Maintenance and production of Elm Bonsai

Elm, also known as home elm, elm money, spring elm, etc., known as "elm pimple", is a deciduous tree of Ulmaceae. It is often born in hillsides, valleys, Sichuan, hills and sand hills below 1000 to 2500 meters above sea level. The old stem stump has strong sprouting power and can be dug to make bonsai from the wild. It is of great ornamental value. Let's take a look at the conservation and production of elm bonsai.

Elm bonsai culture environment

Elm is a positive tree species, like light, drought, cold, barren, regardless of soil, strong adaptability, developed root system, strong resistance to wind and soil conservation, strong sprouting ability and resistance to pruning. Fast growth, long life, can withstand dry and cold climate and moderate saline-alkali, but not resistant to water and moisture (can withstand waterlogging in rainy season), anti-pollution, strong dust retention ability of leaves, and grow well in alluvial soil with deep, fertile and well-drained soil and Loess Plateau.

The making method of Elm Bonsai

1. Miaoyuan: most of the elm stumps are dug in the wild, and the wild stumps are strange and changeable in posture, winding, ancient and lovely, fast shaping and high ornamental value.

2. Pots: the best planting time is from February to March in spring, and it can also be carried out in autumn. The roots and branches should be pruned before planting. Pot soil uses loose and fertile pastoral soil or rotten leaf soil, which is beneficial to root development. Bonsai basin should use purple sand pottery basin or glazed pottery basin, the shape is mainly rectangular and oval, and the bonsai color is better in plain color.

3. Modeling: the shape of elm should be cut, cut and used at the same time. According to the basic form of the old pile, many kinds of styles can be made, such as straight dry type, curved dry type, inclined dry type, horizontal dry type or cliff type and so on. Because of its developed root system, it can also be made into root-lifting type or stone-attached bonsai. The elm branches are soft and can be tied into a variety of bonsai styles. The branches and leaves of Yucun are resistant to pruning, so they can be cut into clouds, or they can be cut into the desired shape according to the creative intention of the producer.

Maintenance technology of elm bonsai

1. Strengthen the light: Elm trees like light, and only where there is plenty of sunshine can they grow well and healthily. Such as lack of light, its slow growth, thin branches, long leaf spacing, light leaf color, few and weak whisker roots, but also easy to lead to insect pests.

2. Control humidity: Elm trees like to be born in wet places, but they are also afraid of water stains, so they should be watered thoroughly and should be watered once in the morning and evening in the middle of summer. In case of waterlogging in the basin, it should be dredged as soon as possible.

3. Proper fertilization: the peanut cake can be roasted into water and liquid fertilizer, or it can be broken into thumbs and buried in the soil, combined with some compound flower fertilizer. Fertilization should be applied once in early spring and early autumn, not more.

4. Pruning in time: the sprouting power of elm is very strong, and the three group leaders are also very fast. If there is no pruning, it will make the pile scenery lose its ornamental value. Pruning and plastic surgery can be carried out in autumn. First cut off useless branches and diseased branches, and then prune them according to the molded or molded posture.

5. Prevention and control of diseases and insect pests: the common leaf-eating pests on elm trees are elm moth, green-tailed silkworm moth, elm moth, golden flower beetle, shell beetle, longicorn beetle and so on. Spray 2500 to 3000 times of 20% fenvalerate EC or 2000 times of 20% fenvalerate EC during the peak period of larvae.