Apply 12 kg of compost or FYM and 120 g of rock phosphate in each pit before planting. Economically Important Leaf Diseases of Rubber, No public clipboards found for this slide. 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). 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. It requires deep and lateritic fertile soil with an acidic pH of 4.5 to 6.0 and highly deficient in available phosphorous. Lecture 1.Diseases of Citrus. Propagated by green budding, brown budding and crown budding. Wash the wound again with fungicide solution. Tjir 1, PB 86, BD 5, BD 10, PR 17, GT 1, RRII 105, RRIM 600, PB 28/59, PB 217, PB 235, RRIM 703, RRII 5, PCK-1, 2 and PB 260. It is caused by the fungus Phellinus noxius. c. Propagation and dissemination of specific bacterial, viral, fungal and protozoan diseases. Wet weather and high relative humidity are favourable for disease development. Foreign quarantine b. For immature rubber trees at pre-tapping stage Repeated sprayings with Bordeaux mixture 1% or Mancozeb or Copper oxychloride 0.2%. Aftercultivation 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 Brown root disease 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. See our Privacy Policy and User Agreement for details. Symptoms often appear on one section of the plant. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. The progress of the disease was faster during July to November. It is most pronounced during the refoliation period (February-March). 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. Lecture 6.Diseases of Guava . 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. Yield You can change your ad preferences anytime. 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 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. Clean up affected areas, by washing with Carbendazim (0.1%) solution. Drench the soil at the base of affected plants with Chlorpyriphos 20 EC 2 ml/litre. Their greatest impact is associated with the disease mealy bug wilt of pineapple (MW) (Rohrbach et al., 1988). Dusting during the defoliation period commencing from the bud break in about 10% of the trees, giving 3 to 5 rounds at weekly to fortnightly intervals before 10.00 a.m. using 11 to 14 kg 325 mesh fine Sulphur dust per round per ha. COMMON PESTS & DISEASES The increase in growth cracks on the trunk, severe summer followed by sudden wetting, imbalanced nutrition, excessive salinity, etc. Wettable sulphur (1 kg in 4000 lit of water) is also effective in nurseries and for young plants as a spray. Spray fish oil rosin-soap 25 g/lit. There are two types of rubber, natural rubber from rubber trees and synthetic rubber made by using petrochemicals. Manuring starting right at the grafting point situated in the transition zone between the trunk and the roots, the collar. Affected bark and wood show black lines. Crop: Rubber, Scientific Name: Hevea brasiliensis, Family: Euphorbiaceae. It is one of the highly common diseases seen in rubber trees. Secondary leaf fall Lecture 5.Diseases of Pomegranate and Papaya. the rubber trees … Diseases & Pests of the Rubber Tree Southern Blight. Sulphur dust can be mixed with talc in the proportion of 7:3. It is leading to the cessation of latex production, showed differences in latex biochemical characteristics, attacks the tree vascular tissues.             Stump budding – 60 x 60 cm             Bud wood nursery – 60 x 90 cm or 60 x 120 cm. raw material for fruit and vegetable-processing plants, hence becomes a solution to Provide shade in nursery. June – July is optimum for cultivation. If you continue browsing the site, you agree to the use of cookies on this website. Regions prone to heavy winds should be avoided. Refill the soil and drench the base with fungicide solution. Rubber (Hevea brasiliensis Muell-Arg.) When it dries up apply a wound dressing compound. month), Half circumstances and cut alternate day for 12 Bird's eye spot Add 10 kg commercial Magnesium sulphate for every 100 kg of the above mixture if there is magnesium deficiency. When severe infestation is noticed, spray Organophosphorus insecticides like malathion 50 EC 2 ml/lit. aggravates the disease. Uses of the Rubber Tree (Hevea brasiliensis) Natural rubber is used in the production of tires. (half spiral, alternate day for 6 months and rested for 3 months), (half spiral, daily for one month and rested for next total area under vanilla cultivation in the world during 2008 was 82,098 ha (FAO, 2009). Spacing: Seedling stumps – 23 x 23 cm, 30 x 30 cm and 34 x 20 cm When it dries up apply a wound dressing compound. The symptoms appear as loss of shiny appearance of leaves drooping, yellowing and buckling (curving) of leaflets and … For matured rubber trees under tapping apply NPK 10:10:10 grade mixtures at the rate of 900 g/tree (300 kg/ha) every year in two split doses. months and rested for the next 4 months. The control measures suggested for abnormal leaf fall will check this disease also. 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. Drench soil at the base of plants in the affected area with the solution of Chlorpyriphos 20 EC 2 ml/litre. Mealy bug It is applied at 5% a.i. Freshly planted rubber trees remain healthy until their roots come into contact with pieces of diseased root. 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 Ethrel treatment Season Caused by the fungus Sclerotium rolfsii, southern blight is an easily preventable moisture-related... Crown Gall. Lecture 4.Diseases of Grapes. 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. Abnormal leaf fall Diseases; Parasitic and non-parasitic maladies; Bee Keeping in rubber plantations; Diseases. BARK NECROSIS(BN) The necrosis of the rubber tree is an affection of the stem. Plant protection Young plants dry up due to attack. Genetic methods : - Use of sterile male technique 6. There has been a … Abnormal leaf fall. Pests Tapping panel dryness (Brown bast) The fungus survives in nurseries, self-sown seedlings, and in immature leaves of the shaded canopy. 1.5 – 2 months after planting –10:10:4:1.5 NPKMg mixture -2500 kg/ha. 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. Spray Sulphur 50 WP at 2 g/lit or spray Dicofol 18.5 EC 2.5 ml/lit. OF Management: Drench the soil at the base of affected plants with chlorpyriphos 0.1% solution. Causative agent: Oidium heveae Powdery mildew is the most widespread cause of the diseased condition of rubber known as secondary leaf fall (SLF). Mundakkayam: Production of natural rubber in Kerala, India’s largest rubber producer, declined sharply due to the abnormal leaf fall disease. Oil based Copper oxy chloride using low volume sprayer or through aerial application. In situ sowing: Germinated seeds are sown in situ in the pits. When the fungicide dries up apply wound dressing compound. RUBBER Arecanut 223 viii. Avoid accumulation of rubber at the base of the trees. Method of propagation Crown gall is a bacterial infection affecting the roots and stems of rubber trees, caused by a bacteria... Xanthomonas Leaf Spot. Palmyrah 228 Scrape out the fructifications. Symptoms. Crop Pests and Diseases. When it affects the rubber tree, you can see small oozing spots appearing around the leaves. See our User Agreement and Privacy Policy. Lecture 2.Diseases of Mango. Manuring Working out cost of cultivation and economics. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Lecture 7.Diseases of Apple . Brown root disease Open up the root system. In South India, the annual yield of rubber is 375 kg/ha from seedlings trees, whereas budded plants yield 800 - 1000 kg/ha. It occurs in most of the rubber growing countries. COURSE OUTLINE: Disease of Horticultural Crops & Their Management. Diseases of Field Crops and Their Management Author TNAU, Tamil Nadu . 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. However, continuous application of Ethrel is not recommended for periods of more than 3 years at a stretch. Ethrel is recommended to increase latex yield of trees. Mites December 13, 2020 Uncategorized Uncategorized For More Information: "On-line Rubber Clinics", R.R.I, Kottayam, India Give balanced manuring to increase tree vigour. These trees widely found in the Amazon and bring profit to many indigenous tribes. Two rounds of spray using about 17 to 22 lit of fungicide oil mixture per ha per round (1:6 proportion) at 10 to 15 days interval (or) a single round of spray with about 30 - 37 lit of fungicide oil mixture per ha (1:5 proportion). concentration with a brush below the tapping cut to a width of 5 cm after light scraping of the outer bark. Soil and climate 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. Pink disease is the most serious stem disease of affecting mainly the young rubber trees. The sap flows from the trees once a piece of the bark is removed. the diseases. and also raw materials for … Regulatory methods : - Plant quarantine a. Urea @550 kg /ha -3 to 3.5 months. Domestic quarantine 7. 5. Powdery mildew Avoid accumulation of rubber at the base of the trees. Lecture 8. Xanthomonas leaf spot is caused due to a bacteria named Xanthomonascampestris. Horticulture :: Plantation Crops :: Rubber, Arasu Rubber Corporation Ltd, Government of Tamil Nadu. The most serious diseases of rubber are root diseases which are caused by fungi that attack and eventually kill the roots. In man's continued effort to enhance food production, new high yielding crop varieties and new techniques for crop and field management are being constantly evolved resulting in a parallel increase in disease occurrence which calls for their efficient management. 2. Mealy bug stripes appear in plants because of their Infected plants first develop a dull green color, eventually wilt and turn straw-color. Control Prune off and burn the dried up branches after disinfecting by Bordeaux spraying. 3) Forestry – Deals with production of large scale cultivation of perennial trees for supplying wood, timber, rubber, etc. Leaf spot Terms like IPM (Integrated Pest Management and IDM (Integrated Disease Management) have different meanings. Clean up affected areas, by washing with Carbendazim (0.1%) solution. A manual on the most important pests and diseases of the major food crops grown by smallholder farmers in Africa. Now customize the name of a clipboard to store your clips. Euphorbiaceae, Varieties Cockchafer grub Partially affected and healthy roots washed withfungicide Carbendazim (0.1%) solution. Search for: diseases of wheat tnau. Rubber yield steeply increases year by year, reaching a peak after 14 years of planting. Cuttings should be obtained from virus – free indexed stocks. dianthi) Vascular wilt is the most troublesome disease of carnation. When mulch is present, spray the mulch also (Provisional recommendation). Causative agent: Phytophthora meadii McRae. Crude oil is the primary raw material used in the production of synthetic rubber. 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). Patch canker or Bark cankers Pueraria phaseoloides, Calopagonium muconoides, Centrosema pubescens and Desmodium evalifolium are common cover crops. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. It is expressed by a deterioration of the cortical tissues on the level of which are located in the conducting latex tissues. Termite (White ant) Growing of cover crops, incorporation of cover crops and weeding are important operations. The trees can be tapped for their latex sap once they have reach six years of age. The fungus, Thielaviopsis paradoxa is the causal agent of the disease. Completely killed and dried roots may be traced and pruned. Diseases Clipping is a handy way to collect important slides you want to go back to later. Book Detail: Language: English Pages: 172 Author: TNAU Price: Free . GROUP : E. Scrape out the fructifications. Affected bark and wood show black lines. Healthy ones are retained and It makes the leaves turn yellow and die. the others removed. Disease management Vascular wilt (F.oxysporum f.sp. 1. Minimum and maximum temperature should be ranged from 25 to 34°C with 80 % relative humidity is ideal for cultivation. Looks like you’ve clipped this slide to already. Tropical climate with annual rainfall of 2000 – 4500 mm is suited for cultivation. Oil Palm 225 ix. 5. In advanced cases apply Bordeaux paste and when it dries up scrape off the superficial mycelium and damaged bark and apply Bordeaux paste once again. When the fungicide dries up, a thin coating with a wound dressing compound may be given. & Pests of the trees once a piece of the major food crops grown by farmers! Latex production, showed differences in latex biochemical characteristics, attacks the tree Vascular.... Viral, fungal and protozoan diseases caused by the fungus survives in nurseries self-sown.: E ideal for cultivation: Basal -2.5 t/ha of FYM and 350kg/ha of Rock.! 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