除）される農作物の害虫の種類は次のと
おりである。 ＊アサミウマ虫（Tenio trips setiventris ） ＊群生毛虫（Andraca Bipunctata） ＊シャクトリ虫（Biston suparessaria ） ＊ナメクジ（Eterusia nifica ） ＊赤錆病虫（Cephaleuros parasiticus ） ＊黒枯れ病虫（Corticium ） ＊水泡病虫（Exobasidium vexans） ＊赤蜘蛛（Oligony coffeae ） ＊ヘロペルチス（Helopeltis theivora ） ＊白蟻（Termites） 白蟻の場合、成木への散布によっても、白ありの駆除に
は効果が認められないが、幼木への散布により、成木に
至っても白蟻に対する免疫性が認められた。The types of pests of agricultural crops that are exterminated (killed) by the agricultural anthelmintic agent obtained according to the present invention are as follows. * Assembly insects (Tenio trips setiventris) * Communist caterpillars (Andraca Bipunctata) * Shakutori insects (Biston suparessaria) * Slugs (Eterusia nifica) * Red rust insects (Cephaleuros parasiticus) * Black wilt insects (Corticium) * Vexans) * Red spider (Oligony coffeae) * Heropeltis (Helopeltis theivora) * Termites In the case of termites, spraying on adult trees is not effective in controlling whitening, but spraying on young trees As a result, immunity against termites was observed even in adult trees.
【００１４】またこの発明によって得られる農業用駆虫
薬剤により駆虫（駆除）されない有用虫（昆虫類）は次
のとおりである。 ＊青蠅以外の蠅類 ＊蜜蜂（蜜蜂は非常に有用であるから、駆除されないの
は特記するに値する） ＊捕食性昆虫類 ＊その他植物組織を食しない昆虫類及び生物The useful insects (insects) which are not exterminated (killed) by the agricultural anthelmintic agent obtained by the present invention are as follows. * Flies other than blue fly * Honeybees (Honeybees are very useful, so it is worth noting that they are not controlled) * Predatory insects * Other insects and organisms that do not eat plant tissue
【００１５】この発明によって得られる農業用駆虫薬剤
を散布して、その成長に影響を与えないことが確認され
た農作物は次のとおりである。 ＊各種茶類 ＊オレンジ等の柑橘類 ＊りんごの樹各種 ＊水稲The following crops have been confirmed to be sprayed with the anthelmintic agent for agriculture obtained according to the present invention and not to affect their growth. * Various teas * citrus such as orange * various apple trees * paddy rice
【００１６】[0016]
＜実施例＞下記の操作により、市販のニム油から、この
発明に係る農業用駆虫剤を得た。 （１）市販のニム油に、２倍量の５％炭酸水素ナトリウ
ム溶液を加え、２０℃で十分攪拌し、その後静置して、
下層を捨てる。 （２）更に純水を加え同様に操作した後、下層を捨て
る。この工程は下層の溶液にアルカリ反応が消失するま
で繰り返す。 （３）得られたニム油に２倍量の１０％アセトン溶液を
加え、（１）と同様に操作した後、残存している微量の
アセトンを減圧留去する。 （４）得られたニム油をろ過する（状況により加圧ろ過
する）。 （５）前記 Soap nutより得られた天然乳化剤を、得ら
れたニム油に、３％添加する。<Example> An agricultural insecticide according to the present invention was obtained from commercially available nym oil by the following procedure. (1) To a commercially available nim oil, add twice the amount of a 5% sodium hydrogen carbonate solution, stir well at 20 ° C., and then stand still
Discard the lower layer. (2) After adding pure water and performing the same operation, the lower layer is discarded. This step is repeated until the alkaline reaction in the lower layer solution disappears. (3) A double volume of a 10% acetone solution is added to the obtained nim oil, and the same operation as in (1) is performed, and the remaining trace amount of acetone is distilled off under reduced pressure. (4) The obtained nym oil is filtered (pressure-filtered depending on the situation). (5) 3% of the natural emulsifier obtained from the soap nut is added to the obtained nim oil.
【００１７】＜農作物への試験例＞面積５エーカーに、
約３０，０００本の茶の木（Camellia sinensis ）が栽
培されている茶園で試験した。栽培されている茶の木を
半分に分け、前記実施例でニム油から得られた農業用駆
虫剤を散布したもの(TRT) と散布しないもの(CON) を栽
培し、昆虫に害された木の本数を調査した。<Test Example for Agricultural Products> On an area of 5 acres,
The test was conducted in a tea plantation where about 30,000 tea trees (Camellia sinensis) were grown. The cultivated tea tree is divided into halves, and those that have been sprayed with the insecticide for agriculture obtained from nim oil in the above example (TRT) and those that are not sprayed (CON) are cultivated. Was investigated.
【００１８】結果は、昆虫に害された木の本数を勘定
し、全体の茶の木の本数に対する百分率で表した。 （１）散布条件 （イ）散布量：駆虫剤 １．５（Ｌ）／１エーカー なお、前記駆虫剤は水で約２００倍に希釈して散布し
た。 （ロ）散布頻度：２０日の間隔をおいて、２回散布した
後、２カ月間放置する周期を６年間継続した。 （２）結果The results were calculated by counting the number of trees harmed by insects and expressed as a percentage of the total number of tea trees. (1) Spraying conditions (A) Spraying amount: insecticide 1.5 (L) / 1 acre The insecticide was diluted about 200 times with water and sprayed. (B) Spraying frequency: After spraying twice at intervals of 20 days, the cycle of standing for 2 months was continued for 6 years. (2) Result
【００１９】[0019]
【表１】 [Table 1]
【００２０】表１の数字は、害虫により害された木の、
全体の木に対する百分率（％）である。The numbers in Table 1 indicate the number of trees that have been damaged by pests.
It is a percentage (%) of the whole tree.
【００２１】表１の結果によれば、この発明に係る農業
用駆虫剤を散布したものは、年々害虫に侵される木が顕
著に減少していることがわかる。According to the results shown in Table 1, it can be seen that, when the agricultural pesticide according to the present invention is applied, the number of trees affected by pests is remarkably reduced year by year.
【００２２】[0022]
【発明の効果】この発明によれば以上のように構成した
ので、非常に有効な農業用駆虫剤が、環境を破壊するこ
とがない天然物のみから得られるという効果を有する。As described above, according to the present invention, a very effective agricultural insecticide can be obtained only from natural products that do not destroy the environment.
フロントページの続き (73)特許権者 597142941 ＤＩＧＡＮＴＩＫＡ−Ｆ／10 ＡＨ−Ｂ ＬＯＣＫ ＳＥＣＴＯＲ ＩＩ ＳＡＬ Ｔ ＬＡＫＥ ＣＡＬＣＵＴＴＡ−700 091 ＩＮＤＩＡ (72)発明者 サブヘンドゥ ナラヤン ガングリー インド カルカッタ−700 091 ソルト レイク エイエッチ−ブロック セク ター ＩＩ ディガンチカ−エフ／10 (56)参考文献 国際公開96／39181（ＷＯ，Ａ１) (58)調査した分野(Int.Cl.7，ＤＢ名) A01N 65/00 A01N 25/30 Continued on the front page (73) Patentee 597142941 DIGANTIKA-F / 10 AH-B LOCK SECTOR II SALT LAKE CALCUTTA-700 091 INDIA (72) Inventor Subhend Narayan Gangly India Calcutta 700 091 Salt Lake ETCH II Digantica-F / 10 (56) Reference WO 96/39181 (WO, A1) (58) Fields investigated (Int. Cl. 7 , DB name) A01N 65/00 A01N 25/30
Claims (3)
水溶液溶解物、及び水とアセトンの混合液溶解物を除去
したことを特徴とする農業用駆虫剤。1. An anthelmintic for agricultural use, wherein a solution of a weakly alkaline aqueous solution in nim oil (margosa oil) and a solution of a mixed solution of water and acetone are removed.
ウム溶液である請求項１に記載する農業用駆虫剤。2. The anthelmintic according to claim 1, wherein the weakly alkaline aqueous solution is a sodium bicarbonate solution.
駆虫剤に、さらに非イオン界面活性剤を添加したことを
特徴とする農業用駆虫薬剤。3. An anthelmintic agent for agricultural use, characterized in that a nonionic surfactant is further added to the anthelmintic agent for agricultural use obtained in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27668497A JP3284404B2 (en) | 1997-09-25 | 1997-09-25 | Anthelmintic for agricultural use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27668497A JP3284404B2 (en) | 1997-09-25 | 1997-09-25 | Anthelmintic for agricultural use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1192324A JPH1192324A (en) | 1999-04-06 |
| JP3284404B2 true JP3284404B2 (en) | 2002-05-20 |
Family
ID=17572887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27668497A Expired - Lifetime JP3284404B2 (en) | 1997-09-25 | 1997-09-25 | Anthelmintic for agricultural use |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3284404B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100777253B1 (en) * | 2005-11-08 | 2007-11-28 | 주식회사 바이넥스 | Anthelmintic composition for fish parasite using natural plant extracts |
-
1997
- 1997-09-25 JP JP27668497A patent/JP3284404B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1192324A (en) | 1999-04-06 |
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