CN209749560U - special armyworm plate for south American tomato leaf miner - Google Patents

Abstract

The utility model belongs to agricultural pest prediction and prevention and cure field, concretely relates to special mythimna separata board of south america tomato leaf miner. The insect sticking plate special for the south American tomato leaf miner comprises a base layer, an adhesive layer and a coloring layer, wherein the adhesive layer is uniformly coated on the base layer, the coloring layer is uniformly coated on the adhesive layer, and the coloring layer is blue. The utility model discloses a colored mythimna separata board of specific wavelength has improved forecast accuracy and prevention and control effect to south American tomato leaf miner, low cost, and convenient to use is effective, easy operation, and the environmental protection is pollution-free, suitable organic vegetable production base, organic fruit production base in facility agriculture/protected area to and vegetables and fruit sightseeing are promoted in picking garden field prevention and cure.

Description

Special armyworm plate for south American tomato leaf miner

Technical Field

The utility model belongs to agricultural pest prediction and prevention and cure field, concretely relates to special mythimna separata board of south america tomato leaf miner.

Background

South America tomato leaf miner Tuta absoluta (Meyrinck), the alias tomato leaf miner, tomato leaf miner and tomato wheat moth, the common name of the tomato leaf miner and the international common name of the South American tomato leaf miner are preferred in English, belong to Lepidoptera (Lepidotera) Merlongae (Gelechiideae), are native to Peru in South America, and are a worldwide quarantine invasive pest. The Nanmei tomato leaf miner host has a wide range, is harmful to vegetables (such as tomatoes, eggplants, pimientos, beans, spinach and the like), fruits (such as cherry tomatoes/cherry tomatoes, physalis pubescens, ginseng fruits and the like), grain crops (such as potatoes), sugar crops (such as beets), tobacco, weed plants (such as black nightshade, Convolvulus arvensis and the like) and the like, is quickly diffused, has extremely high yield reduction rate when serious occurrence occurs, and even destroys seeds for reseeding. At present, although the south American tomato leaf miner only occurs in local areas of China, serious harm is caused to tomatoes in protected areas and open areas, so that the strengthening of the green prevention and control of the south American tomato leaf miner is the primary premise for guaranteeing the healthy development of vegetable and fruit industries.

The south American tomato leaf miner occures concealably, and the larva thereof can eat mesophyll in leaf tissues or eat fruits; the adult insects are of a dusk active type, and can mate with males and females for multiple times, and the adult insects are difficult to find early in the early period of occurrence. Traditional chemical agent prevention and control methods mainly target larvae, are not ideal in control effect and cause drug resistance. The existing sex pheromone trapping technology of targeted imagoes needs to rely on sex attractant/sex attraction core, and can only trap and kill male imagoes, and the control effect on pests with multiple mating is low. The light trapping and killing technology is to utilize the phototaxis characteristic of insects to prevent and control pests, including black light lamps, frequency vibration lamps or high-pressure mercury lamps, etc. although the light trapping and killing technology has the trapping and killing effect on male and female adults, natural enemies and neutral insects are often injured. Target objects of the colored sticky board trapping and killing technology are microminiature insects, wherein yellow sticky boards mainly target pests of hemiptera and diptera, such as whitefly, winged aphid, leafhopper, psylla, liriomyza and the like, are commonly used in fields, but have no trapping and trapping effect on lepidoptera pests, have poor selectivity and often injure natural enemy insects, such as parasitic wasps, green lacewing and the like; the green sticky board mainly targets hemipteran pests such as aphids, plant hoppers, plant bugs and the like, but has no trapping, trapping and killing effects on lepidoptera pests; the blue sticky board is mainly used for targeting pests of thysanoptera and diptera, such as thrips, liriomyza, seed flies and the like, is particularly used for preventing and controlling pests of thrips and is frequently used in fields, but has no trapping, trapping and killing effects on lepidoptera pests.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special mythimna separata board of south america tomato leaf miner.

According to the utility model discloses embodiment's special mythimna separata board of south america leaf miner, the mythimna separata board includes stratum basale, adhesive layer and dyed layer, the adhesive layer evenly coats on the stratum basale, the dyed layer evenly coats on the adhesive layer, just the colour of dyed layer is blue.

According to the utility model discloses specific embodiment's special mythimna separata board of south america leaf miner, the blue wavelength of dyed layer is 455nm ~ 475 nm.

According to the utility model discloses embodiment's special mythimna separata board of south america leaf miner, the shape of mythimna separata board is the rectangle.

According to the utility model discloses embodiment's special mythimna separata board of south america leaf miner, the length of mythimna separata board is 25 centimetres, and the width is 20 centimetres.

According to the utility model discloses embodiment's special mythimna separata board of south america leaf miner, the central authorities of mythimna separata board still are provided with sex luring core.

The utility model has the advantages that:

(1) The colored armyworm plate with the specific wavelength can specifically lure and stick Nanmei tomato leaf miners, and no natural enemy insects are stuck and killed in field application, so that the specificity is strong;

(2) the utility model has simple structure, saves the use cost, reduces the cost of controlling adult Nanmei tomato leaf miner in facility agriculture/protected area by more than 10 times, and favorably promotes the forecast, physical control and comprehensive control of the Nanmei tomato leaf miner;

(3) The utility model has obvious inducing and sticking effects on male adults and female adults when inducing and sticking Nanmei tomato leaf miners in the field, the proportion of female adults is 20.1 percent of the total inducing amount on average, and 59.5 percent of individuals among the female adults are female ova, so the measuring and reporting accuracy is high;

(4) The utility model adopts the color plates with specific wavelength to trap, and the placement of each colored sticky trap can be completed within 5 minutes, and the operation process is simple, rapid and efficient;

therefore, the utility model discloses a practicality is strong, can satisfy the needs of prediction forecast and pest control.

Drawings

FIG. 1 is a schematic structural view of the insect sticking plate of the present invention; wherein, 1-a substrate layer; 2-an adhesive layer; 3-a coloured layer;

FIG. 2 shows the results of selection of different color/wavelength plate traps by adult Nanmei tomato leaf miners;

FIG. 3 shows the results of selection of female and male adult Nanmei tomato leaf miner on blue armyworm plates of different hanging heights;

Fig. 4 shows the mutagenic sticking results of the blue armyworm plate to female and male adults of south american tomato leafminer, where a: inducing and sticking results to adults of different sexes; b: inducing and sticking the female imagoes and the oozing female imagoes.

Detailed Description

EXAMPLE 1 Structure of insect sticking plate

As shown in fig. 1, the utility model discloses a pest sticking board includes stratum basale 1, adhesive layer 2 and dyed layer 3, adhesive layer 2 evenly coats on stratum basale 1, dyed layer 3 evenly coats on adhesive layer 2, just dyed layer 3's colour is blue.

The utility model discloses a shape of mythimna separata board is the rectangle, and length is 25 centimetres, and the width is 20 centimetres.

The utility model discloses a blue wavelength range of coating on the mythimna separata board is 455nm ~ 475nm, can play the effect that the specificity was trapped and killed to south American tomato leaf miner.

In order to improve the trapping effect, the middle part of the sticky trap is provided with a sexual attracting core.

Example 2 selection of Nanmei tomato leaf miner adults on different color/wavelength plate traps

The south American tomato leaf miner is used as a trapping object, the greenhouse area is 0.8-1.0 mu/plant, and the host plant is fresh-eating tomatoes. Selecting a rectangular insect sticking plate with the size of 25 cm multiplied by 20 cm, arranging an experimental group and a control group, wherein the control group selects 4 colors of white, green, yellow and blue colored insect sticking plates, white is blank, and 1 granular lure is stuck in the center of each insect sticking plate; the control was a colored armyworm plate of 4 colors, white, green, yellow and blue, where white is blank. The pest sticking plate is placed at the entrance of the greenhouse close to the passage of the north corridor, the most commonly used white is used as a reference, the green (the wavelength is 520 +/-10 nm), the yellow (the wavelength is 575 +/-10 nm) and the blue (the wavelength is 465 +/-10 nm) are used as targets to carry out a adult selection test, the number of the attracted adults on the pest sticking plate is observed for 1 time every day, and the adult trapping is continuously carried out for 3 weeks by setting 5 greenhouse for repetition.

And (3) a control group result without the sex attractant core is obtained, wherein in 5 greenhouse repetition, the white pest sticking plates and the green pest sticking plates are not stuck to adults, the yellow pest sticking plates are stuck to 1-2 adults, and the number of the blue pest sticking plates stuck to the adults in 5 greenhouses is different.

The results of the experimental groups are shown in FIG. 3, green, yellow and blueThe number of imagoes of the luring and sticking device for luring and killing the south American tomato leaf miner on average one day is respectively 15.7 +/-1.2 heads, 33.4 +/-4.9 heads and 38.5 +/-10.7 heads which are respectively 2.79 times, 5.95 times and 6.86 times of that of a control (white sticky trap) and is yellow (F)_1,30.005; one way ANOVA, LSD test) and blue (F)_1,30.001; one way ANOVA, LSD test) was very significantly different from the white control in the number of the attracted insects. Moreover, the number of the attracted insects of the blue sticky board is 21.1 percent and 145.2 percent higher than that of the attracted insects of the yellow sticky board and the green sticky board respectively.

The field selection test result shows that the blue armyworm plate with the wavelength of 465 +/-10 nm (455-475nm) of the experimental group has a good trapping effect on the adult Nanmei tomato leaf miner.

Example 3 trapping effect of blue armyworm plates with different hanging heights on adult Nanmei tomato leaf miner

The method is characterized in that Nanmei tomato leaf miners are used as trapping objects, the area of a greenhouse is 2.5-3.0 mu/plant, the greenhouse is harvested in a sightseeing mode, the host plant is cherry tomatoes, the plant height is 1.5-2.2 m, the plastic flower bed is cultivated in a soilless mode, and a seedling hanging rope is erected. The pest sticking board is placed at a position of the shed frame close to a middle channel (the channel width is 2.5 meters), 5 different suspension heights are set by taking the blue single-sided pest sticking board with the wavelength of 455-475nm as a test object, and the distances from the ground are respectively as follows: 1) the distance between the insect sticking plate and the ground is zero cm, namely the insect sticking plate is directly placed on the ground and is parallel to the ground; 2) the distance between the fixing wire and the ground is 0-20 cm, namely, the fixing wire penetrates through the insect sticking plate hanging hole to be fixed on the metal bracket and is vertical to the ground; 3) 60-80 cm away from the ground, namely, a fixing wire penetrates through the insect sticking plate hanging hole to be fixed on the metal bracket and is vertical to the ground; 4) the distance between the fixing wire and the ground is 120 cm and 140 cm, namely the fixing wire penetrates through the insect sticking plate hanging hole to be fixed on the metal bracket and is vertical to the ground; 5) the distance between the fixing wire and the ground is 180 cm and 200 cm, namely the fixing wire penetrates through the insect sticking plate hanging hole to be fixed on the metal bracket and is vertical to the ground. The height of the above 5 kinds of insect sticking plates is freely selected by adult south American tomato leaf miner. The trapping was repeated for 7 days in 2 greenhouse.

As shown in FIG. 3, the blue armyworm plate without the sex attractant core and with the wavelength of 455-475nm can attract and adhere to the Nanmei tomato leaf miner. The daily average insect trapping amount of the blue armyworm plate which is zero cm away from the ground is 37.3 +/-14.4 heads per armywormThe suspension heights of the plates are respectively 2.33 times and 13.38 times (F) of 0-20 cm, 60-80 cm, 120-140 cm and 180-200 cm_1,40.031; one way ANOVA, LSD test), 34.80 times (F)_1,40.026; one way ANOVA, LSD test) and 47.45 times (F)_1,40.026; one way ANOVA, LSD test), and the difference is significant, and then, a mythimna separata plate with a height of 0-20 cm is hung, and the daily average insect-attracting amount is 16.0 ± 11.3 heads/mythimna separata plate; the other 3 sticky trap plates with higher suspension have less trapping quantity, and the daily number of the other 3 sticky trap plates is less than 3 per sticky trap plate. In addition, further microscopic examination shows that the blue sticky trap not only traps male adults, but also traps a certain number of female adults, for example, a sticky trap with the distance of zero cm from the ground induces female adults 9.4 +/-4.4 heads/sticky trap every day, and a sticky trap with the hanging height of 0-20 cm induces female adults 3.5 +/-2.1 heads/sticky trap every day; and more than 63% of the female imagoes are induced to stick to a sticky trap plate with the distance of zero cm from the ground, and then the sticky trap plate with the hanging height of 0-20 cm is arranged, and the induced female rate is about 22%.

in the prior art, the sticky trap is used by hanging it about 20 cm above the crop. The utility model discloses a field selection experiment discovers, apart from zero centimetre on ground, the coloured mythimna separata board that the wavelength is 465 +/-10 nm (455 supple by rice wine 475nm) has fine trapping effect to south america tomato leaf miner adult, not only can lure glutinous male adult, but also can lure glutinous female adult.

Example 4 verification the utility model discloses the sticky trap is to female and male adult's of south America tomato leaf miner induced bonding fruit

The method is characterized in that Nanmei tomato leaf miners are used as trapping objects, the area of a greenhouse is 2.5-3.0 mu/plant, the greenhouse is harvested in a sightseeing mode, the host plant is cherry tomatoes, the plant height is 1.5-2.2 m, the plastic flower bed is cultivated in a soilless mode, and a seedling hanging rope is erected. The pest sticking plate is placed at a position of the shed frame close to a middle channel (the channel width is 2.5 meters), a blue single-sided pest sticking plate with the screened wavelength of 455-475nm is taken as a test object, and the pest sticking plate is horizontally placed at a distance of zero centimeters from the ground. The procedure was repeated in 6 incubators and induced to stick for 7 days.

The results are shown in A, B in FIG. 4, the average single-plate pest trapping amount of the armyworm plate per day is 30.9 +/-4.8, 51 heads/armyworm plate can be trapped in the highest single day, and the armyworm plate can trap both the armyworm adult and the female adult; wherein the average daily veneer induces 24.4 +/-3.3 heads of the adult myxomale; the single plate can induce 6.5 +/-1.7 female imagoes per day, and the single plate can induce 14 female imagoes per day. The induced female imagoes account for 20.1 +/-2.7 percent of the population ratio, and 59.5 +/-10.9 percent of the individuals are the female armyworms.

The traditional method of use of a sticky trap is to hang it approximately 20 cm above the crop. The utility model discloses a result is shown to trap and kill in field, places the coloured mythimna separata board level of specific wavelength subaerial can trap and kill south American tomato leaf miner adult well, traps and kills the adult and includes male adult, female adult to and the female worm of armful ovum of high ratio, and does not see the natural enemy insect and is glued and kill.

Claims (5)

1. The insect sticking plate special for the south American tomato leaf miner is characterized by comprising a base layer, an adhesive layer and a coloring layer, wherein the adhesive layer is uniformly coated on the base layer, the coloring layer is uniformly coated on the adhesive layer, and the coloring layer is blue.

2. the armyworm plate special for south American tomato leaf miner as claimed in claim 1, wherein the blue wavelength of the coloring layer is 455-475 nm.

3. The armyworm plate special for south American tomato leaf miner as claimed in claim 1, wherein the shape of the armyworm plate is rectangular.

4. The armyworm plate special for Nanmei tomato leaf miner as claimed in claim 3, wherein the length of the armyworm plate is 25 cm, and the width of the armyworm plate is 20 cm.

5. the armyworm plate special for the Nanmei tomato leaf miner as claimed in claim 1, wherein a sex attractant core is further arranged in the center of the armyworm plate.