CN111955458B - Insect pheromone attractant composition for spodoptera frugiperda - Google Patents
Insect pheromone attractant composition for spodoptera frugiperda Download PDFInfo
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- CN111955458B CN111955458B CN202010691771.5A CN202010691771A CN111955458B CN 111955458 B CN111955458 B CN 111955458B CN 202010691771 A CN202010691771 A CN 202010691771A CN 111955458 B CN111955458 B CN 111955458B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
- A01N35/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical containing aliphatically bound aldehyde or keto groups, or thio analogues thereof; Derivatives thereof, e.g. acetals
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Abstract
The invention relates to a composition of insect pheromone attractant of Spodoptera frugiperda, belonging to the field of plant protection, and characterized in that: the components of the composition comprise: 0.5-5% of Spodoptera frugiperda pheromone, 85-98% of slow-release solvent, 0.1-0.5% of synergist and 0.5-10% of protective agent; wherein, the Spodoptera frugiperda pheromone comprises the following components: the attractant composition has the characteristics of strong specificity to target pests, namely Spodoptera frugiperda, good trapping effect, stable attractant and long lasting period, wherein the lasting period can reach more than 90 days, the rate of the vermin is less than 1%, and the requirement of accurate and stable monitoring of the target pests in the field can be met.
Description
Technical Field
The invention belongs to the field of plant protection, and particularly relates to a composition of an insect pheromone attractant for Spodoptera frugiperda.
Background
Spodoptera frugiperda (Spodoptera frugiperda)Spodoptera frugiperda) The lepidoptera noctuidae spodoptera is divided into two haplotypes of a corn line and a rice line, which initially occur in subtropical zones and American tropical zones, 2016 occurs in Nigeria in Africa, two years of time, 44 countries and regions in Africa are rolled, 1 month in 2019 enters the country from Yunnan of China, 25 nationwide in the same 9 months of the year find the damage, the actual damage area is 16.4 hectares, but the insect area is more than 100 hectares, the lepidoptera spongiform, spongiform, and spongiform, have been divided from two years, the two years, the two years of 44 countries and have come to a, in Africa, the national, the 25 province, find its actual damage area, find its actual, see its actual damage area, see its 25 province in the same year, but see, see its actual damage area, see more than 16.4.4.a pest area, see more than 100 hectare to see, see the area, see pest area, see, have one, have the pest area, have one, have more than 100 hectare, have been had it, have the characteristic such as a migratory, have strong adaptability, have wide host to be had the characteristics such as being strong, have, wide.
According to the requirement of 'notice on three-zone defense task of Spodoptera frugiperda in three zones' in agricultural rural areas ', a high-efficiency, specific and stable Spodoptera frugiperda sex attractant is needed in the detection, prevention and control of Spodoptera frugiperda in three zones'. The existing sex attractant in the current market has the following problems in the aspects of attracting and controlling Spodoptera frugiperda: (1) lack of specificity, the trapping rate of the mixed insects is higher, and the main categories of the mixed insects are as follows: mythimna separata, etc.; (2) the lasting period is short; (3) the trapping effect is unstable and has regionality; (4) the number of lured spodoptera frugiperda is small;
in order to solve the existing problems, the invention develops a high-efficiency and specific insect pheromone attractant composition for Spodoptera frugiperda.
Disclosure of Invention
According to the actual demand of spodoptera frugiperda monitoring, the invention develops the composition of the insect pheromone attractant for spodoptera frugiperda, and better overcomes the problems and the defects existing in the prior art.
The technical scheme is as follows:
1. a composition of an insect pheromone attractant for spodoptera frugiperda, comprising: the components of the composition comprise: spodoptera frugiperda pheromone, a slow-release solvent, a synergist and a protective agent, wherein the Spodoptera frugiperda pheromone comprises the following components: (Z) -11-hexadecene acetate, (Z) -7-dodecene acetate, (E) -7-dodecene acetate, (Z) -9-tetradecene acetate, (Z) -9-dodecene acetate, and (Z) -11-tetradecene acetate.
The spodoptera frugiperda pheromone component is obtained according to female insect gonad isolate, 6 components with the strongest attraction to males are selected from all obtained components, and particularly in the prior art, (E) -7-dodecene acetate, (Z) -11-tetradecene acetate related components and contents are added, so that the insect attraction number of spodoptera frugiperda is further increased, and the types and the proportion of the mixed insects of non-target pests are reduced.
Further, the spodoptera frugiperda pheromone component is, by mass, 1 to 10 parts of (Z) -11-hexadecene acetate, (Z) -7-dodecene acetate 1 to 5 parts, 7-dodecene acetate 1 to 20 parts, 9-tetradecene acetate 80 to 120 parts, 9-dodecene acetate 1 to 10 parts, and 11-tetradecene acetate 1 to 5 parts.
The ingredients of the spodoptera frugiperda pheromone are comprehensively proportioned according to the characteristics of target pests and the attraction condition of male pests and the comparison of the contents of the ingredients so as to achieve the best attraction effect, including the attraction and specificity to the target pests.
Further, the slow-release solvent is one or a combination of n-hexane, oleic acid, isopropyl myristate and dioctyl terephthalate.
The slow release solvent is mainly used for dissolving each component of Spodoptera frugiperda pheromone to help the Spodoptera frugiperda pheromone to realize a slow release effect, and can also be used as a solvent and can be added in the production process.
Further, the synergist is one or a composition of phenylacetaldehyde and acetic acid leaf alcohol ester. The synergist is mainly used for further increasing the trapping effect of spodoptera frugiperda pheromone components, the trapping effect is single and stable, and the selection of the components and the proportion of the synergist is determined according to the proportion of the gonadal components of spodoptera frugiperda female insects, so that the optimal synergistic effect is achieved.
Further, the protective agent comprises: one or more of pentaerythritol tetrakis (beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate), sodium tris (2, 4-di-tert-butylphenyl) phosphite, 2- (2 '-hydroxy-5' -octylphenyl) -benzotriazole, 2-hydroxy-4-n-octyloxy-benzophenone, and 2- (2H-benzotriazol-2-yl) -4, 6-bis (1-methyl-1-phenylethyl) phenol. The protective agent is mainly considered, when the attractant is used outdoors, and sunlight irradiation or environmental temperature increase or humidity increase causes the Spodoptera frugiperda pheromone component to be influenced, so that the trapping capacity is reduced, and the lasting period of the attractant is reduced. Thus, the use of a protectant reduces the effects of wind, rain, and sun exposure on spodoptera frugiperda attractant compositions.
Furthermore, the composition comprises 0.5-5% of pheromone component and a slow-release solvent component by mass: 85-98% of synergist and 0.1-0.5% of synergist. The protective agent is 0.5-10%.
The composition of the insect pheromone attractant for the spodoptera frugiperda mainly considers the attracting effect of the insect pheromone attractant for the spodoptera frugiperda, and the lasting effect and the environmental adaptability are optimal, so that the field requirement is met.
Further, the composition can be used for attracting and trapping spodoptera frugiperda alone or in combination with a carrier.
The composition can be added into a slow-release carrier such as a butyl rubber head, a polyvinyl chloride capillary tube and a polyvinyl chloride slow-release bag, or can be independently smeared or hung in an attracting box for attracting and attracting the spodoptera frugiperda as a target pest, or an insecticide component is added for attracting and killing the spodoptera frugiperda.
In conclusion, the composition of the insect pheromone attractant for spodoptera frugiperda is added with the unique components (E) -7-dodecene acetate and (Z) -11-tetradecene acetate of the spodoptera frugiperda pheromone on the basis of the prior art, so that the attraction of target pests is ensured, the insect attraction amount of the target pests is increased, and the types of the mixed pests are reduced. Meanwhile, the synergist and the protective agent are added, on the basis of spodoptera frugiperda pheromone components, proper components and content thereof are screened from numerous components to increase the attraction effect, reduce the adverse effect of environmental change on spodoptera frugiperda pheromone, prolong the effective period of the composition and increase the field applicability, wherein the effective period can reach more than 90 days, and the rate of the mixed insects is less than 1%.
The specific implementation mode is as follows:
the present invention is further illustrated by the following examples, which should not be construed as limiting the invention thereto.
Example 1:
the composition of the insect pheromone attractant for spodoptera frugiperda comprises the following components in percentage by mass: the slow release solvent component is a composition of n-hexane and dioctyl terephthalate, and the weight ratio is as follows: 86.5 percent; the synergist is phenylacetaldehyde, and the content is 0.5%; the protective agent component is a composition of tetra (beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid) pentaerythritol ester and sodium tri (2, 4-di-tert-butylphenyl) phosphite, and the content of the protective agent component is 10 percent; the mass content of the pheromone is 3 percent in total, and each composition component and the mass content of the pheromone are as shown in the following table, wherein the addition amount is the addition amount by taking the standard mass number as a unit, and the pheromone is added according to the required parts of related components.
Table 1: spodoptera frugiperda pheromone different composition component ratio table
Unit: portions are
| Formation of pheromone Is divided into | (Z) -11-hexadecene ethyl ester Acid esters | (Z) -7-dodecenylethyl ester Acid esters | (E) -7-dodecene ethyl ester Acid esters | ((Z) -9-tetradecene ethyl ester Acid esters | (Z) -9-dodecenylethyl ester Acid esters | (Z) -11-tetradecene ethyl ester Acid esters |
| Composition 1 | 10 | 5 | 0 | 80 | 2 | 0 |
| Composition 2 | 10 | 5 | 10 | 80 | 2 | 0 |
| Composition 3 | 10 | 5 | 0 | 80 | 0 | 3 |
| Composition 4 | 10 | 0 | 10 | 80 | 0 | 3 |
| Composition 5 | 10 | 5 | 10 | 80 | 2 | 3 |
| Composition 6 | 1 | 1 | 20 | 120 | 10 | 1 |
| Composition 7 | 10 | 5 | 10 | 80 | 2 | 6 |
| Composition 8 | 5 | 2.5 | 1 | 100 | 1 | 1.5 |
| Composition 9 | 0 | 0 | 10 | 0 | 0 | 3 |
Test site: corn planting base of Yi nationality of Haini nationality of Honghe of Yunnan province, Monself city, Yunnan province
Crop: corn (corn)
Time: 5-8 months in 2019
Adding the compositions 1-9 of the insect pheromone attractant for Spodoptera frugiperda, which are composed according to the components and the mass, into a polyvinyl chloride slow-release bag, respectively placing the bags in traps to perform a field attraction effect test on target pests, wherein the interval of each trap is 25 meters, a random block design is adopted, each treatment is repeated for four times, continuous investigation is carried out for 90 days, the number of the attracted target pests and the number of the parasitic pests are recorded in the morning of each day, and statistics is carried out by taking the average number of the four repetitions of the compositions 1-9 as a unit: the total pest trapping amount, the spodoptera frugiperda trapping amount and the mixed insect trapping amount are calculated, and the daily average spodoptera frugiperda trapping amount and the mixed insect ratio are calculated, and the results are as follows:
table 2: statistical table of trapping results of field tests with different compositions
Unit: head with a rotatable shaft
As can be seen from Table 2:
(1) the results showed that compositions 5 to 8 comprising 6 insect pheromone attractants for Spodoptera frugiperda were significantly higher than compositions 1 to 4 in the attracting amount of Spodoptera frugiperda; 5-8 of the composition attract pests and other insects, the proportion of the composition is less than 1 percent. The composition 9 only contains two insect pheromone attractants of Spodoptera frugiperda, has the trapping amount of the Spodoptera frugiperda of less than 1-8, and has high rate of mixed insects;
compared with the compositions 5-8, the compositions 5, 7 and 8 have better attraction effect, the daily average attraction amount reaches 30 heads, and the rate of the mixed insects is lower. (2) Comparing the test results of compositions 1-3, it can be seen that: the total amount of insects attracted by composition 2 with the addition of (E) -7-dodecene acetate is significantly better than that of composition 1 and composition 3, while the amount of mixed insects and the proportion of mixed insects in composition 3 with the addition of (Z) -11-tetradecene acetate is significantly less than that in composition 1 and composition 2, and is only 3.9%.
(3) In comparison between the trapping results of the compositions 1 to 8 and the composition 9, the composition 9 containing only (E) -7-dodecene acetate and (Z) -11-tetradecene acetate had a low herbivory level and a high vermin-level, and it was found that the newly added pheromones (E) -7-dodecene acetate and (Z) -11-tetradecene acetate had a synergistic relationship with pheromones (Z) -11-hexadecene acetate, (Z) -7-dodecene acetate, (Z) -9-tetradecene acetate and (Z) -9-dodecene acetate;
example 2:
the composition of the insect pheromone attractant for spodoptera frugiperda comprises the following components in percentage by mass: the pheromone content is 0.5%, wherein the pheromone comprises the following components: 2.5 parts of (Z) -11-hexadecene acetate, 3 parts of (Z) -7-dodecene acetate, 5 parts of (E) -7-dodecene acetate, 90 parts of (Z) -9-tetradecene acetate, 5 parts of (Z) -9-dodecenol acetate, and 4.5 parts of (Z) -11-tetradecene acetate; the protective agent accounts for 7.2 percent by mass and comprises the components of 2- (2 '-hydroxy-5' -octylphenyl) -benzotriazole, 2-hydroxy-4-n-octyloxy-benzophenone and 2- (2H-benzotriazole-2-yl) -4, 6-di (1-methyl-1-phenylethyl) composition; the synergist accounts for 0.3 percent by mass, and comprises the following components of phenylacetaldehyde and acetic acid leaf alcohol ester 1: 1, mixing; the slow-release solvent components and the content ratio are shown in table 3, the total content of the slow-release solvent is 92 percent, and the compositions 1 to 3 are prepared according to the related ratio.
Meanwhile, the composition CK is compared with the composition CK under the condition that the slow-release solvent is not added under the condition that the ingredients and the contents of the Spodoptera frugiperda pheromone, the synergist and the protective agent are the same;
test site: han south China corn planting base in Wuhan city of Hubei province
Crop: corn (corn)
Time: 6-9 months in 2019
Adding a composition CK of an insect pheromone attractant for Spodoptera frugiperda and compositions 1-4 into a polyvinyl chloride capillary respectively according to the components and the mass to prepare a test for placing traps for carrying out field attraction effect of target pests, wherein each trap is spaced by 20 meters, a random block design is adopted, each treatment is repeated for four times, investigation is continued, a lasting period (the lasting period refers to the accumulated days capable of attracting the target pests) is recorded, the number of the attracted target pests and the number of the parasitic pests are recorded in the morning every day, and statistics is carried out by taking the average number of the four repetitions of the composition CK and the compositions 1-4 as a unit: and (3) the luring amount of Spodoptera frugiperda and the accumulated duration of the attractant are calculated: the daily average luring amount and the lasting period of Spodoptera frugiperda result is as follows:
table 3: proportion of different compositions of slow-release solvent and comparison of attraction effect of slow-release solvent
As can be seen from Table 3:
the compositions 1-3 containing the slow-release solvents with different component ratios have obvious advantages in the daily average luring amount and the lasting period of Spodoptera frugiperda, and the daily average luring amount is obviously higher than that of the composition CK.
Wherein the lasting period of the compositions 2-4 is more than 90 days. The slow-release solvent can improve the attraction effect of the composition of the insect pheromone attractant for spodoptera frugiperda, can promote the prolongation of the attraction lasting period, and can achieve the optimal attraction effect and lasting period by selecting a proper proportion.
Example 3:
the composition of the insect pheromone attractant for spodoptera frugiperda comprises the following components in percentage by mass: the pheromone content is 5%, wherein each component is as follows: 3 parts of (Z) -11-hexadecene acetate, 3.5 parts of (Z) -7-dodecene acetate, 15 parts of (E) -7-dodecene acetate, 113 parts of (Z) -9-tetradecene acetate, 3.4 parts of (Z) -9-dodecenol acetate, and 2 parts of (Z) -11-tetradecene acetate; wherein the mass ratio of the slow-release solvent is as follows: 89.9% of a composition containing n-hexane, oleic acid, isopropyl myristate and dioctyl terephthalate; the synergist content is 0.1%, and the composition contains Phenylacetaldehyde (PAA) and folic alcohol acetate; the components and the content ratio of the protective agent are shown in table 4, the total content of the protective agent is 5 percent, and the compositions 1 to 7 are prepared according to the relevant ratio.
Meanwhile, the composition CK is compared with the composition CK under the condition that the components and contents of the Spodoptera frugiperda pheromone, the slow-release solvent and the synergist are the same and the protective agent is not added;
for convenience of tabulation, A, B, C, D, E represents the following protectant components respectively
Wherein:
a is as follows: pentaerythritol tetrakis (beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate);
b is as follows: sodium tris (2, 4-di-tert-butylphenyl) phosphite;
c is as follows: 2- (2 '-hydroxy-5' -octylphenyl) -benzotriazole;
d is as follows: 2-hydroxy-4-n-octyloxy-benzophenone;
e is as follows: 2- (2H-benzotriazol-2-yl) -4, 6-bis (1-methyl-1-phenylethyl) phenol;
test site: zhongxiang corn planting base in Jingmen city, Hubei province
Crop: corn (corn)
Time: 6 to 9 months in 2019
Respectively adding a composition CK of the insect pheromone attractant for Spodoptera frugiperda and compositions 1-7 into a slow-release carrier butyl rubber head, placing the mixture in traps to test the field attraction effect of target pests, wherein each trap is spaced by 20 meters, adopting a random block design, repeating the treatment for four times, continuously investigating, recording the duration (the duration refers to the cumulative days capable of attracting the target pests), recording the number of the target pests and the number of the vermin attracted on the same day in the morning of each day, and counting by taking the average number of the four repetitions of the composition CK and the compositions 1-7 as a unit: the total pest trapping amount, the spodoptera frugiperda trapping amount, the mixed pest trapping amount and the cumulative duration of the attractants are calculated as follows: the effective period of spodoptera frugiperda is as follows:
table 4: proportion of different compositions of protective agent and comparison of attraction effect thereof
As can be seen from Table 4:
compositions 1-7 containing the protectant have significant advantages in terms of duration, with composition 5 having the longest duration, 107 days duration, and composition CK having only 8 days duration, and the visible protectant has significant effects in terms of extending the duration of the composition of the insect pheromone attractant for spodoptera frugiperda, in the proper components and proportions.
Example 4
The composition of the insect pheromone attractant for spodoptera frugiperda comprises the following components in percentage by mass: the pheromone content is 1.2%, wherein the pheromone comprises the following components: 9 parts of (Z) -11-hexadecene acetate, (Z) -7-dodecene acetate 1.5 parts of (E) -7-dodecene acetate 12.5 parts of (Z) -9-tetradecene acetate 97 parts of (Z) -9-dodecene acetate 6.5 parts of (Z) -11-tetradecene acetate 2.5 parts of; wherein the mass ratio of the slow-release solvent is as follows: 98 percent and comprises the following components: the composition of n-hexane and isopropyl myristate comprises 0.5% of protective agent by mass and a composition of 2-hydroxy-4-n-octyloxy-benzophenone and 2- (2H-benzotriazole-2-yl) -4, 6-bis (1-methyl-1-phenylethyl). The components and the content ratio of the synergist are shown in table 6, the total content of the synergist is 0.3 percent, and the compositions 1 to 5 are prepared according to the relevant ratio.
Meanwhile, the composition CK is compared with the composition CK under the condition that the components and the contents of the Spodoptera frugiperda pheromone, the slow-release solvent and the protective agent are the same and the synergistic agent is not added;
test site: corn planting base in kylin district of Qujing city, Yunnan province
Crop: corn field
Time: 5-8 months in 2019
Adding a composition CK of an insect pheromone attractant for Spodoptera frugiperda and compositions 1-5 into a polyvinyl chloride capillary respectively according to the components and the mass to prepare a test for placing traps for carrying out field attraction effect of target pests, wherein each trap is spaced by 25 meters, a random block design is adopted, each treatment is repeated for four times, investigation is continued, the duration (the duration refers to the cumulative days capable of attracting the target pests) is recorded, the number of the target pests attracted and the number of the vermin on the same day are recorded in the morning of each day, and statistics is carried out by taking the average number of the four repetitions of the composition CK and the compositions 1-5 as a unit: the total pest trapping amount, the spodoptera frugiperda trapping amount, the mixed pest trapping amount and the cumulative duration of the attractant are calculated as follows: daily average luring amount, lasting period and stability of Spodoptera frugiperda, wherein the stability is compared and reacted by statistical luring and collecting effects every 10 days, and the result is as follows:
table 5: adding synergist and trapping spodoptera frugiperda every 10 balances
| Results of the experiment | 1-10 days | 11-20 days | 21-30 days | 31-40 days | 41-50 days | 51-60 days | 61-70 days | 71-80 days | 81-90 days | 91-100 days | 101-110 days |
| Composition CK | 24 | 19 | 20 | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| Composition 1 | 23.2 | 18.2 | 17.2 | 16.3 | 18.3 | 19.4 | 15.3 | 0 | 0 | 0 | 0 |
| Composition 2 | 33.3 | 28 | 29.6 | 25.4 | 24.9 | 33 | 26.9 | 29.6 | 28.6 | 26.7 | 0 |
| Composition 3 | 19.2 | 19.8 | 20.1 | 17.8 | 18 | 17.3 | 19.1 | 18.3 | 0 | 0 | 0 |
| Composition 4 | 20.2 | 19.3 | 20.6 | 18.1 | 20.6 | 17 | 18.5 | 20.5 | 21 | 0 | 0 |
| Composition 5 | 39.3 | 41.5 | 38.2 | 36 | 36.8 | 42.1 | 39.6 | 36.5 | 38.2 | 37.5 | 33.8 |
Table 6: the proportions of different compositions of the synergist and the comparison of the attraction effect
(1) As can be seen from tables 5 and 6: the compositions 1-5 containing the synergist have obvious advantages in the daily average luring amount, the lasting period and the stability of Spodoptera frugiperda. The daily average insect-attracting amount of the composition is obviously higher than that of the composition CK and reaches 17.9-60.7 percent. The lasting period of the compositions 1 to 5 is higher than that of the compositions without the synergist, wherein the lasting period of the composition 5 is longest and reaches 111 days; as seen by standard error, compositions 1-5 were more stable than composition CK in luring insect populations. The visible synergist can improve the attraction effect of the composition of the insect pheromone attractant for spodoptera littoralis, and prolong the attraction duration while keeping stable attraction of spodoptera littoralis, and the synergist phenylacetaldehyde and the ethyl acetate can achieve better attraction effect at a proper addition ratio.
Example 5
The attractant composition is prepared from the components according to the following proportion, and the following spodoptera frugiperda insect attractant core (detailed in table 7) is prepared, and compared with the effects of the prior art 1-3;
test site: yunan province Qujing corn planting base, Yunan Red river Mongolian corn planting base
Crop: corn (corn)
Time: 5-8 months in 2019
Trap arrangement: every trapper is spaced by 20 meters, a random block design is adopted, every treatment is repeated for 4 times, the investigation is continued, the duration (the duration refers to the accumulated days for attracting the target pests) is recorded, and the number of attracted target pests and the number of the vermin are recorded every morning, and the results are as follows:
TABLE 7 core inducing components prepared by the present invention and a ratio table
TABLE 8 comparison of the attractant Effect of the invention with that of the prior art
TABLE 9 comparison of the luring effect of the lure according to the present invention and the luring effect of the prior art in different areas
As can be seen from tables 8 and 9:
compared with the existing lure in the market, the lure has the characteristics of long lasting period, large pest attracting amount, strong specificity, high stability and the like, is suitable for trapping and killing the spodoptera frugiperda in multiple regions and multiple crops, can meet the requirement of accurate and stable monitoring of field target pests, and can be put into the market for use.
The above description is not meant to be limiting, it being noted that: it will be apparent to those skilled in the art that various changes, modifications, additions, substitutions and limited experimentation can be made without departing from the spirit and scope of the invention.
Claims (6)
1. A composition of an insect pheromone attractant for spodoptera frugiperda, comprising:
the components of the composition comprise: spodoptera frugiperda pheromone, a slow-release solvent, a synergist and a protective agent, wherein the Spodoptera frugiperda pheromone comprises the following components: (Z) -11-hexadecene acetate, (Z) -7-dodecene acetate, (E) -7-dodecene acetate, (Z) -9-tetradecene acetate, (Z) -9-dodecene acetate, and (Z) -11-tetradecene acetate;
the spodoptera frugiperda pheromone component comprises, by mass, 1-10 parts of (Z) -11-hexadecene acetate, 1-5 parts of (Z) -7-dodecene acetate, 1-20 parts of (E) -7-dodecene acetate, 80-120 parts of (Z) -9-tetradecene acetate, 1-10 parts of (Z) -9-dodecene acetate and 1-6 parts of (Z) -11-tetradecene acetate.
2. The composition of claim 1, wherein: the slow release solvent is one or a combination of n-hexane, oleic acid, isopropyl myristate and dioctyl terephthalate.
3. The composition of claim 1, wherein the synergist is one or a combination of phenylacetaldehyde and folic alcohol acetate.
4. The composition of claim 1, wherein: the protective agent comprises: one or more of pentaerythritol tetrakis (beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate), sodium tris (2, 4-di-tert-butylphenyl) phosphite, 2- (2 '-hydroxy-5' -octylphenyl) -benzotriazole, 2-hydroxy-4-n-octyloxy-benzophenone, and 2- (2H-benzotriazol-2-yl) -4, 6-bis (1-methyl-1-phenylethyl) phenol.
5. The composition of claim 1, wherein: the composition comprises 0.5-5% of pheromone component and slow-release solvent component by mass: 85-98%, synergist 0.1-0.5%, and protectant 0.5-10%.
6. The composition of claim 1, wherein: the composition can be used for attracting and trapping spodoptera frugiperda alone or in combination with a carrier.
Priority Applications (1)
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| CN114271274B (en) * | 2022-01-06 | 2022-09-13 | 中国农业科学院植物保护研究所 | Attractant composition for spodoptera frugiperda and application thereof |
| CN115769818B (en) * | 2023-01-30 | 2023-05-12 | 华南农业大学 | Application of (cis) -3-hexenol acetate in inducing spodoptera frugiperda to spawn and serve as spodoptera frugiperda attractant |
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