杜金池 程永雄 黃杉茋
關鍵字：白絹病菌Athelia rolfsii（＝Sclerotium rolfsii）、菌核Sclerotia
Effects of Solar Energy and Green Manures on the Control of Southern Blight of Tomato
C. C. Tu, Y. H. Cheng & S. C. Hwang
For effective controlling southern blight of tomato, planting row was covered with transparent plastic sheet before planting. The temperature under soil surface 5 cm in depth can increase 12℃ after covering ;with plastic sheet and the temperature keeps on 40℃ or more for 119 hours during the detecting period while the control plot without any treatments never reaches 40℃ the highest and the lowest temperature of soil were 51℃ and 27℃ at the treatment of covering with plastic sheet, respectively, were 39℃ and 23℃ for the control plot without any treatments.
Before transplanting, planting row was covered with plastic sheet can get good result for the control of southern blight of tomato. The sclerotia of Sclerotium rolfsii can’t survive in the soil surface and soil under soul surface 5 cm in depth, and no diseased plants are found. However, the treatment of plant row amended with green manure and covered with plastic sheet is better for controlling southern blight than treatment of plastic sheet covering only.
Key words: Athelia rolfsii (= Sclerotium rolfsii)