Insect pests 2. A guide to Guava plant diseases and pests.. Young trees that experience temperatures below about 30 degrees F. (-1 C.) may be damaged or could die. [2] Psidium guajava (common guava, lemon guava) is a small tree in the myrtle family (Myrtaceae), native to Mexico, Central America, the Caribbean and northern South America. Although the strawberry guava (P. littorale var. The seeds in the central pulp vary in number and hardness, depending on species. Total life cycle is completed in 40-50 days. However, they are a primary host of the Caribbean fruit fly and must be protected against infestation in areas of Florida where this pest is present. and scale insect ( Chloropulvinaria psidii ). [8][9] By contrast, several guava species have become rare due to habitat destruction and at least one (Jamaican guava, P. dumetorum), is already extinct. Guavas are typical Myrtoideae, with tough dark leaves that are opposite, simple, elliptic to ovate and 5–15 centimetres (2.0–5.9 in) long. Red-banded thrips are another pest that feeds on guava, resulting in defoliation and browning of the fruit. This article contained a detailed guide on the distribution, symptoms, host range, and management of pests of guava. Distribution: It is a common pest of guava and is widely distributed all over the Indian subcontinent. In many countries, guava is eaten raw, typically cut into quarters or eaten like an apple; it is also eaten with a pinch of salt and pepper, cayenne powder or a mix of spices (masala). The fruit is cultivated and favored by humans, and many other animals such as birds consume it, readily dispersing the seeds in their droppings. Guava diseases ppt 1. The insect affects fruit quality and general plant vigor. ... Guava Trees Guava Pest Control: Common Insects That Attack Guava Plants. [12] Nutrient content varies across guava cultivars. In the Philippines, ripe guava is used in cooking sinigang. It damages the tender shoots. The list includes bark-eating caterpillar, fruit fly and scale insect. Pests of Guava :: Major Pests :: Spiraling whitefly, 6. [2][4][5] Archaeological sites in Peru yielded evidence of guava cultivation as early as 2500 BC. Pest Affect Control; Fruit fly: An extremely scary pest to destroy guava that sucks fruits, rots them that leads to dropping. Diseases 3. View and Download PowerPoint Presentations on Guava Pests PPT. Symptoms: Sooty mould proliferates in abundance on the foliage of guava, subsisting on the honeydew secreted by scale insects, aphids, white flies and mealy bugs. [2] Although related species may also be called guavas, they belong to other species or genera, such as the pineapple guava, Feijoa sellowiana. Guava Shoot Borer (Microcolona technographa) It is a serious pest in the Guava nursery and it damages the tender shoots. Avoid using synthetic pyrethroids and extending crop growth. Guava moth (Coscinoptycha improbana) is a small black and white speckled moth. Psidium guajava (common guava, lemon guava) is a small tree in the myrtle family (), native to Mexico, Central America, the Caribbean and northern South America. In 2018, India was the largest producer of guavas, with 45% of the world total. The fruit is also often included in fruit salads. The standard plant spacing is 6 m. x 6 m. accommodating 112 plants/acre. Plants, at a later stage, show unthriftyness. This article contained a detailed guide on the distribution, symptoms, host range, and management of pests of guava. California Department of Food and Agriculture 18 (1/2), 290-294. Because of its high level of pectin, guavas are extensively used to make candies, preserves, jellies, jams, and marmalades (such as Brazilian goiabada and Colombian and Venezuelan bocadillo), and as a marmalade jam served on toast.[2]. ⦠Spiraling whitefly: Aleurodicus dispersus (Aleyrodidae: Hemiptera). [2] They have a pronounced and typical fragrance, similar to lemon rind but less sharp. Research on the biology of this pest is scarce and no natural enemies have been registered. The infested shoots dry up which can be located from a distance by the presence of fine black growth on the plant leaves. The guava moth is a pest that is affecting the fledging feijoa export market in Northland and has the potential to threaten a large range of commercial crops as it moves down the country. Distribution: It is a common pest of guava and is widely distributed all over the Indian subcontinent. Guava - Plant description I. Pests A. Pests of National Significance 1. About 80 species of insect pests have been recorded on guava, but only few of them had been identified as pest of regular occurrence and causing serious damage. The flowers are white, with five petals and numerous stamens. Guava wilt Disease symptoms: First symptoms start with the onset of monsoon. Guava is a popular snack in Taiwan, sold on many street corners and night markets during hot weather, accompanied by packets of dried plum powder mixed with sugar and salt for dipping. In Cuba and Mexico, the leaves are used in barbecues. In Hawaii, strawberry guava (P. littorale) has become an aggressive invasive species threatening extinction to more than 100 other plant species. The insect pest problems are the main constraint in the production and productivity of guava. Pest Control in Guava Cultivation. The larvae of these flies then consume the fruit until they can proceed into the pupa stage. Some of the twigs become bare and fail to bring forth new leaves or flowers and eventually dry up. Installation of yellow sticky traps. Some of the twigs become bare and fail to bring forth new leaves or flowers and ⦠[2] The bacterium Erwinia psidii causes rot diseases of the apple guava. Organic pest control is less expensive than buying and applying pesticides, and it's safer for your garden, your family, the nature and the environment. Adult and nymphs, both suck the sap thus weaken the plant. It has been adapted in many European and Asian languages, having a similar form. Appearance of light yellow foliage with loss of turgidity and epinasty. The easiest way to prevent insect damage in your garden is to discourage them from coming in the first place. [4] Mature trees of most species are fairly cold-hardy and can survive temperatures slightly colder than 25 °F (−4 °C) for short periods of time, but younger plants will likely freeze to the ground. For more detailed information, click the links below : Fruit borer: Congethes (=Dichocrocis) punctiferalis Tea mosquito bug: Helopeltis antonii Fruit borers: Deudorix (Virachola) isocrates Green Scale: Coccus viridis Fruit borer: Rapala varuna Tailed mealy bug: Ferrisa virgata Guava fruit fly: Bactrocera diversus Spiraling ⦠Guava Shoot Borer (Microcolona technographa): It is a serious pest in the guava nursery. Basic requirements Guava is mainly grown in the tropics and will tolerate temperatures between 15 and 45°C (59–113°F). Varying between species, the skin can be any thickness, is usually green before maturity, but may be yellow, maroon, or green when ripe. The guava is subject to attack by several kinds of insects. [14] As some of these phytochemicals produce the fruit skin and flesh color, guavas that are red-orange tend to have more polyphenol and carotenoid content than yellow-green ones. Guava wilt Disease symptoms: First symptoms start with the onset of monsoon. Psidium species are eaten by the caterpillars of some Lepidoptera, mainly moths like the Ello Sphinx (Erinnyis ello), Eupseudosoma aberrans, E. involutum, and Hypercompe icasia. Find PowerPoint Presentations and Slides using the power of XPowerPoint.com, find free presentations research about Guava Pests PPT cattleianum) has only 39% of the vitamin C in common varieties, its content in a 100 gram serving (90 mg) still provides 100% of the DV.[13]. [5], Guava was adopted as a crop in subtropical and tropical Asia, the southern United States (from Tennessee and North Carolina south, as well as the west and Hawaii), tropical Africa, South Asia, Southeast Asia, and Oceania. The entire fruit is a key ingredient in punch, and the juice is often used in culinary sauces (hot or cold), ales, candies, dried snacks, fruit bars, and desserts, or dipped in chamoy. Approximately 80 insect pests have been reported on guava, but only few of them are pests of regular occurrence and causing significant economic loss. Guavas are rich in dietary fiber and vitamin C, with moderate levels of folic acid (nutrition table). The guava is subjected to attack by several kinds of pests and about 80 species of insects have been recorded on guava, but only a few of them have been recognized as a pest of regular occurrence and causing significant damage. Guava leaves contain both carotenoids and polyphenols like (+)-gallocatechin and leucocyanidin. Egg period lasts for 5-8 days. Appearance of light yellow foliage with loss of turgidity and epinasty. Fruit Insect Pests of Guava (Psidium guajava L.) and Mango (Mangifera indica L.) and their Management in Sudan: A Historic Review It is widely distributed in almost all countries due to rapid dispersal and adaptability. The list … [7], Guavas are of interest to home growers in subtropical areas as one of the few tropical fruits that can grow to fruiting size in pots indoors. Use yellow sticky traps at 15/ha to attract and kill the adults, Encourage the activity of predators such as. Pest Management and Economic Zoology. In 2006, a new limiting pest in guava was reported in the provincia de Vélez, Santander, Colombia, known as the borer worm.There is no knowledge of the biology of this pest so far. Guava wilt is a dramatic and devastating disease of plants that usually becomes noticeable with the onset of the rainy season. Guava whiteflies feed on guava leaves and, along with the green shield scale and weevils (in particular Anthonomus irroratus), require chemical pest control for guava grown commercially in Florida. Identification of pest: Nymph - short glass like rods of wax along the sides of the body; Adult - Powdery white, active during early morning hours. are the major pests in guava. SCIENCE 2. The fruits are many-seeded berries. Although, this pest is found in several parts of India like Bihar, Orissa, Haryana, Rajasthan, Madhya Pradesh, Maharashtra, Andhra Pradesh and Tamil Nadu, it is more common and destructive on guava ⦠In severe infestation, they cause curling and deformation of young leaves. However in India, the major pests are polyphagous pest like tea mosquito bug, fruit flies, fruit borers, bark eating caterpillars mealy bug and introduced pest namely spiraling white fly. Low in calories per typical serving, and with few essential nutrients, a single common guava (P. guajava) fruit contains 257% of the Daily Value (DV) for vitamin C (table). The pulp inside may be sweet or sour and off-white ("white" guavas) to deep pink ("red" guavas). Caribbean fruit fly (Anastrepha suspensa): The Caribbean fruit fly is the most important pest of guava in Florida. Within the pest complex found in guava orchards in the province of Vélez, the guava fruit fly Anastrepha striata (Schiner, 1868) and the guava weevil Conotrachelus psidii (Marshall, 1922) (Instituto Colombiano Agropecuario ICA, 2012) are of great importance. Composition of fruit fly species in Pune region of Maharashtra and losses caused to guava crop in the region. Baker et al. Among the more important are guava whitefly, red-banded thrips, guava fruit moth, Caribbean fruit fly, mealybugs and several species of scales. The guava is subject to attack by several kinds of insects. Aphid: Serious and common pest of Guava. Detailed life history and effective control measures for most of these pests still remain to be worked out. It is also a suspected vector of mycoplasma disease, lethal yellowing in coconut. Spray Fish oil rosin soap (FORS) 25g/L or NSKE 5% or neem oil 0.03% 1ml/l or phosalone 35 EC 3 L or triazophos 40 EC 3 L or acephate 75 SP 1.5 kg in 1500 -2000 L per ha., two to three times based on the incidence. Sudden changes may stress plants and attract fruit flies and other pests. No. Pests of Guava More than 80 species of insects and mites have been recorded in guava trees affecting growth and yield. Pulque de guava is a popular alcoholic beverage in these regions. Sarwar (2006) reported mealy bugs, stink bug, red-banded thrips, guava moth, guava whitefly and scale insect are major insect pests of guava in Pakistan. [18], This article is about the fruit. Plants, at a later stage, show unthriftyness. Guava wood is used for meat smoking in Hawaii, and is used at barbecue competitions across the United States. GUAVA WILT 3. Guava juice is popular in many countries. Approximately 80 insect pests have been reported on guava, but only few of them are pests of regular occurrence and causing significant economic loss. In India the disease was first recorded near Allahabad in 1935 . Guava fruits,[10] usually 4 to 12 centimetres (1.6 to 4.7 in) long, are round or oval depending on the species. Adults and nymphs congregate heavily on the lower surface of leaf, suck the sap and cause pre-mature leaf drop, chlorosis, yellow speckling, crinkling and curling. Other major producers were China and Thailand.[11]. The infested shoots dry up which can be located from a distance by the presence of fine ⦠has become a very serious pest of guava in India. PERSENTATION ON DISEASES OF GUAVA PRESENTED BY SUSHEEL KUMAR Id. Honey dew secretion also leads to the development of sooty mould fungus. Learn about the botany of guava here and health benefits here Thrips (Red banded thrips) Thrips are common pests of many plants including guava. 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