Measurement and Maintenance of Corn Quality

Paulsen, Marvin R; Singh, Mukti

doi:10.1016/b978-0-12-811971-6.00007-3

Cited by 27 publications

(26 citation statements)

References 87 publications

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“…These values were similar to values of 72 US maize hybrids (in average 76±2 kg/hL) from multiple locations (Harlesson et al, 2019) and 32 hybrids (76.7±2.44 kg/hL) from one breeding company across five years (Grbeša, 2016). Test weights of majority hybrids tested in the present study were well above the minimum for US Grade No 1 (72.08 kg/hL; Paulsen et al, 2003).…”

Section: And 4)mentioning

confidence: 48%

“…The same finding reported Blandino et al (2010;r=0.48, P<0.01). This positive correlation is a result of smaller and more rounded kernels in hybrids of higher grain hardness (Paulsen et al, 2003) which implies that kernel height of commercial maize hybrids could be used as an indirect measure for hardness.…”

Section: Correlations Among Physical Traits Of Tested Hybridsmentioning

confidence: 99%

“…The obtained values are similar to other studies; for example, the average height, width, and thickness of samples in the study by Blandino et al (2010) were 13.3 (12.4-14.1), 8.9 (7.5-9.6) and 4.2 mm (4.0-5.2), respectively. Smaller and more rounded grains usually belong to hybrids of higher grain hardness (Paulsen et al, 2003), so dimensions in this way may indirectly indicate nutritional value. The same relationship was found for the kernel sphericity - Blandino et al (2010) found a significant positive correlation with Stenvert grinding time and the coarse-to-fine particles in a freshly ground sample.…”

Section: And 4)mentioning

confidence: 99%

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Physical properties of kernels from modern maize hybrids used in Croatia

Kljak¹,

Novaković²,

Zurak³

et al. 2020

JCEA

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The physical properties of maize are a result of kernel structure, they indicate chemical properties of the kernel, and hence, its nutritive value. This research aimed to explore the physical traits of kernels of 80 commercial maize hybrids from nine seed companies. The grain from investigated hybrids was produced during the same season on the same field under the same agricultural conditions. Moisture content, bulk and real density, Stenvert hardness (time to grind 17mL of grits, height of freshly ground grain, and coarse-to-fine particles ratio, C/F), flotation index, breakage susceptibility, kernel dimensions, and sphericity were determined in maize samples. Test weight was in a range from 70.2 to 82.1 kg/hL. Density ranged from 1.159 to 1.301 kg/L and similarly as test weight increased with increasing hardness (C/F; r=0.52 and 0.68, respectively; P<0.001); a trait that is related to breakage and insect resistance, and to decreased starch digestibility. Flotation index was from 8 to 100%, and its value decreased with increasing hardness (r=-0.65; P<0.001). A wide range of values in physical traits of investigated hybrids implies different behavior of grain during postharvest handling and processing and thus variable nutritive value.

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Section: And 4)mentioning

confidence: 48%

Section: Correlations Among Physical Traits Of Tested Hybridsmentioning

confidence: 99%

Section: And 4)mentioning

confidence: 99%

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Physical properties of kernels from modern maize hybrids used in Croatia

Kljak¹,

Novaković²,

Zurak³

et al. 2020

JCEA

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“…In our earlier studies (Babic et al, 2018), despite the lower grain yield, OPV Osmak had a protein yield per hectare above that of the ZP300b hybrid (FAO 300). Dry millers and snack food processors prefer hard-endosperm maize that results in higher flaking grit yield and more predictable cooking times (Paulsen et al, 2019).…”

Section: Pca For Bioactive Compoundsmentioning

confidence: 99%

Differences in nutritive and bioactive compounds content between hybrid and open-pollinated maize varieties

Babić¹,

Kravić²,

Vančetović³

et al. 2020

Food & Feed Res

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The contemporary trends in maize breeding are directed at identification of genotypes with improved grain quality for human consumption, industrial processing, and their incorporation into breeding programmes. In this study, three maize hybrids and three open-pollinated varieties (OPVs), differing in grain colour and type, were used to examine the differences in the total carotenoid content, the phenolic compounds profile and total antioxidant capacity (TAC). In addition, physical parameters, basic chemical composition, as well as the content of protein fractions in grain, were analysed. The multivariate approach through Principal Component Analysis (PCA) application contributed to better understanding of the complexity of the interdependence for maize grain quality parameters tested. From the aspect of different end use, better technological quality desirable for dry milling and snack food processing found in OPVs Osmak and Bosanac, as well as high content of bioactive compounds (i.e. TAC) exhibited by OPV Rumenka, make these genotypes superior compared to hybrids' varieties evaluated.

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“…Dry milling performance of maize is directly associated with kernel hardness, which can be expressed as its mechanical resistance to milling (Wu, 1992; Holding and Larkins, 2006). Kernel hardness also influences several kernel nutritive properties, grinding power requirements, and dust formation (Paulsen et al, 2003). Kernel coarse‐to‐fine ratio is an excellent indicator of maize kernel hardness (Robutti et al, 2000; Fox and Manley, 2009; Blandino et al, 2013).…”

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confidence: 99%

Environment, Management, and Genetic Contributions to Maize Kernel Hardness and Grain Yield

et al. 2017

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Dry milling performance of maize (Zea mays L.) is directly related to kernel hardness. This study assessed the contribution of maize hybrid and crop growing condition on kernel hardness and grain yield. Three hybrids that fully explore the available genetic variability for kernel hardness were planted at different environments across the Argentinean cropping area. At each environment, early and late planting dates and supplemental fertilization were evaluated. Kernel coarse‐to‐fine ratio was used as an indicator of kernel hardness. Coarse‐to‐fine ratio ranged from 2.0 to 7.0 g g−1, grain yield ranged from 494 to 1391 g m−2, and both were affected by hybrid and growing conditions. Hybrid ranking was stable across growing conditions; however, differences among hybrids in kernel coarse‐to‐fine ratio and grain yield increased when growing condition favored kernel hardness and grain yield. Growing condition explained >60% of total variability in coarse‐to‐fine ratio and grain yield. Fertilization management had significant but small influence on assessed variables. In contrast, the interaction between planting date and environment was the major determinant of kernel coarse‐to‐fine ratio and grain yield. Delayed planting consistently reduced kernel hardness at high‐latitude locations. Potential photosynthetic source during maize reproductive period explained 37% of the variation in kernel coarse‐to‐fine ratio. Environment and agronomic management should be considered together with the hybrid in the design of maize production strategies oriented to end‐use quality.

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Measurement and Maintenance of Corn Quality

Cited by 27 publications

References 87 publications

Physical properties of kernels from modern maize hybrids used in Croatia

Physical properties of kernels from modern maize hybrids used in Croatia

Differences in nutritive and bioactive compounds content between hybrid and open-pollinated maize varieties

Environment, Management, and Genetic Contributions to Maize Kernel Hardness and Grain Yield

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