The objectives of the present investigation were to determine the type of gene action, heritability and expected genetic advance from selection for agronomic and yield traits of maize under high plant density (HD) stress and low density (non-stress) and to identify the parents th...
Open access
Research Article10.9734/JABB/2016/28413
Indirect selection would be effective if heritability of the secondary trait is greater than that of the primary trait and genetic correlation between them is strong. The objectives of this investigation were to identify secondary trait(s) for selection of high maize grain yield...
Open access
Research Article10.9734/JABB/2016/28603
Aim: The objectives of this investigation were to identify secondary trait(s) for selection of high maize grain yield under high plant density combined with drought stress at flowering and to identify whether the best selection environment is the optimum or stressed one. Study De...
Open access
Research Article10.9734/JALSI/2016/28582
The objectives of the present investigation were to determine the type of gene action, heritability and expected genetic advance from selection for agronomic and yield traits of maize under water stress and optimum irrigation and to identify the parents that contain favorable gen...
Open access
Research Article10.9734/ACRI/2016/28281
The objective of this study was to assess performance, heterosis and combining ability parameters and their interrelationships in six maize inbreds and their 15 diallel F1 crosses under different plant densities (D). Three experiments were carried out in each season of 2013 and 2...
Open access
Research Article10.9734/JALSI/2016/28067
The objectives of the present investigation were to determine genetic variance components, heritability and expected genetic advance from selection for agronomic traits of maize under water stress at flowering combined with high plant density; 95,200 plants/ha(WS-HD) as compared...
Open access
Research Article10.9734/JALSI/2016/28414
The objective of this study was to assess mean performance, heterosis and combining ability and their interrelationships in six maize inbreds and their 15 diallel F1 crosses under elevated plant density (D). Three experiments were carried out in each season of 2013 and 2014, usin...
Open access
Research Article10.9734/JABB/2016/28127
The objectives of this investigation were to identify secondary trait(s) for selection of high maize grain yield under drought stress conditions and to identify whether the best selection environment is the optimum or stressed one. Diallel crosses among diverse inbreds in toleran...
Open access
Research Article10.9734/ARJA/2016/28552
The objective of the present investigation was to test the validity of predictions of GCA and SCA effects from mean performance and/or heterobeltiosis for agronomic and yield traits under elevated plant density (D) combined with water deficit. Six maize inbreds varying in high-D...
Open access
Research Article10.9734/ARJA/2016/28126
Information on heterosis and combining ability of available germplasm would help maize breeder in identifying proper genotypes and breeding procedures for improving tolerant varieties to water stress. The objective of this investigation was to assess the performance, heterobelti...
Open access
Research Article10.9734/ACRI/2016/27508
Selecting superior parents for hybrid combinations and studying the nature of genetic variation are prerequisites for starting a successful breeding program. The main objective of the present study was to assess performance, useful heterosis and combining ability among ma...
Open access
Research Article10.9734/JABB/2016/27507
High plant density and full irrigation along with the use of high density-tolerant genotype would lead to maximizing maize (Zea mays L.) grain productivity per unit land area. The objective of this investigation was to match the functions of optimum plant density and adequate irr...
Open access
Research Article10.9734/JABB/2016/26881
The use of high plant density (PD) along with tolerant genotypes to high PD would overcome the negative impacts of competition stresses and lead to maximizing maize yield of grain (GYPH), protein (PYPH), oil (OYPH) and starch (SYPH) from the unit land area (ha). The main objectiv...
Open access
Research Article10.9734/ARJA/2016/26730
Aim: The objective of this investigation was to match the functions of optimum plant density to produce the highest possible grain yield per unit area with the greatest maize genotype efficiency. Study Design: A split plot design in randomized complete block arrangement was used...
Open access
Research Article10.9734/JALSI/2016/26811
The main objective of the present investigation was to identify the optimum plant density for the best performance of grain protein, oil and starch contents and yields of different maize genotypes via quadratic regression functions. Diallel crosses among diverse maize inbreds wer...
Open access
Research Article10.9734/JABB/2016/26692
Maize is considered susceptible to drought stress, when occurs at flowering stage. Thus, the development of drought tolerant maize cultivars is of important priority for plant breeders. The objectives of the present study were: (i) to assess the effect of maize genotype (G), irri...
Open access
Research Article10.9734/JAERI/2016/25438
The main objective of this investigation was to study the effects of deficit irrigation (I) at flowering stage, genotype (G) and G × I interaction on maize grain quality and yield traits of 6 inbred lines and their 15 diallel crosses. The parents and F1's were evaluated in two se...
Open access
Research Article10.9734/IJPSS/2016/23570
Maximum yield per unit area may be obtained by growing maize hybrids that can withstand high plant density. Maize genotypes differ in plant density tolerance (PDT). The objectives of the present investigation were to identify the density tolerant genotypes, to estimate the superi...
Open access
Research Article10.9734/ARJA/2017/36053
Type of gene action, heritability and genetic advance from selection are prerequisites for starting a breeding program for developing plant density tolerant variety of maize. The objective of the present investigation was to estimate general (GCA) and specific (SCA) combining abi...
Open access
Research Article10.9734/AJAAR/2017/36040
Secondary Traits and Selection Environment of Plant Density Tolerance in Maize Inbreds and Testcrosses Secondary traits in maize are used in screening programs for selecting tolerant genotypes to a specific abiotic stress. Indirect selection would be effective if heritability of...
Open access
Research Article10.9734/JABB/2017/35510
Knowledge on combining ability and type of gene action of available germplasm would help maize breeder in identifying proper parents and breeding procedure for improving plant density tolerance (PDT). A split plot experiment with three replications was carried out; where plant de...
Open access
Research Article10.9734/JALSI/2017/35508
Information on the heterosis of maize germplasm is essential in maximizing the effectiveness of hybrid development. The objectives of the present study were to assess the effects of elevated plant density on mean performance and heterobeltiosis and to identify the best testcrosse...
Open access
Research Article10.9734/ACRI/2017/35509