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THE INFLUENCES OF DIFFERENT RESISTANT SOYBEAN CULTIVARSON THE DYNAMICS OF HE TERODERA GLY CINES(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2002年02期
Page:
109-112
Research Field:
Publishing date:

Info

Title:
THE INFLUENCES OF DIFFERENT RESISTANT SOYBEAN CULTIVARSON THE DYNAMICS OF HE TERODERA GLY CINES
Author(s):
Wu Haiyan 　Duan Yuxi　Chen Lijie 　Lu Weizhi
Shenyang Agricultural University , Plant Protection College , Shengyang , 110161
Keywords:
Resistant cultivars ; Soybean cy st nematode ; Dynamics ;  Heterodera glycines
PACS:
S565.034
DOI:
10.11861/j.issn.1000-9841.2002.02.0109
Abstract:
The dynamics betw een the dif ferent resistant soybean cultivars and the population of soy bean cystnematode (Heterodera glycines SCN)were studied in this paper .The result s showed that different resistantcultivars had dif ferent influences on the population of H .glycines .The numbers of second -stage juveniles(J2)in the rhizosphere of Liaodou 10 , susceptible cultivar , reached the highest peak , 60 .4 J2 in the 100 cm3 soil , on24 , May .For the resistant cultivar has the same trend of J2 in the rhizosphere of Peking and in the fallow land .The cyst population of SCN had a peak on 6 , June , 23 .3 cysts in 100 cm3soil for Liaodou 10 .There w as a peakof J2 in the root of soybean on 24 , May for the resistance cultivars PI90763 , Harbin small black soybean ,Ying xian small black soybean and Franklin .From the dy namics of J2 , J3 and J4 , Liao K89102 was show edagainst the invasion of SCN , PI90763 w as resistant to development of SCN , Liaodou 10 and Kaiyu 10 w eresusceptible cultivars .

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Last Update: 2016-12-30