Introduction to Guava pests, diseases, and their control. In this system there is a balance between predators and pests. Training Schedule for Food Science and Nutrition . July 25, 2016 . 48008 M.Sc. It can tolerate salinity and alkalinity. Overview The guava tree is one of the many trees with hardwood which may be hard for insects to … This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. Production Technology: Guava trees are planted at a distance of 5-6 meters. This is nature's way of controlling populations. Prune and destroy the infested shoots at initial stage of infestation. Anthracnose: Gloeosporium psidii. Wilt is a pernicious disease and a curse to guava industry. Guava is scientifically Psidium guajava and belongs to the family Myrtaceae. COURSE OUTLINE: Disease of Horticultural Crops & Their Management. Oidium mangiferae Berthet was found to be associated With the powdery mildew disease of mango. Algal fruit spot of guava. In saline soils add 3 Kg Gypsum/plant during planting and once in three years after planting to overcome the problem. Field scouting C. Surveillance through pheromone trap catches for Spodoptera and Helicoverpa D. Yellow pan water trap/sticky traps E. Light traps F. Nematode sampling III. Congethes (=Dichocrocis) punctiferalis, Fruit borers: Deudorix (Virachola) isocratesÂ, Bark eating caterpillars, Indarbella sp, SAP FEEDERS Diseases II. I'm Ya'u Idris, a Botanist. Identification of pest. Presence of gallery made out of silk and frass. By Idris on Monday, November 2, 2020. Physalopara psidii Stevens &Pierce and Diplodia netalensis Evans; Fruit canker (Pestalotia psidii Pat.) The infection was reported 15 -30 %. Plant Protection Equipments . Fruit Borers Congethes (=Dichocrocis) punctiferalis. Pest Control for Guava Fruit. Symptoms: The most characteristic symptoms appear during the rainy season as small pin-head sized spots on the unripe fruits. Papaya are very susceptible to diseases caused by many microorganisms especially fungi. Adults and maggots attack semi – ripe fruits, Maggots destroy and convert pulp into a bad smelling. Guava is an evergreen shrub or small tree grown for its edible fruits. Plant pests and diseases ... Guava pests. Covai Post Network . Lecture 8. During heavy infestation - application of imidacloprid 200SL at 0.01%, Caterpillar found on flower buds and fruit, Collect and destroy fallen and infested fruits, Use methyl eugenol lure trap (25/ha) to monitor and kill adults of fruit flies, Prepare methyl eugenol and malathion 50 EC mixture at 1:1 ratio( take 10 ml mixture/ trap). The plant may develop light yellow leaves and sag noticeably, prematurely shed fruits or defoliate entirely. Potassium deficiency: gauva. Feeds on internal contents (pulp and seeds) Dry up and fall off in without ripening. Pests and diseases are part of the natural environmental system. In this guide, you are going to learn how to protect the guava trees from insects. Premature dropping of fruit. Fungi can infect the fruit at the following stages: pre harvest, during harvesting, subsequent handling and marketing operations. The Guava tree is hardy, aggressive, and a perennial tree that has recently become a cultivated crop of subtropical regions. Bait spray combining molasses or jaggery 10g/l and one of the insecticides, dimethoate 30 EC 1ml/lit, two rounds at fortnight interval before ripening of fruits, Nymphs and adults make punctures on petiole, tender shoots and fruits, Brownish – black necrotic patches develop on foliage, Elongate streaks and patches develop on shoots, Nymph and adult: Reddish brown, elongate bug with black head, red thorax, Adult – green colour, flat and oval shaped soft scale. Guava wilt; Fruit rot; Dieback and Anthracnose (fruit rot) Stem canker and dry fruit rot. This includes anything related to guava pests and control. Diseases 3. Guava produces solitary white flowers and a berry fruit. TNAU to rescue Ayakudi guava trees from killer fungi. Weeds II. Guava has a slender trunk with smooth green to red-brown bark. Crop Protection :: Pests of Guava. Guava Shoot Borer (Microcolona technographa): It is a serious pest in the guava nursery. Scraping the loose bark to prevent oviposition by adult beetles. Lecture 3.Diseases of Banana. Biological Control. They cause a devastating loss in yield and quality of fruits in guava …. Guava: Diseases and symptoms. 111. Apply carbofuran 3G 5 g per hole and plug with mud. Algal fruit spot of guava. Well drained soils are the best suited for guava cultivation. Cercospora Leaf Spot Of Guava: Cause, Symptoms, And Management, Algal Leaf Spot Of Guava: Symptoms And Management, Anthracnose Disease Of Guava: Causal Organism, Symptoms, And Treatment. Crop Protection :: Pests of Guava . Besides, the infection is also greatly affected by the physiological conditions of the fruit, the temperature and the storage environment. Guava Diseases Caused by Fungi and Stramenopiles Anthracnose Anthracnose is the most commonly observed disease that affects both pre- and post-harvest management of guava. Insect pests 2. By Idris on Monday, November 2, 2020. Nymph - Yellowish to pale white. The trunk may be branched at the base and the branches droop low to the ground. It damages the tender shoots. Tailed mealy bug: Ferrisa virgata Symptoms of damage. Pests and Diseases in Guava Cultivation:- The following are the major pests and diseases found in Guava cultivation. Prepared by DR. P. M. NIMJE AGRCULTURAL CONSULTANT, AISECT . Adult - Females apterous, long, slender covered with white waxy secretions; Management. PEST MANAGEMENT PACKAGE FOR GUAVA Government of India Ministry of Agriculture Department of Agriculture & Cooperation Directorate of Plånt Protection, Quarantine & Storage N. H. IV, Faridabad - 121 001. The creatures that we call pests and the organisms that cause disease only become 'pest and diseases' when their activities start to damage crops and affect yields. Abstract. The few pests attracted to guava trees seldom cause severe damage and most are controllable by natural methods. The plant possesses oval or elliptical leaves which are smooth on the upper surface and hairy on the lower surface. They are one of 150 species of Psidium, of which most are fruit bearing.Hardy the guava may be, but they do have their share of guava pest problems, most of which can be dealt with using natural pest control methods for guava trees. Pradhan Mantri Fasal Beema Yojana - New Crop Insurance Scheme. AESA based IPM A. Agro-ecosystem analysis B. Guava trees are damaged by the citrus flat mite. Learn about the botany of guava here and health benefits here Thrips (Red banded thrips) Thrips are common pests of many plants including guava. Caterpillars bore into the trunk or junction of branches. You should not miss this: Guava Pests, Diseases, and Control, Guava Plant Care. Symptoms of damage: Caterpillar bores into young fruits . The infested shoots dry up which can be located from a distance by the presence of fine black growth on the leaves. It can be grown upto 1000 m altitude. Visit of Additional Secretary (DARE) & Secretary (ICAR) to TNAU . IV. 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. Screening and evaluation of guava genotypes and species for biotic and abiotic stress tolerant root stocks Extension Activities Regular Training … Adult - Powdery white, active during early morning hours. Guava fruit production isn’t affected by many pests. However, despite the guava plant possessed hardwood stems, trunks, and branches, the plant has its own share of pests. Lecture 7.Diseases of Apple . Guava grows well both in wet and dry regions but it does better under irrigation in the dry tracts. Home; Botany; Nutrition facts; Benefits; Diseases; Pests; Pests. This causes the yield to go down drastically. And presently guava is grown in different countries of the world. On hatching the maggots enter into the fruits and cause fruit drop. Guava trees are damaged by the citrus flat mite. If infestations are severe then apply the copper oxychloride paste on the trunk of the tree. Lecture 1.Diseases of Citrus. MISRA, Head of Division and earlier Project Coordinator AICRP, STF of Central Institute for Subtropical Horticulture, Lucknow (CISH) | Read 189 publications | Contact A.K. Home; Botany; Nutrition facts; Benefits; Diseases; Pests; Pests Pests. Triozhophos 2 ml+ neem oil 5 ml/1, phosalone 35 EC 1.5 ml+ neem oil 5 ml/1. Book Detail: Language: English Pages: 172 Author: TNAU Price: Free . In this guide, you are going to learn how to protect the guava trees from insects. 3rd YEAR VEG. Fruit Borers Guava wilt is a dramatic and devastating disease of plants that usually becomes noticeable with the onset of the rainy season. Integrated Pest Management. Recent Updates: Pest and Disease Surveillance and Forecast Report. May, 2001 . Diseases 3. Guava (Psidium guajava Linn.) Lecture 2.Diseases of Mango. Insecticides: malathion 50 EC 0.1% two rounds, one at flower formation and next at fruit set. Plants, at a later stage, show unthrifty-ness with yellow to reddish discoloration of leaves. Weeds B. Pest of Regional Significance 1. Introduction to Guava pests, diseases, and their control The Guava tree is hardy, aggressive, and a perennial tree that has recently become a cultivated crop of subtropical regions. Crop Diseases. First external symptom of the disease is the appearance of yellow colouration with slight curling of the leaves of the terminal branches. PERSENTATION ON DISEASES OF GUAVA PRESENTED BY SUSHEEL KUMAR Id. Guava botany, nutrition facts, health benefits, diseases, and pests simplified. How To Protect Guava Trees From Insects. They gradually enlarge to form sunken and circular, dark brown to black spots. … Fruit Fly: Symptoms: During monsoon season, the adult lays eggs on the surface of the fruits. Caterpillars remain hidden in the tunnel during day time come out at night and feed on the bark. Agro-ecosystem Analysis (AESA) based Integrated Pest Management (IPM) A. AESA B. Insect pests 2. A.K. Natural Pest & Disease Control. Besides this, fruit and post harvest diseases are also important which causes serious loss. Managementues for High Temperature Stress in Crops. Guava diseases ppt 1. How To Protect Guava Trees From Insects. In early plant stages, the caterpillars are gregarious and scrape the chlorophyll content of leaf lamina giving it a papery white appearance. In this guide, you are going to learn how to protect the guava trees from insects. Overview Guava (Psidium guajava) is one of the widely cultivated species of guava in tropical Americas. No. Tea mosquito bug, Helopeltis antoniiÂ, Spiraling whitefly, Aleurodicus dispersus, Release of predators viz., Coccinellid predator, Cryptolaemus montrouzieri, Release of parasitoids viz., Encarsia haitierrsis and E.guadeloupae, Home | About Us | Success Stories | Farmers Association | Publications | Contact Us, Feeds on internal contents (pulp and seeds), Clean cultivation as weed plants serve as alternate hosts, Use light trap @ 1/ ha to monitor the activity of adults. Guava is scientifically Psidium guajava and belongs to the family Myrtaceae. The fruit is oval in shape and green to yellow in color. Ecological engineering for pest management A. Resistant/tolerant varieties IV. Pesticides. Lecture 4.Diseases of Grapes. Acervuli are formed on fruit stalks. Guava trees are hardy, aggressive perennials native to tropical and subtropical America. Bacterial Diseases. Lecture 5.Diseases of Pomegranate and Papaya. The air- borne conidia are released from the old tissue harboring the dormant fungal TNAU Agritech Portal :: Crop Protection : Crop Insect Pests. Training Schedule for Fruits and Vegetables Preservation. Postharvest Diseases :: Fruits :: Guava. GUAVA WILT 3. Wilt of guava is one of the most important diseases of guava specially in India and loss due to this disease is substantial. Adult is stout yellowish –brown moth with brown wavy markings on the forewings. In India the disease was first recorded near Allahabad in 1935 . Crop Nematode Pest. Pest and Disease Surveillance and Forecast Report. Triozhophos 2 ml+ neem oil 5 ml/1, phosalone 35 EC 1.5 ml+ neem oil 5 ml/1. Guava is an evergreen shrub or small tree grown for its edible fruits. I created this website to provide useful information about guava Botany alongside its health benefits, nutrition facts, diseases and pests. Spraying the trees with 7.0 gm per litter of ZnSo4 and 46.5 gm of FeSo4 improves yield and quality. SCIENCE 2. Experts of the Tamil Nadu Agricultural University have found that the propagating materials themselves were the carriers of the root knot nematodes, which were leading to the attacks by wilt causing fungi on the guava trees of Ayakudi. The infected area of the unripe fruits becomes harder and corky. Learn more about guava from ultimate guide to botany …, This article contained a detailed guide on the distribution, symptoms, host range, and management of pests of guava. 1 11. …, In this article, we are going to be looking at the worms in guava plus their control and management. OCCURRENCE AND IMPORTANCE Wilt is a pernicious disease of guava in India. Lecture 6.Diseases of Guava . The larva bores into flower buds and then causes shedding. Do's and Don'ts of Pesticide Spraying. Overview The guava tree is one of the many trees with hardwood which may be hard for insects to damage. Subsequently, there is premature shedding of leaves. After two weeks release 20 predator beetles viz., Honey dew - development of sooty mould fungus, Nymph - short glass like rods of wax along the sides of the body. Symptoms of damage. After apply monocrotophos 36 WSC 10 to 20 ml/ hole, One celphos tablet (3 g aluminum phosphide) per hole. Collect and destroy the damaged plant parts, Insecticides: malathion 50 EC  0.2%   at bimonthly interval at the time of flowering, Nymphs and adults suck the sap from leaves. Guava - Plant description I. Pests A. Pests of National Significance 1. Padding with monocrotophos 36 WSC 10 ml in 2.5 cm /tree soaked in absorbent cotton. Insect pests 2. Quarantine. 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