How to raise Populus tomentosa Bonsai Culture methods and matters needing attention

The main producing area of Populus tomentosa is in China. At present, it is distributed in many parts of our country. Now many people plant boxwood in pots for bonsai viewing. However, if you want to have a high ornamental value, the method of breeding is also very important. If you do not master it, it is likely to cause poor growth or death of boxwood bonsai.

How to raise boxwood bonsai

The main results are as follows: 1. The fertilizer varieties should be determined according to the different growth periods of Populus tomentosa. More phosphate fertilizer should be applied in the seedling stage, nitrogen fertilizer should be applied in the growing period, and potash fertilizer should be applied before the growth stops in autumn. In addition, the specific amount of fertilization is calculated according to the period, generally speaking, it increases gradually to the growing period, and then decreases.

2. It is usually carried out once every 2-3 years, and the time is better before germination in spring. Combined with turning the basin to cut off part of the old roots and over-long and dense roots, replace the old soil and plug it with fertile and loose culture soil to facilitate the root system development.

Methods and matters needing attention of Poplar Bonsai Culture

1. Culture methods:

1. Watering. Huang Yang likes to be moist, and bonsai needs to be watered frequently to keep the basin soil moist, but not stagnant water. During the high temperature in summer, water should be watered and foliar water should be sprayed in the morning and evening.

2. Fertilization. During the growing period from May to August, the rotten thin cake fertilizer and water should be applied for 2 or 3 times, and the base fertilizer should be applied once in winter, either with compost or dry cake manure.

3. Pruning. Cut off overgrown branches, overlapping branches and extra branches that affect the shape of the tree at any time during the growing period. Populus tomentosa sprouts faster, generally after sending new shoots, the first 1-2 nodes will be cut off to prevent overgrowth. After fruiting, boxwood should be picked in time so as not to consume nutrients and affect the growth of trees.

2. points for attention:

The fertilizer varieties should be determined according to the different growth periods of Populus tomentosa, more phosphate fertilizer should be applied at the seedling stage, more nitrogen fertilizer should be applied during the growing period, and more potash fertilizer should be applied before the growth stops in autumn. In addition, the specific amount of fertilization is calculated according to the period, generally speaking, it increases gradually to the growing period, and then decreases.

How to promote Bud by Poplar Bonsai

1. Promote bud according to growth habit. Huang Yang is particularly afraid of strong light, so in the process of cultivating boxwood bonsai, we must pay attention to that there can only be astigmatism and can not let it come into direct contact with the sun. Yellow poplar like fertilizer, you can spray an appropriate amount of nitrogen fertilizer on its leaves all the year round, but the concentration needs to be lower, you need to pay attention to watering boxwood at ordinary times, you can add some trace nitrogen fertilizer, so the glossiness of the leaves will be very good, very beautiful.

2. The method of promoting bud. In fact, it is very simple, and the raw material used is also very cheap, that is, gibberellin, that is, 920. The dosage should be determined according to the aging degree of the yellow poplar stalk. In serious cases, you can use a dose with a higher concentration, usually 1000 times the effect, and then dilute it with water after boiling with alcohol, so that you can use medicine. Use a brush to evenly smear where you need to promote buds, once a day, and you can grow new buds two or three times in accordance with this method.

Common diseases and insect pests of boxwood bonsai and their control

1. Peach aphid. Prevention and control methods: protect ladybugs, lacewings and other natural enemies. You can choose 20% chrysanthemum EC 2000 times or 2000 to 3000 times imidacloprid powder spray.

2. Leaf spot. Prevention and treatment methods: select robust disease-free seedlings for planting. From the first ten days of June to July, 50% carbendazim or 75% chlorothalonil and 50% carbendazim wettable powder were sprayed for prevention and reduce the incidence of disease, once every 10 to 15 days, three times in a row. The fallen leaves will be cleared and burned in winter.

Populus tomentosa bonsai can generally start from its growth habits, and the management of temperature and light must be strengthened. In the later stage of breeding, timely pruning and pest control are needed. Only by doing a good job can boxwood grow well.