Aucklandia is an excellent tree species used in traditional scaffolding greening, especially famous for its floral fragrance.

[Morphological characteristics]

Semi-evergreen climbing shrub with slender branches, green, smooth and few thorns. 3 ~ 5 leaflets, 7 leaflets, dark green and shiny surface, stipules linear, off the petiole, flowers are often white and fragrant, pedicels are slender, and 3 ~ 15 flowers are arranged in umbels. Fruit subglobose, red. The flowering period is April-May, and the fruiting period is 9-65438+ 10 (see color map 136).

Cultivated varieties and varieties are:

White flower of Aquilaria sinensis, single.

Double bergamot flower.

Aucklandia flava single flower, yellow.

Double-petalled costustoot.

Also cultivated is Lysimachia christinae, with large flowers, 5-6 cm in diameter, single or two flowers, double petals and white.

[distribution]

Originated in southwest China, it is widely cultivated in Shaanxi, Gansu, Shandong and other provinces.

[habit]

Subtropical tree species, like light and warmth, have strong adaptability and are not strict with soil requirements. Both neutral soil and slightly acidic yellow soil can grow, especially sandy soil with good drainage. The cold tolerance is not strong, so Beijing must choose the place where the lee is sunny. Strong germination ability, pruning resistance and rapid growth. It is easy to draw arched long branches, and the long branches can densely produce short flower branches in the second year.

[Propagation, Cultivation and Maintenance]

Cutting, layering and grafting propagation. Cuttings are usually carried out in early June, 5438+February, and branches that grow vigorously in that year are selected as cuttings. Cut into 10 ~ 20 cm long cuttings. After cutting, it should be covered with cold protection. Softwood cutting can be carried out in rainy season. Layering should be carried out from early spring to early summer, and layering should be engraved in the buried part. Grafting: Rosa roxburghii or Ten Sisters are selected as rootstocks, and cuttings are carried out indoors from June 65438+February to June 65438+1October in the following year or in the open field from February to March.

The cultivation and management of Radix Aucklandiae is simple, bare roots can be transplanted during dormancy, and vines can be strongly pruned when transplanted. In order to control the tree shape, proper pruning is needed in winter. And remove dense branches and delicate branches to facilitate ventilation. If we can pay attention to fertilization, flowers will multiply and shade.

The main pests and diseases are: black spot of radix aucklandiae, powdery mildew, aphids, etc. Prevention and control methods: ① Spray Bordeaux mixture or carbendazim during the onset period, and spray triadimefon on powdery mildew. ② Spraying omethoate and other chemicals at aphid stage.

[Appreciation and Application]

There are ten thousand woody plants with clear fragrance. People in white are like fragrant snow, and people in yellow can wear brocade. Gardens are mostly used for vertical greening of scaffolding, lattice walls, hedges and rock walls. It is also suitable for planting lawns, roadside corners and forest slopes alone.