Maize (Zea mays L.) is a crop in a tropical region which resists growing under sensitive temperature. This study was conducted to evaluate the performance of Canadian maize inbred lines under controlled cold stress conditions (5°C, 10°C, and 23°C). Data were recorded by measuring germination rate, index, root length, and seed vigour index values. Five higher and three lower tolerant inbred lines were shortlisted. The data were analyzed using analysis of variance, while mean values were compared using Tukey’s Honest Significant Difference Test at α=0.05 and at α=0.01. Using Genstat software, correlation was done. A strong correlation (P<0.05) was found between germination rate and germination index under all stress conditions. Root length and vigour index were also strongly correlated with germination rate under 5°C stress condition and compared to 10°C and 23°C stress conditions. Our results suggested that five (CO439, CO438, CO450, CO435, and CO445) among 22 maize inbred lines performed better under 5°C cold stress condition and thus had the potential to develop maize hybrids to increase grain yield under environmentally stressful conditions in South Korea.

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• The Effect of Plasma-Activated Water on Zea mays L. Landraces Under Abiotic Stress
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  Agriculture.2025; 15(19): 2037.     CrossRef
• Low temperature elicits differential biochemical and antioxidant responses in maize (Zea mays) genotypes with different susceptibility to low temperature stress
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  3 Biotech.2021;[Epub]     CrossRef

An experiment was conducted to evaluate genetic variation among twenty-one fluted pumpkin genotypes for seedling traits. The seeds of the fluted pumpkin were germinated in nursery bags filled with saw dust at the Federal University of Agriculture, Abeokuta and the Federal University of Technology, Akure, Nigeria between July and August, 2013. The experiment was laid out in completely randomized design with three replications. Characters evaluated were emergence percentage (E%), emergence index, emergence index rate, vine length (cm), leaf area (cm²), number of leaves, shoot dry weight (g), and seedling vigour index (SVI). Significant (P≤0.05) differences were observed among the fluted pumpkin genotypes for the evaluated characters. High E% was observed for genotypes Ftn45 (94.80%), Ftn43 (93.30%), Ftn57 (93.30%), Fte41 (90.0%), Ftn61 (86.70%), and Ftm11 (83.30%). Also, these genotypes had above average values for SVI. High phenotypic coefficients of variation and genotypic coefficients of variation were observed for leaf area (75.44%) and dry shoot weight (55.85%), respectively while heritability estimates above 50% was observed for leaf area (82.0%), dry weight (77.78%), E% (70.84%), and SVI (51.98%). The genetic advance was high for E% (38.37), SVI (38.09), and leaf area. SVI, E%, vine length, and leaf area had significant positive correlation with most of the traits therefore, they can be used as selection criteria in fluted pumpkin. Therefore, genetic improvement of early seedling can be used for selection programme in fluted pumpkin.

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• Interrelationship Between Emergence and Yield Parameters in Mung Bean: Implication for Selection
  Qudrah Olaitan Oloyede-Kamiyo, Adedotun Daniel Adewumi, Paul Chiedozie Ukachukwu, Mayowa Segun Oladipo
  Acta Horticulturae et Regiotecturae.2024; 27(2): 90.     CrossRef
• Genotype × environment interaction and adaptation of cowpea genotypes across six planting seasons
  Abiola AJAYİ, Alaba GBADAMOSİ, Oluwatoyin OSEKİTA, Babatunde TAİWO, Ato Babawole FAWIBE, Iyanu ADEDEJİ, Temitope OMİSAKİN
  Frontiers in Life Sciences and Related Technologies.2022; 3(1): 7.     CrossRef
• Probing of the genetic components of seedling emergence traits as selection indices, and correlation with grain yield characteristics of some tropical maize varieties
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  Open Agriculture.2021; 6(1): 223.     CrossRef
• Multivariate analysis techniques reveal significant morphogenetic variability in pumpkin landraces in Kenya
  James Kirimi Kiramana, Dorcas Khasungu Isutsa
  International Journal of Biosciences (IJB).2018; : 297.     CrossRef