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Download Pests of Field Crops and Pastures: Identification and by PT Bailey PDF

By PT Bailey

This accomplished instruction manual on financial entomology for Australian box plants and pastures is the 1st of its sort. It encompasses pests and worthy bugs in addition to allied different types of value in Australian agriculture. Organised by means of commodities equivalent to cereals, sugar and tropical pasture legumes it examines the entire pest species for a selected commodity throughout Australia. identity, distribution, harm, host diversity, biology, possibility interval and tracking innovations are defined for every access, observed via invaluable illustrations. The booklet additionally describes brought organic regulate brokers that successfully regulate crop pests. Pests of box plants and Pastures should be a great tool in crop administration for revolutionary farmers, agronomists, agricultural experts and teachers alike.

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Additional resources for Pests of Field Crops and Pastures: Identification and Control

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Chemical control: Pyrethroid insecticides provide effective control. Cultural control: None available. Host-plant resistance: No resistant cultivars. Natural enemies: No natural enemies recorded. , Vic. and WA. Pest status: Minor, restricted, irregular. Identification: A hairy caterpillar that can grow to 50 mm in length (Fig. 30). The male moth is fawn with feathered antennae and a wingspan of about 40 mm. May be confused with: Unlikely to be confused with other caterpillars damaging cereals. Host range: A grass-feeding insect that will damage all cereals.

Risk period: All year. 42 030701•Pests of Field Crops and 42 42 29/6/07 17:20:32 CEREALS Damage: On cereal grain, it attacks the germ and consumes it completely, reducing both germination and nutritive quality. Heavy infestations of this mite emit a ‘minty’ odour and a brownish ‘mite dust’ may appear on open shelving, around the base of flour sacks, on the surface of cheese or in other foods. Such piles consist of dead and living mites, cast skins and faeces. Action level: As required. Chemical control: Fumigation in sealed storage.

In late winter) of cereals. Pest status: Minor, restricted, irregular. 8 mm in diameter, flattened with radiating ridges (Fig. 24). Larvae are black, green–brown or grey without distinct hairs or markings and have a greasy appearance (Fig. 24). Body is faintly striped or without stripes. Larvae grow up to 40 mm long. Adults are often observed in houses and buildings in late spring and early summer seeking shelter. Moths have a dark brown or grey–black forewing with black or grey markings near the centre (Fig.

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