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Effect of pH Values on Hatching of Soybean Cyst Nematode(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2009年02期
Page:
275-277
Research Field:
Publishing date:

Info

Title:
Effect of pH Values on Hatching of Soybean Cyst Nematode
Author(s):
ZHENG Ya-nanDUAN Yu-xiSUN Jing-shuangCHEN Li-jie
Plant Protection College,Shenyang Agricultural University;Shenyang 110161,Liaoning,China
Keywords:
Heterodera glycinespHHatchStimulateInhibit
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2009.02.0275
Abstract:
Soybean cyst nematode is one of the major diseases affecting soybean production,and hatching is an important stage in its life circle.In order to research the most suitable pH values to hatching of soybean cyst nematode,the effects of five kinds of acids and two alkalis in different pH value on eggs hatching of Heterodera glycines were tested in laboratory.The results showed that:H2SO4?of pH 4.0,4.5,5.0,H2MoO4?of pH 5.0,5.5,5.0 ,NaOH of pH 8.0,8.5,9.0,pH 6.0 H3PO4and pH 9.0 KOH stimulated hatching of SCN,other treatments inhibited hatching of SCN.Hatching rate of pH 5.0 H2SO4and pH 9.0 KOH treatments were higher than other treatments.Their corrected hatching rates are 51.00% and 114.86%,incubation times are 14.33 and 20.00 days respectively.Thus,pH 5.0 H2SO4?and pH 9.0 KOH are the most suitable acidic and alkaline pH values respectively.

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Last Update: 2014-10-03