Influence of Xanthomonas euvesicatoria on quality parameters of pepper seed from Serbia

Pesticidi I Fitomedicina Pub Date : 2023-01-01 DOI:10.2298/pif2301001z

Ivana Živković, R. Iličić, G. Barać, J. Damnjanovic, D. Cvikic, N. Trkulja, Tatjana Popovic-Milovanovic

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Abstract

The present study focused on detecting bacteria of the Xanthomonas spp. complex (X. euvesicatoria, X. vesicatoria, X. perforans and X. gardneri) and examining their influence on certain quality parameters of pepper seed collected from the territory of Smederevska Palanka (Serbia). The analysis included 27 non-commercial pepper seed genotypes (including chili and sweet pepper) collected in 2021. Several parameters of the quality of analyzed pepper seed (germination energy, total germination, moisture and seed health) were determined. The results showed that out of a total of 27 analyzed samples of pepper seed, the presence of X. euvesicatoria was detected in 13 of them. The presence of X. vesicatoria, X. gardneri and X. perforans was not confirmed. Germination energy of infected seed was 52-84%, and of bacteria-free seed 63-90%; total germination of infected seed was 66-91%, and of bacteria-free seed 80-95%. Seed moisture of infected seed samples was 6.1-12%, and of bacteria-free seed 6.2-8.1%. These parameters did not show significant statistical difference (p>0.05). The presence of seed-borne fungi Fusarium sp. accounted for up to 3% in 25 samples, while it was up to 6% in the remaining two; Alternaria sp. ranked from 1-4% in 25 samples, and up to 5% in only two samples. The results led to a conclusion that the bacterium X. euvesicatoria is the predominant pathogen of the Xanthomonas spp. complex, but it did not affect the quality parameters of the tested pepper seed.

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辣椒黄单胞菌对塞尔维亚辣椒种子品质参数的影响

本研究对采自塞尔维亚斯梅代夫斯卡帕兰卡地区辣椒种子的黄单胞菌(Xanthomonas spp. complex) (X. euvesicatoria、X. vesicatoria、X. perforans和X. gardneri)进行了细菌检测，并考察了它们对辣椒种子某些品质参数的影响。该分析包括2021年收集的27种非商业辣椒种子基因型(包括辣椒和甜椒)。测定了所分析辣椒种子的发芽能、总发芽率、水分和种子健康等质量参数。结果表明，在27份辣椒种子样品中，有13份样品中检出了绿僵菌。没有确定是否存在膀胱x线虫、加德纳x线虫和穿孔x线虫。感染种子萌发率为52 ~ 84%，无菌种子萌发率为63 ~ 90%;感染种子总发芽率为66-91%，无菌种子总发芽率为80-95%。感染种子样品的水分为6.1 ~ 12%，无菌种子样品的水分为6.2 ~ 8.1%。两组间差异无统计学意义(p < 0.05)。25份样品中镰刀菌的存在率高达3%，其余2份样品中镰刀菌的存在率高达6%;在25个样本中，交替孢属的排名在1-4%之间，只有两个样本的排名高达5%。结果表明，辣椒黄单胞菌复合体的主要病原菌为葡萄球菌，但对辣椒种子的质量参数没有影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Pesticidi I Fitomedicina

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4 weeks