JPS59128310A - Plant-parasitic nematode-combatting agent - Google Patents
Plant-parasitic nematode-combatting agentInfo
- Publication number
- JPS59128310A JPS59128310A JP123283A JP123283A JPS59128310A JP S59128310 A JPS59128310 A JP S59128310A JP 123283 A JP123283 A JP 123283A JP 123283 A JP123283 A JP 123283A JP S59128310 A JPS59128310 A JP S59128310A
- Authority
- JP
- Japan
- Prior art keywords
- urea
- condensate
- condensates
- slow
- parasitic nematode
- 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.)
- Pending
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
【発明の詳細な説明】
近年、特に問題となっている連作障害の主なる原因の一
つは植物寄生線虫によることが明らかになっている。従
来この作物有害線虫の防除剤としては、Ｄ−Ｄあるいは
ＢＤＢが代表的なものとして広く使用さルているが、こ
れらは人体に対して非常に有毒であり、最近特にその使
用については問題視されて−いる薬剤であり、植物に対
してもかなりの毒性を有する等の理由により、その取扱
いならびに施用には細心の注意を要するものである。[Detailed Description of the Invention] In recent years, it has become clear that one of the main causes of continuous cropping failure, which has become a particular problem, is caused by plant parasitic nematodes. Traditionally, D-D and BDB have been widely used as typical control agents for this crop-damaging nematode, but these are extremely toxic to the human body, and recently there has been a problem with their use. Due to the fact that it is highly toxic to plants, it requires extreme care when handling and applying it.
更に、こｎらの殺線虫剤は土壌中の有効天敵などを死滅
させ、土壌中の健全な微生物生態系を破壊してしまう欠
点がある。Furthermore, these nematicides have the disadvantage of killing effective natural enemies in the soil and destroying the healthy microbial ecosystem in the soil.
そこで本発明者らは少くとも人体に対して無毒であり且
つ経済的に実施しうる安価な植物寄生線虫防除剤を鋭意
研究の結果、緩効性肥料として広く使用されている尿素
とアルデヒドの縮合物即ちウレアホルム（ＵＰ）、アセ
トアルデヒドと尿素の縮合物（ＣＤＵ或いはＯＭＵＰ）
、イソブチルアルデヒドと尿素の縮合物（ＩＢ）等が、
意外にも植物寄生線虫に対する防除効果があることを発
見した。Therefore, the present inventors conducted intensive research to find an inexpensive plant parasitic nematode control agent that is at least non-toxic to the human body and can be implemented economically. Condensates: ureaform (UP), condensates of acetaldehyde and urea (CDU or OMUP)
, a condensate of isobutyraldehyde and urea (IB), etc.
Surprisingly, it was discovered that it has a control effect against plant parasitic nematodes.
この発見にもとづき、これら緩効性肥料を植物寄生線虫
の被害の予想される時に肥料兼線虫防除剤として使用す
ることの意義は大きい。こ几らの市販されている緩効性
肥料物質の構造式は下記のものであり、従来これ等構造
式のものは植物寄生線虫防除効果のあるとの報骨はなく
１本発明者らによって発見された事実である。Based on this discovery, it is of great significance to use these slow-release fertilizers as fertilizers and nematode control agents when damage by plant parasitic nematodes is expected. The structural formula of the commercially available slow-release fertilizer substance by Koori et al. is as shown below, and there has been no report that this structural formula is effective in controlling plant parasitic nematodes. This is a fact discovered by.
ウレアホルム（ＵＰ）の名称で緩効性肥料として市販さ
れているものはホルムアルデヒドと尿素トから製造され
ており、その構造式はメチレン２尿素（ＮＨ２Ｃ０ＮＨ
ＣＨ，ＮＨＣＯＮＨ，） 、及び２メチレン３尿Ｘ （
ＮＨ２Ｃ０ＮＨＣＨ，ＮＨＣＯＮＨＣＨ２ＮＨＣＯＮＨ
２） （７）混合物を主成分とするものである。これは
特公昭４゜−１２３１４号公報に開示されている主成分
が単量形のジメチロール尿素からなる尿素とホルムアル
デヒド縮合生成物を植物に対して有害な生物を防除する
方法との提案とは別のものである。The slow-release fertilizer sold under the name ureaform (UP) is made from formaldehyde and urea, and its structural formula is methylene diurea (NH2C0NH
CH, NHCONH, ), and 2 methylene 3 urine X (
NH2C0NHCH, NHCONHCH2NHCONH
2) (7) The main component is a mixture. This is different from the proposal disclosed in Japanese Patent Publication No. 4-12314, which proposes a method for controlling organisms harmful to plants using a condensation product of urea and formaldehyde, the main component of which is monomeric dimethylol urea. belongs to.
ＣＤＵの名称で緩効性肥料として市販されているものは
最初アセトアルデヒドの二分子縮合体であるクロトンア
ルデヒド（ＣＨ２Ｏ）ｌ＝ｃＭｃＨＯ）と尿素との縮合
体クロティリデンダイウレア
見られていたが、その後の研究で構造式は２−Ｏｘｏ−
４−Ｍｅｔｈｙｌ−２−０ｘｏ−４−ｈｅｘａｈｙｄｒ
。The product marketed as a slow-release fertilizer under the name CDU was initially seen as clotylidene diurea, a condensate of crotonaldehyde (CH2O)l=cMcHO), which is a bimolecular condensate of acetaldehyde, and urea; Subsequent research revealed the structural formula to be 2-Oxo-
4-Methyl-2-0xo-4-hexahydr
.
ｐｙｒ １ｍ１ｄ ｉｎｅ （ＯＭＵＰ ）１ ものである・。pyr 1m1d ine (OMUP )1 It's something.
ＩＢの名称で緩効性肥料として市販されているもと尿素
との縮合物であるイソブチリデンダイウレアルデヒド類
と尿素との縮合物の緩効性肥料物質としての提案は、現
在、市販されている前記３つの物質以外の下記のものが
あり、こ几らも植物寄生線虫防除効果があることが判明
した。即ち尿素とアセトアルデヒドの縮合物
尿素とグリオキザールとの縮合物即ちグリオキザールモ
ノウレイン（ｉンヒドロキシエチレン尿素）がある。The proposal for a condensate of isobutylidene diurealdehyde, which is a condensate with urea and is commercially available as a slow-release fertilizer under the name IB, and urea as a slow-release fertilizer substance is currently not commercially available. In addition to the above-mentioned three substances, the following substances were also found to be effective in controlling plant parasitic nematodes. That is, there is a condensate of urea and acetaldehyde, and a condensate of urea and glyoxal, that is, glyoxal monourein (in-hydroxyethylene urea).
実施例
サツマイモネコブセンテユウ汚染土壌ｌ＃をし７日間放
置後、残存センチュウ数をベルマン法（線虫の水中移動
性を利用した代表的な線虫数測定法）で測定した。実験
は３連の平均値である。Example After 1 # of soil contaminated with sweet potato nematodes was left for 7 days, the number of remaining nematodes was measured by Bellman's method (a typical method for measuring the number of nematodes that utilizes the mobility of nematodes in water). Experiments are average values of triplicates.
中 センテユウ曳は５０１土壌の頭数During ~ The number of Senteyuhiki is 501 soil.
Claims (1)
ことを特徴とする植物寄生線虫防除剤A plant parasitic nematode control agent characterized by containing a condensate of urea and an aldehyde having 4 or less carbon atoms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP123283A JPS59128310A (en) | 1983-01-10 | 1983-01-10 | Plant-parasitic nematode-combatting agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP123283A JPS59128310A (en) | 1983-01-10 | 1983-01-10 | Plant-parasitic nematode-combatting agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59128310A true JPS59128310A (en) | 1984-07-24 |
Family
ID=11495719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP123283A Pending JPS59128310A (en) | 1983-01-10 | 1983-01-10 | Plant-parasitic nematode-combatting agent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59128310A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999062337A3 (en) * | 1998-05-30 | 2000-04-06 | Cognis Deutschland Gmbh | Biogenic control and limitation of the reproduction of parasitic earth nematodes in stock culture |
-
1983
- 1983-01-10 JP JP123283A patent/JPS59128310A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999062337A3 (en) * | 1998-05-30 | 2000-04-06 | Cognis Deutschland Gmbh | Biogenic control and limitation of the reproduction of parasitic earth nematodes in stock culture |
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