JPS5835101A - Fumigant for fruit and vegetable - Google Patents

Fumigant for fruit and vegetable

Info

Publication number
JPS5835101A
JPS5835101A JP13404981A JP13404981A JPS5835101A JP S5835101 A JPS5835101 A JP S5835101A JP 13404981 A JP13404981 A JP 13404981A JP 13404981 A JP13404981 A JP 13404981A JP S5835101 A JPS5835101 A JP S5835101A
Authority
JP
Japan
Prior art keywords
methyl formate
fruit
vegetables
fumigant
fruits
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
Application number
JP13404981A
Other languages
Japanese (ja)
Inventor
Hideo Horimuki
堀向 秀夫
Teruyuki Tsutsumi
堤 輝之
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.)
Teijin Ltd
Original Assignee
Teijin Chemicals 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 Teijin Chemicals Ltd filed Critical Teijin Chemicals Ltd
Priority to JP13404981A priority Critical patent/JPS5835101A/en
Publication of JPS5835101A publication Critical patent/JPS5835101A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:A fumigant for fruit and vegetables that contains methyl formate as an active ingredient, thus showing high insecticidal activity against scale insects, but low toxicity to men and animals, further causing no injury to bananas and citrus fruits such as lemons or oranges. CONSTITUTION:Methyl formate is used as an active ingredient to give a fumigant for fruit and vegetables. Since it is adsorbed only on the surface of the fruit skins but not into the inside of pulps in juicy fruits or vegetables, no chemical injury is caused. The limit of methyl formate causing injury to banana and lemon is 200mg/m<3> X hr at 15 deg.C, when represented by its dose and fumigation hours and scale insects are completely killed at a dose 150mg/m<3> X hr in all the three periods of egg, larva and adult.

Description

【発明の詳細な説明】 本発明は青果物燻蒸剤に関する。更に詳しくは蟻酸メチ
ルをバナナやレモン、オレンジ等の柑橘11に寄生する
カイガラムシの殺虫有効成分として含有してなる!果物
燻蒸剤に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fruit and vegetable fumigant. More specifically, it contains methyl formate as an active ingredient to kill scale insects that parasitize citrus fruits such as bananas, lemons, and oranges! Concerning fruit fumigants.

本発−の目的は、バナナや柑橘類等の青果−に薬害なく
、これに寄生のカイガラムシ、アノラムシ、スリクプス
等の寄禽肪瞼用低毒性燻蒸剤を提供することに&る。
The purpose of the present invention is to provide a low-toxicity fumigant for parasitic scale insects, aphids, suripus, and other parasitic insects that are not harmful to fruits and vegetables such as bananas and citrus fruits.

現在、我が国の輸入青果物用燻蒸剤として實駿と臭化メ
チルが植物検疫で指定されて〜・る力ζ實駿はカイガラ
ムシの殺*には特異的に卓効するが1人畜に4.猛毒で
あるため安全−では毒物としての種々の規制を受けてい
る。
Currently, Jishun and methyl bromide are designated by plant quarantine as fumigants for imported fruits and vegetables in Japan.Jishun is uniquely effective in killing scale insects*, but it is highly effective against 1 human and livestock. Because it is highly poisonous, it is subject to various safety regulations as a poisonous substance.

−1臭化メチルはカイガラムシの殺央秦件では、バナナ
やモモ等の青果−に薬害を生じ、グレープフルーツやリ
ンゴ等一部の果−に使用制限されている。
-1 Methyl bromide causes chemical damage to fruits and vegetables such as bananas and peaches in the killing of scale insects, and its use is restricted to some fruits such as grapefruit and apples.

従って1人畜には低毒性で、カイガラムシのlR歳効力
が大であり、しかも青果−Kl[書の生じないsm的な
!果物用燻蒸剤の出蝙が強く要望されている。
Therefore, it has low toxicity to humans and animals, high potency against scale insects, and moreover, it has a low toxicity to humans and livestock, and it is also effective against scale insects. There is a strong demand for fumigants for fruits.

本発明者等は、これらl!菫に答えるべく種々の薬剤な
スクリーエンダ中、既に穀物及び乾燥果物用燻蒸剤とし
ては全知の蟻酸メチルが唯一の胃酸代替可能の!果物用
燻蒸剤であることを見い出し1本発@に至ったものであ
る・すなわち1本発明は蟻酸メチルを有効成分として含
有することを特徴とする青果物燻蒸剤である。
The inventors believe that these l! In order to answer the question, methyl formate is the only known fumigant for grains and dried fruits that can replace stomach acid, among the various chemical screeenders! The present invention is a fumigant for fruits and vegetables characterized by containing methyl formate as an active ingredient.

本発@におい【、有効成分の蟻酸メチルは分子量A11
L05.沸点its℃、15℃での1気圧は400 y
dAllと非常に揮発性の液体で芳香臭を有する。水に
対する溶解度は25℃で314%であり、この特性が本
発明の目的の一つである青果物の薬害問題を解消させて
いると思われる。すなわち、水分の多い青果物では水溶
性化学物は薬剤が果皮表i1に吸着されて果肉内部まで
浸透して行かないためと思われる。
Original @smell [The active ingredient, methyl formate, has a molecular weight of A11.
L05. Its boiling point is 1 atm at 15°C is 400 y
dAll and a very volatile liquid with an aromatic odor. The solubility in water is 314% at 25°C, and this property is thought to solve the problem of phytotoxicity of fruits and vegetables, which is one of the objects of the present invention. In other words, it is thought that in fruits and vegetables with a high water content, water-soluble chemicals are adsorbed to the pericarp surface i1 and do not penetrate into the pulp.

一方蟻酸メチルの毒性の程度はラット電性経口毒性LD
5ol 560雫/時1モルモット数人毒性LO5o1
0.000 ppmと非常に低く現行青酸の約1/10
0である。
On the other hand, the degree of toxicity of methyl formate is LD for oral toxicity in rats.
5ol 560 drops/hour 1 several guinea pigs toxicity LO5o1
Very low at 0.000 ppm, about 1/10 of current hydrocyanic acid
It is 0.

近年、我が国の輸入青果物の大半はバナナであり1年間
約80万トンが台湾、フィリッピンなどの東南アジアか
ら輸入されている0次いでレモン、オレンジ等の柑橘類
が約30万トンあり、この2種類の果物で90%を占め
ている。
In recent years, the majority of fruits and vegetables imported into Japan are bananas, with approximately 800,000 tons per year imported from Southeast Asia such as Taiwan and the Philippines.Next is approximately 300,000 tons of citrus fruits such as lemons and oranges; It accounts for 90%.

このバナナ、柑橘類の害虫は輸入検疫では7ノラ人シ、
スリップスも1llecは発見されるが、これら害虫は
他薬剤でも容易llCm虫できる。主賛書虫のカイガラ
ムシは体表面がパラフィンキチンで保−されているため
、薬剤が虫体内に浸透し難く、一般穀物燻蒸剤ではlI
R虫が困離とされている・置数がカイガラムシに特異的
に効果を示すのは吸入毒によるものとされている。
This banana and citrus pest is subject to import quarantine.
Thrips is also found in 1llec, but these pests can be easily infected with other chemicals. Scale insects, the main caterpillars, have their body surface covered with paraffin chitin, making it difficult for chemicals to penetrate into the insect's body, making it difficult for ordinary grain fumigants to be used.
R insects are said to be difficult to deal with.The reason why the insects are specifically effective against scale insects is said to be due to the inhalation poison.

従来、乾燥穀物燻蒸剤として使用されていた蟻酸メチル
は一般に殺虫効力もさほど強い−のではないが、予想外
にもこの頑固なカイガラムシに卓効を示し、しかも青果
物の薬害発現以下の濃度で殺虫が可能ヒriつた。
Methyl formate, which has traditionally been used as a dry grain fumigant, generally does not have a very strong insecticidal effect, but unexpectedly it is extremely effective against this stubborn scale insect, and it kills insects at a concentration below the level that causes chemical damage to fruits and vegetables. is possible.

従って1本発明の目的はバナナ、柑橘類のカイガラ人シ
防除が1員になる。
Therefore, one of the objects of the present invention is to control scale insects on bananas and citrus fruits.

蟻酸メチルのバナナ及びレモンの薬害発現限界は、投薬
量と燻蒸時間の積で表わすと、15℃では200キ/w
tXkrであり、カイガラムシとれは現行青酸並の殺虫
及び薬害安全度である。
The limit for phytotoxicity of methyl formate on bananas and lemons is 200 kg/w at 15°C, expressed as the product of dosage and fumigation time.
It is tXkr, and has the same insecticidal and chemical safety level for removing scale insects as current cyanide.

内、蟻酸メチルは電素、炭酸ガスなどの不活性ガスとの
混合或いは四塩化縦索などの不燃性製剤との混合によっ
て燻蒸時の爆発防止を兼ねて使用することもできる。
Among these, methyl formate can also be used to prevent explosions during fumigation by mixing with inert gases such as electron and carbon dioxide, or by mixing with nonflammable preparations such as tetrachloride vertical cord.

次に1本発明の燻蒸剤の実施の態様を以下に示す。Next, embodiments of the fumigation agent of the present invention will be shown below.

実織例1 内容11300 jのステンレス製燻蒸釜にサンキスト
レモン及びフイリツピン産未熱成Wハiす(品種チキー
タ)を20ゆ詰めカートンボックスに入れたま一各々2
箱宛入れ、燻蒸釜を密閉したのち、15℃に内温を保っ
て、蟻酸メチル1ooy、”ビの投薬量で80℃加湿の
気化器を通して投入し、90分間燻蒸処理した。
Actual example 1: Contents: 20 pieces of Sunkist lemon and unheated W lime from the Philippines (variety Chiquita) placed in a 11300 J stainless steel fumigation pot in a carton box, 2 pieces each.
After placing in a box and sealing the fumigation pot, the internal temperature was maintained at 15°C, and a dose of 100 ml of methyl formate was poured into a humidified vaporizer at 80°C, followed by fumigation for 90 minutes.

燻J[llは扉を開き、釜に残存の蟻酸メチルガスを大
気中に追い出したのち、ンそン及びバナナを取り出し、
これに耐着のコナカイガラムシの殺虫効果と、レモンで
は15℃貯麓20日後に、バナナではムpで熟成後に未
処理区との変色の違いKよって薬害の有無を調べた。
After opening the door and expelling the methyl formate gas remaining in the pot into the atmosphere, he took out the noodles and bananas,
The insecticidal effect on resistant mealybugs was investigated, and the presence or absence of phytotoxicity was investigated by looking at the difference in color K between lemons and untreated plots after 20 days of storage at 15°C for lemons, and after ripening in MP for bananas.

その結果、処3J!20日後カイガラムシは100%殺
虫がされ、レモン、バナナ共に何ら外観異常は見られず
臭気変化もなく薬害徴候を示さなかった。
As a result, Tokoro 3J! After 20 days, 100% of the scale insects were killed, and both lemons and bananas showed no abnormality in appearance, no change in odor, and no signs of chemical damage.

II!施例2 実施例1と同様の方法で蟻酸メチル100I/wlを釜
に入れ、riil1時に別の投薬口から炭酸ガフ、を流
量計を通して200111tl入れ、90分間燻蒸処理
した。その結果、処jjJIQ−15日後カイガラムシ
は100%殺虫されており、バナナは熟成が1−2日早
い傾向はみられたが。
II! Example 2 In the same manner as in Example 1, 100 I/wl of methyl formate was put into a pot, and at riil 1, 200,111 tl of carbon dioxide gaff was put in from another injection port through a flowmeter, and fumigation was carried out for 90 minutes. As a result, scale insects were 100% killed after 15 days of treatment, and bananas tended to ripen 1-2 days earlier.

レモンと同様何ら外観異常が見られず、臭気変化も生じ
ず薬害徴候を示さなかった。
As with lemon, no abnormal appearance was observed, no change in odor occurred, and no signs of drug damage were observed.

Claims (1)

【特許請求の範囲】[Claims] 蟻酸メチルを有効成分として含有することを特徴とする
青果物燻蒸剤。
A fruit and vegetable fumigant characterized by containing methyl formate as an active ingredient.
JP13404981A 1981-08-28 1981-08-28 Fumigant for fruit and vegetable Pending JPS5835101A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13404981A JPS5835101A (en) 1981-08-28 1981-08-28 Fumigant for fruit and vegetable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13404981A JPS5835101A (en) 1981-08-28 1981-08-28 Fumigant for fruit and vegetable

Publications (1)

Publication Number Publication Date
JPS5835101A true JPS5835101A (en) 1983-03-01

Family

ID=15119163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13404981A Pending JPS5835101A (en) 1981-08-28 1981-08-28 Fumigant for fruit and vegetable

Country Status (1)

Country Link
JP (1) JPS5835101A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008525318A (en) * 2004-12-24 2008-07-17 コモンウェルス サイエンティフィック アンド インダストリアル リサーチ オーガニゼイション Insecticide compositions and methods

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
THE MERCK INDEX=1976 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008525318A (en) * 2004-12-24 2008-07-17 コモンウェルス サイエンティフィック アンド インダストリアル リサーチ オーガニゼイション Insecticide compositions and methods
US8278352B2 (en) 2004-12-24 2012-10-02 Commonwealth Scientific & Industrial Research Organisation Pesticide compositions and methods

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