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Catalogue: GRDC Media
Imagery obtained from cameras mounted on unmanned aerial vehicles (UAVs) could help growers and consultants to identify crop areas deficient in nutrients and at increased risk of attack from insects... The images could enable growers to inspect these areas at ground level to confirm nutrient deficiencies and detect insects, resulting in early, targeted and cost-effective treatment of crops... Mr Severtson said that while most growers were not currently using UAVs over their crops, there was a widespread view in agriculture that they were part of the way of the future...
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Catalogue: Broadacre Field Crops DAFF QLD
" Print the page mages shows adult greenhouse whiteflies with white powdery wings and the pale yellow green scale-like nymphs... Greenhouse whitefly adults are larger than Bemisia tabaci (silverleaf whitefly) and have overlapping wings which obscure the body when viewed from the top... Adults and nymphs suck on sap and excrete honeydew which interferes with photosynthesis and discolours the lint in cotton...
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Catalogue: Broadacre Field Crops DAFF QLD
" Print the page mages shows adult greenhouse whiteflies with white powdery wings and the pale yellow green scale-like nymphs... Greenhouse whitefly adults are larger than Bemisia tabaci (silverleaf whitefly) and have overlapping wings which obscure the body when viewed from the top... Adults and nymphs suck on sap and excrete honeydew which interferes with photosynthesis and discolours the lint in cotton...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
" Print the page mages shows adult greenhouse whiteflies with white powdery wings and the pale yellow green scale-like nymphs... Greenhouse whitefly adults are larger than Bemisia tabaci (silverleaf whitefly) and have overlapping wings which obscure the body when viewed from the top... Adults and nymphs suck on sap and excrete honeydew which interferes with photosynthesis and discolours the lint in cotton...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
Bluegreen aphid, Acyrthosiphon kondoi, showing heavy aphid infestation.. Bluegreen aphid, Acyrthosiphon kondoi, showing misshapen and distorted lucerne leaves.. In eastern Australia, aphids appear to have declined in pest status since the introduction to Australia of bluegreen aphid (BGA) and spotted alfalfa aphid (SAA) in the 1970s when they caused widespread damage...
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Catalogue: Broadacre Field Crops DAFF QLD
Bluegreen aphid, Acyrthosiphon kondoi, showing heavy aphid infestation.. Bluegreen aphid, Acyrthosiphon kondoi, showing misshapen and distorted lucerne leaves.. In eastern Australia, aphids appear to have declined in pest status since the introduction to Australia of bluegreen aphid (BGA) and spotted alfalfa aphid (SAA) in the 1970s when they caused widespread damage...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
" Print the page green stink bug egg raft, eggs are olive green green stink bug egg raft, eggs are olive green green stink bug nymph, mossy green with dark markings on the back green stink bug nymph, mossy green with dark markings on the back green stink bug adult, green shield-shaped body with brown wing covers green stink bug adult, green shield-shaped body with brown wing covers.. Green stink bugs typically invade summer legumes at flowering and commence feeding and egg laying... Cultural control for podsucking bugs on summer pulses: Where possible avoid sequential plantings of summer legumes, and avoid cultivar and planting time combinations that are more likely to lengthen the duration of flowering and podding...
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Catalogue: Broadacre Field Crops DAFF QLD
" Print the page green stink bug egg raft, eggs are olive green green stink bug egg raft, eggs are olive green green stink bug nymph, mossy green with dark markings on the back green stink bug nymph, mossy green with dark markings on the back green stink bug adult, green shield-shaped body with brown wing covers green stink bug adult, green shield-shaped body with brown wing covers.. Green stink bugs typically invade summer legumes at flowering and commence feeding and egg laying... Cultural control for podsucking bugs on summer pulses: Where possible avoid sequential plantings of summer legumes, and avoid cultivar and planting time combinations that are more likely to lengthen the duration of flowering and podding...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
" Print the page green stink bug egg raft, eggs are olive green green stink bug egg raft, eggs are olive green green stink bug nymph, mossy green with dark markings on the back green stink bug nymph, mossy green with dark markings on the back green stink bug adult, green shield-shaped body with brown wing covers green stink bug adult, green shield-shaped body with brown wing covers.. Green stink bugs typically invade summer legumes at flowering and commence feeding and egg laying... Cultural control for podsucking bugs on summer pulses: Where possible avoid sequential plantings of summer legumes, and avoid cultivar and planting time combinations that are more likely to lengthen the duration of flowering and podding...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
Spotted alfalfa aphid, Therioaphis trifolii, adults, showing leaf damage, yellowing or whitening of the leaf veins.. In eastern Australia, aphids appear to have declined in pest status since the introduction to Australia of bluegreen aphid (BGA) and spotted alfalfa aphid (SAA) in the 1970s when they caused widespread damage... Initial symptoms are yellowing or whitening of the leaf veins...
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