Wednesday, December 15, 2010

Guangyuan orange maggot outbreak of citrus orchard recommendations: first, do not oranges.

<P> Sichuan Guangyuan citrus orchards Wangcang fruit fly outbreak of the epidemic large unified purchase of government-funded 300 million for safe disposal Guangyuan orange, ... ... torn Sichuan Guangyuan orange, orange maggots coming out of two meat, chicken .Ming Mountain Orchard is famous Guangyuan citrus groves. .Chen Xianyang old man brought a reporter had just finished picking the fruit of the orange grove, the trees have been empty, leaving a fruit. .Place on a relatively flat, one meter, three meters wide and five meters long "buried orange" hole was dug, the pit piled with thousands of kilograms of outer dense orange, is awaiting delivery of lime to disinfect to start .treatment. .In half green half yellow orange heap, Chen Xianyang to pick up three oranges, looks good, no cracks and no holes, one a separate case, the rough look, there is no any different, but when he chose an orange .crimson, orange flesh torn, the reporter saw two immediate than long grain white worms crawl out ... ... Chen Xianyang, said he and the villagers are to be notified on Sept. 27 to pick citrus fruit mountain, "a tree .do not leave, were all acquired by the government! pick light, buried light, kill, this is head of the account of the 'triplet' policy Oh. </ P> <P> yesterday, concern for the reader, the reporter interviewed the relevant specialized agencies .staff. </ P> <P> outbreak of pest management is an important cause of sloppy, Wangcang Summer Farm Bureau 植保植检站 owners are confessed, for the record, the mid-nineties of last century there have been three townships had Wangcang .pests and diseases, as provinces and municipalities to take a tight group of experts organized control measures, cut off villages and towns of pests and diseases found in all citrus trees, orange grove after a long period of time is "clean." It is all out of the summer, this large-scale outbreak of the "big .fruit fly pest "and the recent relaxation of the orchard owners and the management of the contractor, in many places not to engage in tilling the soil, cleared the park and other winter pruning, pesticide spraying is not in place leading to pest and disease outbreaks and other important reasons. </ P .> <P> in order to prevent the spread of pests and diseases, Wangcang the county where the town along Highway 202 East, Whitewater town line to line designated as infected areas is prohibited in the region of citrus fruits and nursery stock sale, transporting out; especially in the .east and west ends of the junction of the Whitewater and other counties, it became two timber checkpoints set up "checkpoints", by agriculture, forestry and public security departments sent people to check; assigned to business, pharmaceutical, agriculture, forestry and other departments dispatched personnel .All of the county farmers market, individual stalls selling citrus fruit strict monitoring and quarantine. this tube to live, how to do the next two years, how to achieve "lasting stability"? It is summer all say so, on the basis of experience and the provinces .plant protection experts, in consultation with the conclusion the best way is cutting down trees, cutting down trees to be low after the graft, the other is the change of other economic trees planted. If you choose low grafting, must strengthen management throughout the year, depending on the season dig, repair .branches, fertilizing, spreading drug for 3 to 5 years in order to ensure a large fruit fly basically "disappeared". </ P> <P> eating "orange maggots" The human body will not be affected much </ P> <P> It .Guangyuan City Bureau of Agriculture 植保植检站 on staff, a large citrus fruit fly is a parasite, and highly covert. only one prosthetic ripped orange meat, rice can be found in the length of the white maggots, so orange is orange .likely to be eaten. eating the "orange maggots" will not cause harm? Guangyuan, deputy director of CDC, said Dr Sun Wenming, a small amount of maggots eating oranges will not produce any problems, there are no medical causes disease .report. consumers of citrus fruit, be careful and try not to eat "orange maggots," and, if feeling unwell, should seek medical care immediately. </ P> <P> large citrus fruit fly, commonly known as "orange maggots" ., killed fruit called "maggot fruit," "maggot orange", is the international and domestic plant quarantine pests. Citrus Large fruit fly, 60-70 years since the last century began in the county since the epidemic was increasing year by year trend. Because of its .place area, against loss of weight, infected fruit are not allowed to export, to the growers resulting in huge economic losses, the county has become the first major citrus pests in production. In order to quickly control a large citrus fruit fly damage, protection .Citrus production safety, now a large citrus fruit fly control techniques as outlined below the main: </ P> <P> one, trapping adults. oviposition by citrus fruit fly in front of a large supplementary feeding nutrition (sugar sex trend .) and living habits, can sugar, wine vinegar, sugar trichlorfon trichlorfon solution or lure made of trapping adult. the specific methods and spray cans hanging method. </ P> <P> 1, spray: in .Sheng adult period (mid to late June 5, late) with 90% of the 100 grams of crystal trichlorfon (2 Two) + brown sugar 3 pounds + 100 pounds of water 500-800 times the proportion of preparation of liquid, at 9 am .adults start feeding before the large droplet spray in citrus orchards in the leafy, more citrus leaves results back. The whole garden spray 1 / 3 of the tree, each tree spray 1 / 3 of the crown changed every 5-7 days .Spray a position, continuous spray 4-5 times. </ P> <P> 2, hanging pot: 5 kg with brown sugar, 1 kg of wine, vinegar 0.5 kg, 0.2 kg of crystal trichlorfon, the proportion of 100 kilograms of water preparation .into a liquid and flourished in more than 15 cm diameter flat-bottomed container (such as cola bottles, hanging basket pots, cans, etc.), liquid depth of 3-4 cm is appropriate, put a few tanks to facilitate the adult section stood on dry twigs .feeding, and then hung on the branches of trapping adult. generally every 3-5 trees hanging a pot. hanging from late May to June in late end of the tank, once every 5-7 days to replace the liquid. </ P> < .P> Choose one of the above methods. liquid to the existing service is used to prevent the failure of Trichlorfon. At the same time according to the standard with liquid, and not easily increase or decrease the amount of crystal trichlorfon, so reduce the trapping effect. < ./ P> <P> II, cut off Insect. 1, removal of Fruit: Citrus trees in scattered, large fruit flies in citrus where serious harm, in the 7-8 month all the orange, red orange, grapefruit ., Citrus aurantium fruit and vegetable category pick all the light, so that the larvae of the fruit does not mature to achieve the purpose of dating. 2, cutting down trees dating: a very scattered planting of citrus varieties aging, poor quality of the area, can take a cut .Planting monthly an old tree seedlings of improved varieties of citrus approaches to updating. </ P> <P> Fruit and tree felling in the removal of the local dating, do not use the liquid trap and kill adults. </ P> <P> Third, removal of maggots .fruit, kill larvae. from late September to mid-November only, the first removal of immature yellow, yellow with red maggot fruit, picked up a net on the ground floor of all the boiling fruit, concentrated deep processing, to kill the larvae, .The purpose of Insect break. </ P> <P> Fourth, clear winter garden tilling, the eradication of overwintering pupae. clean park with winter pruning, tillage fertilization, elimination of the surface layer of 10-15 cm in farming part of overwintering pupae. < ./ P> <P> V. Notes. 1, against the best liquid to take good care, especially children, do not let the reach of humans and animals to avoid human and animal poisoning. 2, to the highlights of the local citrus orchard planted " .tank poisonous tree, not wrongly, "or" highly toxic, may not touch! "message to be alert. 3, the container should be large aperture, set the rain interface, to put a floating liquid surface, to provide for the adult feeding .habitats. 4, can not use sugar instead of brown sugar, brown sugar, the higher the concentration, trapping the better. </ P> </ p>.

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