scholarly journals Shrunken2 Sweet Corn Yield and the Chemical Components of Quality

1994 ◽  
Vol 119 (4) ◽  
pp. 747-755 ◽  
Author(s):  
Adamson D. Wong ◽  
John A. Juvik ◽  
David C. Breeden ◽  
John M. Swiader
Keyword(s):  
Yield Components ◽  
Sweet Corn ◽  
Allelic Variation ◽  
Yield Potential ◽  
Chemical Components ◽  
Eating Quality ◽  
Genotypic Differences ◽  
Corn Yield ◽  
Environment Interaction ◽  
Kernel Quality

Extensive variability was found among 24 currently available commercial sh2 hybrids of sweet corn (Zea mays L.) for yield and yield components, and for the chemical components of eating quality. The primary source of variation was explained by genotypic differences, with the environmental effects due to planting locations having a minor influence. Kernel sugar concentrations, however, had a highly significant level of genotype by environment interaction. The extensive genotypic variability among the sh2 hybrids indicated that allelic variation at other loci is profoundly influencing sucrose and total sugar levels in freshly harvested sweet corn. In each case, the kernel chemical components of quality decreased from 20 to 29 days after pollination (DAP). Mean performance of sh2 hybrids for yield, yield components, and kernel quality parameters was in all cases equal or better than the hybrids homozygous for the su1 endosperm mutation. In addition, there were no strong negative relationships between yield and some of the important chemical components of kernel quality, suggesting that it may be feasible to develop superior sh2 hybrids with acceptable yield potential and improved eating quality targeted for the different sweet corn markets.

scholarly journals Genetic Variability and Association Analysis of SomeQuantitative Characters in Sweet Corn

2013 ◽  
Vol 41 (2) ◽  
pp. 404
Author(s):  
Ozlem ALAN ◽  
Gulcan KINACI ◽  
Engin KINACI ◽  
Imren KUTLU ◽  
Zekiye BUDAK BASCİFTCİ ◽  
...  
Keyword(s):  
Genetic Variability ◽  
Yield Components ◽  
Sweet Corn ◽  
Block Design ◽  
Sugar Content ◽  
Yield Potential ◽  
Genetic Advance ◽  
Solid Concentration ◽  
Kernel Quality ◽  
Soluble Solid

The objective of this study was to determine genetic variability, heritability, genetic advance, genotypic and phenotypic correlations of yield, yield components and kernel quality traits in seven sweet corn varieties. The present research was conducted during 2009 and 2010 growing season in Eskisehir, midwestern Turkey. The trials were set up in randomised complete block design with four replications. Analysis of variance observed highly significant differences for all the examined traits in both years. Sugar content, soluble solid concentration and number of leaves per plant revealed the highest genotypic and phenotypic coefficient of variation values. The high heritability estimates coupled with high genetic advance for sugar content, soluble solid concentration and starch content. Positive correlations were revealed between yield (husked, dehusked and fresh kernel) and yield components except plant height and 1000 seed weight. Negative correlations were found between kernel quality and yield and yield related traits. It can be concluded that, husked ear weight and dehusked ear weight could be used as the main criteria for yield improvement. It should be unfeasible to develop sweet corn varieties with satisfactory yield potential and improved kernel quality for the different sweet corn markets.

scholarly journals Chemical components of kernel quality in sh2 sweet corn genotypes (Zea mays L. saccharata Sturt.) as affected by harvest date

2020 ◽  
Vol 21 (3) ◽  
pp. 577-588
Author(s):  
Tatjana Ledenčan ◽  
Sanja Špoljarić Marković ◽  
Marija Viljevac Vuletić ◽  
Vlatko Galić ◽  
Antun Jambrović ◽  
...  
Keyword(s):  
Zea Mays ◽  
Zea Mays L ◽  
Sweet Corn ◽  
Harvest Date ◽  
Chemical Components ◽  
Kernel Quality

Combining Ability for Field Emergence, Kernel Quality Traits, and Certain Yield Components in Sweet Corn (Zea maysL.)

2008 ◽  
Vol 22 (1) ◽  
pp. 66-81 ◽  
Author(s):  
Jyoti Kumari ◽  
R.N. Gadag ◽  
G.K. Jha ◽  
H.C. Joshi ◽  
R.D. Singh
Keyword(s):  
Combining Ability ◽  
Yield Components ◽  
Sweet Corn ◽  
Quality Traits ◽  
Kernel Quality ◽  
Field Emergence

scholarly journals GENOTYPE BY ENVIRONMENT INTERACTION AND YIELD STABILITY OF SOYBEAN GENOTYPES

2018 ◽  
Vol 19 (1) ◽  
pp. 25
Author(s):  
Ayda Krisnawati ◽  
M. Muchlish Adie
Keyword(s):  
Yield Components ◽  
Block Design ◽  
Sum Of Squares ◽  
Yield Potential ◽  
High Yield ◽  
Environment Interaction ◽  
Yield Data ◽  
Branch Number ◽  
Soybean Production ◽  
Soybean Genotypes

<p class="abstrakinggris">Soybean breeding program in Indonesia has been actively involved in improving the genetic yield potential to meet the needs of farmers in different parts of the country. The study aimed to determine the presence of soybean production mega-environments and to evaluate the yield performance and stability of 12 soybean genotypes. Soybean yield performances were evaluated in eight production centers in Indonesia during 2013 growing season. The experiment in each location was arranged in a randomized complete block design with four replications. Parameters observed included grain yield and yield components. The yield data were analyzed using GGE biplot and the yield components data were analyzed using analysis of variance. The results showed that the yield performances of soybean genotypes were highly influenced by genotype-environment interaction (GEI) effects. The yield components were significantly affected by GEI except per plant branch number. The partitioning of the G + GE sum of squares showed that PC1 and PC2 were significant components which accounted for 57.41% and 18.55% of G + GE sum of squares, respectively. Based on the GGE visual assessment, agro-ecology for soybean production in Indonesia was divided into at least three mega-environments. Genotypes 8 and 2 were the best yielding genotypes in the most discriminating environment, but adapted to specific environment, thus highly recommended for that specific location. Genotypes 9 and 10 were stable and had relatively high yield performances across environments. Those genotypes would be recommended to be proposed as new soybean varieties.</p>

scholarly journals Pengaruh Dosis Ampas Tahu dan Pupuk Agrobost Terhadap Pertumbuhan dan Hasil Tanaman Jagung Manis (Zea mays saccharata Sturt.)

2020 ◽  
Vol 3 (4) ◽  
pp. 16-25
Author(s):  
Fathul Rizal ◽  
Bakhtiar Bakhtiar ◽  
Jumini Jumini
Keyword(s):  
Zea Mays ◽  
Plant Height ◽  
Sweet Corn ◽  
Block Design ◽  
Stem Diameter ◽  
Growth And Yield ◽  
Yield Potential ◽  
Corn Yield ◽  
Randomized Block Design ◽  
Banda Aceh

Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh dosis ampas tahu dan konsentrasi pupuk agrobost serta interaksi antara terhadap pertumbuhan dan hasil tanaman jagung manis. Penelitian ini dilaksanakan di Kebun Percobaan dan Laboratorium Fisiologi Tumbuhan Fakultas Pertanian Universitas Syiah Kuala Banda Aceh pada bulan Januari sampai April 2018. Rancangan yang digunakan adalah Rancangan Acak Kelompok pola faktorial 4 x 3 dengan 3 kali ulangan. Faktor pertama adalah dosis ampas tahu dan faktor kedua adalah konsentrasi pupuk Agrobost. Peubah yang diamati yaitu tinggi tanaman, diameter batang, panjang tongkol berkelobot, panjang tongkol tanpa kelobot, berat tongkol berkelobot, berat tongkol tanpa kelobot dan potensi hasil. Hasil penelitian menunjukkan bahwa dosis ampas tahu berpengaruh sangat nyata terhadap tinggi tanaman 45 HST, diameter batang umur 30 HST dan 45 HST, panjang tongkol berkelobot, tanpa kelobot, berat tongkol berkelobot dan tanpa kelobot, potensi hasil berkelobot dan tanpa kelobot, berpengaruh nyata terhadap tinggi tanaman 15 HST dan 30 HST serta diameter batang 15 HST. Perlakuan konsentrasi pupuk Agrobost berpengaruh sangat nyata terhadap diameter batang 30 dan 45 HST, panjang tongkol berkelobot, panjang tongkol tanpa kelobot, berat tongkol berkelobot, berat tongkol tanpa kelobot, potensi hasil berkelobot dan potensi hasil tanpa kelobot. Namun tidak berpengaruh nyata terhadap tinggi 15 dan 45 HST serta diameter 15 HST. Tidak terdapat interaksi yang  nyata antara dosis ampas tahu dan konsentrasi pupuk Agrobost terhadap semua peubah  pengamatan.  Perlakuan dosis ampas tahu 10, 20 dan 30 ton/ha  memberikan pertumbuhan dan hasil jagung  manis yang sama baiknya, namun dari segi ekonomis 10 ton/ha lebih efektif untuk digunakan. Perlakuan pupuk agrobost yang lebih baik di jumpai pada konsentrasi 15 ml/l air yang memberikan pertumbuhan dan hasil jagung manis dibandingkan dengan kontrol dan 30 ml/l air.Kata kunci : Ampas Tahu, Agrobost, Jagung ManisEfect of Dosage Tofu Dregs and Agrobost Fetilezer to Growth and Yield of Sweet Corn Crops Zea mays saccharat Sturt.Abstrack. This research was conducted to know wheter the effect of dosage tofu dregs and agrobost fertilizer consentration and interaction between both of it to growth and yield of sweet corn crops. This research did at. Experimental Farm and Plant Phaysiology Laboratory of Syiah Kuala University, Banda Aceh, on January to April 2018. The design was used  Randomized Block Design (RBD) 4 x 3 factorial pattern with 3 times repeated. The first factor was dosage of tofu dregs (D) and the second factor was agrobost consentration (T). The observed variables were plant height, stem diameter, length of cob weighted, length of cob without weighted, weight of cob weighted, weight of cob weight without weight and yield potential. The results showed that dosage of tofu dregs very significant effect on plant height of 45 DAP, stem diameter of 30 DAP and 45 DAP, length of cob weighted, length of cob without weighted, weight of cob weighted and weight of cob without weighted, yield potency of cob weighted and yield potency of cob without weighted. The significant effect on  plant height of 15 DAP and 30 DAP and stem diameter of 15 DAP. Agrobost fertilizer concentration was very significant effect on stem diameter of 30 and 45 DAP, length of cob weighted, length of cob without weighted, weight of cob weighted, weight of cob without weighted, yield potency of cob weighted and yield potency without weighted. However, no significant effect on the plant height of  15 and 45 DAP and the diameter of 15 DAP. There were no interaction between dregs of tofu and Agrobost fertilizer concentration on all observation parameters. The treatment of  dregs tofu 10, 20 and 30 tons/ha the same growth and yield of sweet corn, but terms of economical 10 tons/ha is more effective to use. The treatment of agrobost fertilizer  was found better at concentration of 15 ml/l water which gave growth and sweet corn yield compared to the control and 30 ml/l water.Keyword: Dregs of Tofu, agrobost, Sweet Corn 

scholarly journals PENGUJIAN EFEKTIVITAS WAKTU PEMANGKASAN BUNGA JANTAN TERHADAP PENINGKATAN KOMPONEN HASIL DAN HASIL JAGUNG MANIS (Zea may L)

2017 ◽  
Vol 5 (1) ◽  
pp. 27
Author(s):  
Lia Amalia
Keyword(s):  
Yield Components ◽  
Sweet Corn ◽  
Male Flower ◽  
Corn Yield ◽  
Yield And Yield Components ◽  
Zea May ◽  
Male Flowers ◽  
Corn Plants ◽  
Experimental Garden

The research was conducted in experimental garden of Faculty of Agriculture Unwim which has a place to stay 850 mdpl. This study aims to determine the effective timing of male pruning to increase yield components and sweet corn yield. The environmental plan used is a collection of groups consisting of: A = Without pruning B = Pruning 7 days after pollination C = Pruning 14 days after pollinationD = Pruning 21 days after pollination. The result of the research showed that the male flower pruning after pollination of the effect on corn yield and yield components such as Weight, Length and Diameter of Tonggol both without and with kelobot. Sweet corn plants that are not exposed to male flower pruning have the same result and yield components as the plants that are trimmed by their male flowers

scholarly journals Breeding of High Cooking and Eating Quality in Rice by Marker-Assisted Backcrossing (MABc) Using KASP Markers

Plants ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 804
Author(s):  
Me-Sun Kim ◽  
Ju-Young Yang ◽  
Ju-Kyung Yu ◽  
Yi Lee ◽  
Yong-Jin Park ◽  
...  
Keyword(s):  
Genetic Background ◽  
Amylose Content ◽  
Yield Potential ◽  
Eating Quality ◽  
Breeding Cycle ◽  
Recurrent Parent ◽  
Rice Varieties ◽  
Breeding Programs ◽  
Genome Wide ◽  
Cooking And Eating Quality

The primary goals of rice breeding programs are grain quality and yield potential improvement. With the high demand for rice varieties of premium cooking and eating quality, we developed low-amylose content breeding lines crossed with Samgwang and Milkyqueen through the marker-assisted backcross (MABc) breeding program. Trait markers of the SSIIIa gene referring to low-amylose content were identified through an SNP mapping activity, and the markers were applied to select favorable lines for a foreground selection. To rapidly recover the genetic background of Samgwang (recurrent parent genome, RPG), 386 genome-wide markers were used to select BC1F1 and BC2F1 individuals. Seven BC2F1 lines with targeted traits were selected, and the genetic background recovery range varied within 97.4–99.1% of RPG. The amylose content of the selected BC2F2 grains ranged from 12.4–16.8%. We demonstrated the MABc using a trait and genome-wide markers, allowing us to efficiently select lines of a target trait and reduce the breeding cycle effectively. In addition, the BC2F2 lines confirmed by molecular markers in this study can be utilized as parental lines for subsequent breeding programs of high-quality rice for cooking and eating.

scholarly journals Genotype and environment interaction of sweetpotato varieties

2019 ◽  
Vol 44 (3) ◽  
pp. 501-512
Author(s):  
S Sultana ◽  
HC Mohanta ◽  
Z Alam ◽  
S Naznin ◽  
S Begum
Keyword(s):  
Tuber Yield ◽  
Agricultural Research ◽  
Genotype By Environment Interaction ◽  
Yield Potential ◽  
Environment Interaction ◽  
Dry Matter Content ◽  
Genotype By Environment ◽  
Discriminating Power ◽  
Study Results ◽  
Main Effect

The article presents results of additive main effect and multiplicative interaction (AMMI) and genotype (G) main effect and genotype by environment (GE) interaction (G × GE) biplot analysis of a multi environmental trial (MET) data of 15 sweetpotato varieties released from Bangladesh Agricultural Research Institute conducted during 2015–2018. The objective of this study was to determine the effects of genotype, environment and their interaction on tuber yield and to identify stable sweetpotato genotypes over the years. The experimental layout was a randomized complete block design with three replications at Gazipur location. Combined analysis of variance (ANOVA) indicated that the main effects due to genotypes, environments and genotype by environment interaction were highly significant. The contribution of genotypes, environments and genotype by environment interaction to the total variation in tuber yield was about 60.16, 10.72 and 12.82%, respectively. The first two principal components obtained by singular value decomposition of the centred data of yield accounted for 100% of the total variability caused by G × GE. Out of these variations, PC1 and PC2 accounted for 71.5% and 28.5% of variability, respectively. The study results identified BARI Mistialu- 5, BARI Mistialu- 14 and BARI Mistialu- 15 as the closest to the “ideal” genotype in terms of yield potential and stability. Varieties ‘BARI Mistialu- 8, BARI Mistialu- 11 and BARI Mistialu- 12’ were also selected as superior genotypes. BARI Mistialu- 3 and BARI Mistialu- 13 was comparatively low yielder but was stable over the environment. Among them BARI Mistialu-12, BARI Mistialu-14 and BARI Mistialu-15 are rich in nutrient content while BARI Mistialu-8 and BARI Mistialu-11 are the best with dry matter content and organoleptic taste. Environments representing in 1st and 3rd year with comparatively short vectors had a low discriminating power and environment in 2nd year was characterized by a high discriminating power. Bangladesh J. Agril. Res. 44(3): 501-512, September 2019

Application of physiological understanding in soybean improvement. I. Understanding phenological constraints to adaptation and yield potential

2011 ◽  
Vol 62 (1) ◽  
pp. 1 ◽  
Author(s):  
R. J. Lawn ◽  
A. T. James
Keyword(s):  
Seed Yield ◽  
Environmental Control ◽  
Thermal Environment ◽  
Sowing Date ◽  
Companion Paper ◽  
Interaction Effects ◽  
Yield Potential ◽  
Environment Interaction ◽  
Sowing Dates ◽  
Eastern Australia

The purpose of this paper and its companion1 is to describe how, in eastern Australia, soybean improvement, in terms of both breeding and agronomy, has been informed and influenced over the past four decades by physiological understanding of the environmental control of phenology. This first paper describes how initial attempts to grow soybean in eastern Australia, using varieties and production practices from the southern USA, met with limited success due to large variety × environment interaction effects on seed yield. In particular, there were large variety × location, variety × sowing date, and variety × sowing date × density effects. These various interaction effects were ultimately explained in terms of the effects of photo-thermal environment on the phenology of different varieties, and the consequences for radiation interception, dry matter production, harvest index, and seed yield. This knowledge enabled the formulation of agronomic practices to optimise sowing date and planting arrangement to suit particular varieties, and underpinned the establishment of commercial production in south-eastern Queensland in the early 1970s. It also influenced the establishment and operation over the next three decades of several separate breeding programs, each targeting phenological adaptation to specific latitudinal regions of eastern Australia. This paper also describes how physiological developments internationally, particularly the discovery of the long juvenile trait and to a lesser extent the semi-dwarf ideotype, subsequently enabled an approach to be conceived for broadening the phenological adaptation of soybeans across latitudes and sowing dates. The application of this approach, and its outcomes in terms of varietal improvement, agronomic management, and the structure of the breeding program, are described in the companion paper.

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