Abstract
This research was carried out to investigate the influences of temperature and light on the herbicidal activity of oxyfluorfen, oxadiazon and paraquat. Increased temperature from 10 to resulted in increase of herbicidal activity in whole plants or leaf discs treated with herbicides. It seemed that temperature affected herbicide penetration into and reaction to the action site rather than appearance process of herbicidal activity (maybe membrane peroxidation after being absorbed. The activity of compounds tested increased with increased light intensity. Paraquat showed similar activities regardless of light qualities but oxyfluorfen and oxadiazon showed the highest activities in blue light spectrum, indicating that they seemed to be closely related to chlorophyll biosynthesis rather than carotenoid biosynthesis or electron transport systems of photosynthesis and respiration.
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Claims 4
Claim · model-written summary
Higher temperature increased herbicidal activity in treated whole plants or leaf discs.
Not reportedTaxonComparator
Verbatim
e0“Increased temperature from 10 to resulted in increase of herbicidal activity in whole plants or leaf discs treated with herbicides”
Claim · model-written summary
Higher light intensity increased activity of the tested herbicides.
Not reportedTaxonComparator
Verbatim
e0“The activity of compounds tested increased with increased light intensity”
Claim · model-written summary
Paraquat activity was similar across light qualities.
Not reportedTaxonComparatorDirection
Verbatim
e0“Paraquat showed similar activities regardless of light qualities”
Claim · model-written summary
Oxyfluorfen and oxadiazon showed highest activity in blue light.
Not reportedTaxonComparator
Verbatim
e0“oxyfluorfen and oxadiazon showed the highest activities in blue light spectrum”