A study of correlations and path analyses of some traits in sunflower parental lines

Q4 Biochemistry, Genetics and Molecular Biology Ratarstvo i Povrtarstvo Pub Date : 2021-01-01 DOI:10.5937/RATPOV58-26782
V. Radic, I. Balalić, G. Jaćimović, M. Krstić, M. Jocković, S. Jocić
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引用次数: 3

Abstract

The trial in this study was carried out in field conditions throughout three years from plots where seed production of sunflower parental lines was established. Eight genotypes were examined; namely RHA-UK, RHA-ST-59, RHA-SES-IMI, RHA-SNRF, RHA-E-ANN-65, RHA-RU-3, RHA-CDN, and RHA-N-M-1. All the examined genotypes are parental components of the best sunflower hybrids developed by the Institute of Field and Vegetable Crops, Novi Sad, Serbia. Relationships between seed yield and eight different traits in sunflower were studied - oil and protein content, seed germination, 1000-seed weight, head diameter, number of branches and leaves and plant height. The same analyses were carried out for comparison of oil content. A highly significant positive correlation was determined between plant height and number of branches; plant height and the number of leaves; plant height and head diameter; plant height and seed yield; number of branches and yield; the number of leaves and yield; head diameter and seed yield; number of leaves and number of branches; number of leaves and head diameter and between seed germination and oil content. Path analysis indicated highest significant direct effect of plant height on yield (0.439**). The number of branches had a significant positive direct effect on yield (0.260*). In the study of indirect effects on yield, thirteen significant effects were determined. The study of direct effects on oil content showed that the plant height and number of leaves diameter had high significant effects (0.800** and -0.847**). The existence of indirect significant effects on oil content was determined in nine cases.
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向日葵亲本系部分性状的相关关系及通径分析
本研究在向日葵亲本系种子生产建立的地块上进行了为期三年的田间试验。检测了8种基因型;即rhaa - uk、rhaa - st -59、rhaa - ses - imi、rhaa - snrf、rhaa - e - ann -65、rhaa - ru -3、rhaa - cdn和rhaa - n - m -1。所有检测的基因型都是塞尔维亚诺维萨德大田和蔬菜作物研究所培育的最好的向日葵杂交品种的亲本成分。研究了向日葵种子产量与籽粒含油量、蛋白质含量、种子发芽率、千粒重、穗粗、枝叶数、株高等8个性状的关系。对含油量的比较进行了同样的分析。株高与枝数呈极显著正相关;株高和叶数;株高和穗直径;株高和种子产量;枝数和产量;叶数和产量;穗直径和种子产量;叶数和枝数;叶数与头直径之间以及种子萌发与含油量之间。通径分析表明,株高对产量的直接影响最高(0.439**)。枝数对产量有显著的正直接影响(0.260*)。在对产量间接影响的研究中,确定了13个显著影响。对含油量的直接影响研究表明,株高和叶径对含油量的影响非常显著(分别为0.800**和-0.847**)。在9个案例中,确定了对含油量存在间接显著影响。
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来源期刊
Ratarstvo i Povrtarstvo
Ratarstvo i Povrtarstvo Agricultural and Biological Sciences-Soil Science
CiteScore
0.80
自引率
0.00%
发文量
4
审稿时长
4 weeks
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