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fruit fly management in guava

The larvae infest the fruit, rendering it unfit for human consumption. The Caribbean fruit fly is one of the most damaging pests in Florida guava production. To monitor fruit fly activity hang male lure traps under the shady canopy, where flies tend to rest. They are among the most destructive pests. The wings are clear with a continuous costal band. Monitor fruits for infestation. Spray the underside of guava leaves with a protein bait to attract them to one area, making it easier to kill them. Overripe fruits should be also picked as these are ideal breeding sites for fruit flies. ----- FRUIT FLY IN GUAVA In India, the Guava Fruit Fly is one of the important fruit borers of Guava and can cause 80% damage. Fruit fly infestations often spread quickly, but prompt treatment can get populations under control. Management of Fruit Flies (Easy as 1, 2, 3) Management of fruit flies includes field sanitation, protein bait, and trapping. Bactrocera correcta (Bezzi), often referred to as the "guava fruit fly" (although the larvae of many other species of fruit flies feed on guava - and Anastrepha striata Schiner is also called the "guava fruit fly") (White and Elson-Harris 1994), was detected for the first time in the Western Hemisphere when one female was found on 6 August 1986 in Garden Grove, Orange County, California. The damage causes guavas to rot. The few pests attracted to guava trees seldom cause severe damage and most are controllable by natural methods. Fruits finally drops down and is not suitable for sale, therefore reduces orchard productivity. Make a fruit fly trap. When to Use: To be used at the stage of Flowering till harvesting.. How many to use: 8 traps / acre or 16 traps / hectare.. Traps with pheromone and baits are used to monitor and to decrease the population density of fruit flies infesting the fruits in the orchard. Cut open fruit to look for larvae. However, it has not acquired a well-established common name as have others such as the Mexican, Caribbean, and Mediterranean fruit flies. The non-preference mechanism played a major role in the mechanism of resistance in guava fruits. Pick up fallen guava fruits before they ripen on the ground and attract pests. Exotic fruit flies, including the Oriental fruit fly (Bactrocera dorsalis), carambola fruit fly (B. caramboloe) and Mexican fruit fly (Anastrepha ludens) are highly invasive species that threaten Australia’s fruit production as well as our ability to export to other countries. B. tau was attracted to yellow traps (Sood & Nath 1998). Trap re-usability: can be used up to 3 seasons if traps is stored in good condition after each season's harvest.. Most of the damage is caused by the larvae that nourishes inside the fruit during its growth and development. It attack fruits at different stages of maturity but the harm is more noticeable at harvesting stage. A deep yellow colour (585 nm) was found to attract more fruit flies than fluorescent yellow, brown and orange. Guava (Psidium guajava Linn.) We carried out a study to characterize fruit fly populations on an organic guava orchard (Psidium guajava cv. For ready-to-use bait, mixture is diluted with 15 litre of water. As a result fruits rot and infestation spread rapidly. Harvesting guavas before they ripen fully is a good practise for preventing infestation. The agriculture experts have advised the farmers to adopt tunnel technology for growing off-season vegetables. Poke holes in the lid of a plastic container, then add 1 or 2 inches of apple cider or white wine vinegar to the container. Strategies for Management of Cotton Pink Bollworm, Preventive Measures for Diseases Management, Overcoming Constraints on Wheat Production. Sanitation consists of disposing the infested fruit so fruit fly eggs and larvae don’t survive. Set up methyl eugenol trap in the orchard at the rate of 5 per acre. Creating awareness among the farmers is very important as mostly farmers are uneducated and they are unaware about the efficient methods to overcome losses. Insects that Attack Guava. Harvest guavas before they ripen fully. This remarkable nutrient content gives them many health benefits. Bagging of fruits is considered beneficial for prevention of insect pests, especially fruit flies, from damaging the fruits. USE CHEMICAL INSECTICIDE: Spray Trizaphos 40% EC @ 1 ml/ liter of water. There is a need for proper monitoring and management of fruit flies for the production of guava. Aluja, M. (1996) Future trends in fruit fly management. Precautionary measures to protect the mustard crop from white rust. Fallen and infested rotten fruits should be removed, as they are capable of spreading further infestation. pp. Two useful recipes for fruit fly bait (reference 7) 1. Fruit flies lay their eggs beneath the fruit’s skin, and the maggots feed on the flesh. Maintenance: Zero maintenance.. Guava fruit production isn’t affected by many pests. The 2”x 2” water absorbable ply wood pieces were soaked in the solution and fixed in a small plastic jar (Fig. an important fruit of subtropical countries is affected by about 177 pathogens of which, 167 are fungal, 3 bacterial, 3 algal, 3 nematodes and one epiphyte.Wilt is the most important disease of guava. ): A Major Threat to Guava Production and Its Integrated Management | Guava (Psidium guajava Linn.) Four … Wrapping of individual fruits with transparent polypropylene (20μ gauge) bag and paper piece within the polypropylene bag for partial cover to sunlight’ … Add one or two drops of unscented liquid dish soap. Two additional adult males were detected in Orange County o… Almost every guava producers in Pakistan are facing problem of fruit flies attack and their yields are greatly affected. Farmers Advised To Grow Off-season Vegetables. Guavas thrive in tropical areas, but their adaptability allows them to survive a few degrees of frost in Mediterranean climates. Flies lay their eggs under the skin of ripening fruit, maggots hatch and feed, spoiling the fruit, causing it to rot and drop. The Caribbean fruit fly, Anastrepha suspensa (Loew), is also called the Caribfly and guava fruit fly. Harvest guavas before they ripen fully. 1). Larvae - Dark brown, short and stout, covered with short hairs, larval period lasts for 18-47 days. These should be picked up and destroyed by dumping in a 40-60 cm deep pit and must be covered with soil to eradicate all sources of possible breeding sites. Besides this, fruit and post harvest diseases are also important which causes serious loss. 309 – 323 in McPheron, B.A. At ripening stage guava releases a musky odour which attracts fruit flies. Guava trees produce sweet smelling fruits with an edible rind, with a creamy white, yellow or pink flesh. The adult guava fruit fly (GFF) is about the size of a housefly, 5 millimeters (mm) in length. Data regarding fruit fly infestation in Guava orchards at District Kohat are given in Table 1. Reapply the spray each week. A magnifying glass may help you look for damage. Spray the foliage and fruit with 5 to 10 liters of the pesticide. Fruit fly Management: Low-cost Traps & Lures Preparation Make 3 windows of 1 inch each with a knife at 3 inches from top of used 1 litre water bottle. California Department of Food and Agriculture One piece of fruit may contain hundreds of fruit fly larvae and/or eggs. in Agriculture News The adult guava fruit fly (GFF) has distinctive yellow and black markings on its thorax and abdomen, which may vary between flies. As a result fruits rot and infestation often spread quickly. Instructions to control aphids on wheat crops. The adults are small yellow-brown flies 1½ to 2 times larger than a house fly, with rather long, patterned wings (Figure 1A and B). Leave the bag outside in the sun for several days, then dispose of it in the garbage. Harvesting guavas before they ripen fully is a good practise for preventing infestation. Harvest guavas before they ripen fully. Fruit fly lay eggs inside the fruit and maggots feed on the fruit flesh. Fruit fly infestations often spread quickly, but prompt treatment can get populations under control. After emerging the larvae feed on the pulp which looks normal from outside. Guavas thrive in tropical areas, but their adaptability allows them to survive a few degrees of frost in Mediterranean climates. Precautionary measures to protect the mustard crop from white rust. Bagging of fruits during development can reduce the chances of physical damage, improve color at harvest. Set the trap near guava trees. 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