Syndrome characterized by prolonged dripping of latex with the gradual decline in volume yield, pre coagulation of latex and partial or complete drying of tapping area (10-25 per cent). Brown root disease It is the major root disease of rubber in India. Lecture 7.Diseases of Apple . heart-disease, LDL oxidation, immune-system, diabetes, cancer Fiber most fresh fruits and vegetables, nuts, cooked dry beans and peas diabetes, heart disease Folate ... of other industries e.g. Book Detail: Language: English Pages: 172 Author: TNAU Price: Free . See our User Agreement and Privacy Policy. the others removed. Disease management Vascular wilt (F.oxysporum f.sp. Lecture 4.Diseases of Grapes.  Manuring: Basal -2.5 t/ha of FYM and 350kg/ha of Rock Phosphate. The sap flows from the trees once a piece of the bark is removed. Growing of cover crops, incorporation of cover crops and weeding are important operations. It is one of the highly common diseases seen in rubber trees. Coconut 212 vii. Frequent tree to tree inspection should be done during July – September period for detecting the infected trees and application of Bordeaux paste in the early stages upto 30 cm above and below the affected region. Ethrel treatment Chemical methods : - Use of attractants - Use of repellants - … Brown root disease A manual on the most important pests and diseases of the major food crops grown by smallholder farmers in Africa. Completely killed and dried roots may be traced and pruned. Prune off and burn the dried up branches after disinfecting by Bordeaux spraying. Clipping is a handy way to collect important slides you want to go back to later. Arecanut 223 viii. Lecture 6.Diseases of Guava . Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. At the start, it grows and surrounded by yellow discolorations. It occurs in most of the rubber growing countries. BARK NECROSIS(BN) The necrosis of the rubber tree is an affection of the stem. When the fungicide dries up apply wound dressing compound. Crude oil is the primary raw material used in the production of synthetic rubber. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Release Austalian lady bird beetle, Cryptolaemus montrouzieri @ 10/tree. The affected region may be scraped to remove all the rooting bark and the coagulated rubber and the wound washed well with Dithane M 45 @ 0.75 %. the rubber trees … Foreign quarantine b. Mean percent disease incidence of coconut from 2008 –2013 S. No District Number of villages surveyed Mean percent disease incidence from 2008 to 2013 Basal stem rot Stem bleeding Bud rot Grey leaf spot 1 East Godavari 57 13.82 3.49 1.93 Traces 2 West Godavari 15 11.42 4.94 2.12 Traces Spray Sulphur 50 WP at 2 g/lit or spray Dicofol 18.5 EC 2.5 ml/lit. Terms like IPM (Integrated Pest Management and IDM (Integrated Disease Management) have different meanings. Rubber (Hevea brasiliensis Muell-Arg.) Pueraria phaseoloides, Calopagonium muconoides, Centrosema pubescens and Desmodium evalifolium are common cover crops. Oil based Copper oxy chloride using low volume sprayer or through aerial application. These trees widely found in the Amazon and bring profit to many indigenous tribes. OF Seedling Nursery: Matured rubber trees under tapping months and rested for the next 4 months. Avoid accumulation of rubber at the base of the trees. Provide shade in nursery. Leaf spot If you continue browsing the site, you agree to the use of cookies on this website. Refill the soil and drench the base with fungicide solution. When it affects the rubber tree, you can see small oozing spots appearing around the leaves. The most serious diseases of rubber are root diseases which are caused by fungi that attack and eventually kill the roots. Young plants dry up due to attack. Sulphur dust can be mixed with talc in the proportion of 7:3. Planting: Pit size of 1 m3 are dug and filled up with top soil and compost. COMMON PESTS & DISEASES 1.5 – 2 months after planting –10:10:4:1.5 NPKMg mixture -2500 kg/ha. 5.             Bud wood nursery – 60 x 90 cm or 60 x 120 cm. Lecture 1.Diseases of Citrus. Healthy ones are retained and starting right at the grafting point situated in the transition zone between the trunk and the roots, the collar. Prophylactic spraying on the foliage prior to the onset of South-West monsoon with, Bordeaux mixture 1% at 4000 - 5000 lit/ha using high volume sprayers. aggravates the disease. Aftercultivation Dry rot, Stump rot, Collar rot or Charcoal rot It is expressed by a deterioration of the cortical tissues on the level of which are located in the conducting latex tissues. Caused by the fungus Sclerotium rolfsii, southern blight is an easily preventable moisture-related... Crown Gall. dianthi) Vascular wilt is the most troublesome disease of carnation. In this context, the TNAU under the dynamic leadership of the Vice Chancellor, Director of Research and other technical directors, the ... technology capsule for pests and diseases management, labour saving farm machineries and ... Rubber 207 vi. December 13, 2020 Uncategorized Uncategorized Plant protection Control Pink disease is the most serious stem disease of affecting mainly the young rubber trees. Diseases Affected bark and wood show black lines. Manuring Uses of the Rubber Tree (Hevea brasiliensis) Natural rubber is used in the production of tires. In situ sowing: Germinated seeds are sown in situ in the pits. It is leading to the cessation of latex production, showed differences in latex biochemical characteristics, attacks the tree vascular tissues. The diseases persist in the soil on infected dead roots. Domestic quarantine 7. It is caused by the fungus Phellinus noxius. Mundakkayam: Production of natural rubber in Kerala, India’s largest rubber producer, declined sharply due to the abnormal leaf fall disease. In South India, the annual yield of rubber is 375 kg/ha from seedlings trees, whereas budded plants yield 800 - 1000 kg/ha. It is applied at 5% a.i. Pink disease Management: Drench the soil at the base of affected plants with chlorpyriphos 0.1% solution. Diseases of Field Crops and Their Management Author TNAU, Tamil Nadu . Affected bark and wood show black lines. Mealy bug stripes appear in plants because of their Now customize the name of a clipboard to store your clips. Partially affected and healthy roots washed withfungicide Carbendazim (0.1%) solution. Cuttings should be obtained from virus – free indexed stocks. Avoid accumulation of rubber at the base of the trees. When the fungicide dries up, a thin coating with a wound dressing compound may be given. Patch canker or Bark cankers Crown gall is a bacterial infection affecting the roots and stems of rubber trees, caused by a bacteria... Xanthomonas Leaf Spot. However, continuous application of Ethrel is not recommended for periods of more than 3 years at a stretch. Nursery: Bed size: 60-120 cm width and of convenient length. There has been a … Soil and climate They may infest developing plants and fruit, thereby becoming serious pests to the crop, reducing fruit quality and quantity by infuencing plant development (Carter, 1933). GROUP : E. Causative agent: Oidium heveae Powdery mildew is the most widespread cause of the diseased condition of rubber known as secondary leaf fall (SLF). Secondary leaf fall 2) Horticulture - Deals with the production of fruits, vegetables, flowers, ornamental plants, spices, condiments and beverages. The progress of the disease was faster during July to November. Genetic methods : - Use of sterile male technique 6. IARI Toppers Provides Agriculture Notes,ICAR E Course Notes,JRF Notes,IBPS AFO,E krishi Shiksha,TNAU Notes,ANGRAU Notes,Agriculture Jobs Update,JRF Mock Test,JRF Old Exam Paper for agronomy horticulture,plant science,agriculture statistics,soil science,social science,icar ecourse pdf download,best agriculture books etc The first application may be done after a drought period preferably after a few pre-monsoon showers and subsequent applications may be done in September and November. A fungal disease declared as a quarantine pest •Sclerotium collar rot(Sclerotium rolfsii) Nursery disease spread due to mal practices •Foot Canker & Sudden wilt (Nattrassia mangiferae) Secondary infection on cracks resulted due to heat injury Rubber trees are large trees that have a milky white sap that is known as latex. It is observed during the monsoon period. Looks like you’ve clipped this slide to already. Dr. Andre Oliveira, Head of Crop Protection Development APAC Syngenta said that “Syngenta would be delighted to furthering their research work in association with the TNAU considering the expertise & pragmatic approach, on sustainable crop solutions through innovative labor saving formulation technologies & good agricultural practices to deliver value for farmers in India.             Stump budding – 60 x 60 cm The fungus, Thielaviopsis paradoxa is the causal agent of the disease. Abnormal leaf fall. Scrape out the fructifications. When mulch is present, spray the mulch also (Provisional recommendation). Symptoms of brown root rot disease are similar to those caused by many root rot pathogens: Lecture 8. Powdery mildew The symptoms appear as loss of shiny appearance of leaves drooping, yellowing and buckling (curving) of leaflets and … Diseases of Fruit, Plantation, Medicinal and Aromatic Crops-: Course content creator :-Dr. V. B. Sanath Kumar Associate Professor & Programme co-ordinator KVK, VC Farm, Mandya e-mail: sana_path@rediffmail.com Diseases Root rot:Soil drenching with Copper oxychloride 2.5 g/lit or Trifloxystrobin + Tebuconazole @ 0.75 g/litre or Difenoconazole @ 0.5ml/l Leaf spot: Foliar application of Mancozeb @ 2.5g/l or Azoxystrobin @ 1g/l Chrysanthemum mosaic disease 1. The fungus survives in nurseries, self-sown seedlings, and in immature leaves of the shaded canopy. Rubber yield steeply increases year by year, reaching a peak after 14 years of planting. Palmyrah 228 "Vast swathes of rubber trees have already been lost to the Fusicoccum pathogen, and more losses are due until a concrete solution is found to combat this dilapidating disease," Muruganathan wrote. Drench soil at the base of plants in the affected area with the solution of Chlorpyriphos 20 EC 2 ml/litre. and also raw materials for … total area under vanilla cultivation in the world during 2008 was 82,098 ha (FAO, 2009). Termite (White ant) Freshly planted rubber trees remain healthy until their roots come into contact with pieces of diseased root. Diseases & Pests of the Rubber Tree Southern Blight. Symptoms often appear on one section of the plant. Crop Pests and Diseases. When severe infestation is noticed, spray Organophosphorus insecticides like malathion 50 EC 2 ml/lit. It requires deep and lateritic fertile soil with an acidic pH of 4.5 to 6.0 and highly deficient in available phosphorous. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Crop: Rubber, Scientific Name: Hevea brasiliensis, Family: Euphorbiaceae. Wash the wound again with fungicide solution. Oil Palm 225 ix. COURSE OUTLINE: Disease of Horticultural Crops & Their Management. Open up the root system. The trees can be tapped for their latex sap once they have reach six years of age. Drench the soil at the base of affected plants with Chlorpyriphos 20 EC 2 ml/litre. the diseases. Brown root disease Open up the root system. The increase in growth cracks on the trunk, severe summer followed by sudden wetting, imbalanced nutrition, excessive salinity, etc. When it dries up apply a wound dressing compound. The control measures suggested for abnormal leaf fall will check this disease also. Scale insect Method of propagation Symptoms. When it dries up apply a wound dressing compound. Regulatory methods : - Plant quarantine a. Spray fish oil rosin-soap 25 g/lit. c. Propagation and dissemination of specific bacterial, viral, fungal and protozoan diseases. Apply 12 kg of compost or FYM and 120 g of rock phosphate in each pit before planting. Manuring Working out cost of cultivation and economics. For immature rubber trees at pre-tapping stage 1. month), Half circumstances and cut alternate day for 12 The major symptoms of the disease in leaves are wilting and drooping and flaccidity; ribbing, paling/yellowing and necrosis of leaflets are typical symptoms of foliar diseases. Spacing: Seedling stumps – 23 x 23 cm, 30 x 30 cm and 34 x 20 cm Abnormal leaf fall Search for: diseases of wheat tnau. Euphorbiaceae, Varieties It is most pronounced during the refoliation period (February-March). Diseases; Parasitic and non-parasitic maladies; Bee Keeping in rubber plantations; Diseases. If you continue browsing the site, you agree to the use of cookies on this website. Their greatest impact is associated with the disease mealy bug wilt of pineapple (MW) (Rohrbach et al., 1988). Lecture 5.Diseases of Pomegranate and Papaya. Give balanced manuring to increase tree vigour. Bird's eye spot             Budded stumps – 30 x 30 cm Reduce tapping intensity or give a tapping rest for 3 to 12 months. Season Tropical climate with annual rainfall of 2000 – 4500 mm is suited for cultivation. Minimum and maximum temperature should be ranged from 25 to 34°C with 80 % relative humidity is ideal for cultivation. (half spiral, alternate day for 6 months and rested for 3 months), (half spiral, daily for one month and rested for next Causative agent: Phytophthora meadii McRae. The stem with brown bark is affected anywhere from the base to branches. Ethrel is recommended to increase latex yield of trees. Repeated sprayings with Bordeaux mixture 1% or Mancozeb or Copper oxychloride 0.2%. Propagated by green budding, brown budding and crown budding. Cockchafer grub Pests Urea @550 kg /ha -3 to 3.5 months. Economically Important Leaf Diseases of Rubber, No public clipboards found for this slide. Clean up affected areas, by washing with Carbendazim (0.1%) solution. Symptoms: Termites feeds on the dead bark of trees and young plants and build covered passageways of soil on the tapping panel and collection cup. See our Privacy Policy and User Agreement for details. raw material for fruit and vegetable-processing plants, hence becomes a solution to Lecture 3.Diseases of Banana. Apply 10:10:4:1.5 NPK andMg as per schedule given below: Apply 400 kg of mixture/ha in 2 doses, once in April/May and another in September/October from the 5th year till the tree is ready for tapping. Common Pests & diseases of Field crops and their Management trunk, severe summer followed by sudden wetting imbalanced... Sulphate for every 100 kg of diseases of rubber tnau highly common diseases seen in rubber trees roots be... 2000 – 4500 mm is suited for cultivation 228 c. Propagation and dissemination of specific bacterial,,. A stretch concentration with a wound dressing compound large scale cultivation of perennial trees for supplying wood timber... 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