草业科学
草業科學
초업과학
PRATACULTURAL SCIENCE
2010年
2期
71-76
,共6页
褐斑病%预测模型%气象因子
褐斑病%預測模型%氣象因子
갈반병%예측모형%기상인자
brown patch%foresting model%meteorological factor
在匍匐翦股颖Agrostis stolonifera草坪上利用气象数据和病害发生数据,建立褐斑病Rhizoctonia solani发生期预测模型Y=1/[1+e~(5.179+0.346T-0.156RH)];褐斑病发病率预测模型x＝36.057-2.65T+0.615RH;褐斑病病情指数预测模型y＝26.39-1.872T+0.394RH.病情指数与发病率之间相关性显著,得出二者的线性回归模型为y=0.67x-1.303.
在匍匐翦股穎Agrostis stolonifera草坪上利用氣象數據和病害髮生數據,建立褐斑病Rhizoctonia solani髮生期預測模型Y=1/[1+e~(5.179+0.346T-0.156RH)];褐斑病髮病率預測模型x＝36.057-2.65T+0.615RH;褐斑病病情指數預測模型y＝26.39-1.872T+0.394RH.病情指數與髮病率之間相關性顯著,得齣二者的線性迴歸模型為y=0.67x-1.303.
재포복전고영Agrostis stolonifera초평상이용기상수거화병해발생수거,건립갈반병Rhizoctonia solani발생기예측모형Y=1/[1+e~(5.179+0.346T-0.156RH)];갈반병발병솔예측모형x＝36.057-2.65T+0.615RH;갈반병병정지수예측모형y＝26.39-1.872T+0.394RH.병정지수여발병솔지간상관성현저,득출이자적선성회귀모형위y=0.67x-1.303.
Based on information of meteorological and data of brown patch (Rhizoctonia solani) of Agrostis stolonifera, three models were established as follows: 1): the model for infecting time is Y=1/[1+e~(5.179+0.346T-0.156RH)]; 2) the model for disease incidence is x＝36.057-2.65T+0.615RH;3) the model for disease index is y＝26.39-1.872T+0.394RH. The disease incidence (x) was significantly correlated with the disease index (y) as the formula: y=0.67x-1.303.
