贵州望谟县板栗树上桑寄生科及槲寄生科植物调查

Study on Loranthaceae and Viscaceae Plants on Chestnut Trees in Wangmo County of Guizhou Province

对望谟县板栗树上寄生植物种类、植物特性、地理分布进行了调查研究。结果表明,望谟县板栗树上寄生植物有桑寄生科和槲寄生科2科;桑寄生科有鞘花属、离瓣寄生属、梨果寄生属、钝果寄生属,槲寄生科有槲寄生属;寄生种类有鞘花、离瓣寄生、红花寄生、桑寄生、毛叶钝果寄生、锈毛钝果寄生、棱枝槲寄生7个种,其中:离瓣寄生最严重。

A survey was conducted on the species,characteristics,and geographical distribution of parasitic plants on chestnut trees in Wangmo County.The results showed that there are two families of parasitic plants on chestnut trees in Wangmo County,namely Loranthaceae and Viscaceae.Loranthaceae includes Macrosolen(Blume)Reichb.,Helixanthera Lour.,Scurrula L.and Taxillus van Tiegh..Viscaceae includes Viscum L..There are 7 parasitic varieties,including Macrosolen cochinchinensis(Lour.)Tiegh.,Helixanthera parasitica Lour.,Scurrula parasitica L.,Taxillus sutchuenensis(Lecomte)Danser,Taxillus nigrans(Hance)Danser,Taxillus levinei(Merr.)H.S.Kiu and Viscum diospyrosicola Hayata.Among them,Helixanthera parasitica Lour.is the most severe.