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20240823232200.0 |
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240301s2024 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-10-23-2202-RE
|2 doi
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|a pubmed24n1510.xml
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|a (DE-627)NLM369123352
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|a (NLM)38422438
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Ren, Haohao
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Identification and Biological Characterization of a New Cyst Nematode, Heterodera glycines sbsp.n. tabacum, Parasitizing Tobacco in China
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| 264 |
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|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 22.08.2024
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|a Date Revised 22.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a In an investigation of diseases from plant-parasitizing nematodes in Henan Province, a cyst nematode was found on tobacco roots and in rhizosphere soil. We identified this strain as a new cyst nematode subspecies, Heterodera glycines sbsp.n. tabacum. The cysts and second-stage juveniles (J2s) parasitizing Henan tobacco were larger than those of H. glycines. A single 345-bp fragment was amplified from H. glycines sbsp.n. tabacum, whereas the 345- and 181-bp fragments were amplified from the soybean cyst nematode. Thus, H. glycines sbsp.n. tabacum was distinct from H. glycines. There were base transversions at 504 sites and base transitions at 560, 858, 920, and 921 sites in the rDNA-ITS sequences of H. glycines sbsp.n. tabacum compared with H. glycines, and there were base transitions at 41, 275, 278, and 380 sites in the mtDNA-COI sequences. In the phylogenetic tree based on the rDNA-ITS and mtDNA-COI regions, H. glycines sbsp.n. tabacum was clustered on a single branch. Based on the randomly amplified polymorphic DNA (RAPD) technique, sequence characterized amplified region (SCAR)-PCR primers were designed. A single 1,113-bp fragment was amplified by specific primers (HtF1/HtR1) from H. glycines sbsp.n. tabacum, while no fragments were obtained from H. glycines. The H. glycines sbsp.n. tabacum can infect soybean plants but cannot complete its life cycle on soybean. Eleven tested tobacco cultivars were infected, with an average reproduction factor (Rf) of 9.74 and a maximum of 64.2 in 'K326'. The cumulative egg hatching rate of H. glycines sbsp.n. tabacum in the presence of tobacco root exudates was 42.6% at 32 days posthatching, which was significantly greater than that in the presence of soybean root exudates (30.3%) or sterile water (33.1%). In summary, the cyst nematode population parasitizing Henan tobacco was identified as a new subspecies, H. glycines sbsp.n. tabacum
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|a Journal Article
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|a Heterodera glycines
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| 650 |
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|a SCAR-PCR identification
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|a nematode hatching
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| 650 |
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|a tobacco cyst nematode
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| 650 |
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|a DNA, Ribosomal
|2 NLM
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| 650 |
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|a DNA, Mitochondrial
|2 NLM
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| 700 |
1 |
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|a Chen, Kunyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Xiangkui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Rongchao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kang, Xiaobo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chang, Fujie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peng, Deliang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Shijun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cui, Jiangkuan
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 108(2024), 8 vom: 01. Aug., Seite 2389-2398
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:108
|g year:2024
|g number:8
|g day:01
|g month:08
|g pages:2389-2398
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS-10-23-2202-RE
|3 Volltext
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|a AR
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|d 108
|j 2024
|e 8
|b 01
|c 08
|h 2389-2398
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