Competition for Nutrients between Cold-Tolerant Maize and Weeds

Lehoczky, Éva; Márton, Lénárd; Nagy, Péter Tamás

doi:10.1080/00103624.2013.744156

Cited by 14 publications

(15 citation statements)

References 9 publications

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“…In our study, the highest biomass of common lambsquarters and barnyardgrass was observed in N2 plots as compared to the N1 and the control plots (Table 3). This finding is in full accordance with the fact that these weeds are considered to be nitrophilous and able to absorb N in high amount (Lehoczky et al 2013b) and confirms that N fertilization strongly influences weed competitiveness.…”

Section: Resultssupporting

confidence: 87%

Weed flora and seed yield in quinoa crop (Chenopodium quinoaWilld.) as affected by tillage systems and fertilization practices

Kakabouki

Karkanis

Travlos

et al. 2015

International Journal of Pest Management

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Publication details, including instructions for authors and subscription information: http://www.tandfonline.com/loi/ttpm20 Weed flora and seed yield in quinoa crop (Chenopodium quinoa Willd.) as affected by tillage systems and fertilization practices Weed flora and seed yield in quinoa crop (Chenopodium quinoa Willd.) as affected by tillage systems and fertilization practicesThe effects of tillage system and fertilization regimes on weed flora in quinoa (Chenopodium quinoa Willd.) were evaluated by means of two field experiments in 2011 and 2012. The experiments were laid out in a split-plot design with two main plots (conventional and minimum tillage) and four sub-plots (fertilization regimes). The results indicated that weed biomass and density in quinoa were influenced by the different fertilization and tillage treatments. Moreover, seed yield in conventional was 5%À13% higher than that of minimum tillage, probably due to the lower weed density and biomass. Concerning fertilization treatments, total weed density and biomass increased under manure application and inorganic fertilization. Tillage effects on weeds were species specific. The density of perennial weeds such as purple nutsedge (Cyperus rotundus L.) and the density of small-seeded weeds such as redroot pigweed (Amaranthus retroflexus L.) and common purslane (Portulaca oleracea L.) were significantly lower under the conventional tillage than under the minimum tillage system.

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Section: Resultssupporting

confidence: 87%

Weed flora and seed yield in quinoa crop (Chenopodium quinoaWilld.) as affected by tillage systems and fertilization practices

Kakabouki

Karkanis

Travlos

et al. 2015

International Journal of Pest Management

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“…The presence of high nutrient concentrations in weed tissues made them useful for animal nutrition (Kalita et al 2007;Gutiérrez et al 2008). Weeds compete with maize for nutrients, especially N (Lambert & Arnason 1986;Lehoczky et al 2013). Competition for nutrients may even occur between different weeds, which can determine the composition of the weed community (Tilman et al 1999).…”

Section: Introductionmentioning

confidence: 99%

Metal micronutrients relationships in crop, soil, and common weeds of two maize (Zea maysL.) fields

Ghasemi-Fasaei

Mansoorpoor

2015

Archives of Agronomy and Soil Science

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Deficiencies of metal micronutrients are common in some calcareous soils. Samples of aerial parts of maize and five common weeds and also soil beneath these plants were collected and analyzed to investigate the status and relationships of metal micronutrients in soil, crop, and common weeds of maize field trials at two sites. Results showed that Fe concentration in five studied weeds was higher than that of maize; the highest Fe concentration was found in Convolvolus arvensis and Echinochloa crusgalli (first site) and in Convolvolus arvensis tissues (second site). At both sites, the highest Mn concentration was observed in aboveground parts of Echinochloa crusgalli. The concentration of Mn (both sites) and Fe and Cu (second site) were remarkably higher in Echinochloa crus-galli tissues in comparison with maize. Also the concentrations of Fe (both sites) and Cu (second site) were considerably higher in Convolvolus arvensis tissues in comparison with maize. Available Fe was the highest in the soil beneath Convolvolus arvensis and Portulaca oleracea (first site) and beneath Convolvolus arvensis and Cenopodium album (second site). The high value of available Fe in the soil beneath Convolvolus arvensis may explain why Fe concentration was the highest in aerial parts of this weed species.

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“…Weeds among other factors could significantly reduce maize yield (Abouziena et al, 2015). According to Lehoczky et al (2013), in early developmental stages, weeding competition could reduce maize biomass up to 64%. Maize yield is also influenced by water and nutrient supply (Berzsenyi et al, 2011;Várallyay, 2011).…”

Section: Introductionmentioning

confidence: 99%

Weediness and grain yield of specialty maize hybrids cultivated with the application of ecological fertilisers

Simić¹,

Dragičević²,

Brankov³

et al. 2018

Selekcija i semenarstvo

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Maize hybrids (Zea mays L.) with specific traits, such as those with red pericarp, high-protein flints or white kernel hybrids, have increased utility value as they contain some vitamins and minerals beneficial to human and animal nutrition. Furthermore, their cultivation with the application of specific fertilisers could further increase the grain quality through increased participation of macro-and micro-elements that are lacking in the diet. Agronomic biofortification encompasses the application of different production technology that enables better absorption and effective accumulation of essential elements such as iron, zinc, manganese, copper in the edible parts of cultivated plants. On the other hand, fertilisation influences the weed infestation levels and especially the presence of nitrophilic weed species in maize crop. The fertiliser application changes the balance in competition between crops and weeds, not only for nutrients but also for other resources. The effects of different fertilisers were compared within developmental research in the field of ecological agriculture to point up the advantages of microbiological and organic fertilisers, since these fertilisers can contribute to higher yields, but unlike mineral fertilisers, they positively affect the soil and agro-ecosystem. The studies were carried out to determine to what extent agronomic biofortification contributed to the increase of yielding potential and grain quality of maize genotypes with specific traits, as well as how it affected the occurrence and distribution of weeds. The red kernel maize hybrid ZP5048C, high-protein flint maize hybrid ZP737 and white kernel maize hybrid ZP552b, were grown in variants with mineral fertiliser urea, microbiological fertiliser Team Micorriza Plus and organic fertiliser Fertor, that contained essential elements necessary for the nutrition of cultivated plants. No fertiliser was applied to the control treatment. The fertilisation mainly contributed to the increase of weed mass in comparison with the non-fertilised control variant in extremely dry 2017. The highest weed mass was recorded in the hybrid ZP737 in the variant with organic fertiliser, while the lowest weed mass was recorded in all hybrids when microbiological fertiliser had been applied. The highest, i.e. lowest grain yield was recorded in the hybrid ZP5048C (5.83 t ha-1), i.e. ZP737 (3.36 t ha-1), respectively. The protein content was increased at the highest extent in the kernel of ZP737 hybrid after the application of urea, while oil and starch contents were the highest in the grain of white kernel hybrid ZP552b treated with microbiological fertiliser. Due to the specificities and importance of meteorological conditions, the studies will be continued during the next few seasons.

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Competition for Nutrients between Cold-Tolerant Maize and Weeds

Cited by 14 publications

References 9 publications

Weed flora and seed yield in quinoa crop (Chenopodium quinoaWilld.) as affected by tillage systems and fertilization practices

Weed flora and seed yield in quinoa crop (Chenopodium quinoaWilld.) as affected by tillage systems and fertilization practices

Metal micronutrients relationships in crop, soil, and common weeds of two maize (Zea maysL.) fields

Weediness and grain yield of specialty maize hybrids cultivated with the application of ecological fertilisers

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