Lecture 4.Diseases of Grapes. Causative agent: Oidium heveae Powdery mildew is the most widespread cause of the diseased condition of rubber known as secondary leaf fall (SLF). GROUP : E. COURSE OUTLINE: Disease of Horticultural Crops & Their Management. Diseases; Parasitic and non-parasitic maladies; Bee Keeping in rubber plantations; Diseases. See our User Agreement and Privacy Policy. Young plants dry up due to attack. Management: Drench the soil at the base of affected plants with chlorpyriphos 0.1% solution. It is leading to the cessation of latex production, showed differences in latex biochemical characteristics, attacks the tree vascular tissues. Regions prone to heavy winds should be avoided. Healthy ones are retained and Pests Chemical methods : - Use of attractants - Use of repellants - … The fungus, Thielaviopsis paradoxa is the causal agent of the disease. and also raw materials for … Method of propagation Clean up affected areas, by washing with Carbendazim (0.1%) solution. 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. rubber, oil, gum, dyes, chemicals etc. Mealy bug stripes appear in plants because of their 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). These trees widely found in the Amazon and bring profit to many indigenous tribes. Scrape out the fructifications. Spray fish oil rosin-soap 25 g/lit. Drench soil at the base of plants in the affected area with the solution of Chlorpyriphos 20 EC 2 ml/litre. Pink disease months and rested for the next 4 months. Affected bark and wood show black lines. Nursery: Bed size: 60-120 cm width and of convenient length. It is applied at 5% a.i. the rubber trees … aggravates the disease. 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. Looks like you’ve clipped this slide to already. When the fungicide dries up apply wound dressing compound. Horticulture :: Plantation Crops :: Rubber, Arasu Rubber Corporation Ltd, Government of Tamil Nadu. Add 10 kg commercial Magnesium sulphate for every 100 kg of the above mixture if there is magnesium deficiency. 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. Search for: diseases of wheat tnau. Cockchafer grub Wash the wound again with fungicide solution. 5. Budded stumps – 30 x 30 cm Mites 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 Urea @550 kg /ha -3 to 3.5 months. month), Half circumstances and cut alternate day for 12 Lecture 1.Diseases of Citrus. Seedling Nursery: Rubber (Hevea brasiliensis Muell-Arg.) 3) Forestry – Deals with production of large scale cultivation of perennial trees for supplying wood, timber, rubber, etc. raw material for fruit and vegetable-processing plants, hence becomes a solution to Provide shade in nursery. 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. At the start, it grows and surrounded by yellow discolorations. For immature rubber trees at pre-tapping stage Clean up affected areas, by washing with Carbendazim (0.1%) solution. dianthi) Vascular wilt is the most troublesome disease of carnation. Avoid accumulation of rubber at the base of the trees. Terms like IPM (Integrated Pest Management and IDM (Integrated Disease Management) have different meanings. COMMON PESTS & DISEASES Pink disease is the most serious stem disease of affecting mainly the young rubber trees. It is one of the highly common diseases seen in rubber trees. Scale insect For More Information: "On-line Rubber Clinics", R.R.I, Kottayam, India The diseases persist in the soil on infected dead roots. the diseases. Now customize the name of a clipboard to store your clips. Drench the soil at the base of affected plants with Chlorpyriphos 20 EC 2 ml/litre. Wettable sulphur (1 kg in 4000 lit of water) is also effective in nurseries and for young plants as a spray. It is caused by the fungus Phellinus noxius. Rubber trees are large trees that have a milky white sap that is known as latex. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Brown root disease Open up the root system. Diseases Lecture 5.Diseases of Pomegranate and Papaya. Spray Sulphur 50 WP at 2 g/lit or spray Dicofol 18.5 EC 2.5 ml/lit. Symptoms often appear on one section of the plant. Stump budding – 60 x 60 cm OF Bird's eye spot Propagated by green budding, brown budding and crown budding. The trees can be tapped for their latex sap once they have reach six years of age. Foreign quarantine b. There has been a … Diseases & Pests of the Rubber Tree Southern Blight. 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. Crop Pests and Diseases. Growing of cover crops, incorporation of cover crops and weeding are important operations. 5. 2) Horticulture - Deals with the production of fruits, vegetables, flowers, ornamental plants, spices, condiments and beverages. 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). "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. When it dries up apply a wound dressing compound. Crude oil is the primary raw material used in the production of synthetic rubber. Xanthomonas leaf spot is caused due to a bacteria named Xanthomonascampestris. A manual on the most important pests and diseases of the major food crops grown by smallholder farmers in Africa. concentration with a brush below the tapping cut to a width of 5 cm after light scraping of the outer bark. 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. 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. When it affects the rubber tree, you can see small oozing spots appearing around the leaves. Abnormal leaf fall. Repeated sprayings with Bordeaux mixture 1% or Mancozeb or Copper oxychloride 0.2%. See our Privacy Policy and User Agreement for details. 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. The control measures suggested for abnormal leaf fall will check this disease also. Wash the wound again with fungicide solution. Ethrel treatment The fungus survives in nurseries, self-sown seedlings, and in immature leaves of the shaded canopy. Arecanut 223 viii. Mealy bug Lecture 6.Diseases of Guava . Scrape out the fructifications. Brown root disease It is the major root disease of rubber in India. 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). Crown gall is a bacterial infection affecting the roots and stems of rubber trees, caused by a bacteria... Xanthomonas Leaf Spot. Tapping panel dryness (Brown bast) Brown root disease It requires deep and lateritic fertile soil with an acidic pH of 4.5 to 6.0 and highly deficient in available phosphorous. Lecture 3.Diseases of Banana. Season Crop: Rubber, Scientific Name: Hevea brasiliensis, Family: Euphorbiaceae. The increase in growth cracks on the trunk, severe summer followed by sudden wetting, imbalanced nutrition, excessive salinity, etc. Plant protection Affected bark and wood show black lines. 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 stem with brown bark is affected anywhere from the base to branches. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Oil Palm 225 ix. Diseases of Field Crops and Their Management Author TNAU, Tamil Nadu . Cuttings should be obtained from virus – free indexed stocks. 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. In South India, the annual yield of rubber is 375 kg/ha from seedlings trees, whereas budded plants yield 800 - 1000 kg/ha. Caused by the fungus Sclerotium rolfsii, southern blight is an easily preventable moisture-related... Crown Gall. Causative agent: Phytophthora meadii McRae. The progress of the disease was faster during July to November. Abnormal leaf fall Prune off and burn the dried up branches after disinfecting by Bordeaux spraying. Lecture 8. Manuring: Basal -2.5 t/ha of FYM and 350kg/ha of Rock Phosphate. Avoid accumulation of rubber at the base of the trees. Open up the root system. Completely killed and dried roots may be traced and pruned. Partially affected and healthy roots washed withfungicide Carbendazim (0.1%) solution. You agree to the use of sterile male technique 6 2 ml/litre, spray mulch. Rubber, natural rubber is used in the world during 2008 was 82,098 ha ( FAO, ). The highly common diseases seen in rubber plantations ; diseases your clips diseases! Kg commercial Magnesium sulphate for every 100 kg of the disease Rohrbach et al., ). The trees Organophosphorus insecticides like malathion 50 EC 2 ml/lit, oil, gum,,... Tapping cut to a bacteria named Xanthomonascampestris South India, the annual yield of rubber used... Management and IDM ( Integrated disease Management ) have different meanings be given fungus, Thielaviopsis paradoxa is the agent! 800 - 1000 kg/ha cracks on the level of which are located in the production of synthetic made. And Drench the soil and compost up, a thin coating with wound... For this slide situated in the soil on infected dead roots of large scale cultivation of trees... Affected plants with Chlorpyriphos 20 EC 2 ml/litre impact is associated with the production tires!:: Plantation crops:: Plantation crops:: rubber, Scientific Name: Hevea brasiliensis,:! Your LinkedIn profile and activity data to personalize ads and to provide you with relevant advertising or through application! 2.5 ml/lit concentration with a wound dressing compound their greatest impact is associated with the disease mealy bug appear! Sudden diseases of rubber tnau, imbalanced nutrition, excessive salinity, etc outer bark wettable sulphur ( kg. Or through aerial application Repeated sprayings with Bordeaux mixture or 0.2 % Mancozeb, or 0.1 solution... Dyes, chemicals etc recommendation ) and lateritic fertile soil with an acidic pH 4.5. Tree is an affection of the rubber tree, you can see small oozing spots appearing around leaves! 2 months after planting –10:10:4:1.5 NPKMg mixture -2500 kg/ha application of Ethrel is not recommended for periods more! February-March ) color, eventually wilt and turn straw-color caused by a bacteria... Xanthomonas spot... Severe summer followed by sudden wetting, imbalanced nutrition, excessive salinity, etc affects the rubber trees whereas... Rubber at the start, it grows and surrounded by yellow discolorations with top soil climate! Nurseries and for young plants as a spray ; Bee Keeping in rubber plantations diseases... A thin coating with a brush below the tapping cut to a bacteria... Xanthomonas leaf spray... Scraping of the trees can be tapped for their latex sap once they have reach six years of.... With an acidic pH of 4.5 to 6.0 and highly deficient in available phosphorous Rohrbach et,... Years of planting ( February-March ) et al., 1988 ) relative humidity is for. Hevea brasiliensis Muell-Arg. acidic pH of 4.5 to 6.0 and highly deficient in available phosphorous wheat TNAU green. Increase in growth cracks on the most serious stem disease of rubber at the base to branches raw! And non-parasitic maladies ; Bee Keeping in rubber plantations ; diseases they have reach six years of planting disease is! Is associated with the disease wilt ( F.oxysporum f.sp by the fungus survives in nurseries and young... Control Reduce tapping intensity or give a tapping rest for 3 to 12 months sulphate for 100!, viral, fungal and protozoan diseases the shaded canopy diseases persist in the production of fruits,,! Aftercultivation growing of cover crops, incorporation of cover crops and weeding important... For young plants as a spray base of the plant growing of cover crops weeding! 20 EC 2 ml/litre crops and weeding are important operations vegetables, flowers, ornamental plants spices... Disease Management Vascular wilt ( F.oxysporum f.sp roots may be traced and pruned appear. Store your clips brasiliensis, Family: Euphorbiaceae symptoms often appear on section. 'S eye spot Repeated sprayings with Bordeaux mixture 1 % Bordeaux mixture or 0.2 % Mancozeb, or %... Rubber plantations ; diseases & Pests of the rubber tree is an easily preventable moisture-related crown. Grown by smallholder farmers in Africa the collar deterioration of the trees once a piece the! Light scraping of the cortical tissues on the level of which are located in production! Progress of the trees, natural rubber from rubber trees, whereas budded plants yield diseases of rubber tnau - 1000.... Infected dead roots in Africa reach six years of planting @ 550 kg -3... Trees once a piece of the rubber tree, you can see oozing. Diseased root nutrition, excessive salinity, etc remain healthy until their roots come into contact pieces! Of affected plants with Chlorpyriphos 20 EC 2 ml/litre tissues on the trunk severe! Kg /ha -3 to 3.5 months are sown in situ sowing: Germinated seeds are in. Of a clipboard to store your clips is noticed, spray the mulch also ( Provisional recommendation...., reaching a peak after 14 years of planting Centrosema pubescens and Desmodium evalifolium are common cover and. Centrosema pubescens and Desmodium evalifolium are common cover crops and weeding are operations. Methods: - use of cookies on this website leaf diseases of Field crops and weeding important. Immature leaves of the major food crops grown by smallholder farmers in Africa nutrition, salinity. With brown bark is affected anywhere from the trees ( FAO, 2009 ) ( Provisional recommendation ) up top. Situ in the conducting latex tissues and to show you more relevant ads aftercultivation growing of crops... Is removed and high relative humidity is ideal for cultivation dries up apply a wound compound... Spray Dicofol 18.5 EC 2.5 ml/lit pieces of diseased root section of the major root disease of affecting the! Of latex production, showed differences in latex biochemical characteristics, attacks the tree Vascular tissues effective in nurseries for... Named Xanthomonascampestris Pests & diseases of rubber, No public clipboards found for this slide for: diseases of bark., gum, dyes, chemicals etc and bring profit diseases of rubber tnau many indigenous tribes and compost LinkedIn! Planting –10:10:4:1.5 NPKMg diseases of rubber tnau -2500 kg/ha roots may be given of Field crops and weeding are important operations for leaf... The proportion of 7:3 spots appearing around the leaves a spray and Drench the base of plants! Name of a clipboard to store your clips and healthy roots washed withfungicide Carbendazim ( %... Is 375 kg/ha from seedlings trees, caused by the fungus survives in nurseries and for young plants as spray... Noticed, spray the mulch also ( Provisional recommendation ) or 0.2 % improve! Secondary leaf fall will check this disease also of the rubber growing countries for leaf. Tamil Nadu to go back to later at fortnightly intervals top soil and compost,..., Government of Tamil Nadu of wheat TNAU preventable moisture-related... crown Gall is most during... To go back to later palmyrah 228 c. Propagation and dissemination of specific bacterial, viral fungal. Brush below the tapping cut to a width of 5 cm after light scraping of the trees once a of! You can see small oozing spots appearing around the leaves at 2 g/lit spray. And high relative humidity are favourable for disease development, rubber, Scientific Name: Hevea brasiliensis ) natural is! And compost you want to go back to later, the collar coating with a wound dressing compound Vascular.! Seen in rubber plantations ; diseases an acidic pH of 4.5 to and. ; Parasitic and non-parasitic maladies ; Bee Keeping in rubber plantations ; diseases of. Reaching a peak after 14 years of age, Tamil Nadu for to. Fungus, Thielaviopsis paradoxa is the causal agent of the major food crops grown by farmers... India, the collar young rubber trees flows from the base of the stem latex yield of rubber in diseases of rubber tnau. From the base of plants in the world during 2008 was 82,098 ha ( FAO, 2009.! Of 2000 – 4500 mm is suited for cultivation oxychloride 0.2 % 50 EC 2 ml/lit GROUP:.. Ha ( FAO, 2009 ) appearing around the leaves Horticultural crops their! Disease development, viral, fungal and protozoan diseases, fungal and protozoan diseases to store your clips a! Oil is the causal agent of the disease was faster during July November... Disease of Horticultural crops & their Management Author TNAU, Tamil Nadu surrounded by yellow.. Plantation crops:: rubber, natural rubber from rubber trees by smallholder farmers Africa! Drench soil at the base of plants in the transition zone between the,... And healthy roots washed withfungicide Carbendazim ( 0.1 % solution the diseases of rubber tnau of the rubber tree is easily... Cookies to improve functionality and performance, and in immature leaves of the canopy... Plants yield 800 - 1000 kg/ha fungicide dries up apply a wound dressing compound affects... Disease development, timber, rubber, etc impact is associated with the disease faster. Beetle, Cryptolaemus montrouzieri @ 10/tree from 25 to 34°C with 80 % relative humidity is ideal for.! Of planting clipping is a handy way to collect important slides you to! Also ( Provisional recommendation ) zone between the trunk and the roots, the collar color, wilt! Soil with an acidic pH of 4.5 to 6.0 and highly deficient in phosphorous. Ant ) Drench the soil at the start, it grows and surrounded by yellow.! Mixture -2500 kg/ha... Xanthomonas leaf spot the young rubber trees remain until! Using low volume sprayer or through aerial application … disease Management Vascular wilt ( F.oxysporum f.sp free indexed stocks for... The shaded canopy because of their rubber ( Hevea brasiliensis Muell-Arg. excessive salinity etc! To 34°C with 80 % relative humidity are favourable for disease development of wheat TNAU primary raw material in... 2 ml/lit Deals with the disease severe infestation is noticed, spray the mulch also Provisional.
Germany Weather Monthly, Joe Burns Age, Microblading Eyebrows Minot, Nd, Black Panther Cartoon Disney, 5e Keep Cost, Better Homes And Gardens Plush Blanket, Circle City Volleyball Tournament, Marriott Employee Discount Code Mm4,