The Effects of Intra-row Spacings on the Grain Yield and Some Agronomic Characteristics 
 of Maize (Zea mays L.) Hybrids

Şener, Okan; Gözübenli, Hüseyin; Konuşkan, Ömer; Kılınç, Mehmet Serdar

doi:10.3923/ajps.2004.429.432

Cited by 14 publications

(7 citation statements)

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“…The increases in grain yield when plants were sown at lowest hill spacing (15 cm) may be due to increase in number of rows/ear and number of grains/ear. These results in good agreement with those reported [4,26]. This may be due to more approach uniformity by sown at 15 cm hill spacing.…”

Section: Discussionsupporting

confidence: 92%

“…With respect to the interaction between maize hybrids and row width will present in this respect, [21] described that Hybrid-3025 sown in ridges having a 60 cm row to distance produce more grain yield as compared to Azam variety. Concerning the interaction among maize hybrids and hill spacing, in this respect, [25,26] concluded that maize hybrids react differently to various plant population densities. The interaction between the spaces between the hills and maize hybrids was significant for ear length and grain yield.…”

Section: Introductionmentioning

confidence: 99%

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Maize Hybrids Yield as Affected by Inter and Intra Row Spacing

Kandil¹,

Sharief²,

Abozied³

2017

IJEAB

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Section: Discussionsupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Maize Hybrids Yield as Affected by Inter and Intra Row Spacing

Kandil¹,

Sharief²,

Abozied³

2017

IJEAB

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“…These values coincide with those reported by De la Cruz-Lázaro et al (2009) in a group of tropical corn populations. Likewise, Sener et al (2004) reported important variations for plant height in corn hybrids.…”

Section: Resultsmentioning

confidence: 94%

Seed yield of simple and tri-linear corn (Zea mays L.) hybrids for the mexican humid tropics

et al. 2021

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The objective of the work was to evaluate the agronomic performance and seed yield of tropical corn (Zea mays L.) of single and tri-linear crosses. In the spring-summer of 2015 and 2016, two essays were established in the states of Veracruz and Tabasco, Mexico. In the first essay, a group of 12 single crosses was evaluated, and in the second, a group of 18 tri-linear crosses was evaluated. In both essays, the treatments were distributed under a completely randomized block design with three replicates in 5 m long, two-row plots and 0.8 m between rows, with an initial population density of 62.500 plants ha-1. Within the simple cross trial, hybrids HE-3W, COMERCIAL 1, LT-164xLT-165, and HE-1W presented seed yields above the general mean (3384 kg ha-1). Within this outstanding group is the LT-164xLT-165 cross, which participates as a female parent in the formation of the recently released commercial hybrid H-567. In the tri-linear crosses essay, a group of varieties and hybrids including H-567, (LT-164xLT-165) xLT-156, (LT-164xLT-165) xLT-155, (LT-154xLT-155) xLT-165, VS-536, H-520, VS-563, (LT-154xLT-155) xLT-170, (LT-171xLT-172) xLT-156, (LT-164xLT-165) xLT-164, and (LT-171xLT-172) xLT-170 recorded seed yields of 6669.8, 6515.4, 6498.6, 6431.1, 6260, 6024.7, 5935.4, 5664.3, 5580.8, and 5527.1 kg ha-1, respectively. The LT-154, LT-155, and LT-156 lines are common as a male and female parent, suggesting a good genetic combination. The prevailing environmental conditions during the development of the experiments did not significantly influence the productivity of the crosses. There is genetic variability that can be used to continue developing lines, open pollination varieties, and corn hybrids.

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“…Several factors are important in the crop production process because of their significant impact on yield and its components, including fertilization, sanitary control, planting density, and harvesting, among others (Alemán-Pérez et al, 2020). Many studies have been conducted to determine the optimum plant density for corn; however, there is no single recommendation for all environmental or controlled factors such as soil fertility, hybrid selection, planting date, and planting frame (Sener et al, 2004). According to Rabbani and Safdary (2021), the most important agricultural management methods are hybrid selection, optimum plant density, optimum fertilizer application, appropriate planting date, and irrigation timing; therefore, increasing corn yield requires sufficient information on the simple and interaction effects of these factors on yield, as well as their impact on other plant characteristics.…”

Section: Introductionmentioning

confidence: 99%

“…The lack of agricultural innovations in agronomic management contributes to low productivity, as does the fact that adverse edaphoclimatic conditions in contrasting environments significantly reduce production (Turrent-Fernández et al, 2014). Some studies report that corn responds differently to population density depending on genotype and environmental conditions (Sener et al, 2004). Ruiz et al (2023) conclude that fertilization has a significant impact on yields but not population density.…”

Section: Introductionmentioning

confidence: 99%

Photosynthetic Capacity, Yield Components, and Population Density of a Local Corn Genotype From Ecuadorian Amazonia

Alemán-Pérez,

Bravo-Medina,

Ibarra-Tellez

2024

agro

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Population density is one of the most important agronomic factors in corn (Zea mays L.) for achieving high agricultural yields. In the Ecuadorian Amazon, there are no studies that allow us to determine a population density that is suitable for the edaphoclimatic and cultural conditions of the region. This work was carried out at the Experimental Center for Amazonian Research and Production (CEIPA) of the Amazon State University. The effect of population densities of 31 250, 41 666, and 62 500 plants per hectare of the local variety Tusilla on physiological indicators, yield components, and crop agricultural yield was studied. A randomized block experimental design with three treatments and three replicates was used. The data was tested for normality using Shapiro-Wilks, followed by an analysis of variance and a mean comparison test using Tukey (p ≤ 0.05). Increased population density reduces leaf area and dry matter production per plant while increasing leaf area index and net assimilation rate. Each individual plant showed higher leaf area values at the lowest population density, with averages of 1.18 and 1.56 m2 at 55 and 75 d, respectively, and higher dry matter production in stems and leaves, with 61.15 g plant-1 at 75 d. The highest net assimilation rate was 9.05 g m2 d-1 at the highest population density. At lower population densities, yield components are favored; however, a higher agricultural yield of more than 6405 kg ha-1 is obtained at higher densities due to the greater number of plants per unit area.

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The Effects of Intra-row Spacings on the Grain Yield and Some Agronomic Characteristics of Maize (Zea mays L.) Hybrids

Cited by 14 publications

References 10 publications

Maize Hybrids Yield as Affected by Inter and Intra Row Spacing

Maize Hybrids Yield as Affected by Inter and Intra Row Spacing

Seed yield of simple and tri-linear corn (Zea mays L.) hybrids for the mexican humid tropics

Photosynthetic Capacity, Yield Components, and Population Density of a Local Corn Genotype From Ecuadorian Amazonia

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