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National Chung Hsing University Institutional Repository - NCHUIR > 農業暨自然資源學院 > 農業暨自然資源學院 > 依資料類型分類 > 期刊論文 >  Control of apothecia of Sclerotinia sclerotiorum by soil amendment with S-H mixture or Perlka (R) in bean, canola and wheat fields

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/134598

標題: Control of apothecia of Sclerotinia sclerotiorum by soil amendment with S-H mixture or Perlka (R) in bean, canola and wheat fields
作者: Huang, H.C.;Erickson, R.S.;Phillippe, L.M.;Mueller, C.A.;Sun, S.K.;Huang, J.W.
黃振文
關鍵字: apothecia;ascospores;bean;canola;wheat;carpogenic germination;sclerotia;Sclerotinia sclerotiorum;soil amendment;calcium cyanamide;S-H mixture;white mold;diseases;rot;epidemiology;biology
日期: 2006
Issue Date: 2012-12-14 10:57:59 (UTC+8)
關連: Soil Biology & Biochemistry, Volume 38, Issue 6, Page(s) 1348-1352.
摘要: Ascospores of Sclerotinia sclerotiorum produced from apothecia are the primary source of inoculum for causing diseases such as white mold of common bean, pod rot of pea, stem blight of canola and head rot of sunflower and safflower in the Canadian prairies. A field study was conducted for 4 years to determine efficacy of control of production of apothecia from carpogenically germinated sclerotia of S. sclerotiorum by soil amendment with Pertka((R)) (calcium cyanamide) and S-H mixture (a formulated compound). Results of the 4-year experiments showed that amendment of soil with Perlka((R)) at low (30 g/m(2)) or high (60 g/m(2)) rate was effective in reducing carpogenic germination of sclerotia and production of apothecia under the canopy of host crops (common bean and canola) and a non-host crop (wheat). In the experiments of 1988, for example, the numbers of apothecia produced in the treatments of Perlka((R))-low rate (30 g/m(2)), Perlka((R))-high rate (60 g/m(2)) and untreated control were 42, 46, and 182 apothecia/plot (m(2)), respectively, for bean; 89, 42, and 318 apothecia/plot (m(2)), respectively, for canola; and 146, 143, and 412 apothecia/plot (m(2)), respectively, for wheat. However, soil amendment of S-H mixture at low (30 g/m(2)) or high (60 g/m(2)) rate was ineffective in reducing carpogenic germination of sclerotia and production of apothecia for all the 4 years of testing in all three crops. The ineffectiveness of S-H mixture and the practicality of Perlka((R)) for control of Sclerotinia diseases of crops grown under Canadian prairie conditions are discussed. (c) 2005 Elsevier Ltd. All rights reserved.
Relation: Soil Biology & Biochemistry
Appears in Collections:[依資料類型分類] 期刊論文
[依教師分類] 黃振文

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