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Foliage pests of mulberry
- 1. FOLIAGE PESTS OF MULBERRY BY V.KALAISELVAN 2013004030.
- 2. Commonly 2 types of insects affects the foliage of mulberry plant. sucking pest leaf folders
- 3. Sucking pests Mealy bug- maconellicoccus hirsutus Female is pinkcolour and covered with wax Females –wingless male-wing short period of life 350-500 eggs. Hatch week in a time. Orange colour.egg period -5-10 days Adult secrets honey attracts sooty mould and ant. Nature of damage: It sucks the sap from shoot tip Leaf yield and plant height reduced Symptoms: Dark green crinkle leaves.flattering of apical shoot.TUKRA disease Management: Burn the infected shoots Spray DDVP 76wsc 2ml/lit Release predator cryptolacemus 100 beetels/ha
- 4. leaf hopper- empoasca flavescens Female lay pale yellow colour eggs Hatch in 10 days Sucks the under surface of leaf Nature of damage: Nutritive value of leaf is reduced Symptoms: Hopper burn Triangular dark brown spots at tip of the leaves Management:apply ddvp 76 wsc 2ml/lit
- 5. Female lays 200 eggs. oval and yellow in colour. female fix leaf surface.male can fly. eggs hatch in 7 days. male life span is 1 day. NATURE OF DAMAGE: desap the stem and shoots. So it dry up from the tip. SYMPTOMS: yellowish mottled appearance of leaf. MANAGEMENT: dislodge the scales by scrapping with ablunt edge wooden plate. Swap the stem with diesel oil and soap mixture(3:1). spray malathion 50 EC 1ml/lit. • Black scale-saissetia nigra Red scale-aonidiella aurantii
- 6. spiralling whitefly-aleurodicus disperses Female lays pedicellate eggs and covered by wax. EP-4-6 DAYS. NP-12-14 days. 3rd and 4th stage instar secrete adundant of wax. Nature of damage: They attack surface of leaf. Nutritive value reduced. Symptoms: Yeloow speckling on leaves,crinckling and curling of leaves. Sooty mould growth on leaves. Management: Collect and burn leaves Set light trap Spray fish oil resin soap@40g/lit
- 7. Leaf folders Tobacco caterpillar-spodoptera litura Adult moths are greyish brown with white markings on the forewings hind wings have brown border. Early instar gregarious and scrab green matter.later solitary and nocturnal in habit. LP-2-3 weeks.PP-13-15 days. Nature of damage:larvae cut the stem of young plants and feed on leaves. Symptoms: The cut portion of the shoot dries and fall down. Chlorophyll scrapping and defoliation in older leaves. Management: Light and pheromone trap Deep ploughing t expose the pipae. Spray dichlorovos 2ml/lit
- 8. moringa hairy caterpillar- eupterote mollifera Adults yellow incolour dark band running margin of leaf Eggs laid in mass Eggs round .sulphur yellow colour. EP-9-13 days LP-50-60 DAYS PUPATION TAKES PLACE IN SOIL
- 9. Ash weevil- myllocerus spp Grey weevils lay egg in soil. Grubs feed on rootlets. The adult notch the leaf margins Nature of damage: Notch on leaf edges. Wilted plants. Management: Hand picking the adults and kill them. Sprau DDVP 2ml/lit Digging 7-8 cm and destroy young stages.
- 10. leaf webber- glypodes pulveruntalis Green colour larvae cause damage by folding the leaves and webbing the tender shoots. Apical tips preferred for feeding,and result in stunting. Quality of leaf and yield is affected. Symptoms: Webbing at shoot tips Management: Clip and destroy the webs at shoot tips. Set light trap. Spray DDVP @2ml/lit.