Results 121 to 130 of about 622 (134)
SOURGRASS INTERFERENCE ON SOYBEAN GROWN IN BRAZILIAN CERRADO [PDF]
Revista Caatinga, 2021 ABSTRACT Sourgrass (Digitaria insularis) is one of the main species causing significant losses in Brazilian soybean production systems. Thus, this paper aimed to evaluate sourgrass interference on soybeans grown under Cerrado conditions. Three field experiments were conducted, of which the first two (E1 and E2) simulated sourgrass after pre-sowing ...
Guilherme Braga Pereira Braz +2 more
exaly +4 more sources
Effects of glyphosate and clethodim alone and in mixture in sourgrass (Digitaria insularis)
Crop Protection, 2020 Abstract Glyphosate is used frequently in agriculture, and sourgrass (Digitaria insularis (L.) Mez ex Ekman) has become one of the most problematic weeds in Brazil because of its resistance to this herbicide. One of the alternatives for sourgrass control is the use of graminicide alone or in mixture with glyphosate. Thus, this experiment was aimed at
Leandro Bianchi +2 more
exaly +4 more sources
Allelopathic Potential of Wheat on Sourgrass Resistant to Glyphosate
American Journal of Plant Sciences, 2015 We aimed with this study to assay the allelopathic potential of wheat genotypes in inhibiting germination and initial growth of sourgrass (Digitaria insularis) resistant to the herbicide glyphosate. Two experiments were installed under greenhouse conditions: the first one aimed to assay the potential of wheat genotypes in inhibiting emergence and ...
G Concenço
exaly +3 more sources
INTERVAL BETWEEN SEQUENTIAL HERBICIDE TREATMENTS FOR SOURGRASS MANAGEMENT [PDF]
Revista Caatinga, 2020 ABSTRACT More than one herbicide application is usually necessary to manage glyphosate-resistant sourgrass in advanced stages of development efficiently during off-season fallow periods. The objective of this study was to determine the best interval between two sequential applications to control sourgrass, based on the number of days and tiller-height ...
Rafael R Mendes +2 more
exaly +4 more sources
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Biology of Sourgrass and Its Competition with Buffelgrass and Guineagrass
Weed Science, 1977Establishment and early growth characteristics were defined for sourgrass [Trichachne insularis(L.) Nees], one of the most serious pasture weeds in Hawaii. Optimum germination of sourgrass seeds was obtained in the light at 30 C or with alternating temperatures of 20 and 30 C or 25 and 35 C.
J.Y. Pyon, A.S. Whitney, R.K. Nishimoto
openaire +1 more source
Digitaria insularis (sourgrass).
2021Abstract D. insularis is an aggressive perennial grass causing major weed problems in its native area, especially in Brazil, Paraquay and Bolivia. It was classed as a principal weed in Venezuela by Holm et al. (1979). It is a major weed where introduced to pastures in Hawaii, USA (Kuswata Kartawinata and Mueller-Dombois, 1972); also ...
openaire +1 more source
Germination and initial growth of crops and weeds in response to sourgrass aqueous extracts
2020Abstract: The objective of this study was to evaluate the allelopathy of aqueous sourgrass extracts on germination and initial growth of cultivated plants and weeds. Two factorial experiments (3x2x3) were carried out, being the plant species (Glycine max (L.), Zea mays (L.), Phaseolus vulgaris (L.), Digitaria horizontalis (W.), Echinochloa crus-galli ...
Ibanhes Neto, Helio Fernandes +4 more
openaire +2 more sources
Sourgrass phenological stage and efficacy of glufosinate-ammonium
Weed Control Journal, 2021openaire +1 more source