Little Mallow

Pest: Little Mallow (Malva parviflora), Cheeseweed

Pest Type: Annual broadleaf weed

Major Identifying Features: Wrinkled fruit, upright growth, can grow bush-like up to 5 feet tall, flowers from March to September,

Life Cycle: Winter annual, reproduces by seed, tough seed coat with long viability

Pest Rating: Moderate

Management Rating: Easy to moderate

Host/Season/Outbreak Information: It is found throughout California to about 4900 feet elevation, inhabits agricultural areas and disturbed sites

Damage Information: Accumulates nitrates to concentrations toxic to cattle and poultry, aesthetic impact, decrease crop yields, can interfere with machinery, can host whiteflies and thrips and plant viruses

Management Options: Mechanical control by pulling young plants, hoeing and cutting, cultural control by planting competitive plants and mulching, chemical control can be done with orzalyin or pendimethalin (not for home owners)



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