Wednesday, June 14, 2023
Tuesday, February 7, 2023
Thursday, August 14, 2025
问题:病原物致病的主要因素有病原物分泌的酶、()、生长调节物质。...
Sunday, July 28, 2024
Wednesday, July 30, 2025
Wednesday, July 30, 2025
Thursday, August 29, 2024
Friday, February 23, 2024
Monday, September 12, 2022
Tuesday, November 12, 2024
Tuesday, December 3, 2024
Sunday, February 4, 2024
Thursday, August 14, 2025
Monday, September 30, 2024
Friday, February 23, 2024
问题:小麦白粉病和条锈病的病征分别是粉状物(粒状物)、()...
Friday, February 23, 2024
问题:为防止梨锈病的严重发生梨园与桧柏的距离一般不得小于()。...
Friday, September 23, 2022
Sunday, February 4, 2024
Friday, September 27, 2024
问题:病毒病的病症()和()、畸形、生长停滞病状类型。...
Thursday, August 14, 2025