水杨酸对玉米生长和产量配合力及其构成因素的影响

Q4 Medicine
Hadeel S. Hamad, Zeyad A. Abdulhamed
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引用次数: 0

摘要

领域的一项实验进行了Al-Hamidhyia研究站-农业大学/安巴尔省大学研究水杨酸浓度(0,200和400毫克l - 1)和15的玉米基因型(5 + 10混合动力车行)使用一个随机完全区组设计根据情节安排三个复制分裂,水杨酸浓度的主要情节包括喷涂,而亚图则包括玉米基因型(自交系和杂交系),通过在半双列互交计划中引入一组玉米自交系和互交杂交系,以产生杂交系(优良)。结果表明,自交系Zm 6在春季穗行数和300粒重(0.27和1.48)、秋季早花方面均具有显著优势,两季籽粒产量综合配合力均最高(5.77和9.65)。水杨酸400 mg -1喷施在两个季节的所有性状上均显著优于水杨酸200 mg -1喷施,差异不显著。杂种特定配合力(SCA)对所研究性状的影响显著。BK116×ABS6杂交种对雌花早期开花的特异效应最高(-2.76)。对照处理Zm6×BK104在春季对300粒重和籽粒产量的比效最高(分别为13.84和50.12),而400 mg / l水杨酸喷施BK104×Inb27在秋季对比配合力的效果最高(72.11)。建议在两个季节施用200 mg L-1的水杨酸,选用一般配合力和特定配合力较好的自交系和杂交种。关键词:自交系,杂交种,SA, SCA, GCA
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Estimation of Combining Ability of Growth and Yield and Its Components of Maize under Salicylic Acid Concentrations
An experiment was carried out in the fields of Al-Hamidhyia research station - College of Agriculture / Anbar University to study the concentrations of salicylic acid (0, 200 and 400 mg L-1 ) and fifteen genotypes (5 lines + 10 hybrids) of maize using a randomized complete block design according to split plots arrangement at three replications, the main plots included spraying of salicylic acid concentrations, while the subplots include maize genotypes (inbreds and hybrids) in order to produce hybrids (superior) by introducing a group of inbreds and reciprocal hybrids of maize within half diallel reciprocal crosses program. The results showed that Zm 6inbred was significantly superior and gave the highest general combining ability of grain yield (5.77 and 9.65) for both seasons due to its superiority in the number of rows per ear and weight of 300 grains (0.27 and 1.48), respectively in the spring season, and early flowering in the autumn season. Also, the spraying of salicylic acid at 400 mgL-1 was significantly superior in all studied traits for both seasons, with non-significant differences with the spraying of salicylic acid at 200 mgL-1 .The effect of hybrids' specific combining ability (SCA) significantly affected the studied traits. The BK116×ABS6 hybrid had the highest specific effect on the early female flowering (-2.76). In contrast, the Zm6×BK104 hybrid with control treatment had the highest specific effect on the weight of 300 grains and grain yield (13.84 and 50.12), respectively, in the spring season, while the BK104×Inb27 hybrid with the spraying of salicylic acid at a 400 mgL-1 had the highest effect of the specific combining ability (72.11) in the autumn season. We recommend spraying salicylic acid at 200 mg L-1 and using superior inbreds and hybrids in general and specific combining ability in both seasons. Keywords: Inbred line, hybrid, SA, SCA, GCA.
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来源期刊
Revista Bionatura
Revista Bionatura Medicine-Epidemiology
CiteScore
0.50
自引率
0.00%
发文量
144
审稿时长
8 weeks
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