Causal Agent:
Abiotic
Characteristic Symptoms: | ||
The characteristic symptom of buggy-whip is the slight or complete fusion of the upper part of the plant into a tight tube that encloses the upper leaves and tassel. The tube develops above the soil line and is composed of thick, heavily lignified tissues that resemble a buggy whip or an onion leaf. | ||
Conditions for Disease Development: | ||
Buggy-whip may be caused by some volatile herbicides e.g. 2,4-D. | ||
Certain hybrids may be affected severely with this disorder particularly under warm growing conditions.
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Management and Control: | ||
Use varieties with good seeds.
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Use herbicides that are less volatile. | ||
Apply herbicide in accordance with label instructions.
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Avoid spraying of herbicide on extremely windy conditions. |
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Avoid pesticide applications when plants are under water stress. | ||
Apply herbicide at proper time, rate and using the right application techniques. | ||
References
Agriculture and Natural Resources Publication, FSA7549. Diseases of Turnip and Mustard Greens
(https://www.uaex.edu/publications/PDF/FSA-7549.pdf)
https://www.agric.wa.gov.au/broccoli/diseases-vegetable-brassicas?page=0%2C1
To view other diseases, click here.
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