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cotton plant

Catalogue: Broadacre Field Crops DAFF QLD
Photograph of Cotton aphids showing variations in colour - some yellow and some black.. Image showing leaf distortion damage caused by cotton aphids.. The cotton aphid may be troublesome during the seedling stage when its feeding may result in plants being stunted...
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Catalogue: Broadacre Field Crops DAFF QLD
Insect pests that feed on plant structures that directly produce yield, such as growing tips and fruiting structures, are generally the greatest problem in a cotton crop... The cotton plant has an indeterminate growing pattern (fruit are present for most of the season), which allows some pests to develop through several generations... In cotton, all stages of plant growth may be attacked but reproductive tissue is preferred...
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Catalogue: Broadacre Field Crops DAFF QLD
Insect pests that feed on plant structures that directly produce yield, such as growing tips and fruiting structures, are generally the greatest problem in a cotton crop... The cotton plant has an indeterminate growing pattern (fruit are present for most of the season), which allows some pests to develop through several generations... In cotton, all stages of plant growth may be attacked but reproductive tissue is preferred...
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Catalogue: Broadacre Field Crops DAFF QLD
Insect pests that feed on plant structures that directly produce yield, such as growing tips and fruiting structures, are generally the greatest problem in a cotton crop... The cotton plant has an indeterminate growing pattern (fruit are present for most of the season), which allows some pests to develop through several generations... In cotton, all stages of plant growth may be attacked but reproductive tissue is preferred...
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Catalogue: Broadacre Field Crops DAFF QLD
Ascovirus-infected larvae are small, pale and can look as though they have been grazing in one place, leaving small 'windows' in the leaf State of Queensland.. Some predators found commonly in crops will not feed on helicoverpa at all and some may only feed on certain stages (for example, larvae of a particular size, or only eggs)... Natural enemies will rarely eradicate all eggs or larvae, but may reduce infestations to below economic threshold if predators and parasitoids are not disrupted by broad-spectrum insecticides...
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Catalogue: Broadacre Field Crops DAFF QLD
Ascovirus-infected larvae are small, pale and can look as though they have been grazing in one place, leaving small 'windows' in the leaf State of Queensland.. Some predators found commonly in crops will not feed on helicoverpa at all and some may only feed on certain stages (for example, larvae of a particular size, or only eggs)... Natural enemies will rarely eradicate all eggs or larvae, but may reduce infestations to below economic threshold if predators and parasitoids are not disrupted by broad-spectrum insecticides...
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Catalogue: Broadacre Field Crops DAFF QLD
A photo of Fusarium wilt near a main drain, first observed as dead plants in the field.. Weeds should be controlled in fallows and in-crop... Hygiene measures include: ensuring machinery and vehicles are free of mud or crop debris keeping irrigation tailwater and runoff water on-farm controlling weeds using a crop-rotation strategy maintaining good soil nutrition levels mulching infected cotton stubble and leaving it on the soil surface a month before incorporating...
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Catalogue: Broadacre Field Crops DAFF QLD
A photo of Fusarium wilt near a main drain, first observed as dead plants in the field.. Weeds should be controlled in fallows and in-crop... Hygiene measures include: ensuring machinery and vehicles are free of mud or crop debris keeping irrigation tailwater and runoff water on-farm controlling weeds using a crop-rotation strategy maintaining good soil nutrition levels mulching infected cotton stubble and leaving it on the soil surface a month before incorporating...
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Catalogue: Broadacre Field Crops DAFF QLD
A photo of Fusarium wilt near a main drain, first observed as dead plants in the field.. Weeds should be controlled in fallows and in-crop... Hygiene measures include: ensuring machinery and vehicles are free of mud or crop debris keeping irrigation tailwater and runoff water on-farm controlling weeds using a crop-rotation strategy maintaining good soil nutrition levels mulching infected cotton stubble and leaving it on the soil surface a month before incorporating...
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Catalogue: Broadacre Field Crops DAFF QLD
There are a number of different strains of Bt, and each is specific to an insect group, e.g. moths, beetles or flies... Bt causes larvae to stop feeding soon after the Bt is eaten... Bt is often mixed with additives such as stickers or feeding attractants to increase its efficacy...
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