JPS6338964B2 - - Google Patents

Info

Publication number
JPS6338964B2
JPS6338964B2 JP4428581A JP4428581A JPS6338964B2 JP S6338964 B2 JPS6338964 B2 JP S6338964B2 JP 4428581 A JP4428581 A JP 4428581A JP 4428581 A JP4428581 A JP 4428581A JP S6338964 B2 JPS6338964 B2 JP S6338964B2
Authority
JP
Japan
Prior art keywords
female
grape
hydroxy
beetles
insects
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
Application number
JP4428581A
Other languages
Japanese (ja)
Other versions
JPS57158709A (en
Inventor
Kenji Ishii
Kikuo Iwabuchi
Jiro Takahashi
Tsutomu Sakai
Kimiko Nakajima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suntory Ltd
Original Assignee
Suntory Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suntory Ltd filed Critical Suntory Ltd
Priority to JP4428581A priority Critical patent/JPS57158709A/en
Publication of JPS57158709A publication Critical patent/JPS57158709A/en
Publication of JPS6338964B2 publication Critical patent/JPS6338964B2/ja
Granted legal-status Critical Current

Links

Description

【発明の詳細な説明】[Detailed description of the invention]

本発明は、ぶどう害虫ブドウトラカミキリの雌
の誘引剤に関する。 ブドウトラカミキリは、晩秋、ぶどうの芽の附
近に産みつけられた卵からかえると、直ちにぶど
うの芽等の柔かい部分を食い破つて枝の中に入
る。そして、数カ月間ぶどうの枝の中で成長し、
6月頃には蛹となり、やがて成虫となつて、8月
頃枝の中から出て、飛び立つ。 従つて、これらの害虫を駆除するには、その卵
の孵化を阻害するか、もしくは枝の中の幼虫を死
滅させるか、又は、休息中の成虫を死滅させる
か、もしくは飛んでいる成虫を駆逐する等の手段
をとる必要がある。 しかし、卵の表面に附着し卵の殼を浸透するほ
ど、又は孵化時まで残留するほど強力な薬剤を散
布することは、卵の時期が丁度ぶどうの収穫時期
に一致するため好ましくない。また、この時期を
外して、枝の中の幼虫を殺すとしても、枝の外皮
から浸透し、ぶどうの枝に害を与えることなく、
中の幼虫だけを死滅させる薬剤は、まだ、発明さ
れていない。 また、成虫を対象としても、ぶどうの枝等に休
息する成虫を死滅させるため薬剤を使用すること
は、成虫がいる時期が、ぶどうの葉の繁茂期であ
り、またぶどうの実の成育期であつて好ましくな
い。 本発明者らは、効果的なぶどう害虫の防除方法
について、種々検討を重ねた結果、性フエロモン
を用いて、雌虫の受精を阻害することが最もよい
方法であるとの結論に達し、ブドウトラカミキリ
の行動を詳細に観察した結果、5cm以上の距離で
は、雌虫が雄虫に誘引され、5cm以下の距離で
は、雄虫が雌虫に誘引されていることをつきとめ
た。 本発明者らは、かかる観察の結果に基づき、種
種の化学物質について、ぶどう害虫のブドウトラ
カミキリの雌の誘引性を調査した結果、下記一般
式〔1〕で表わされる(2S,3S)―アルカンジ
オール及びまたは下記の一般式〔2〕で表わされ
る(2S)―ヒドロキシ―3―アルカノンが、雌
ブドウトラカミキリを誘引することを発見し、本
発明を完成するに到つた。 ここで、R1及びR2は、それぞれ炭素数3〜7
の直鎖又は分枝のあるアルキル基を示す。 これらの化合物の雌ブドウトラカミキリ誘引特
性は、(2S,3S)―ジオール構造及びまたは
(2S)―ヒドロキシ―3―ケトン構造に基づくも
のと考えられ、R1およびR2がn―アミルである
(2S,3S)―オクタンジオールおよび(2S)―ヒ
ドロキシ―3―オクタノンを中心に、炭素数6個
から10個までの範囲の(2S,3S)―アルカンジ
オール及びまたは(2S)―ヒドロキシ―3―ア
ルカノンに雌ブドウトラカミキリ誘引性が認めら
れた。 (2S,3S)―オクタンジオールは、次式〔3〕
で表わされる構造と、次に示される物性を有する
新規な化合物であつて、本発明者らによつて初め
て合成されたものである。 物性 無色油状物質 旋光度:〔2〕23 D−19.2゜(CHCl3中) IR:3380cm-1(OH) 13C―NMR:2CH3(13.72,19.10)、4―CH2
―(22.34,25.10,31.68,32.94)、2―
CH―O―(70.52,75.81) 1H―NMR:δ0.90(3H,t,J=6.7Hz)、
1.19(3H,d,J=6.3Hz)、2.01(1H,d,
J=5.9Hz)、2.07(1H,d,J=5.9Hz)、
3.33(1H,m)、3.59(1H,m) MS:m/e55(100%)、83(59)、41(24)、43
(22)、45(22)、57(15)、101(6)、75(4) (2S)―ヒドロキシ―3―オクタノンは、次
式〔4〕で表わされる構造を有する化合物で、本
発明者らによつて合成されたものの物性は、次の
とおりであつた。 物性 無色油状物質 旋光度:〔2〕23 D+37.3゜(CHCl3中) IR:3440,1715,1120cm-1 13C―NMR:2CH3(13,76,19,73)、4―
CH2―(22.30,23.21,31.31,37.42)、―
CH―O(72.50)、
TECHNICAL FIELD The present invention relates to an attractant for females of the grape pest Grapevine longhorn beetle. Grape beetles hatch from eggs laid near grape buds in late autumn, and immediately bite through the soft parts of the grape buds and enter the branches. It grows inside the vine for several months,
It becomes a pupa around June, and eventually becomes an adult, which emerges from the branches around August and takes flight. Therefore, to control these pests, either prevent the eggs from hatching, kill the larvae in the branches, kill the resting adults, or destroy the flying adults. It is necessary to take measures such as However, it is undesirable to spray a chemical so strong that it adheres to the surface of the eggs and penetrates the shell of the eggs, or that it remains until hatching, since the egg harvesting period coincides with the grape harvesting period. Also, if you kill the larvae inside the branches outside of this period, they will penetrate through the outer skin of the branches and will not harm the vines.
A drug that kills only the larvae inside has not yet been invented. In addition, even when targeting adults, it is important to use chemicals to kill adult insects resting on grape branches, etc., when the adult insects are present when the grape leaves are in full bloom and when the grape berries are growing. Hot and undesirable. The present inventors have conducted various studies on effective methods of controlling grape pests, and have come to the conclusion that the best method is to use sex pheromones to inhibit the fertilization of female insects. As a result of observing the behavior of tiger beetles in detail, they found that female beetles are attracted to male beetles at a distance of 5 cm or more, and male beetles are attracted to female beetles at a distance of 5 cm or less. Based on the results of such observations, the present inventors investigated the attractiveness of various chemical substances to females of the grapevine pest insect, the grapevine longhorn beetle, and found that the following general formula [1] (2S, 3S) - It was discovered that an alkanediol and/or a (2S)-hydroxy-3-alkanone represented by the following general formula [2] attracts female grape beetles, leading to the completion of the present invention. Here, R 1 and R 2 each have 3 to 7 carbon atoms.
represents a straight-chain or branched alkyl group. The attractive properties of these compounds to the female grape beetle are believed to be based on the (2S,3S)-diol structure and/or (2S)-hydroxy-3-ketone structure, where R 1 and R 2 are n-amyl. Focusing on (2S,3S)-octanediol and (2S)-hydroxy-3-octanone, (2S,3S)-alkanediol and/or (2S)-hydroxy-3 having a carbon number ranging from 6 to 10 - Alkanone was found to be attractive to the female grape beetle. (2S,3S)-octanediol is expressed by the following formula [3]
This is a novel compound having the structure shown below and the physical properties shown below, and was synthesized for the first time by the present inventors. Physical properties Colorless oil Optical rotation: [2] 23 D -19.2゜ (in CHCl 3 ) IR: 3380 cm -1 (OH) 13 C-NMR: 2CH 3 (13.72, 19.10), 4-CH 2
-(22.34, 25.10, 31.68, 32.94), 2-
CH―O― (70.52, 75.81) 1 H―NMR: δ0.90 (3H, t, J = 6.7Hz),
1.19 (3H, d, J = 6.3Hz), 2.01 (1H, d,
J = 5.9Hz), 2.07 (1H, d, J = 5.9Hz),
3.33 (1H, m), 3.59 (1H, m) MS: m/e55 (100%), 83 (59), 41 (24), 43
(22), 45(22), 57(15), 101(6), 75(4) (2S)-Hydroxy-3-octanone is a compound having a structure represented by the following formula [4], and the present invention The physical properties of the product synthesized by these authors were as follows. Physical properties Colorless oil Optical rotation: [2] 23 D +37.3° (in CHCl 3 ) IR: 3440, 1715, 1120 cm -1 13 C―NMR: 2CH 3 (13, 76, 19, 73), 4―
CH 2 - (22.30, 23.21, 31.31, 37.42), -
CH―O (72.50),

【式】(212.64) 1H―NMR:δ0.90(3H,t,J=6Hz)、1.38
(3H,d,J=7Hz)、4.23(1H,dq,J
=5,6Hz) MS:m/e43(100%)、45(51)、55(28)、71
(25)、99(22)、41(13)、83(6)、101(1) また、この雌虫誘引性は、(2S,3S)―アルカ
ンジオール及び(2S)―ヒドロキシ―3―アル
カノンを共存させると、それぞれの化合物の雌虫
誘引性の和より、かなり高くなるという特色を有
している。 以下に、具体的実施例について説明する。 実施例 1 内径50cm、長さ150cmの透明合成樹脂円筒の両
端に網をはつて試験ケージとし、これを29〜30
℃、湿度70〜75%の恒温湿室内に入れ、一方の網
面より、0.15m/secの層流の風を送り、明るさ
を約10000ルツクスとした。 一方、内径9cm、長さ14cmの円筒状金網の両端
に不透明合成樹脂板をとりつけたサンプルかご3
個を準備し、1つは雄虫を入れるもの、もう1つ
は(2S,3S)―アルカンジオール等の供試誘引
剤を入れるもの、残りの1はブランクテスト用の
ものとし、それぞれの実験ごとにこれらを入れ替
え、試験ケージの風上側の端より20cmのところ
に、不透明合成樹脂板を風下に向けて、配置する
こととした。 一方、挙動を観察するための雌虫は、サンプル
かごから100cm風下のところに、10匹づつ放つこ
ととした。 予め行つた雄虫3匹をサンプルとした実験で
は、点灯後8時間を経過した午後2時頃、雌虫の
誘引行動が顕著であつたので、実験は午後2時に
行つた。 この実験における雌虫誘引性は、30分間にサン
プルかごに到達した雌虫数で表わした。なお、雌
虫には、あらかじめマークをつけ、重複計数を回
避した。 このような実験方法により、(2S,3S)―オク
タンジオール及び(2S)―ヒドロキシ―3―オ
クタンについて、雌虫誘引性を調べたところ、各
10回測定した平均値として次の結果をえた。 実験結果 A:雄ブドウトラカミキリ 3匹 B:(2S,3S)―オクタンジオール10mgを濾紙に
しみ込ませたもの C:(2S)―ヒドロキシ―3―オクタノン10mgを
濾紙にしみ込ませたもの D:(2S,3S)―オクタンジオール5mg、次い
で、(2S)―ヒドロキシ―3―オクタノン5
mgを、濾紙にしみ込ませたもの E:何も入れないもの(サンプルかごだけのも
の) サンプル 雌虫飛来率(%) A 85 B 30 C 32 D 45 E 15
[Formula] (212.64) 1 H-NMR: δ0.90 (3H, t, J = 6Hz), 1.38
(3H, d, J = 7Hz), 4.23 (1H, dq, J
=5,6Hz) MS: m/e43 (100%), 45 (51), 55 (28), 71
(25), 99(22), 41(13), 83(6), 101(1) In addition, this female insect attractivity is due to (2S,3S)-alkanediol and (2S)-hydroxy-3-alkanone They have the characteristic that when they coexist, the female insect attractivity is considerably higher than the sum of the individual compounds. Specific examples will be described below. Example 1 A test cage was made by attaching a net to both ends of a transparent synthetic resin cylinder with an inner diameter of 50 cm and a length of 150 cm.
The device was placed in a constant temperature and humidity chamber at a temperature of 70 to 75% humidity, and a laminar flow of 0.15 m/sec was blown from one screen surface to provide a brightness of about 10,000 lux. On the other hand, sample basket 3 is made by attaching opaque synthetic resin plates to both ends of a cylindrical wire mesh with an inner diameter of 9 cm and a length of 14 cm.
Prepare one for the male worms, the other for the test attractant such as (2S,3S)-alkanediol, and the remaining one for the blank test. The opaque synthetic resin plate was placed 20 cm from the windward edge of the test cage, facing downwind. On the other hand, we decided to release 10 female insects at a time 100 cm downwind from the sample basket to observe their behavior. In a previous experiment using three male insects as samples, female insect attracting behavior was noticeable around 2 p.m., 8 hours after the lights were turned on, so the experiment was conducted at 2 p.m. Female insect attractiveness in this experiment was expressed as the number of female insects that reached the sample basket in 30 minutes. Note that female worms were marked in advance to avoid duplicate counting. Using this experimental method, we investigated the attractiveness of (2S, 3S)-octanediol and (2S)-hydroxy-3-octane to female insects.
The following results were obtained as the average value of 10 measurements. Experimental results A: 3 male longhorn beetles B: Filter paper soaked with 10 mg of (2S, 3S)-octanediol C: Filter paper soaked with 10 mg of (2S)-hydroxy-3-octanone D: ( 2S,3S)-octanediol 5mg, then (2S)-hydroxy-3-octanone 5mg
mg soaked into filter paper E: Nothing (sample basket only) Sample Female insect flying rate (%) A 85 B 30 C 32 D 45 E 15

Claims (1)

【特許請求の範囲】 1 下記式〔1〕で表される(2S,3S)―オク
タンジオール及び下記式〔2〕で表される(2S)
―ヒドロキシ―3―オクタノンの何れか一方又は
両方を含有するぶどう害虫誘引剤。
[Claims] 1 (2S, 3S)-octanediol represented by the following formula [1] and (2S) represented by the following formula [2]
- A grape pest attractant containing one or both of hydroxy-3-octanone.
JP4428581A 1981-03-25 1981-03-25 Vermin attractant Granted JPS57158709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4428581A JPS57158709A (en) 1981-03-25 1981-03-25 Vermin attractant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4428581A JPS57158709A (en) 1981-03-25 1981-03-25 Vermin attractant

Publications (2)

Publication Number Publication Date
JPS57158709A JPS57158709A (en) 1982-09-30
JPS6338964B2 true JPS6338964B2 (en) 1988-08-03

Family

ID=12687228

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4428581A Granted JPS57158709A (en) 1981-03-25 1981-03-25 Vermin attractant

Country Status (1)

Country Link
JP (1) JPS57158709A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4439223A1 (en) * 1994-11-03 1996-05-09 Basf Ag Mixtures and agents suitable for controlling Hylotrupes bajulus and Pyrrhidium sanguineum
GB0105229D0 (en) 2001-03-02 2001-04-18 Ectopharma Ltd Pesticides
JP2002265980A (en) * 2001-03-15 2002-09-18 T Hasegawa Co Ltd PERFUME COMPOSITION CONTAINING alpha-HYDROXYKETONE COMPOUND

Also Published As

Publication number Publication date
JPS57158709A (en) 1982-09-30

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