Seed generation effect on quality of genetic information from maize (Zea mays L.) diallel cross for maize weevil (Sitophilus zeamais Motschulsky) resistance

Euphytica ◽  
2021 ◽  
Vol 217 (6) ◽  
Author(s):  
Lwanga Charles Kasozi ◽  
John Derera ◽  
Pangirayi Tongoona ◽  
Edmore Gasura
Keyword(s):  
Zea Mays ◽  
Genetic Information ◽  
Zea Mays L ◽  
Diallel Cross ◽  
Generation Effect ◽  
Sitophilus Zeamais ◽  
Maize Weevil

scholarly journals Effects of chemical and bio-fertilizers on yield, yield components and grain quality of maize (Zea mays L.)

2016 ◽  
Vol 11 (45) ◽  
pp. 4654-4660 ◽  
Author(s):  
A. Fadlalla Hashim ◽  
A. A. Abukhlaif Hatim ◽  
S. Mohamed Somaya
Keyword(s):  
Zea Mays ◽  
Yield Components ◽  
Grain Quality ◽  
Zea Mays L

Improving the mineral reserves and protein quality of maize (Zea mays L.) kernels using unique genes

1993 ◽  
Vol 155-156 (1) ◽  
pp. 215-218 ◽  
Author(s):  
R. M. Welch ◽  
M. E. Smith ◽  
D. R. van Campen ◽  
S. C. Schaefer
Keyword(s):  
Zea Mays ◽  
Protein Quality ◽  
Zea Mays L ◽  
Unique Genes ◽  
Mineral Reserves

scholarly journals Efficacy of Cymbopogon citratus Stapf leaf extract as seed protectant against Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae) on stored maize (Zea mays L.)

2017 ◽  
Vol 30 (4) ◽  
pp. 220
Author(s):  
Diligent Oboho ◽  
Joseph Eyo ◽  
Felicia Ekeh ◽  
Solomon Okweche
Keyword(s):  
Zea Mays ◽  
Aqueous Extract ◽  
Leaf Extract ◽  
Sitophilus Zeamais ◽  
Cymbopogon Citratus ◽  
Maize Weevil ◽  
Level Of Significance ◽  
Filter Papers ◽  
Acetone Extracts ◽  
Chloroform Methanol

A laboratory experiment was conducted to evaluate the insecticidal property of <em>Cymbopogon citratus</em> leaf extract as seed protectant against maize weevil. One (1) gram each of acetone, chloroform, methanol and aqueous extracts were re-suspended in 5 ml of deionized water and used to impregnate filter papers set in four replicates. Varied concentrations of the aqueous extract per 50 g of <em>Zea mays</em> grains infested with 10 pairs of sexed <em>Sitophilus zeamais</em> for 28 days were tested for insecticidal properties and compared with experimental and synthetic conventional insecticide [Coopex (0.25 g)] controls. Parameters assessed were effect of <em>C. citratus</em> extracts on weevil mortality (toxicity test) and protection of maize against <em>S. zeamais</em>. Data obtained were analyzed using Analysis of Variance (ANOVA) and means were separated using New Duncan Multiple Range Test at 5% level of significance. Results showed significant (P &lt; 0.05) concentration and duration dependent mortalities of <em>S. zeamais</em>. The aqueous extract gave the highest protection of the maize grains followed by chloroform, methanol and acetone extracts respectively. The insecticidal potency of <em>C. citratus</em> extracts and its availability places it as an attractive biopesticide in traditional post-harvest seed protection.

scholarly journals CNSL Concentration and Natural Dyes Effects in Formulation of Botanical Pesticide on Sitophilus zeamais and Maize Seed Quality

2020 ◽  
Vol 4 (1) ◽  
pp. 1-9
Author(s):  
Dian Astriani ◽  
Wafit Dinarto ◽  
Aji Jatmiko
Keyword(s):  
Seed Quality ◽  
Sitophilus Zeamais ◽  
Natural Dyes ◽  
Maize Weevil ◽  
Maize Seeds ◽  
Botanical Pesticide ◽  
Randomized Design ◽  
Efficiency And Effectiveness ◽  
Push Down

Maize is an important commodity in Indonesia and is vulnerable to maize weevil (Sitophilus zeamais) during storage which can cause a 100% yield loss. Chasew Nut Shell Liquid (CNSL) is a botanical pesticide able to control S. zeamais. Increasing CNSL efficiency and effectiveness requires additional adjuvants, such as solvents and dyes. Natural dyes addition is intended to provide seed markers. This study aimed to determine the best CNSL and natural dye formulation to control maize weevil and maintain maize seeds quality during storage. The research was conducted from August to October 2018 at the Agronomy Laboratory, Faculty of Agroindustry, Yogyakarta Mercu Buana University. The research was a single factor consisted of seven treatments with four replications arranged in a completely randomized design (CRD). Treatments were combinations of CNSL concentrations with the addition of natural dyes from suji leaf and teak leaves with one untreated control. The results of the research showed that CNSL as a seed treatment botanical pesticide could cause mortality and suppress S. zeamais populations and maintain the quality of maize seeds during storage for 12 weeks. Treatments with 20% CNSL formulation concentration and the addition of natural dyes both leaf pleomele or teak leaves could cause higher mortality and push down more populations and also could better maintain seed quality than 10 and 0% CNSL formulation concentrations.

scholarly journals Assessment of Nutritive Quality of Maize (Zea mays L.) Produced and Stocked from Rural Conditions in Côte d’Ivoire

2021 ◽  
pp. 22-32
Author(s):  
Kouamé Désiré ◽  
Biego Henri Marius ◽  
Niamketchi Gilles Léonce ◽  
Konan Ysidor ◽  
Sidibé Daouda
Keyword(s):  
Zea Mays ◽  
Cote D'ivoire ◽  
Côte D’Ivoire ◽  
Zea Mays L ◽  
Laboratory Unit ◽  
Cote D’Ivoire ◽  
Côte D'ivoire ◽  
Nutritive Quality ◽  
Significant Difference

Aims: Maize (Zea mays L.) is a major staple food for millions of people in Côte d’Ivoire. Due                         to its high productivity and low cost of calorie it is preferred crop for food security of the                      country. Thus, this study was conducted to assess nutritive quality of maize produced and               stocked in five purposively selected regions of Côte d’Ivoire which represents five agroecological settings. Study Design: A total of 1500 samples of maize as grains, epis and spathes were collected at rate of 500 samples by region (Gbêkê, Poro, Hambol, Indénié-Djuablin and Gontougo) and sent to the laboratory in order to analyse their nutritional quality. Place and Duration of Study: This study was carried out during March 2016 to January 2017. The collected sample were carried out at the laboratory unit of Food Sciences and Biochemistry of the Félix Houphouët-Boigny University, Abidjan. Methodology: Proximate analyses were carried out using standard methods AOAC (2000). Results: The results show significant difference from the biochemical compositions of maize type and region. Mean value intervals were as follow: dry matter (85.83 – 91.42%), ash (1.19 - 2%), proteins (7.99 - 9.32), lipids (3.21 - 4.47), carbohydrates (71.80 - 77.94), starches (62.30 - 68.44%), fibers (5.03 - 5.83%), total sugars (2,13 - 2.99%), reducing sugars (0.33 - 0.66%), free fat acidity (1.86- 4.50%), peroxide value (1.34 - 3.07 meq O2/kg), iodine value (100.93 - 130.56 g I2/100 g), unsaponifiable (0.89 - 1.54%) and energy values (357.88 - 374.39 kcal). Conclusion: A significant variability from one region to another can be noticed at level of maize quality regardless the type of maize. The nutritive quality of maize seems to be tied to postharvest treatments (drying), type of storage (epis, grains and spathes) and structure of storage.

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