Investigation and Prevention on Major Diseases and Pests of Pinus squamata Artificial Breeding Populations
In this paper the common diseases and pests of minimum population of Pinus squamata located 7 cultivated regions and surrounding original populations were surveyed and observed for 5 consecutive years.7 diseases and 8 pests species of Pinus squamata were reported in this paper.The diseases were Diplodia pinca,Cytospora pini Desm,Lophodermium pinastri,Didymosporina sp,Pestalotia funerea,Hypoderma desmazieri,Truncatella sp.The pests were Monochamus alternates Hope,Tomicus pinioperda (Linnaeus),Sicut pissodes,Dendrolimus houi Lajonquiere,Dasychira axutha Collenette,Dioryctria rubella Hampson and Pineus armandixola.The paper elaborated the occurrence of main plant diseases and insect pests,the common disease were Lophodermium pinastri,Diplodia pinca,Pineus armandixola and Dioryctria rubella Hampson.The heaviest damage was caused by Monochamus alternates Hope,Tomicus pinioperda and Sicut pissodes.The comprehensive control measures are put forward combined with the production practice,
Pinus squamatapest speciesdamage degreecomprehensive prevention and control measures