To determine the relationship between flowering syndrome and hybrid performance in some maize (Zea mays L.) crosses, selection on early and late flowering plants was undertaken. Selection was applied on plants of four inbreds; Zm19, Zm32, Zm51, and Zm61. Selected plants were propagated in the next season, grown in the third season and crossed to two testers (Zm21 late, and Zm60 early). The F1 seeds were planted in the fourth season in a randomized complete block design of three replicates in 83’000 plants/ha. This was done in the farm of the College of Agric., Univ. of Baghdad. The results showed that selection for divergent flowering of inbred gave significant difference in days to silking among all crosses. The days ranged between 62 d for early selects, to 66 d for late selects. This was reflected on time of seed filling that increased grain yield. The best crosses gave plant growth rate of 18.3 – 21.6 g.m-2.d-1, seed growth rate of 3.2 – 3.5 g.plant-1.d-1, and seed filling of 35 – 38 d. The cross that gave highest response of selection (61 x 21) gave 1.79 kg.m-2 dry matter for early select, and 2.20 kg.m-2 for late flowering select cross. It was recommended to select on maize inbreds to create new variations for better traits provided using large inbred populations.
| Published in | International Journal of Applied Agricultural Sciences (Volume 3, Issue 3) |
| DOI | 10.11648/j.ijaas.20170303.12 |
| Page(s) | 67-71 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2017. Published by Science Publishing Group |
ASI, CGR, Early and Late Silking, SGR, TDM
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APA Style
H. A. Alkhazaali, M. M. Elsahookie, F. Y. Baktash. (2017). Flowering Syndrome-Hybrid Performance Relationship in Maize 1-Agromonic Traits. International Journal of Applied Agricultural Sciences, 3(3), 67-71. https://doi.org/10.11648/j.ijaas.20170303.12
ACS Style
H. A. Alkhazaali; M. M. Elsahookie; F. Y. Baktash. Flowering Syndrome-Hybrid Performance Relationship in Maize 1-Agromonic Traits. Int. J. Appl. Agric. Sci. 2017, 3(3), 67-71. doi: 10.11648/j.ijaas.20170303.12
AMA Style
H. A. Alkhazaali, M. M. Elsahookie, F. Y. Baktash. Flowering Syndrome-Hybrid Performance Relationship in Maize 1-Agromonic Traits. Int J Appl Agric Sci. 2017;3(3):67-71. doi: 10.11648/j.ijaas.20170303.12
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Download@article{10.11648/j.ijaas.20170303.12,
author = {H. A. Alkhazaali and M. M. Elsahookie and F. Y. Baktash},
title = {Flowering Syndrome-Hybrid Performance Relationship in Maize 1-Agromonic Traits},
journal = {International Journal of Applied Agricultural Sciences},
volume = {3},
number = {3},
pages = {67-71},
doi = {10.11648/j.ijaas.20170303.12},
url = {https://doi.org/10.11648/j.ijaas.20170303.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijaas.20170303.12},
abstract = {To determine the relationship between flowering syndrome and hybrid performance in some maize (Zea mays L.) crosses, selection on early and late flowering plants was undertaken. Selection was applied on plants of four inbreds; Zm19, Zm32, Zm51, and Zm61. Selected plants were propagated in the next season, grown in the third season and crossed to two testers (Zm21 late, and Zm60 early). The F1 seeds were planted in the fourth season in a randomized complete block design of three replicates in 83’000 plants/ha. This was done in the farm of the College of Agric., Univ. of Baghdad. The results showed that selection for divergent flowering of inbred gave significant difference in days to silking among all crosses. The days ranged between 62 d for early selects, to 66 d for late selects. This was reflected on time of seed filling that increased grain yield. The best crosses gave plant growth rate of 18.3 – 21.6 g.m-2.d-1, seed growth rate of 3.2 – 3.5 g.plant-1.d-1, and seed filling of 35 – 38 d. The cross that gave highest response of selection (61 x 21) gave 1.79 kg.m-2 dry matter for early select, and 2.20 kg.m-2 for late flowering select cross. It was recommended to select on maize inbreds to create new variations for better traits provided using large inbred populations.},
year = {2017}
}
TY - JOUR T1 - Flowering Syndrome-Hybrid Performance Relationship in Maize 1-Agromonic Traits AU - H. A. Alkhazaali AU - M. M. Elsahookie AU - F. Y. Baktash Y1 - 2017/04/26 PY - 2017 N1 - https://doi.org/10.11648/j.ijaas.20170303.12 DO - 10.11648/j.ijaas.20170303.12 T2 - International Journal of Applied Agricultural Sciences JF - International Journal of Applied Agricultural Sciences JO - International Journal of Applied Agricultural Sciences SP - 67 EP - 71 PB - Science Publishing Group SN - 2469-7885 UR - https://doi.org/10.11648/j.ijaas.20170303.12 AB - To determine the relationship between flowering syndrome and hybrid performance in some maize (Zea mays L.) crosses, selection on early and late flowering plants was undertaken. Selection was applied on plants of four inbreds; Zm19, Zm32, Zm51, and Zm61. Selected plants were propagated in the next season, grown in the third season and crossed to two testers (Zm21 late, and Zm60 early). The F1 seeds were planted in the fourth season in a randomized complete block design of three replicates in 83’000 plants/ha. This was done in the farm of the College of Agric., Univ. of Baghdad. The results showed that selection for divergent flowering of inbred gave significant difference in days to silking among all crosses. The days ranged between 62 d for early selects, to 66 d for late selects. This was reflected on time of seed filling that increased grain yield. The best crosses gave plant growth rate of 18.3 – 21.6 g.m-2.d-1, seed growth rate of 3.2 – 3.5 g.plant-1.d-1, and seed filling of 35 – 38 d. The cross that gave highest response of selection (61 x 21) gave 1.79 kg.m-2 dry matter for early select, and 2.20 kg.m-2 for late flowering select cross. It was recommended to select on maize inbreds to create new variations for better traits provided using large inbred populations. VL - 3 IS - 3 ER -
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