Results 121 to 130 of about 2,966 (209)

Canopy Hyperspectral Reflectance of Redroot Pigweed versus Okra and Super Okra Leaf Cotton

open access: yesAgricultural Sciences, 2019
Redroot pigweed (Amaranthus retroflexus L.) is a nuisance weed that affects cotton (Gossypium hirsutum L.) growth and yield worldwide. Being able to distinguish redroot pigweed from cotton would help producers and crop consultants better implement strategies used to suppress and control it. Hyperspectral reflectance properties of weed and crop canopies
openaire   +2 more sources

The Biology of Canadian Weeds. 126. \u3cem\u3eAmaranthus albus\u3c/em\u3e L., \u3cem\u3eA. blitoides\u3c/em\u3e S. Watson and \u3cem\u3eA. blitum\u3c/em\u3e L. [PDF]

open access: yes, 2003
A review of biological information is provided for three species of the genus Amaranthus: A. albus L., A. blitoides S. Watson and A. blitum L. The last species has been revised taxonomically and a new subspecies for Canada is presented—A.
Costea, Mihai, Tardif, François J.
core   +1 more source

Physiological effect of the toxin from Xanthomonas retroflexus on redroot pigweed (Amaranthus retroflexus)

open access: yesAfrican Journal of Biotechnology, 2010
A new toxin from Xanthomonas retroflexus could cause a series of physiological responses on seedlings of redroot pigweed. The experimental results revealed that respiratory ratio first increased 106% after treatment with the CFS (concentrated centrifugal fermentation supernatants) of X.retroflexus for 2 h, and decreased after treatment for 3 h ...
Sun, Z, Li, M, Chen, J, Li, Y
openaire   +1 more source

Subpollen particles: carriers of allergenic proteins and oxidases [PDF]

open access: yes, 2017
Boldogh, István   +4 more
core   +1 more source

Multi-format open-source weed image dataset for real-time weed identification in precision agriculture. [PDF]

open access: yesData Brief, 2023
Rai N   +7 more
europepmc   +1 more source

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