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The birthplace of Juniper Blue Alps, or Juniperus chinensis "Blue alps", is the territory of northeastern China, Manchuria, Japan and North Korea. The plant is widely used for decorating hedges, in solitary or group plantings.
"Blue Alps" refers to the category of rather large plants, which in adulthood can reach a height of 4-4.5 m or more. A characteristic feature is the presence of very powerful skeletal branches and a compact, attractive crown. Shoots hang down a little. Needles of hard type, with thorns, up to a centimeter long. The main color of the needles is silver-bluish.
Juniper "Blue Alps" is a very photophilous and frost-resistant conifer and has always been praised not only by professional landscape designers, but also by domestic gardeners.
The description of the plant declares the need for simple planting care. However, it should be remembered that cultivation in sunny and warm areas is optimal. Juniper prefers stony and sandy soils, and also grows well on fairly fertile and drained soils.
Landing and care
Juniper "Blue Alps" should be planted in areas well-lit and warmed by the sun. Particular attention should be paid to indicators and the qualitative composition of the soil. It is advisable to use loamy or sandy loamy soils with sufficient nutrition and good moisture for planting.
If there are clay and heavy soils on the site, a nutrient mixture represented by garden soil, peat, sand and loose soil with spruce needles should be added to pre-prepared landing pits. Pre-laid drainage layer of broken brick. Very good results are observed when planting juniper seedlings in a nutrient mixture based on two parts of turf soil, two parts of humus, two parts of peat and part of building sand with the addition of 0.15 g of Kemira fertilizer and 0.30 g of nitrophoska.
The size of the planting pits directly depends on the volume of the root system of the planted juniper. Usually, the average pit size for landing is at least 0.6 × 0.8 m. Immediately after planting in a permanent place in the open ground, the plants should be abundantly watered and shaded from the negative effects of direct sunlight to complete survival. Further care for the Blue Alps variety consists in observing simple measures that are very important for the growth and development of conifers: watering, weeding, shallow loosening and systematic feeding.
Juniper "Blue Alps": features of the variety
Combination with other plants
"Blue Alps" perfectly acts as a highly decorative garden bonsai. Also, Chinese junipers are very well suited for the formation of hedges. On lawns, this representative of Conifers is very often used as the main accent in the composition of ornamental plants and stone. An excellent solution is to create a single composition from a variety of conifers. Such decorative plantings look great on garden plots and personal plots, in forest park areas, as well as in recreational areas.
The high decorativeness of Chinese juniper is a good choice for the design of young gardens and new territories. Group planting of several conifers allows you to fill the voids in the landscape as quickly as possible and creates a composition characterized by high decorativeness.
Major diseases and their treatment
Juniper "Blue Alps" is an unpretentious plant that is not afraid of open areas and cold winds. Such plants are notable for low soil composition, but need good lighting. Any malfunction or breach of planting rules reduce the immunity of the plant and often cause juniper diseases.
|Name of disease or pest||Pathogen||Signs of defeat||Treatment methods|
|Tracheomycotic wilt or fusarium||Fusarium oxysporum and Fusarium sambucinum||Decay of the root system, yellowing and redness of needles, death of the plant||Etching of seedlings with Bactofit, Vitaros or Maxim. Preventive treatment with 0.2% Fundazole solution|
|Rust||Gymnosporangium confusum, G. juniperinum, G. sabinae||The appearance of spindle-shaped thickenings, the death of skeletal branches, drilling and shedding of needles||There is no treatment, therefore it is advisable to destroy diseased or diseased plants|
|Branch drying||Cytospora pini, Diplodia juniperi, Hendersonia notha, Phoma juniperi, Phomopsis juniperovora, Rhabdospora sabinae||Drying of the aerial parts of the plant, gradual death of the conifer||Preventive treatment with 1% Bordeaux fluid, Abiga-Peak or HOM|
|Alternariosis||Alternaria tenuis||The appearance of a black velvety plaque on the branches and needles||Preventive treatment with 1% Bordeaux fluid, Abiga-Peak or HOM|
|Brown shute||Herpotrichia juniperi I.N. nigra||The needles turn brown and dry, and the thin branches die off||Preventive treatment with 1% Bordeaux fluid, Abiga-Peak or HOM|
As a rule, young or weakened junipers are most often affected by diseases and pests.
No lesser problems are plant parasites. The category of the most dangerous pests for juniper include spider mites, defeat which threatens the plant with a complete loss of decorativeness. As a prophylactic and therapeutic agent, the preparation "Karate" is used, bred at the rate of 25 g per 5 liters of water. Also, a defeat is often observed with a mining moth, aphid and scale, against which Decis, Fitoverm and Karbofos should be used.
Juniper: planting and care
It is important not to neglect the annual pruning of juniper, as well as strictly observe the agricultural technology of growing coniferous ornamental crops. In this case, the plant will please with an attractive appearance and longevity.