Hoja blanca of Prunus americana incidence in total is 20%-35%,among which the disease incidence of leaves is 10%-25% with disease index 10-25 in Hunan Province.

 
  • 布朗李葉枯病在湖南布朗李樹(shù)上一般株發(fā)病率為20%25~35%25,葉發(fā)病率10%25~25%25,病情指數10~25;
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan