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Speedwell has tiny blue flowers and creeps along the ground, which can make it a persistent problem. Hand-pulling or using a selective herbicide can help keep it under control. It’s more of a ...
FarmWise Labs, Inc. (established 2016) is an American agricultural technology and robotics company, based in California.Its first product is an automated mechanical weeder that uses a combination of AI, computer vision and robotics to pull out weeds in vegetable fields without using chemicals.
Tillage is able to control weeds because when the soil is overturned, the vegetative parts of the plants are damaged and the root systems are exposed causing desiccation. [8] Generally, the younger the weed is, the more readily it can be controlled with tillage. [6] To control mature perennial weeds, repeated tillage is necessary.
Other names are blueweed, Lady Campbell weed, Riverina bluebell, and purple viper's bugloss. Three other Echium species have been introduced and are of concern; viper's bugloss (Echium vulgare) is the most common of them. Viper's bugloss is biennial, with a single unbranched flowering stem and smaller, more blue flowers, but is otherwise similar.
Many of the species are invasive weeds; but others are cultivated for their attractive flowers, while some are globally threatened. [ citation needed ] Convolvulus species are used as food plants by the larvae of some Lepidoptera species, including the convolvulus hawk moth , the sweet potato leaf miner ( Bedellia somnulentella ) and the gem ...
Commelina cyanea, commonly known as scurvy weed, is a perennial prostrate herb of the family Commelinaceae native to moist forests and woodlands of eastern Australia, [3] Lord Howe Island and Norfolk Island. The blue flowers appear over the warmer months and are pollinated by bees and flies.
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