Results 31 to 40 of about 823,232 (162)
Ciência e Agrotecnologia, 2004 Estudaram-se alguns aspectos biológicos de adultos de Chrysoperla externa (Hagen) oriundos de larvas alimentadas com ninfas da mosca-branca Bemisia tabaci (Gennadius) biótipo B, criadas em folhas de pepino (Cucumis sativus) var.
Cláudio Gonçalves Silva +4 more
doaj +1 more source
Historical Poinsettia Display [PDF]
, 2015 The poinsettia has undergone a remarkable transformation since the day some 800 years ago when the Aztecs plucked it from the wilds of Mexico to decorate their courtyards and medicate the infirm.
Mason Smith, Maggie
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Planta Daninha, 2009 Três experimentos foram realizados para verificar se o local de aplicação de fomesafen, folhas ou solo, afeta a eficácia desse herbicida em biótipos de E.
M.M. Trezzi +5 more
doaj +1 more source
Euphorbia mayfieldii, a new species of section Poinsettia from Bolivia [PDF]
, 2012 Euphorbia section Poinsettia contains approximately 25 species native to the Americas. This taxon is sometimes treated as an independent genus or as a subgenus of Euphorbia, but it is currently placed within the recently recircumscribed subgenus ...
Victor Werner Steinmann
core
Interference of Wild Poinsettia (Euphorbia heterophylla) with Soybean (Glycine max)
, 1994 Field-studies were conducted over two years to determine the area of influence and duration of interference of wild poinsettia in soybean. Soybean canopy width averaged across years was reduced approximately 10% beginning at 6 wk of interference for both
Arnold M. Saxton +3 more
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Planta Daninha, 2002 O amendoim-bravo, (Euphorbia heterophylla) é uma importante planta daninha em mais de 56 países, inclusive no Brasil, onde tem sido relatado o aparecimento de populações resistentes aos herbicidas inibidores da acetolactato sintase (ALS).
M.F. Oliveira +7 more
doaj +1 more source
Engineering Reports, Volume 8, Issue 3, March 2026.The graphical abstract illustrates a flower classification model relying on the human visual system. The model captures images, simulates visual attention and photometric perception, extracts features of shape and color, and classifies flowers by using an optimized neural network that enhances recognition accuracy by mimicking the human eye's focusing ...
Arpan Singh +2 more
wiley +1 more source
Growth Response of Wild Poinsettia (Euphorbia heterophylla) Following Foliar Herbicide Applications
, 1993 Greenhouse and field studies were conducted to characterize wild poinsettia growth response to imazaquin (140 g ai ha−1), fomesafen and acifluorfen (420 g ai ha−1), and chlorimuron (9 g ai ha−1) applied at 5 to 7 cm (POST1), 8 to 10 cm (POST2), and 15 to
James L. Griffin, Teresa S. Willard
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Free proline accumulation in leaves of cultivated plant species under water deficit conditions
Acta Agrobotanica, 2013 The effect of water deficit caused by soil drought on the content of free proline as well as the degree of cell membrane damages in the leaves of three cultivated plant species having different farm usefulness and water requirements have been studied ...
Hanna Bandurska
doaj +1 more source
Weed Research, Volume 66, Issue 1, January/February 2026.ABSTRACT High weed infestation remains a major constraint on crop productivity for smallholder farmers practising Conservation Agriculture (CA). Fewer, more diverse weeds are desirable to reduce competition and provide ecosystem services. Crop diversification can help, but it is not yet clear which species combinations and layouts are most effective ...
Betty Rutendo Masamba +4 more
wiley +1 more source