Author name: Examups

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Mango Stem borer

Symptoms of damage   •Grub tunnels in the sapwood on the trunk or branches •Grub bore into the sap wood and macking irregular tunnels. •Feeding the vascular tissues •interruption of nutrient and water transport on the tissue •Drying of terminal shoot in early stage •Frass comes out from several points and some times sap oozes out of the holes •Wilting of branches or entire tree   Identification of pest   •Grub – Linear, fleshy, apodous •Adult – Grayish beetle with two pink dots and lateral spine   Life cycle Management   • •Remove and destroy dead and severely affected branches of the tree •Remove alternate host, silk cotton and other hosts •Grow tolerant mango varieties viz., Neelam, Humayudin. •Swab Coal tar + Kerosene @ 1:2 or Carbaryl 50 WP 20 g / l (basal portion of the trunk – 3 feet height) after scraping the loose bark to prevent oviposition by adult beetles. •If infestations are severe then apply the copper oxychloride paste on the trunk of the tree. •One celphos tablet (3 g aluminum phosphide) per hole •Apply carbofuran 3G 5 g per hole and plug with mud. Download Pdf

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Melon fruit – fly

•Distribution : india, Pakistn, Myanmer, malaysia, china, formosa, japan, east africa, australia & the hawaiian island. •Host plant : musk melon and other cucurbits & also found tomato, chillis, guava, citrus, pear, fig, cauliflower etc. •Only the maggots cause damage by feeding on near ripe fruits. Identification •Maggots : lrgless and headleas,dirty white wriggling creatures. •Adult : reddish brown with lemon – yellow markings on the thorax. Life cycle Damage •The maggots pollute and destroy fruit by feeding on pulp. •Damage caused serious in melon and after the first shower of the momsoon. •Other cucurbitaceous infested up to 50 % Management •Spray 50 ml of malathion 50EC + 0.5 kg of gur/suger in 50 l. of water/ha when serious attack. Download Pdf

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Mango,Guava furit fly

•Distribution and Status : India, Pakistan, South-East Asia, Malaysia, Indonesia, Formosa, Philippines, Australia, China, Hawaii Islands, China and Taiwan. •Host range : Mango, guava, peach, apricot, cherry, pear, ber, citrus, banana, papaya, avocado, passion fruit, coffee, melons, jack fruit, strawberry. Symptoms of damage   •Damage is caused by grub only and feed on pulp. •Maggot bore into semi-ripen fruits with decayed spots and dropping of fruits. •Oozing of fluid •Brownish rotten patches on fruits. Identification of pest   •Larva – Yellowish apodous maggots. •Adult – Light brown with transparent wing  Maggots of fruit fly dropping out of mango fruit Life cycle of Fruit fly Management   •Collect fallen infested fruits and dispose them by dumping in a pit •Provide summer ploughing to expose the pupa •Monitor the activity of flies with methyl eugenol sex lure traps. •Bait spray – combing any one of the insecticides and molasses or jaggery 10 g/l, •o malathion 50EC 2 ml/l, •o dimethoate 30 EC 1 ml/l, •o carbaryl 50 WP 4 g/l. two rounds at 2 weeks interval before ripening of fruits. •Biological control • Field release of natural enemies Opius compensates and Spalangia Philippines Download Pdf

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Citrus Psylla

•Distribution and Status: America, India, Pakistan, Vietnam, Japan, Sri Lanka, Philippines, Indonesia and China •Host range: Citrus, certain deciduous plants and families of rutaceae. Symptoms of damage • Both nymphs and adults suck sap from the plants and injection of toxic saliva •Nymphs – are more destructive, crowd on the terminal shoots, buds and tender leaves •Excrete honeydew- growth of sooty moulds •Affected plant parts dry and die away •It is transmits the “Greening” virus Identification of pest •Nymphs: Are flattened, oval in shape with orange colour •Adult: Minute insect, shiny black with grey dusting on the body, wings are extending beyond the tip of the abdomen Life cycle Management •Collect and destroy the damaged plant parts •Spraying with systemic insecticides at flush growth periods •Spray malathion 0.05% or carbaryl 0.1% •Encourage the activities natural enemies such as Syrphids and Chrysopids Download Pdf

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Mango hoppers

•Desterbution : India, Malaysia, Indonesia, and Formosa. •No alternative host plant Symptoms of damage   •Nymphs and adults suck the sap of inflorescence •Withering •Shedding of flower buds and flowers •Presence of honey dew secrecation on lower leaves and development of sooty mould. •Clicking sound – movement of jassids amidst leaves.   •Hoppers provide shelter in the cracks and crevices of the barks on the tree Identification of pest   • •Nymph – Nymphs pale yellow, very active and hide in lower shoots or in cracks in the barks.  The insect appears in February when mango trees come to flowering. • Adult            a. Idioscopus niveoparsus; Adults: dark with wavy lines on wings and three spots on scutellum.            b. I. clypealis; Adults: small, light brown with dark spots on the vertex and two spots on scutellum.            c. Amirtodus atkinsoni; Adults: large, light brown with two spots on scutellum. Life cycle Management   •Avoid close planting, as the incidence very severe in overcrowded orchards. •Orchards must be kept clean by ploughing and removal of weeds. •Spray two rounds of acephate 75 SP@ 1g/lit or phosalone 35 EC@ 1.5 ml/li OR   •First spray at the time of panicle emergence , second spray two weeks after first spray. •Wettable sulphur @ 2 g/lit may be sprayed after spraying carbaryl to avoid mite resurgence. •The mixture toxaphene with sulphur (1:1) have been reported to be effective against pest. •Neem oil 5 ml/lit of water can be mixed with any insecticides •Spray 3 per cent neem oil or neem seed kernel powder extract 5 per cent Download Pdf

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Citrus caterpillar/ lemon butterfly

•Distribution : Africa, Japan •Hoat plant : citrus & Various other species of the family rutaceae. Identification •Egg : pale or greenish yellow when freshly laid, but later turn brown, becoming dark gary just before hatching. – Female lay eggs : 75 – 120 •Caterpillar : full grown caterpillar is yellowish green, horn – like structure on dorsal side of the last body segment, 40 mm long & 6.5 mm wide. •Adult : Beautiful butterfly, 28 mm length & 94 mm in wing expanse. Head and thorax are black Life cycle Damage •Only the caterpillar cause damage by eating the leaves. Management •Hand picking •Spraying of entomogenous fungus, Bacillus thuriengiensis Berliner, nematod DD -136 strain or neem seed extract (3%) also gives quite high motality of caterpillar. •Spary 1.45 liter of endosulfan 35EC or quinalphos 25EC during April (After fiuit set) & Oct. Download Pdf

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Furit borer /Gram pod borer/Gram caterpillar

•Distribution and status: World wide •It is polyphagous pest •it is serious pest                  chickpea, pigeonpea, pea mungbean, urdbean, lentil, soybean, & cowpea •also been found damaging            cotton, sorghum, okra, maize, tomato, berseem, & sunflower Identification of the pest •Eggs – are spherical in shape and creamy white in colour, laid singly •Larva – shows colour variation from greenish to brown. Green with dark brown grey lines laterally on the body with lateral white lines and also has dark and pale bands. •Pupa – brown in colour, occurs in soil, leaf, pod and crop debris •Adult – light pale brownish yellow stout moth. Fore wing grey to pale brown with V shaped speck.Hind wings are pale smoky white with a broad blackish outer margin. Life cycle •A single female may lay as many as 741 egg in 4 days Symptoms of damage Management •ETL: 10% of affected pods •Pheromone traps for Helicoverpa armigera 12/ha •Bird perches 50/ha •Follow IPM practices as given for cotton Spray Fipronil 5 SC 800-1000 ml or Indoxacarb 14.5 SC 335-400 ml or Methomyl 40 SP 50-1125 g or Novaluron 10 EC 375 ml or Spinosad 45 SC 160 ml or Thiodicarb 75 WP 625-1000 g Download Pdf

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Anar butterfly

•Distribution and status: All over India. •Host range: Aonla, apple, ber, citrus, guava, litchi, loquat, peach, mulberry, pear, sapota, tamarind. •It is polyphagous pest Symptoms of damage •Caterpillar bores into young fruits •Feeds on internal contents (pulp and seeds) •Fruit rotting and dropping Identification of pest   •Larvae – dark brown, short and stout, covered with short hairs •Adult – bluish brown butterfly •Female – V shaped patch on forewing   Life cycle Management   •Collect and destroy damaged fruits •Clean cultivation as weed plants serve as alternate hosts •Endemic areas – grow less susceptible varieties •Adopt ETL (5 eggs/plant) •Cover the fruit with polythene bags when the fruits are up to 5 cm •Use light trap @ 1/ ha to monitor the activity of adults •Insecticides: malathion 50 EC 0.1% or dimethoate 30 EC 0.06%, two rounds, one at flower formation and next at fruit set. •Flowering stage – spray NSKE 5% or neem formulations 2 ml/1 Download Pdf

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woolly aphid

•Distribution and status: Hilly tracts in India and world •Host range: Apple Symptoms of damage •Nymphs and adults suck the juice from bark of the trunk or fruits •Weakening and death of the smaller plants •Infested twigs shrivel and die •Galls on the roots •White, woolly patches on the trunk. Identification of the pest – Purplish aphid covered with white cottony mats Management •Use resistant root stocks M 778, M 779, MM 14, MM 110, MM 112 •Spray dimethoate 30 EC 0.06% or methyl demeton 25 EC 0.025% •Release the parasitoid: Aphelinus mali •Predators: Chilomenus bijugus and Coccinella septumpunctata Download Pdf

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Cabbage sime looper

•Distribution and status: USA, India and Sri Lanka •Host range: Cabbage, tomato and other cruciferous vegetables. Damage symptoms •Caterpillars start scrapping and feeding on the leaves initially and later defoliate entire plant leaving midribs and main veins. •More damage is evidenced in nurseries than in main field. Bionomics •E ggs are greenish white, spherical and sculptured and are laid singly on ventral surface of leaves. Adults are stout moths. •Head and thorax grey in colour, while abdomen is white with basal tuft of hairs. •Pupation takes place in thintransparent cocoons on ventral surface of leaves. •Life cycle occupies on month. Life Cycle Managemant 1. Hand pick and destroy caterpillars 2. Use light trap to attract and kill adults 3. Spray quinolphos 0.5% or endosulfan 0.1 % or malathion 0.1 % Download Pdf

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