CN102067850A - Application of psoralen as agricultural disinfectant or pesticide - Google Patents

Application of psoralen as agricultural disinfectant or pesticide Download PDF

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CN102067850A
CN102067850A CN2011100500884A CN201110050088A CN102067850A CN 102067850 A CN102067850 A CN 102067850A CN 2011100500884 A CN2011100500884 A CN 2011100500884A CN 201110050088 A CN201110050088 A CN 201110050088A CN 102067850 A CN102067850 A CN 102067850A
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psoralen
insect
agricultural
purposes according
pesticide
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CN102067850B (en
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宋萍萍
吕晔
王年鹤
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Institute of Botany of CAS
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Abstract

The invention discloses application of psoralen as an agricultural disinfectant or pesticide. The psoralen serving as the pesticide is used for preventing and controlling lepidopterous and homopterous insects, and the psoralen serving as the disinfectant is used for preventing and controlling agricultural fungus diseases and particularly has obvious preventing and controlling effects on sclerotinia rot of colza, cucumber fusarium wilt, rice sheath blight, wheat scab and wheat sharp eyespot. The psoralen serving as the agricultural disinfectant and pesticide is characterized by good effect, broad spectrum, low toxicity, no residue, environmental friendliness and no public hazard, and is particularly favorable for environmental protection.

Description

Psoralen is as the purposes of agricultural bacteriocide or insecticide
Technical field
The invention belongs to agricultural technology field, be specifically related to psoralen prepares agricultural fungicides or bactericide as active component purposes.
Background technology
Pest are taken place in the many regional large tracts of land of China, and frequency is in rising trend, and harm increases the weight of.Still be the major control measure at present with the chemical pesticide control.Because the long-term chemical pesticide control that uses, cause insect that number of chemical insecticides such as organochlorine, organic phosphor, carbamate, pyrethroid have been produced pesticide resistance in various degree, control efficiency significantly descends, make the peasant have to strengthen dosage, still reduced the safety of agricultural product again to improve preventive effect.
In addition, in the agricultural production, the pathogen of damage to crops also has fungi, bacterium, virus etc., having the greatest impact of fungi wherein, and crop production reduction is obvious, because of plant disease especially be can not be ignored by the economic loss that fungus-caused disease causes.
Psoralen, English name: Psoralen, chemical name: 7H-Furo (3,2-g) (1) benzopyran-7-one, molecular weight: 186.16, molecular structure:
Figure BDA0000048607840000011
Psoralen is colourless acicular crystal (ethanol), and 189~190 ℃ of fusing points are dissolved in ethanol, chloroform, are slightly soluble in water, ether and benzinum.Existing report psoralen acts on human body has an anastalsis to uterus, nose and gum etc. are hemorrhage; Bronchial smooth muscle there is the diastole effect; The leukaemia there is stronger lethal effect (IC50 is 4ug/ml), in addition, also has antitumaous effect.But, the pertinent literature or the report that do not have psoralen on agricultural, to use so far as bactericide or insecticide.
Summary of the invention
The objective of the invention is to explore psoralen as the application of active component at preparation agricultural fungicides or bactericide.
The present invention is by studies have shown that in a large number, and psoralen has excellent insecticidal activity as the agricultural fungicides that active component prepares, and can be used for preventing and treating various pest on crop, especially for control Lepidoptera and Homoptera insect.Lepidopterous insects can be leaf (night) moth section, diamond-back moth section, Sulfur butterfly insect; Described noctuid is preferably prodenia litura, beet armyworm, mythimna separata; Diamond-back moth section insect is preferably diamond-back moth; The Sulfur butterfly insect is preferably cabbage caterpillar.Described Homoptera insect is the Aphidiadae insect, is preferably black peach aphid.
The agricultural bacteriocide that psoralen prepares as active component also has excellent bactericidal activity, can be applicable to the disease on the various crops of control, be particularly suitable for preventing and treating agricultural fungal diseases, as: sclerotinia rot of colza, cucumber fusarium axysporum, rice sheath blight disease, wheat scab, wheat sharp eyespot.
Psoralen is that separation and purification obtains or commercially available getting from natural plants.Psoralen is mixed with any one formulation that allows on the agricultural chemicals as active component and insecticides adjuvant, excipients.All right and other agriculture chemical compounding of psoralen is mixed and made into any one formulation that allows on the agricultural chemicals with insecticides adjuvant, excipients.Described formulation can be missible oil, suspending agent, aqueous emulsion, wetting powder, microemulsion or water dispersion granule etc.Used auxiliary agent can adopt calcium dodecyl benzene sulfonate, pyrrolidones, polyoxyethylene polyoxy third rare block compound, polyoxyethylene nonylphenol ether etc., and excipient can be cyclohexanone, solvent naphtha, solvent naphtha, water, propane diols, deionized water etc.Composite other used agricultural chemicals are organic phosphates, as: thimet (3911), demeton (1059, E1059), parathion (1605, E605), dichlorvos (DDV), Rogor, chlorophos etc.; Pyrethroid, as: cypermethrin, decamethrin, kill bacterium fat etc.; The microbial source insecticide is as bacillus thuringiensis,Bt (Bt), Avermectin, white muscardine fungi etc.
Beneficial effect of the present invention compared with the prior art: psoralen is as insecticide or bactericide, and insecticidal spectrum, antimicrobial spectrum are wide, and desinsection, antibacterial time are short, and the lasting period is long, is insecticide, the bactericide of agriculture coideal.Compare with general chemical pesticide; insect had tag, stomach poison function, effect is remarkable, and psoralen derives from the extract of natural plants; have low toxicity, noresidue, pollution-free, non-harmful characteristics for economic crops such as various grains, melon and fruit, vegetables, more favorable environment protection.
Embodiment
Below by embodiment effect of the present invention is described further:
Embodiment 1, psoralen are to the control of agricultural fungal diseases
Strains tested Fusarium graminearum (Fusarium.graminearm) obtains from the separation of wheat scab fringe; Fusarium oxysporum bacterium (F.oxysporum) obtains from the separation of cucumber fusarium axysporum diseased plant; Rhizoctonia solani Kuhn (Rhizoctonia solani) obtains from the separation of rice sheath blight disease leaf; Cereal rhizoctonia (Rhizoctonia solani) obtains from the separation of wheat sharp eyespot leaf; Sclerotinite (Sclerotioia selerotiorum) obtains from the separation of sclerotinia rot of colza bacterial strain.Reagent agent psoralen (available from Nat'l Pharmaceutical ﹠ Biological Products Control Institute) is dissolved in acetone with it and makes 1000 μ g/mL mother liquors, and 4 ℃ of preservations are standby.PDA medium: 200g peeling potato is cut into piece, boil 10min after, get juice, add 20g agar, be heated to fusing, add 20g glucose again, water is settled to 1000mL.
Adopt the mycelial growth rate determination method that the inhibition of hypha,hyphae growth is measured, pre-incubated fungi edge is beaten and is got bacterium dish (diameter 5mm) from the PDA flat board, the reagent agent mother liquor is evenly mixed with medium, make that the reagent agent ultimate density is respectively 0,1,2.5,5,10ppm, mixed liquor impouring diameter respectively is to make flat board in the sterilization culture dish of 9cm, every ware is inoculated a bacterium dish, and mycelia faces up, and every processing repeats 3 times.25 ℃ are cultured to the contrast bacterium colony and are covered with culture dish 2/3rds when above, and the right-angled intersection method is measured bacterium colony growth diameter.Calculate growth inhibition ratio by colony diameter mean value (mm).Data to gained are handled with DPS V3.01 professional version software analysis, draw calibration curve and EC 50Value.Positive reference substance is Osthole (available from a Nat'l Pharmaceutical ﹠ Biological Products Control Institute), calculates the conk inhibiting rate with same concentration with quadrat method.
Psoralen can be prevented and treated sclerotinia rot of colza, cucumber fusarium axysporum, rice sheath blight disease, wheat scab, wheat sharp eyespot effectively as can be seen from the result, concentration EC during these several fungal diseases are suppressed 50Be 5.46~28.71ppm, concrete experimental result sees Table 1; And the positive reference substance Osthole is to concentration EC in sclerotinia rot of colza, cucumber fusarium axysporum, rice sheath blight disease, wheat scab, these 5 kinds of fungal diseases inhibition of wheat sharp eyespot 50Be respectively 43.33,41.82,26.84,56.94,39.96ppm, demonstrated fully the remarkable result of agricultural chemicals of the present invention by the contrast experiment.
Table 1 psoralen is to agriculture fungi toxicity test result
Figure BDA0000048607840000031
Embodiment 2 psoralens as active component to agricultural insect management
Lay eggs to pupating in indoor artificial feed raising for field population 3~6 instar larvaes of gathering for trying the worm source, select indoor F1 and F2 and use (wherein, cabbage caterpillar is that population is gathered in the field) for toxicity test for 2~3 instar larvaes of big or small basically identical.Accurately take by weighing psoralen (available from Nat'l Pharmaceutical ﹠ Biological Products Control Institute), it is dissolved in acetone, making concentration is the confession examination mother liquor of 2.000mg/ml, is diluted to 6 different concentration as standby for reagent liquid with the 1%TritonX-100 aqueous emulsion then.With defoliator (wherein with fresh clean cabbage leaves, mythimna separata is a fresh tea leaf in its with wheat leaf blade, tea geometrid) make the leaf dish that diameter is 1.5cm, take out after then it being soaked 10 seconds in for reagent liquid, the back is taken out to dry and is placed the culture dish that contains the 1% water agar or the filter paper of preserving moisture, insert the examination worm of hungry 3h, place artificial climate indoor [(25 ± 1) ℃, L/D=14/10, RH 75%], the soup of each concentration is handled 30 cephalonts.The blank group adds 1%Triton100 aqueous emulsion dipping blade with acetone, and positive reference substance is Osthole (available from a Nat'l Pharmaceutical ﹠ Biological Products Control Institute), handles the examination worm with the same leaf dipping method of same concentration.48h checks lethality, calculates each dead borer population of handling, borer population alive, calculates larval mortality.Calculate LC with the biometric counting according to handling with management system software Polo-Plus program (LeOra Software 2002) 50Value.
The result shows: in the 48h, the psoralen of variable concentrations is effective to prodenia litura, beet armyworm, diamond-back moth, cabbage caterpillar, mythimna separata, black peach aphid, concrete lethality and LC 50See Table 2; And positive controls, the lethality that examination worm prodenia litura, beet armyworm, mythimna separata, the black peach aphid that concentration is handled for the 1.000mg/ml Osthole tags is all less than 20%, and the examination worm cabbage caterpillar that concentration is handled for the 2.000mg/ml Osthole, the lethality of diamond-back moth are respectively 80%, 70%.Show that by comparative trial psoralen has the advantage that the desinsection time is short, the desinsection scope is wide as agricultural insecticide.
Table 2 psoralen is to the virulence test result of insect
Figure BDA0000048607840000041
Embodiment 3:
Take by weighing conventional auxiliary materials such as psoralen and lignin, diatomite according to common process, make active ingredient concentration and be 2% wetting powder.
Embodiment 4:
Take by weighing psoralen and calcium dodecyl benzene sulfonate, phenethyl phenol polyethenoxy ether, the conventional auxiliary material of solvent wet goods according to common process, make active ingredient concentration and be 2% missible oil.
Embodiment 5:
Claim conventional auxiliary materials such as psoralen and wooden sodium sulfonate, kaolin according to common process, make active ingredient concentration and be 2% water dispersible granules.
Embodiment 6:
Take by weighing psoralen and solvent naphtha, pyrrolidones, conventional auxiliary material such as xanthans is according to common process, makes active ingredient concentration and be 1% aqueous emulsion.
Embodiment 7:
Take by weighing conventional auxiliary materials such as psoralen and calcium dodecyl benzene sulfonate, pyrrolidones according to common process, make active ingredient concentration and be 1% microemulsion.
Embodiment 8:
Take by weighing psoralen and thimet according to 1: 5 ratio of weight ratio, with solvent naphtha, pyrrolidones, conventional auxiliary material such as xanthans is according to common process, makes active ingredient concentration and be 6% aqueous emulsion.
Embodiment 9:
Take by weighing psoralen and decamethrin according to 6: 1 ratio of weight ratio, with solvent naphtha, pyrrolidones, conventional auxiliary material such as xanthans is according to common process, makes active ingredient concentration and be 7% aqueous emulsion.
Embodiment 10:
Take by weighing psoralen and Avermectin according to 1: 3 ratio of weight ratio, with solvent naphtha, pyrrolidones, conventional auxiliary material such as xanthans is according to common process, makes active ingredient concentration and be 4% aqueous emulsion.

Claims (10)

1. psoralen is as the purposes of active component in preparation agricultural fungicides or bactericide.
2. purposes according to claim 1 is characterized in that psoralen is mixed with any one formulation that allows on the agricultural chemicals as active component and insecticides adjuvant, excipients; Perhaps psoralen is mixed with any one formulation that allows on the agricultural chemicals as active component and other agricultural chemicals and insecticides adjuvant, excipients.
3. purposes according to claim 2 is characterized in that described formulation is missible oil, suspending agent, aqueous emulsion, wetting powder, microemulsion or water dispersion granule; Described other agricultural chemicals are organophosphorus insecticide, pyrethroid pesticide or microbial source insecticide.
4. purposes according to claim 1 is characterized in that described insecticide is used to prevent and treat Lepidoptera and Homoptera insect.
5. purposes according to claim 4 is characterized in that described lepidopterous insects is noctuid, diamond-back moth section insect, Sulfur butterfly insect.
6. purposes according to claim 5 is characterized in that described noctuid is prodenia litura, beet armyworm, mythimna separata; Described diamond-back moth section insect is a diamond-back moth; Described Sulfur butterfly insect is a cabbage caterpillar.
7. purposes according to claim 4 is characterized in that described Homoptera insect is the Aphidiadae insect.
8. purposes according to claim 7 is characterized in that described Aphidiadae insect is a black peach aphid.
9. purposes according to claim 1 is characterized in that psoralen is used to prevent and treat agricultural fungal diseases as bactericide.
10. application according to claim 9 is characterized in that described agricultural fungal diseases is sclerotinia rot of colza, cucumber fusarium axysporum, rice sheath blight disease, wheat scab, wheat sharp eyespot.
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CN105646430A (en) * 2016-03-28 2016-06-08 石鸿娟 Natural product capable of being developed into agricultural sterilizing agent and preparation method thereof
CN107484766A (en) * 2017-08-29 2017-12-19 郑州市汇川农业科技有限公司 Agricultural chemicals and preparation, application process based on natural cumarin essential oil in common fig leaf juice
CN107743970A (en) * 2017-12-06 2018-03-02 惠州市支持网知识产权运营有限公司 Bactericidal composition containing psoralen and gold alloy hydride
CN107787995A (en) * 2017-12-06 2018-03-13 惠州市梦芭迪工业产品设计中心(普通合伙) A kind of Pesticidal combination and its application
KR20180037979A (en) * 2015-07-31 2018-04-13 센트로 데 인제니에리아 제네티카 와이 바이오테크놀로지아 How to Treat Plant Diseases
CN107912440A (en) * 2017-12-06 2018-04-17 赖进九 A kind of Pesticidal combination and its application
CN107950550A (en) * 2017-12-11 2018-04-24 惠州市梦芭迪工业产品设计中心(普通合伙) A kind of bactericidal composition
CN107950549A (en) * 2017-12-06 2018-04-24 温妙云 A kind of Pesticidal combination
CN108477187A (en) * 2018-04-16 2018-09-04 杜桂香 A kind of bactericidal composition containing psoralen and coumoxystrobin
CN108633893A (en) * 2018-04-16 2018-10-12 张友兰 Bactericidal composition containing psoralen and dimoxystrobin
CN108633894A (en) * 2018-04-16 2018-10-12 赖振明 A kind of bactericidal composition containing psoralen and Nuo Wo mycins
CN108633892A (en) * 2018-04-16 2018-10-12 张月婵 Bactericidal composition containing psoralen and octyl trichlamide
CN109090160A (en) * 2018-09-14 2018-12-28 安徽省益农化工有限公司 A kind of bactericidal aqueous emulsion of the environment-friendly type containing a variety of Chinese medicine composition
CN110178849A (en) * 2019-05-24 2019-08-30 江苏省中国科学院植物研究所 Purposes of the psoralen in prevention and treatment phytobacterial disease
CN113929696A (en) * 2021-11-16 2022-01-14 南开大学 Acylthiourea psoralen derivatives, and preparation method and application thereof
CN113929694A (en) * 2021-11-16 2022-01-14 南开大学 Sulfonyl hydrazide psoralen derivatives, and preparation method and application thereof
CN115005226A (en) * 2022-06-02 2022-09-06 广西壮族自治区农业科学院 Insecticidal composition for preventing and treating corn armyworm
CN117256632A (en) * 2023-09-20 2023-12-22 南京金色庄园农产品有限公司 Biological combined medicament for preventing and treating powdery mildew of fruits and vegetables and high-efficiency prevention and treatment method

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CN105646430A (en) * 2016-03-28 2016-06-08 石鸿娟 Natural product capable of being developed into agricultural sterilizing agent and preparation method thereof
CN107484766A (en) * 2017-08-29 2017-12-19 郑州市汇川农业科技有限公司 Agricultural chemicals and preparation, application process based on natural cumarin essential oil in common fig leaf juice
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CN107743970A (en) * 2017-12-06 2018-03-02 惠州市支持网知识产权运营有限公司 Bactericidal composition containing psoralen and gold alloy hydride
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CN108633892A (en) * 2018-04-16 2018-10-12 张月婵 Bactericidal composition containing psoralen and octyl trichlamide
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