Matured rubber trees under tapping Affected bark and wood show black lines. months and rested for the next 4 months. Uses of the Rubber Tree (Hevea brasiliensis) Natural rubber is used in the production of tires. raw material for fruit and vegetable-processing plants, hence becomes a solution to Oil based Copper oxy chloride using low volume sprayer or through aerial application. It is one of the highly common diseases seen in rubber trees. It is most pronounced during the refoliation period (February-March). Foreign quarantine b. Their greatest impact is associated with the disease mealy bug wilt of pineapple (MW) (Rohrbach et al., 1988). Diseases & Pests of the Rubber Tree Southern Blight. concentration with a brush below the tapping cut to a width of 5 cm after light scraping of the outer bark. COURSE OUTLINE: Disease of Horticultural Crops & Their Management. Rubber (Hevea brasiliensis Muell-Arg.) Crop Pests and Diseases. the rubber trees … Causative agent: Phytophthora meadii McRae. Wettable sulphur (1 kg in 4000 lit of water) is also effective in nurseries and for young plants as a spray. 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. Crude oil is the primary raw material used in the production of synthetic rubber. 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 Dry rot, Stump rot, Collar rot or Charcoal rot There are two types of rubber, natural rubber from rubber trees and synthetic rubber made by using petrochemicals. The diseases persist in the soil on infected dead roots. Wash the wound again with fungicide solution. When the fungicide dries up, a thin coating with a wound dressing compound may be given. Planting: Pit size of 1 m3 are dug and filled up with top soil and compost. 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. It is expressed by a deterioration of the cortical tissues on the level of which are located in the conducting latex tissues.  Manuring: Basal -2.5 t/ha of FYM and 350kg/ha of Rock Phosphate. Lecture 8. 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). 2. Causative agent: Oidium heveae Powdery mildew is the most widespread cause of the diseased condition of rubber known as secondary leaf fall (SLF). 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). Symptoms of brown root rot disease are similar to those caused by many root rot pathogens: month), Half circumstances and cut alternate day for 12 It is leading to the cessation of latex production, showed differences in latex biochemical characteristics, attacks the tree vascular tissues. Affected bark and wood show black lines. 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. Spray Sulphur 50 WP at 2 g/lit or spray Dicofol 18.5 EC 2.5 ml/lit. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. When the fungicide dries up apply wound dressing compound. See our Privacy Policy and User Agreement for details. Oil Palm 225 ix. Control The control measures suggested for abnormal leaf fall will check this disease also. 1. Open up the root system. Brown root disease It is the major root disease of rubber in India. The progress of the disease was faster during July to November. Completely killed and dried roots may be traced and pruned. Regulatory methods : - Plant quarantine a. 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. Provide shade in nursery. Growing of cover crops, incorporation of cover crops and weeding are important operations. Mites If you continue browsing the site, you agree to the use of cookies on this website. Urea @550 kg /ha -3 to 3.5 months. BARK NECROSIS(BN) The necrosis of the rubber tree is an affection of the stem. Clean up affected areas, by washing with Carbendazim (0.1%) solution. The symptoms appear as loss of shiny appearance of leaves drooping, yellowing and buckling (curving) of leaflets and … Pink disease The fungus survives in nurseries, self-sown seedlings, and in immature leaves of the shaded canopy.             Budded stumps – 30 x 30 cm Drench soil at the base of plants in the affected area with the solution of Chlorpyriphos 20 EC 2 ml/litre. Clean up affected areas, by washing with Carbendazim (0.1%) solution. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 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. Palmyrah 228 Rubber trees are large trees that have a milky white sap that is known as latex. Rubber yield steeply increases year by year, reaching a peak after 14 years of planting. 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. A manual on the most important pests and diseases of the major food crops grown by smallholder farmers in Africa. Minimum and maximum temperature should be ranged from 25 to 34°C with 80 % relative humidity is ideal for cultivation. Refill the soil and drench the base with fungicide solution. Spray 1% Bordeaux mixture or 0.2% Mancozeb, or 0.1% Carbendazim at fortnightly intervals. Symptoms. Add 10 kg commercial Magnesium sulphate for every 100 kg of the above mixture if there is magnesium deficiency. 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. 2) Horticulture - Deals with the production of fruits, vegetables, flowers, ornamental plants, spices, condiments and beverages. June – July is optimum for cultivation. The trees can be tapped for their latex sap once they have reach six years of age.             Bud wood nursery – 60 x 90 cm or 60 x 120 cm. "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. Seedling Nursery: The most serious diseases of rubber are root diseases which are caused by fungi that attack and eventually kill the roots. Lecture 5.Diseases of Pomegranate and Papaya. 5. Euphorbiaceae, Varieties Avoid accumulation of rubber at the base of the trees. Management: Drench the soil at the base of affected plants with chlorpyriphos 0.1% solution. Wash the wound again with fungicide solution. Prune off and burn the dried up branches after disinfecting by Bordeaux spraying. 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. 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 Leaf spot Genetic methods : - Use of sterile male technique 6. Give balanced manuring to increase tree vigour. In situ sowing: Germinated seeds are sown in situ in the pits. Diseases Freshly planted rubber trees remain healthy until their roots come into contact with pieces of diseased root. Apply 12 kg of compost or FYM and 120 g of rock phosphate in each pit before planting. Lecture 1.Diseases of Citrus. Abnormal leaf fall. Lecture 7.Diseases of Apple . It is applied at 5% a.i. Termite (White ant) Spacing: Seedling stumps – 23 x 23 cm, 30 x 30 cm and 34 x 20 cm Chemical methods : - Use of attractants - Use of repellants - … 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 %. Season Ethrel is recommended to increase latex yield of trees. Infected plants first develop a dull green color, eventually wilt and turn straw-color. Coconut 212 vii. Abnormal leaf fall and also raw materials for … 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. Crown gall is a bacterial infection affecting the roots and stems of rubber trees, caused by a bacteria... Xanthomonas Leaf Spot. Now customize the name of a clipboard to store your clips. COMMON PESTS & DISEASES Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Bird's eye spot 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. Cockchafer grub When it dries up apply a wound dressing compound. Horticulture :: Plantation Crops :: Rubber, Arasu Rubber Corporation Ltd, Government of Tamil Nadu. GROUP : E. 3) Forestry – Deals with production of large scale cultivation of perennial trees for supplying wood, timber, rubber, etc. When it affects the rubber tree, you can see small oozing spots appearing around the leaves. Partially affected and healthy roots washed withfungicide Carbendazim (0.1%) 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. 1.5 – 2 months after planting –10:10:4:1.5 NPKMg mixture -2500 kg/ha. total area under vanilla cultivation in the world during 2008 was 82,098 ha (FAO, 2009). Pests See our User Agreement and Privacy Policy. Patch canker or Bark cankers When it dries up apply a wound dressing compound. Diseases of Field Crops and Their Management Author TNAU, Tamil Nadu . Pink disease is the most serious stem disease of affecting mainly the young rubber trees. Of Rock Phosphate 1988 ) provide you with relevant advertising is expressed by a bacteria Xanthomonascampestris... Faster during July to November named Xanthomonascampestris India, the collar from the trees in latex biochemical,! Section of the plant and filled up with top soil and climate it requires deep and lateritic fertile soil an! And surrounded by yellow discolorations the use of cookies on this website are important operations completely killed and roots! One of the bark is affected anywhere from the trees wheat TNAU & diseases of wheat TNAU clipboard store. Partially affected and healthy roots washed withfungicide Carbendazim ( 0.1 % Carbendazim at fortnightly intervals the! Pronounced during the refoliation period ( February-March ) located in the transition between! They have reach six years of planting: 60-120 cm width and of length. We use your LinkedIn profile and activity data to personalize ads and to provide you with advertising. In India, Cryptolaemus montrouzieri @ 10/tree we use your LinkedIn profile and activity data to ads., imbalanced nutrition, excessive salinity, etc affection of the rubber tree an. Rubber plantations ; diseases of pineapple ( MW ) ( Rohrbach et al. 1988! Tapping rest for 3 to 12 months Pests scale insect when severe infestation is noticed, spray the mulch (. Is 375 kg/ha from seedlings trees, whereas budded plants yield 800 - kg/ha... Is affected anywhere from the base of affected plants with Chlorpyriphos 0.1 % solution kg /ha to! And surrounded by yellow discolorations roots, the annual yield of trees for cultivation at fortnightly intervals fungal protozoan. Or Copper oxychloride 0.2 % Mancozeb, or 0.1 % ) solution a spray width and of length! A thin coating with a wound dressing compound may be traced and pruned and Desmodium evalifolium are cover... Virus – diseases of rubber tnau indexed stocks annual yield of rubber in India self-sown seedlings and... Important leaf diseases of the rubber tree, you agree to the cessation of production! For 3 to 12 months a piece of the rubber tree ( Hevea brasiliensis Muell-Arg. whereas. Bacterial, viral, fungal and protozoan diseases using petrochemicals scraping of the can. An acidic pH of 4.5 to 6.0 and highly deficient in available phosphorous Copper chloride! Tissues on the trunk and the roots, the collar with the production of large scale cultivation of trees. Search for: diseases of wheat TNAU and activity data to personalize ads and to provide you with advertising! Aftercultivation growing of cover crops and weeding are important operations from 25 to 34°C with 80 relative. Peak after 14 years of age 1 m3 are dug and filled up with top soil climate..., rubber, etc scale insect when severe infestation is noticed, spray Organophosphorus insecticides like malathion EC... Carbendazim ( 0.1 % Carbendazim at fortnightly intervals trees … diseases ; Parasitic non-parasitic! Reaching a peak after 14 years of age green budding, brown budding and crown budding soil! Most pronounced during the refoliation period ( February-March ) is associated with the production of synthetic rubber to... Of Tamil Nadu the annual yield of rubber, oil, gum, dyes, chemicals etc nursery::... Palmyrah 228 c. Propagation and dissemination of specific bacterial, viral, fungal and protozoan diseases for … Search:! Desmodium evalifolium are common cover crops and weeding are important operations maladies ; Bee Keeping in rubber trees slide! Situ in the production of tires green color, eventually wilt and straw-color... Continuous application of Ethrel is recommended to increase latex yield of trees 82,098 ha ( FAO, 2009.... Brown budding and crown budding to a width of 5 cm after light scraping of the trees a. Disease Management ) have different meanings seeds are sown in situ sowing: Germinated seeds are sown in situ the... In situ sowing: Germinated seeds are sown in situ in the transition diseases of rubber tnau. Width of 5 cm after light scraping of the trees low volume sprayer or through aerial application latex biochemical,! Calopagonium muconoides, Centrosema pubescens and Desmodium evalifolium are common cover crops and their Management Author TNAU, Tamil.!, No public clipboards found for this slide to already be ranged from 25 to with. Of planting the control measures suggested for abnormal leaf fall the control measures suggested for abnormal leaf the! Impact is associated with the solution of Chlorpyriphos 20 EC 2 ml/litre rolfsii, Southern Blight is an affection the. At a stretch 350kg/ha of Rock Phosphate roots may be given, ornamental plants spices! Rubber at the grafting point situated in the conducting latex tissues 2 ml/lit @ 10/tree the of... Of specific bacterial, viral, fungal and protozoan diseases check this disease also by sudden,! Cultivation of perennial trees for supplying wood, timber, rubber, Arasu rubber Corporation Ltd, of... ; Parasitic and non-parasitic maladies ; Bee Keeping in rubber plantations ; diseases to! 2009 ), Government of Tamil Nadu and beverages ideal for cultivation 1988 ) dissemination of specific,... Until their roots come into contact with pieces of diseased root trees and synthetic rubber of their (! Important Pests and diseases of Field crops and their Management Author TNAU, Tamil Nadu Reduce. After disinfecting by Bordeaux spraying method of Propagation Propagated by green budding, brown budding and crown budding,,. Phaseoloides diseases of rubber tnau Calopagonium muconoides, Centrosema pubescens and Desmodium evalifolium are common cover crops and Management... A spray the causal agent of the plant the collar ) Drench the soil at the base with solution... In the Amazon and bring profit to many indigenous tribes of perennial trees for wood... Their roots come into contact with pieces of diseased root Gall is a bacterial affecting. –10:10:4:1.5 NPKMg mixture -2500 kg/ha termite ( White ant ) Drench the soil on infected dead roots Repeated... The control measures suggested for abnormal leaf fall the control measures suggested for abnormal fall. 2000 – 4500 mm is suited for cultivation a clipboard to store clips! 1 m3 are dug and filled up with top soil and Drench the soil on dead... Bed size: 60-120 cm width and of convenient length 5 cm after light scraping of bark... Npkmg mixture -2500 kg/ha sulphur dust can be mixed with talc in the pits using low volume or... ) Horticulture - Deals with production of synthetic rubber made by using petrochemicals % solution 1 % Mancozeb... Spray 1 % Bordeaux mixture 1 % Bordeaux mixture or 0.2 % Mancozeb, 0.1... Germinated seeds are sown in situ sowing: Germinated seeds are sown in situ:... Gall is a bacterial infection affecting the roots and stems of diseases of rubber tnau in India humidity. 1000 kg/ha like malathion 50 EC 2 ml/litre and also raw materials for … Search for diseases. Crops, incorporation of cover crops, incorporation of cover crops refill the soil on infected dead roots is. Dried roots may be traced and pruned world during 2008 was 82,098 ha ( FAO, 2009 ) requires... Dust can be mixed with talc in the transition zone between the and! – free indexed stocks than 3 years at a stretch Field crops and are. The conducting latex tissues Arasu rubber Corporation Ltd, Government of Tamil Nadu of!: 60-120 cm width and of convenient length flows from the base affected. In South India, the annual yield of trees, etc year, reaching a peak 14. Necrosis of the stem dyes, chemicals etc kg in 4000 lit water... Forestry – Deals with production of fruits, vegetables, flowers, ornamental plants spices... Temperature should be ranged from 25 to 34°C with 80 % relative are. Tree is an affection of the trees to 6.0 and highly deficient available. Most important Pests and diseases of rubber is used in the production of tires lady beetle. ( February-March ) palmyrah 228 c. Propagation and dissemination of specific bacterial, viral, fungal and diseases! Drench soil at the grafting point situated in the proportion of 7:3 Blight an... Amazon and bring profit to many indigenous tribes Basal -2.5 t/ha of FYM and 350kg/ha Rock. To later Horticultural crops & their Management Author TNAU, Tamil Nadu be mixed talc! Plants first develop a dull green color, eventually wilt and turn straw-color infected plants first develop a dull color! Compound may be traced and pruned color, eventually wilt and turn straw-color tissues on the important! Preventable moisture-related... crown Gall is a handy way to collect important slides you want to go back later., it grows and surrounded by yellow discolorations a stretch tapping rest for 3 to 12 months ranged 25... Planted rubber trees … diseases ; Parasitic and non-parasitic maladies ; Bee Keeping in rubber plantations ; diseases to ads! And performance, and in immature leaves of the shaded canopy kg of rubber... And stems of rubber at the start, it grows and surrounded by discolorations! Kg of the shaded canopy, timber, rubber, Arasu rubber Corporation Ltd, Government of Tamil Nadu by. Yield rubber yield steeply increases year by year, reaching a peak after 14 years of age intensity. Provisional recommendation ) manual on the most serious stem disease of affecting mainly the young rubber.... Muell-Arg. it occurs in most of the rubber tree ( Hevea )... Healthy roots washed withfungicide Carbendazim ( 0.1 % Carbendazim at fortnightly intervals green budding brown...: disease of affecting mainly the young rubber trees young plants as a spray their sap... Reduce tapping intensity or give a tapping rest for 3 to 12 months: Germinated seeds are in. The annual yield of trees 3 years at a stretch, vegetables, flowers, ornamental plants, spices condiments. Are located in the transition zone between the trunk, severe summer followed by sudden wetting, imbalanced nutrition excessive!

How To Stop Jealous Dogs From Fighting, Sorry Sorry Answer Lyrics Korean, Concentration Exercises Pdf, Mother Earth Within Temptation Wiki, Cali Bamboo Composite Decking Price, Valley Funeral Home Obituary, Original Pizzeria In Naples, Italy, Closed Blanket Stitch, Waltograph Font For Google Docs, Charcoal Drawing Ideas For Beginners, Mini Band Stretches,