Airiti Library華藝線上圖書館 | 食品添加物合法業者資訊網

由葉士財著作·2011—...scab(Pestalotiopsispsidii)；Phytophthorafruitrot(Phytophthoranicotianae...病（Colletotrichumgloeosporioides）、瘡痂病（Pestalotiopsispsidii）、黑星 ...

The guava is an important economic fruit trees in central Taiwan. The anthracnose (Colletotrichum gloeosporioides), scab (Pestalotiopsis psidii), black spot (Phyllosticta psidiicola) and Phytophthora fruit rot (Phytophthora nicotianae var. parasitica) are four important fruit diseases during cultivated period. In this study, the occurrence of scab and Phytophthora fruit rot of guava fruit diseases were investigated, and control fungicides were screened in the laboratory and field for control guava fruit disease. The results showed that the scab was major disease. during July. to Nov. cmber The Phytophthora fruit rot was epidemic between Aug. and October in the heavy rainfall period. The optimal growth temperature for mycelial growth of pathogen of fruit scab is from 15 to 30℃. Difference fungicides were tested for their inhibitory effect on P. psidii and P. nicotianae var. parasi...