You are here

monitoring

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...
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...
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...
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...
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...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
Lucerne seed wasp, Bruchophagus roddi, adult wasp showing clear, rounded wings.. The removal of volunteer lucerne from roadsides, headlands and irrigation banks, cutting adjacent non-seed crops for hay and removal of hay before the seed matures may reduce reservoirs of the wasp... Reduce winter carry over of the wasp by harvesting before pods begin to shatter and by cleaning harvested seed and burning all seed cleanings or seed fumigation...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
Lucerne seed wasp, Bruchophagus roddi, adult wasp showing clear, rounded wings.. The removal of volunteer lucerne from roadsides, headlands and irrigation banks, cutting adjacent non-seed crops for hay and removal of hay before the seed matures may reduce reservoirs of the wasp... Reduce winter carry over of the wasp by harvesting before pods begin to shatter and by cleaning harvested seed and burning all seed cleanings or seed fumigation...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
Lucerne seed wasp, Bruchophagus roddi, adult wasp showing clear, rounded wings.. The removal of volunteer lucerne from roadsides, headlands and irrigation banks, cutting adjacent non-seed crops for hay and removal of hay before the seed matures may reduce reservoirs of the wasp... Reduce winter carry over of the wasp by harvesting before pods begin to shatter and by cleaning harvested seed and burning all seed cleanings or seed fumigation...
Related categories:

Pages