Comparing hybrid maize to open-pollinated varieties, the former is widely recognized for its higher producing capacity. However, the production potential of hybrids varies depending on the region and the season. Maize inbreed lines are relatively week and low in yield when compared to hybrid formed from them and open pollinated variety. Hence their seed production is challenged by weather condition like rain fall and temperature. This experiment was conducted on thirteen released inbridlines to calculate the Amount of growing degree days and production potential using a randomized complete block design with 3 replications. The mean GY for inbred lines was 4.08t/. L10 had the highest yield (5.53 t/ha), followed by L13 (5.18 t/ha) and L4 (5.13t/ha). L12, L7 and L3 had grain yield above the mean with the mean values of 5.03, 4.14, and 4.10 (t/ha). The ANOVA for Anthesis-Silking Intervals (ASI) showed highly significant differences (p< 0.01). Among inbred parents, L7, with an average of (6.66 days) had the longest ASI followed by L5, and L12 with five days of ASI. And The mean of ASI was four days for L1, L3, L4 and L10. The mean of ASI was 3.58 days, which has highly significant effect on yield. The shortest ASI was observed for L9 with (1day) followed by L6 (1.33 days), L2 (2days) and L8, L11, L13 with 3days. L10 had the highest score of Growing Degree Days (GDD) (°C) for DA and DS with 957.3 and 998, respectively. Whereas the lowest scores of GDD (°C) for DA and DS, observed on for L2, Were 815°C and 835°C), respectively.
| Published in | American Journal of Plant Biology (Volume 9, Issue 1) |
| DOI | 10.11648/j.ajpb.20240901.13 |
| Page(s) | 16-22 |
| 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), 2024. Published by Science Publishing Group |
Maize, Growing Degree Days, Inbridlines, Hybrid
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APA Style
Debelo, M. B. (2024). Calculating Growing Degree Days for Different Inbridlines of Maize (Zea mays. L) at Mid Altitude of Ethiopia, Bako. American Journal of Plant Biology, 9(1), 16-22. https://doi.org/10.11648/j.ajpb.20240901.13
ACS Style
Debelo, M. B. Calculating Growing Degree Days for Different Inbridlines of Maize (Zea mays. L) at Mid Altitude of Ethiopia, Bako. Am. J. Plant Biol. 2024, 9(1), 16-22. doi: 10.11648/j.ajpb.20240901.13
AMA Style
Debelo MB. Calculating Growing Degree Days for Different Inbridlines of Maize (Zea mays. L) at Mid Altitude of Ethiopia, Bako. Am J Plant Biol. 2024;9(1):16-22. doi: 10.11648/j.ajpb.20240901.13
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Download@article{10.11648/j.ajpb.20240901.13,
author = {Megersa Bayisa Debelo},
title = {Calculating Growing Degree Days for Different Inbridlines of Maize (Zea mays. L) at Mid Altitude of Ethiopia, Bako},
journal = {American Journal of Plant Biology},
volume = {9},
number = {1},
pages = {16-22},
doi = {10.11648/j.ajpb.20240901.13},
url = {https://doi.org/10.11648/j.ajpb.20240901.13},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpb.20240901.13},
abstract = {Comparing hybrid maize to open-pollinated varieties, the former is widely recognized for its higher producing capacity. However, the production potential of hybrids varies depending on the region and the season. Maize inbreed lines are relatively week and low in yield when compared to hybrid formed from them and open pollinated variety. Hence their seed production is challenged by weather condition like rain fall and temperature. This experiment was conducted on thirteen released inbridlines to calculate the Amount of growing degree days and production potential using a randomized complete block design with 3 replications. The mean GY for inbred lines was 4.08t/. L10 had the highest yield (5.53 t/ha), followed by L13 (5.18 t/ha) and L4 (5.13t/ha). L12, L7 and L3 had grain yield above the mean with the mean values of 5.03, 4.14, and 4.10 (t/ha). The ANOVA for Anthesis-Silking Intervals (ASI) showed highly significant differences (p7, with an average of (6.66 days) had the longest ASI followed by L5, and L12 with five days of ASI. And The mean of ASI was four days for L1, L3, L4 and L10. The mean of ASI was 3.58 days, which has highly significant effect on yield. The shortest ASI was observed for L9 with (1day) followed by L6 (1.33 days), L2 (2days) and L8, L11, L13 with 3days. L10 had the highest score of Growing Degree Days (GDD) (°C) for DA and DS with 957.3 and 998, respectively. Whereas the lowest scores of GDD (°C) for DA and DS, observed on for L2, Were 815°C and 835°C), respectively.
},
year = {2024}
}
TY - JOUR T1 - Calculating Growing Degree Days for Different Inbridlines of Maize (Zea mays. L) at Mid Altitude of Ethiopia, Bako AU - Megersa Bayisa Debelo Y1 - 2024/03/13 PY - 2024 N1 - https://doi.org/10.11648/j.ajpb.20240901.13 DO - 10.11648/j.ajpb.20240901.13 T2 - American Journal of Plant Biology JF - American Journal of Plant Biology JO - American Journal of Plant Biology SP - 16 EP - 22 PB - Science Publishing Group SN - 2578-8337 UR - https://doi.org/10.11648/j.ajpb.20240901.13 AB - Comparing hybrid maize to open-pollinated varieties, the former is widely recognized for its higher producing capacity. However, the production potential of hybrids varies depending on the region and the season. Maize inbreed lines are relatively week and low in yield when compared to hybrid formed from them and open pollinated variety. Hence their seed production is challenged by weather condition like rain fall and temperature. This experiment was conducted on thirteen released inbridlines to calculate the Amount of growing degree days and production potential using a randomized complete block design with 3 replications. The mean GY for inbred lines was 4.08t/. L10 had the highest yield (5.53 t/ha), followed by L13 (5.18 t/ha) and L4 (5.13t/ha). L12, L7 and L3 had grain yield above the mean with the mean values of 5.03, 4.14, and 4.10 (t/ha). The ANOVA for Anthesis-Silking Intervals (ASI) showed highly significant differences (p7, with an average of (6.66 days) had the longest ASI followed by L5, and L12 with five days of ASI. And The mean of ASI was four days for L1, L3, L4 and L10. The mean of ASI was 3.58 days, which has highly significant effect on yield. The shortest ASI was observed for L9 with (1day) followed by L6 (1.33 days), L2 (2days) and L8, L11, L13 with 3days. L10 had the highest score of Growing Degree Days (GDD) (°C) for DA and DS with 957.3 and 998, respectively. Whereas the lowest scores of GDD (°C) for DA and DS, observed on for L2, Were 815°C and 835°C), respectively. VL - 9 IS - 1 ER -
Department of Seed Science and Technology Multiplication, Ethiopian Institute of Agricultural Research, Bako National Maize Research Centre, Bako, Ethiopia
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