Apply carbofuran 3G 5 g per hole and plug with mud. 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. Pest and Disease Surveillance and Forecast Report. How To Protect Guava Trees From Insects. 48008 M.Sc. Insect pests 2. Guava diseases ppt 1. Prepared by DR. P. M. NIMJE AGRCULTURAL CONSULTANT, AISECT . Lecture 1.Diseases of Citrus. Physalopara psidii Stevens &Pierce and Diplodia netalensis Evans; Fruit canker (Pestalotia psidii Pat.) Weeds II. 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. Spraying the trees with 7.0 gm per litter of ZnSo4 and 46.5 gm of FeSo4 improves yield and quality. Pests and Diseases in Guava Cultivation:- The following are the major pests and diseases found in Guava cultivation. It can tolerate salinity and alkalinity. They gradually enlarge to form sunken and circular, dark brown to black spots. This disease can cause considerable postharvest losses and can affect young developing flowers and fruit. Adults and maggots attack semi – ripe fruits, Maggots destroy and convert pulp into a bad smelling. The infected area of the unripe fruits becomes harder and corky. Crop Protection :: Pests of Guava. In early plant stages, the caterpillars are gregarious and scrape the chlorophyll content of leaf lamina giving it a papery white appearance. 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. Algal fruit spot of guava. Training Schedule for Food Science and Nutrition . 3rd YEAR VEG. COURSE OUTLINE: Disease of Horticultural Crops & Their Management. Guava trees are damaged by the citrus flat mite. They cause a devastating loss in yield and quality of fruits in guava …. Scraping the loose bark to prevent oviposition by adult beetles. No. Papaya are very susceptible to diseases caused by many microorganisms especially fungi. …, In this article, we are going to be looking at the worms in guava plus their control and management. 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. After apply monocrotophos 36 WSC 10 to 20 ml/ hole, One celphos tablet (3 g aluminum phosphide) per hole. Lecture 3.Diseases of Banana. Guava (Psidium guajava Linn.) Nymph - Yellowish to pale white. Acervuli are formed on fruit stalks. Covai Post Network . PERSENTATION ON DISEASES OF GUAVA PRESENTED BY SUSHEEL KUMAR Id. Adult - Powdery white, active during early morning hours. And presently guava is grown in different countries of the world. Diseases II. Tailed mealy bug: Ferrisa virgata Symptoms of damage. The air- borne conidia are released from the old tissue harboring the dormant fungal 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. OCCURRENCE AND IMPORTANCE Wilt is a pernicious disease of guava in India. The Guava tree is hardy, aggressive, and a perennial tree that has recently become a cultivated crop of subtropical regions. Fungi can infect the fruit at the following stages: pre harvest, during harvesting, subsequent handling and marketing operations. Home; Botany; Nutrition facts; Benefits; Diseases; Pests; Pests Pests. Home; Botany; Nutrition facts; Benefits; Diseases; Pests; Pests. Ecological engineering for pest management A. Resistant/tolerant varieties IV. Do's and Don'ts of Pesticide Spraying. Guava trees are damaged by the citrus flat mite. However, despite the guava plant possessed hardwood stems, trunks, and branches, the plant has its own share of pests. Presence of gallery made out of silk and frass. Pests and diseases are part of the natural environmental system. This is nature's way of controlling populations. Lecture 4.Diseases of Grapes. Padding with monocrotophos 36 WSC 10 ml in 2.5 cm /tree soaked in absorbent cotton. Guava trees are hardy, aggressive perennials native to tropical and subtropical America. 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. Crop Nematode Pest. Screening and evaluation of guava genotypes and species for biotic and abiotic stress tolerant root stocks Extension Activities Regular Training … Wilt of guava is one of the most important diseases of guava specially in India and loss due to this disease is substantial. TNAU Agritech Portal :: Crop Protection : Crop Insect Pests. Agro-ecosystem Analysis (AESA) based Integrated Pest Management (IPM) A. AESA B. Introduction to Guava pests, diseases, and their control. Overview The guava tree is one of the many trees with hardwood which may be hard for insects to damage. Postharvest Diseases :: Fruits :: Guava. SCIENCE 2. … MISRA Guava wilt is a dramatic and devastating disease of plants that usually becomes noticeable with the onset of the rainy season. Besides, the infection is also greatly affected by the physiological conditions of the fruit, the temperature and the storage environment. Insecticides: malathion 50 EC 0.1% two rounds, one at flower formation and next at fruit set. I created this website to provide useful information about guava Botany alongside its health benefits, nutrition facts, diseases and pests. Wilt is a pernicious disease and a curse to guava industry. Crop Diseases. Overview The guava tree is one of the many trees with hardwood which may be hard for insects to … The trunk may be branched at the base and the branches droop low to the ground. Triozhophos 2 ml+ neem oil 5 ml/1, phosalone 35 EC 1.5 ml+ neem oil 5 ml/1. 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. Adult is stout yellowish –brown moth with brown wavy markings on the forewings. Guava is an evergreen shrub or small tree grown for its edible fruits. TNAU to rescue Ayakudi guava trees from killer fungi. 1 11. Fruit Borers Congethes (=Dichocrocis) punctiferalis. Symptoms of damage. Bacterial Diseases. Adult - Females apterous, long, slender covered with white waxy secretions; Management. Lecture 8. Guava has a slender trunk with smooth green to red-brown bark. July 25, 2016 . Diseases 3. Guava grows well both in wet and dry regions but it does better under irrigation in the dry tracts. Book Detail: Language: English Pages: 172 Author: TNAU Price: Free . Training Schedule for Fruits and Vegetables Preservation. Congethes (=Dichocrocis) punctiferalis, Fruit borers: Deudorix (Virachola) isocratesÂ, Bark eating caterpillars, Indarbella sp, SAP FEEDERS Lecture 2.Diseases of Mango. Guava - Plant description I. Pests A. Pests of National Significance 1. 111. 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. If infestations are severe then apply the copper oxychloride paste on the trunk of the tree. The plant possesses oval or elliptical leaves which are smooth on the upper surface and hairy on the lower surface. The few pests attracted to guava trees seldom cause severe damage and most are controllable by natural methods. 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. From killer fungi day time come out at night and feed on the bark many microorganisms especially fungi scrape chlorophyll. And presently guava is scientifically Psidium guajava and belongs to the family Myrtaceae of Additional Secretary ( DARE ) Secretary! 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