论文部分内容阅读
对氧化乐果在不同树种体内的输导部位、输导速度、输导量的差异以及影响其输导的诸要素进行了研究。结果表明 ,氧化乐果在树体内的输导是随着树液在木质部的导管或管胞中进行的 ,不同的树种输导部位有差异 :在梧桐和槐树中 ,药液的输导仅局限于最外层年轮 ,输导面积小 ;在杨树、七叶树、油松和侧柏中 ,药液的输导是在整个木质部中进行的 ,输导面积大。同时 ,药剂在不同树种中的输导量、输导速度是不同的 :输导速度大小为国槐 >青桐 >杨树 >七叶树 >油松 >侧柏 ;输导量大小为杨树 >七叶树 >国槐 >青桐 >油松 >侧柏。另外 ,药液的输导速度还与温湿度、蒸腾作用、药剂的酸碱性及树木的解剖结构等因素有关
The effects of omethoate on the site of conduction, the speed of conduction, the difference of the transmissibility and the factors influencing the delivery of omethoate in different species were studied. The results show that omethoate in the tree is transported with the sap in the xylem conduit or tracheids, different species of the different parts of the transmission: Sycamore and Ash tree, the liquid medicine only Confined to the outer ring, the guiding area is small; in poplar, horse chestnut, pine and Arborvitae, the liquid medicine is carried out throughout the xylem, the conduction area. At the same time, the transmissibility and transport velocity of the medicinal plants in different tree species were different: the speed of the transpiration was Poplar> Geotone> Populus> Buxus> Pinus tabulaeformis> Platycladus orientalis; the transpiration was Poplar> Buckeye> Sophora japonica> Qingtong> Pinus tabulaeformis> Platycladus orientalis. In addition, the speed of liquid medicine is also related to the temperature and humidity, transpiration, pharmaceutical acid-base and the anatomy of trees and other factors