CN102715155B - Artificially synthesized phyllocnistis citrella stainton gyplure - Google Patents

Abstract

The invention discloses an artificially synthesized phyllocnistis citrella stainton gyplure. The gyplure is prepared by the following steps: mixing cis7 cis11-hexadecadienal, cis7 cis11 trans13- hexadecatrienal, cis7-hexedecanal and ethyl acetate in proportion by weight parts of 30:(1-30):(0.1-20):(0.1-20); adding 0.1 to 1 weight percent of vitamin E, TBHQ (tert-butyl hydroquinone), BHT (butylated hydroxytoluene) or BHA (butylated hydroxyanisole) as an antioxidant; and adding 0.1 to 1 weight percent of benzophenone, benzotriazole or hindered amine and mixture as an optical stabilizer. The artificially synthesized phyllocnistis citrella stainton gyplure has the following advantages: phyllocnistis citrella stainton diseases can be prevented and monitored, the trapping effect can be intensified and cost can be reduced, industrial efficiency improvement and orchard worker income increase can be facilitated, orange pesticide residue does not exist, the environment is not polluted, ecological balance is not destroyed, and sustainable development of orange industry is facilitated.

Description

A kind of artificial synthetic phyllocnistis citrella stainton gyplure

Technical field

The invention discloses a kind of insect sex attractant, relate in particular to a kind of artificial synthetic phyllocnistis citrella stainton gyplure.

Background technology

Citrus leaf-miner (Phyllocnistis citrella stainton) belongs to Lepidoptera ,Ye lyonetid section, after taking food, this worm can form on the surface of tender leaf, the tender tip irregular hollow tunnel, therefore call drawing worm, scrawly handwriting, scratch worm, and on the tender shoots tender leaf that the ovum of this worm only produces at citrus, and can near leaf margin, leaf roll be risen and surround health and pupate, with larva and pupa, in the late fall of citrus, on the tip, the winter tip or autumn growth, pass the winter, autumn growth rate of damage reaches 100%.Simultaneously because citrus tender leaf, the tender tip cause a large amount of wounds after being eaten into food, often bring out the generation of citrus ulcer, the blade of rolling provides the good place of passing the winter to again evil mite, armored scale, mealybug and tortrix moth etc., cause multiple insect pest to spread unchecked, and citrus leaf-miner reproduction speed is fast, generation overlap, multiple worm state deposit, cause control difficulty, greatly affecting citrus produces, to orchard worker, cause serious economic loss, it is one of main citrus pest in a plurality of countries and regions, domestic oranges and tangerines producing region is all injured, and is injured the most serious on the south the Changjiang river.Tradition control citrus leaf-miner mainly adopts chemical pesticide to prevent and treat; but the abuse along with chemical pesticide; caused citrus leaf-miner pesticide resistance to strengthen; actual control efficiency is unsatisfactory; and can cause the residual problems affect food security of citrus agriculture; also can be to environment; and protection and to utilize the natural enemy of citrus leaf-miner prevent and treat be the safe approach of economy; but because the abuse of chemical pesticide has destroyed the balance of natural ecosystems; citrus leaf-miner natural enemy quantity is reduced, utilize natural enemy to prevent and treat difficulties.In recent years, the green Prevention Technique of utilizing artificial synthetic insect sex pheromone to disturb female male worm mating to breed offspring becomes main flow gradually, adopts the research of artificial synthetic citrus leaf-miner sex pheromone control citrus leaf-miner also to obtain related developments both at home and abroad.Research shows that the female worm of citrus leaf-miner can release property pheromones lure male worm trend, mating, lay eggs, if cut off this approach of breeding, just can effectively control insect population quantity, minimizing insect pest.American scientist the earliest Analysis and Identification goes out the active ingredient of citrus leaf-miner sex pheromone, Leal etc. (2006) determine along 7 along 11 anti-13-16 carbon three olefine aldehydrs, after mixing with the ratio of 30:10:1 along 11-hexadecadienoic aldehyde with along 7-hexadecenal along 7, Brazilian citrus leaf-miner population is had to attractive activity, Moreira etc. (2006) are at California, USA, Stelinski and Rogers (2008) and Lapointe etc. (2006) studies have shown that along 7 along 11 anti-13-16 carbon three olefine aldehydrs at Fla., along 7, along 11-hexadecadienoic aldehyde, local citrus leaf-miner population is had to attractive activity.In Japan, Mafi et al. (2005) confirms to only have suitable 7 along 11-hexadecadienoic aldehyde, local citrus leaf-miner male worm to be had to attractive activity.Domestic, Jiang Yaozhi etc. (2008) introduce to comprise along 7 from the U.S. and carry out application study along 11 anti-13-16 carbon three olefine aldehydrs, the suitable 7 citrus leaf-miner gyplures along 11-hexadecadienoic aldehyde, show that this gyplure has significant attractive activity to the citrus leaf-miner male worm in Guangzhou, Shenzhen and area, Xinyu, Jiangxi.Qian Jiebing etc. (2009) carry out field trial in Ningbo of Zhejiang, result shows that suitable 7 of single component just can show stronger attracting action along 11 anti-13-16 carbon three olefine aldehydrs to citrus leaf-miner male worm, and single component does not have attractive activity along 7 along 11-hexadecadienoic aldehyde, along 7, along 11 anti-13-16 carbon three olefine aldehydrs and suitable 7 binary mixtures along 11-hexadecadienoic aldehyde, when being 30:1, mass ratio lure worm amount the highest, and along 7 along 11 anti-13-16 carbon three olefine aldehydrs, suitable 7 along 11-hexadecadienoic aldehyde, ternary mixture along 7-hexadecenal has remarkable synergistic effect when mass ratio is 100:10:3, dosage and trapping activity test result also show that each lures core to comprise 1 milligram the strongest along 11 anti-13-16 carbon three olefine aldehydr attracting actions along 7.The impartial invention disclosed patent of Zhejiang Du Yong " lure the sex pheromone composition of citrus leaf-miner and lure core " (application number 201010257162.5) point out by along 7 along 11 anti-13-16 carbon three olefine aldehydrs, along 7 along 11-hexadecadienoic aldehyde, along 7-hexadecenal according to 1～100: 0～100: 1～10 mass ratio mixes the sex pheromone forming and lures core, each lures in the dosage range of core 40 microgram to 1333 micrograms effective, but take 400 microgram accumulated doses as trapping best.Yet, in fact because country variant and regional citrus leaf-miner population there are differences, along 7 along 11 anti-13-16 carbon three olefine aldehydrs, along 7 along 11-hexadecadienoic aldehyde, whether have attractive activity also to need further further investigation to the citrus leaf-miner population of different geographic regions along the mixtures of 7-hexadecenal.Fujian is one of major production areas of citrus, the harm of citrus leaf-miner is more serious, large-scale promotion adopts gyplure control citrus leaf-miner in recent years, but while applying in field, find to adopt by unsatisfactory along the 7 gyplure control citrus leaf-miner actual effects that mix along 11-hexadecadienoic aldehyde, suitable 7-hexadecenal along 11 anti-13-16 carbon three olefine aldehydrs, suitable 7, need badly prior art is improved.

Summary of the invention

The object of this invention is to provide a kind of artificial synthetic phyllocnistis citrella stainton gyplure, when improving phyllocnistis citrella stainton attractive activity, can reduce gyplure consumption, cost-saving when strengthening effect.

For solving the problems of the technologies described above, the present invention is achieved by the following technical solution: adopt along 7 along 11-hexadecadienoic aldehyde, along 7 along 11 anti-13-16 carbon three olefine aldehydrs, along 7-hexadecenal as the Main Components of luring, add ethyl acetate as synergist, specifically will along 11-hexadecadienoic aldehyde, suitable 7, along 11 anti-13-16 carbon three olefine aldehydrs, suitable 7-hexadecenal, ethyl acetate, according to parts by weight ratio 30:1～30:0.1～20:0.1～20, mix along 7.By field experiment show along 7 along 11-hexadecadienoic aldehyde, along 7 along 11 anti-13-16 carbon three olefine aldehydrs, along the ethyl acetate that adds doses in the mixture of 7-hexadecenal, compare the mixture of the same formula that does not add ethyl acetate, on average lure phyllocnistis citrella stainton quantity will exceed more than 50%, can greatly strengthen attractant effect.Preferably, add again parts by weight and be 0.1～1% vitamin E, TBHQ, BHT or BHA as antioxidant, benzophenone class, benzotriazole or the hindered amines that interpolation parts by weight are 0.1～1% and built agent are as light stabilizer, attractive activity that can long period retentivity lure, extends and lures valid expiration date.

Good effect of the present invention is: be applied to the control of citrus leaf-miner damage by disease and insect and observe and predict, greatly improve the attractant effect of gyplure to phyllocnistis citrella stainton, can reduce gyplure consumption simultaneously, cost-saving again when strengthening attractant effect, be conducive to industry synergy, orchard worker increases income, and can not have the residual problem of citrus agriculture, free from environmental pollution, do not destroy the ecological balance, be conducive to promote the sustainable development of citrus industry.

Embodiment

For the ease of understanding the present invention, below in conjunction with specific embodiment, the present invention is further set forth to explanation.Its effect is understood to be further concrete elaboration of the present invention, and not the present invention is formed to any type of restriction.

First will along 11-hexadecadienoic aldehyde, suitable 7, along 11 anti-13-16 carbon three olefine aldehydrs, suitable 7-hexadecenal, ethyl acetate, according to parts by weight ratio 30:1～30:0.1～20:0.1～20, mix along 7, table 1 has provided the formula of the concrete parts by weight ratio of Main Components, add again parts by weight and be 0.3% vitamin E as antioxidant, the benzophenone class that interpolation parts by weight are 0.3%, as light stabilizer, makes a kind of artificial synthetic phyllocnistis citrella stainton gyplure of the present invention.Get doses and pack in slow-released carrier, be used in conjunction with trapper, can trap and kill phyllocnistis citrella stainton, table 1 gives the actual trap effect of the formula of concrete parts by weight ratio.

Table 1

As can be seen from Table 1, embodiment 1-6 all has attractant effect to phyllocnistis citrella stainton, wherein the attractant effect of embodiment 1, embodiment 3, embodiment 5 is better, the mixture attractant effect of comparing the same formula that does not add ethyl acetate on average exceeds 57.03%, be applied to the control of citrus leaf-miner damage by disease and insect and observe and predict, can reach better attractant effect with the dosage of luring of less amount, reduce cost accounting.

Claims (2)

1. an artificial synthetic phyllocnistis citrella stainton gyplure, is characterized in that: by mixing and form according to parts by weight ratio 30:16～25:10～17:8～15 along 11 anti-13-16 carbon three olefine aldehydrs, suitable 7-hexadecenal, ethyl acetate along 11-hexadecadienoic aldehyde, suitable 7 along 7.

2. artificial synthetic phyllocnistis citrella stainton gyplure according to claim 1, be further characterized in that and add vitamin E, TBHQ, BHT or BHA that parts by weight are 0.3% as antioxidant, benzophenone class, benzotriazole or the hindered amines that to add parts by weight be 0.3% and built agent are as light stabilizer.