收获时间对6个茄子品种种子品质的影响

Q4 Biochemistry, Genetics and Molecular Biology Journal of Applied Horticulture Pub Date : 2020-12-25 DOI:10.37855/JAH.2021.V23I01.05
R. Tetteh, L. M. Aboagye, S. Boateng, R. Darko
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引用次数: 2

摘要

种子质量是作物生产和粮食安全的关键因素,特别是在气候变化导致不确定性增加的情况下。本研究在加纳东部邦索csir -植物遗传资源研究所的试验点,研究了采收时间对6个茄子品种(吉洛茄:Dwomo、Kpando、甜瓜茄:GH 3870、GH 3887、大茄:GH 1072、GH 4918)种子品质的影响。试验采用完全随机区组设计,设3个重复。6个茄子品种的果实在成熟(完全成熟)阶段收获,每周收获一次,为期8周,每次收获后提取种子。以百粒重、种子活力和发芽率为指标,以周为单位评价茄子品种的种子质量。结果表明,不同收获期各品种百粒重差异显著。各收获期gh1072的百粒重最高,Dwomo最低。6个品种首次收获时均未见萌发现象。所有品种的种子活力在成熟后6、7和8周均有所增强。生长活力和发芽率最高的品种是GH 1072,其次是GH 3870。结果表明,不同茄子品种的种子质量随收获时间的增加而增加,且品种间和品种内存在差异。
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Seed quality of six eggplant cultivars as influenced by harvesting time
Seed quality is a key factor in crop production and food security, particularly during the increasing uncertainty due to climate change. In this study, the effect of harvesting time on seed quality of six eggplant cultivars (Solanum gilo: Dwomo, Kpando, Solanum melongena: GH 3870, GH 3887, Solanum macrocarpon: GH 1072, GH 4918) was assessed at the experimental site of CSIR-Plant Genetic Resources Research Institute, Bunso, Eastern Region, Ghana. The experiment was arranged in a randomised complete block design with three replications. Fruits of six eggplant cultivars were harvested at the mature (fully ripe) stage and at weekly intervals for a period of eight weeks and seeds extracted after each harvest. Seed quality of eggplant cultivars was assessed by 100-seed weight, seed vigour and germination percentage at weekly intervals. The results showed a significant difference in 100-seed weight among all the cultivars at different harvesting times. GH 1072 had the highest 100-seed weight with the lowest being in Dwomo at all harvesting times. No germination was observed at first harvest among the six cultivars. Seed vigour increased at 6, 7 and 8 weeks after maturity in all the cultivars. The highest vigour and germination percentage were observed in GH 1072 followed by GH 3870. The results obtained indicates that seed quality of eggplant cultivars increases with harvesting time and vary within and among eggplant species.
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来源期刊
Journal of Applied Horticulture
Journal of Applied Horticulture Agricultural and Biological Sciences-Horticulture
CiteScore
0.90
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期刊介绍: The Journal of Applied Horticulture (JAH) is an official publication of the Society for the Advancement of Horticulture, founded in 1999. JAH is a triannual publication, publishes papers of original work (or results), & rapid communications and reviews on all aspects of Horticultural Science which can contribute to fundamental and applied research on horticultural plants and their related products. The essential contents of manuscripts must not have been published in other refereed publications. Submission of a manuscript to the Journal implies no concurrent submission elsewhere.
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