Thursday, December 14, 2023
Sunday, February 4, 2024
Monday, September 12, 2022
引起苹果腐烂病的病菌的分生孢子主要靠()和()传播,从死组织()...
Friday, September 16, 2022
Wednesday, June 21, 2023
Thursday, November 9, 2023
Thursday, September 22, 2022
Saturday, June 17, 2023
Wednesday, September 14, 2022
Friday, September 16, 2022
Wednesday, April 10, 2024
Friday, February 23, 2024
Wednesday, April 10, 2024
Tuesday, January 2, 2024
Saturday, March 4, 2023
简述半子囊菌(Taphrinomycetes)、核菌(Sordariomycetes)、腔菌(Dothideomycetes)和盘菌子囊菌(Leotiomycetes)的鉴别特征。...
Sunday, February 26, 2023
葱白和韭黄是因为光照不足所引起的反常变化,不属于病害范畴。...
Sunday, February 4, 2024
樟子松疱锈病病原菌为()。A、德巴利腐霉B、瓜果腐霉C、茶藨生柱锈菌D、松芍柱锈菌...
Thursday, May 25, 2023
Monday, September 12, 2022
Wednesday, September 14, 2022