Results 31 to 40 of about 446,469 (199)

Allelopathy in pigweed (a review) [PDF]

open access: yesCommunications in Plant Sciences, 2011
Amaranthus spp. are plants with proven allelopathic potential. The release of allelochemicals from Amaranthus spp. in the environment can influence seed germination, photosynthesis rate, reduce growth and, consequently, the productivity of various plant ...
Pedro Luis da Costa Aguiar Alves   +3 more
doaj  

Predispersal seed predation of Amaranthus spp. and Chenopodium album (L) [PDF]

open access: yes, 1999
Field studies were conducted during 1997 and 1998 to determine the role of predispersal weed seed predators in corn fields and to investigate the influence of corn row width and planting density on predispersal weed seed predation levels.
Griffiths, Jason Thomas
core   +1 more source

Distribution of glyphosate‐resistant Amaranthus spp. in Nebraska

open access: yesPest Management Science, 2018
AbstractBACKGROUNDPalmer amaranth (Amaranthus palmeri S. Wats.), common waterhemp (Amaranthus tuberculatus var. rudis), and redroot pigweed (Amaranthus retroflexus L.) are major weeds occurring in fields throughout Nebraska with recurrent grower complaints regarding control with glyphosate.
Bruno C Vieira   +5 more
openaire   +3 more sources

Evaluación fenológica de 9 variedades de amaranto (amaranthus spp.), bajo condiciones de temporal en la Meseta Comiteca, Chiapas [PDF]

open access: yes, 2022
The objective of this research is to evaluate the phenological development of 9 varieties of amaranth (Amaranthus spp.) under temporal conditions. The methodology used was an experimental design of random complete blocks with three repetitions.
Godínez Muñoz , José   +4 more
core   +1 more source

Dose-response curve to soil applied herbicides and susceptibility evaluation of different amaranthus species using model identity [PDF]

open access: yesPlanta Daninha, 2015
Greenhouse studies were conducted in 2008-2009 with the objective of adjusting dose-response curves of the main soil-applied herbicides currently used in cotton for the control of Amaranthus viridis, A. hybridus, A. spinosus, A.
M.A. RAIMONDI   +5 more
doaj   +1 more source

Biocontrol of Amaranthus spp. in Europe: state of the art

open access: yesBioControl, 2001
Within European COST Action 816, a 5-year collaboration between scientists from 6 European countries has made an important contribution to the previously unstudied insect fauna associated with Amaranthus spp. in Europe. This provides a basis for future introductions of a non-native biocontrol agent into Europe.
Burki, H-M.   +9 more
openaire   +1 more source

Resistance of Amaranthus Spp. to the Green Peach Aphid (Hemiptera: Aphididae)

open access: yesJournal of Economic Entomology, 2020
AbstractThe green peach aphid [Myzus persicae (Sulzer)] is an important pest of amaranth grown for leaf consumption (i.e., leafy amaranth) in the tropics. Aphids reduce the amount of fresh leaf yield of amaranth and the value of leafy amaranth as aphid-infested leaves are not marketable.
Esther L, Nampeera   +6 more
openaire   +2 more sources

PENGARUH LAMA PENYINARAN DAN WARNA LAMPU LED TERHADAP PERTUMBUHAN DAN HASIL TANAMAN BAYAM (Amaranthus spp.) [PDF]

open access: yes, 2021
Bayam(Amaranthus spp.) merupakan salah satu tanaman sayuran komersil yang sering di budidayakan di indonesia, hal ini karena bayam memiliki nilai jual yang terjangkau, sehingga membuat bayam mudah untuk dipasarkan.
ALFARYKKY, VIVAS
core   +1 more source

Comparative study of amaranth species (Amaranthus spp.) in the temperate continental climate of Russian Federation

open access: yesActa Agriculturae Slovenica, 2020
Field experiments were carried out in the Chuvash Republic, which is located in the center of the European part of Russia on the banks of the Volga River and has a moderately continental climate with warm summers, cold winters, well-defined transitional ...
Oksana DMITRIEVA, Semen IVANOV
doaj   +1 more source

Assessment of the morphological and molecular diversity in Amaranthus spp.

open access: yesAfrican Journal of Agricultural Research, 2013
Genetic diversity and relationships of 15 Amaranthus species were examined by using both morphological traits and random amplification of polymorphic DNA (RAPD) markers. Ten morphological observations were recorded out of which seven were subjected to analysis of variance. Mean squares due to genotypes were highly significant.
Anjali Kumari   +3 more
openaire   +2 more sources

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