Native to North America, sunflowers have been cultivated since pre columbian times for its edible seeds. They are common weeds of roadsides, fence rows, fields, pastures, and waste areas. Flowering is ...

Then they deployed the robot in a cotton field planted with weeds native to Texas, like common sunflower (Helianthus annuus) ...

The robot successfully detected, planned, and executed the flaming action on common weeds like sunflower, ragweed, and smell melon. According to researchers, thermal images confirmed flaming ...

In its favored habitat, patches of common sunflower and certain other forbs, the plains lubber grasshopper behaves as a beneficial insect by providing some measure of biological control of weeds.