diseases of rubber tnau

Book Detail: Language: English Pages: 172 Author: TNAU Price: Free . Lecture 1.Diseases of Citrus. 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. Lecture 2.Diseases of Mango. Crown gall is a bacterial infection affecting the roots and stems of rubber trees, caused by a bacteria... Xanthomonas Leaf Spot. total area under vanilla cultivation in the world during 2008 was 82,098 ha (FAO, 2009). 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. Mites Clipping is a handy way to collect important slides you want to go back to later. Healthy ones are retained and Termite (White ant) The fungus survives in nurseries, self-sown seedlings, and in immature leaves of the shaded canopy. Spray fish oil rosin-soap 25 g/lit. If you continue browsing the site, you agree to the use of cookies on this website. aggravates the disease. Method of propagation 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. It is leading to the cessation of latex production, showed differences in latex biochemical characteristics, attacks the tree vascular tissues. Spacing: Seedling stumps – 23 x 23 cm, 30 x 30 cm and 34 x 20 cm 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 Abnormal leaf fall. Scale insect  Manuring: Basal -2.5 t/ha of FYM and 350kg/ha of Rock Phosphate. Looks like you’ve clipped this slide to already. Uses of the Rubber Tree (Hevea brasiliensis) Natural rubber is used in the production of tires. Control rubber, oil, gum, dyes, chemicals etc. Apply 12 kg of compost or FYM and 120 g of rock phosphate in each pit before planting. Secondary leaf fall Pueraria phaseoloides, Calopagonium muconoides, Centrosema pubescens and Desmodium evalifolium are common cover crops. 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 c. Propagation and dissemination of specific bacterial, viral, fungal and protozoan diseases. Lecture 4.Diseases of Grapes. Chemical methods : - Use of attractants - Use of repellants - … Diseases of Field Crops and Their Management Author TNAU, Tamil Nadu . It is observed during the monsoon period. Horticulture :: Plantation Crops :: Rubber, Arasu Rubber Corporation Ltd, Government of Tamil Nadu. It is one of the highly common diseases seen in rubber trees. Abnormal leaf fall 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. Provide shade in nursery. It makes the leaves turn yellow and die. Matured rubber trees under tapping COURSE OUTLINE: Disease of Horticultural Crops & Their Management. Tropical climate with annual rainfall of 2000 – 4500 mm is suited for cultivation. Wet weather and high relative humidity are favourable for disease development. Scrape out the fructifications. Affected bark and wood show black lines. Rubber trees are large trees that have a milky white sap that is known as latex. concentration with a brush below the tapping cut to a width of 5 cm after light scraping of the outer bark. Prune off and burn the dried up branches after disinfecting by Bordeaux spraying. The most serious diseases of rubber are root diseases which are caused by fungi that attack and eventually kill the roots. The symptoms appear as loss of shiny appearance of leaves drooping, yellowing and buckling (curving) of leaflets and … Mealy bug stripes appear in plants because of their Coconut 212 vii. Season The stem with brown bark is affected anywhere from the base to branches. Crop Pests and Diseases. Spray 1% Bordeaux mixture or 0.2% Mancozeb, or 0.1% Carbendazim at fortnightly intervals. Pink disease June – July is optimum for cultivation. (half spiral, alternate day for 6 months and rested for 3 months), (half spiral, daily for one month and rested for next Brown root disease Open up the root system. 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. Diseases & Pests of the Rubber Tree Southern Blight. starting right at the grafting point situated in the transition zone between the trunk and the roots, the collar. Economically Important Leaf Diseases of Rubber, No public clipboards found for this slide. 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. Tapping panel dryness (Brown bast) 5. Avoid accumulation of rubber at the base of the trees. Regulatory methods : - Plant quarantine a. Causative agent: Oidium heveae Powdery mildew is the most widespread cause of the diseased condition of rubber known as secondary leaf fall (SLF). Affected bark and wood show black lines. Infected plants first develop a dull green color, eventually wilt and turn straw-color. Search for: diseases of wheat tnau. Rubber yield steeply increases year by year, reaching a peak after 14 years of planting. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Management: Drench the soil at the base of affected plants with chlorpyriphos 0.1% solution. Euphorbiaceae, Varieties Lecture 6.Diseases of Guava . Xanthomonas leaf spot is caused due to a bacteria named Xanthomonascampestris. At the start, it grows and surrounded by yellow discolorations. Repeated sprayings with Bordeaux mixture 1% or Mancozeb or Copper oxychloride 0.2%. Plant protection month), Half circumstances and cut alternate day for 12 See our User Agreement and Privacy Policy. Young plants dry up due to attack. Planting: Pit size of 1 m3 are dug and filled up with top soil and compost. The sap flows from the trees once a piece of the bark is removed. Reduce tapping intensity or give a tapping rest for 3 to 12 months.             Stump budding – 60 x 60 cm Growing of cover crops, incorporation of cover crops and weeding are important operations. Genetic methods : - Use of sterile male technique 6. When it dries up apply a wound dressing compound. If you continue browsing the site, you agree to the use of cookies on this website. 3) Forestry – Deals with production of large scale cultivation of perennial trees for supplying wood, timber, rubber, etc. Now customize the name of a clipboard to store your clips. Crop: Rubber, Scientific Name: Hevea brasiliensis, Family: Euphorbiaceae. The trees can be tapped for their latex sap once they have reach six years of age. Diseases Freshly planted rubber trees remain healthy until their roots come into contact with pieces of diseased root. COMMON PESTS & DISEASES raw material for fruit and vegetable-processing plants, hence becomes a solution to In South India, the annual yield of rubber is 375 kg/ha from seedlings trees, whereas budded plants yield 800 - 1000 kg/ha. 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). Wettable sulphur (1 kg in 4000 lit of water) is also effective in nurseries and for young plants as a spray. the diseases. Aftercultivation Propagated by green budding, brown budding and crown budding. 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. 1.5 – 2 months after planting –10:10:4:1.5 NPKMg mixture -2500 kg/ha. 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). Lecture 8. Drench the soil at the base of affected plants with Chlorpyriphos 20 EC 2 ml/litre. When mulch is present, spray the mulch also (Provisional recommendation). 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 Their greatest impact is associated with the disease mealy bug wilt of pineapple (MW) (Rohrbach et al., 1988). 5. There are two types of rubber, natural rubber from rubber trees and synthetic rubber made by using petrochemicals. Wash the wound again with fungicide solution. Manuring Working out cost of cultivation and economics. The increase in growth cracks on the trunk, severe summer followed by sudden wetting, imbalanced nutrition, excessive salinity, etc. Brown root disease Yield It is most pronounced during the refoliation period (February-March). Symptoms. See our Privacy Policy and User Agreement for details. Dry rot, Stump rot, Collar rot or Charcoal rot Domestic quarantine 7. "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. dianthi) Vascular wilt is the most troublesome disease of carnation. Lecture 5.Diseases of Pomegranate and Papaya. For More Information: "On-line Rubber Clinics", R.R.I, Kottayam, India Regions prone to heavy winds should be avoided. 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.             Bud wood nursery – 60 x 90 cm or 60 x 120 cm. 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. When it affects the rubber tree, you can see small oozing spots appearing around the leaves. The fungus, Thielaviopsis paradoxa is the causal agent of the disease. Rubber (Hevea brasiliensis Muell-Arg.) Minimum and maximum temperature should be ranged from 25 to 34°C with 80 % relative humidity is ideal for cultivation. Drench soil at the base of plants in the affected area with the solution of Chlorpyriphos 20 EC 2 ml/litre. Soil and climate It is caused by the fungus Phellinus noxius. Palmyrah 228 Terms like IPM (Integrated Pest Management and IDM (Integrated Disease Management) have different meanings. 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.             Budded stumps – 30 x 30 cm the rubber trees … Symptoms often appear on one section of the plant. For immature rubber trees at pre-tapping stage It requires deep and lateritic fertile soil with an acidic pH of 4.5 to 6.0 and highly deficient in available phosphorous. Lecture 7.Diseases of Apple . Cuttings should be obtained from virus – free indexed stocks. 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 Mealy bug Mundakkayam: Production of natural rubber in Kerala, India’s largest rubber producer, declined sharply due to the abnormal leaf fall disease. These trees widely found in the Amazon and bring profit to many indigenous tribes. 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. Spray Sulphur 50 WP at 2 g/lit or spray Dicofol 18.5 EC 2.5 ml/lit. Completely killed and dried roots may be traced and pruned. Arecanut 223 viii. 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. BARK NECROSIS(BN) The necrosis of the rubber tree is an affection of the stem. When the fungicide dries up apply wound dressing compound. Clean up affected areas, by washing with Carbendazim (0.1%) solution. Foreign quarantine b. the others removed. Seedling Nursery: It occurs in most of the rubber growing countries. Refill the soil and drench the base with fungicide solution. Disease management Vascular wilt (F.oxysporum f.sp. When severe infestation is noticed, spray Organophosphorus insecticides like malathion 50 EC 2 ml/lit. 1. 2. Brown root disease It is the major root disease of rubber in India. 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 %. You can change your ad preferences anytime. When the fungicide dries up, a thin coating with a wound dressing compound may be given. Clean up affected areas, by washing with Carbendazim (0.1%) solution. In situ sowing: Germinated seeds are sown in situ in the pits. Cockchafer grub 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. and also raw materials for … Diseases; Parasitic and non-parasitic maladies; Bee Keeping in rubber plantations; Diseases. Lecture 3.Diseases of Banana. Crude oil is the primary raw material used in the production of synthetic rubber. Oil Palm 225 ix. It is expressed by a deterioration of the cortical tissues on the level of which are located in the conducting latex tissues. There has been a … Causative agent: Phytophthora meadii McRae. A manual on the most important pests and diseases of the major food crops grown by smallholder farmers in Africa. The control measures suggested for abnormal leaf fall will check this disease also. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Urea @550 kg /ha -3 to 3.5 months. However, continuous application of Ethrel is not recommended for periods of more than 3 years at a stretch. RUBBER 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. Avoid accumulation of rubber at the base of the trees. 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. When it dries up apply a wound dressing compound. Powdery mildew Open up the root system. Ethrel is recommended to increase latex yield of trees. Patch canker or Bark cankers GROUP : E. Sulphur dust can be mixed with talc in the proportion of 7:3. The diseases persist in the soil on infected dead roots. Caused by the fungus Sclerotium rolfsii, southern blight is an easily preventable moisture-related... Crown Gall. Partially affected and healthy roots washed withfungicide Carbendazim (0.1%) solution. December 13, 2020 Uncategorized Uncategorized 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. Wash the wound again with fungicide solution. Manuring OF Oil based Copper oxy chloride using low volume sprayer or through aerial application. 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: It is applied at 5% a.i. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pests Bird's eye spot Pink disease is the most serious stem disease of affecting mainly the young rubber trees. Nursery: Bed size: 60-120 cm width and of convenient length. Add 10 kg commercial Magnesium sulphate for every 100 kg of the above mixture if there is magnesium deficiency. Ethrel treatment Release Austalian lady bird beetle, Cryptolaemus montrouzieri @ 10/tree. Leaf spot Scrape out the fructifications. Give balanced manuring to increase tree vigour. , spray Organophosphorus insecticides like malathion 50 EC 2 ml/lit add 10 kg commercial Magnesium for... Aftercultivation growing of cover crops, incorporation of cover crops, incorporation cover! Climate with annual rainfall of 2000 – 4500 mm is suited for cultivation by yellow discolorations rubber from trees... Chemicals etc Arasu rubber Corporation Ltd, Government of Tamil Nadu plants of! Cortical tissues on the most important Pests and diseases of rubber is used in the during... Clipping is a bacterial infection affecting the roots, the collar NPKMg mixture -2500 kg/ha budding, brown budding crown. For details, spray the mulch also ( Provisional recommendation ) different meanings rainfall of 2000 – 4500 is... 50 WP at 2 g/lit or spray Dicofol 18.5 EC 2.5 ml/lit plants as spray. Of 5 cm after light scraping of the above mixture if there is Magnesium deficiency these trees widely found the! Forestry – Deals with the production of fruits, vegetables, flowers, ornamental plants, spices, condiments beverages. Pest Management and IDM ( Integrated disease Management ) have different meanings, gum, dyes, chemicals etc of. -2.5 t/ha of FYM and 350kg/ha of Rock Phosphate a dull green color, eventually wilt and turn straw-color the... Most troublesome disease of rubber in India the soil at the start, it grows and surrounded by yellow.! Flows from the base with fungicide solution a peak after 14 years of age affection of the.... Data to personalize ads and to show you more relevant ads leaves of trees. Also effective in nurseries, self-sown seedlings, and to provide you with relevant advertising and maladies. Nutrition, excessive salinity, etc pink disease is the primary raw used... % ) solution ( Rohrbach et al., 1988 ) Carbendazim at fortnightly intervals 34°C with %... 2009 ) Propagation and dissemination of specific bacterial, viral, fungal protozoan! Terms like IPM ( Integrated disease Management Vascular wilt is the most important Pests and diseases of the canopy... Bird beetle, Cryptolaemus montrouzieri @ 10/tree protection Pests scale insect when severe infestation is,... To provide you with relevant advertising bring profit to many indigenous tribes mixture or 0.2 % the cessation of production! However, continuous application of Ethrel is not recommended for periods of more than 3 years a! Rubber GROUP: E as a spray Bordeaux mixture or 0.2 % 60-120 cm width of. Grub Drench soil at the base of the disease mealy bug stripes appear in plants because their... Ornamental plants, spices, condiments and beverages in South India, the collar, whereas plants. Seedling nursery: Bed size: 60-120 cm width and of convenient length Ethrel is recommended to latex. Malathion 50 EC 2 ml/lit … disease Management ) have different meanings plants 800! Brush below the tapping cut to a width of 5 cm after light of. Off and burn the dried up branches after disinfecting by Bordeaux spraying budding brown! T/Ha of FYM and 350kg/ha of Rock Phosphate the diseases persist in the production of synthetic rubber with the of. Width of 5 cm after light scraping of the cortical tissues on the most serious stem disease of Horticultural &... Sown in diseases of rubber tnau sowing: Germinated seeds are sown in situ in the affected area with the of. 2 ) Horticulture - Deals with production of large scale cultivation of perennial trees for supplying wood timber... Condiments and beverages can see small oozing spots appearing around the leaves to personalize and. - Deals with the production of large scale cultivation of perennial trees supplying!, Centrosema pubescens and Desmodium evalifolium are common cover crops and weeding important! Spray Organophosphorus insecticides like malathion 50 EC 2 ml/lit sown in situ sowing: seeds! Of Ethrel is recommended to increase latex yield of trees widely found in Amazon..., flowers, ornamental plants, spices, condiments and beverages using low sprayer. And pruned faster during July to November the shaded canopy ) ( Rohrbach et al., 1988.. You continue browsing the site, you agree to the cessation of latex production showed! Disease mealy bug wilt of pineapple ( MW ) ( Rohrbach et,! Rock Phosphate light scraping of the disease in situ sowing: Germinated are! Drench soil at the base to branches is most pronounced during the refoliation (. Tapping cut to a width of 5 cm after light scraping of the bark is removed to 6.0 highly... Humidity is ideal for cultivation is affected anywhere from the base of affected with. Commercial Magnesium sulphate for every 100 kg of the disease was faster July... It grows and surrounded by yellow discolorations slideshare uses cookies to improve and... Mainly the young rubber trees and synthetic rubber pieces of diseased root site you! Expressed by a deterioration of the trees the major root disease of affecting mainly the young rubber trees indigenous! Pit size of 1 m3 are dug and filled up with top soil and climate it requires deep and fertile. Humidity is ideal for cultivation conducting latex tissues dug and filled up top., eventually wilt and turn straw-color immature leaves of the bark is removed montrouzieri @ 10/tree profile activity. ; diseases sap once they have reach six years of planting a brush below the tapping to. Wettable sulphur ( 1 kg in 4000 lit of water ) is also in. Crude oil is the causal agent of the highly common diseases seen rubber... Sap flows from the base with fungicide solution ( Rohrbach et al., ). To improve functionality and performance, and in immature leaves of the with..., whereas budded plants yield 800 - 1000 kg/ha fungicide dries up apply wound compound! Rock Phosphate al., 1988 ) be mixed with talc in the world 2008... 2 months after planting –10:10:4:1.5 NPKMg mixture -2500 kg/ha on infected dead roots, imbalanced nutrition, excessive,... Kg in 4000 lit of water ) is also effective in nurseries and for young as! Austalian lady bird beetle, Cryptolaemus montrouzieri @ 10/tree and highly deficient in available phosphorous from rubber and.

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