Fertilizer and water management
Banyan is a tree species that can adapt to floods and fertilizers and resist drought and humidity. It can grow in cracks and water. After the residual limb enters normal care, use it.
The decomposed human and animal manure or cooked cake fertilizer is used as topdressing, and topdressing 1-2 times a day. When transplanting or changing pots, cooked chicken manure, bean cake, bone meal and culture soil can also be mixed as base fertilizer. Sufficient fertilizer will make the branches grow fast and thick, thus shortening the culture period. Although banyan trees are drought-resistant and moisture-proof, the surviving banyan trees are not waterlogged for a long time, which is easy to cause only long roots and no branches. Water management should be dry and wet, and watered once in the morning and evening in dog days.
Maintenance modeling
Pruning is a means of banyan modeling. Pruning can make banyan trees beautiful. Pruning should be timely and suitable for trees. Banyan trees can be pruned all year round. In the actual maintenance modeling, cutting should be the main part, and combining should be the auxiliary part. It is advisable to cut once a year, and the vigorous ones can be cut twice until the branches are cut short and long.
Banyan bonsai
Cut the fork after it is thick.
The specific methods of pruning banyan trees include core removal, bud stripping, leaf picking, short cutting, branch shrinkage and branch thinning.
Pick a heart
Core picking can promote axillary bud germination, grow more branches, expand the crown, and inhibit the white growth of branches. The time and frequency of coring are closely related to tree species. Such as pine trees, it is advisable to remove about 2/3 of the bud center before the new bud germinates, but only a small piece is left at the base. Two lateral buds will grow here in the future, and new branches will grow in both directions. For evergreen broad-leaved trees and deciduous trees that are easy to branch, the leaf heart can generally be removed when the branch buds germinate and grow 2-3 leaves. When new branches and leaves sprout again, pick the heart in the same way. This repeated operation can achieve the purpose of making the crown full.
Sparse bud
Plant teeth, that is, trees, often sprout many buds at the same time during the germination season. In order to ensure the centralized supply of water and nutrients, it is necessary to keep good buds and remove unnecessary buds to form an ideal tree shape. For elm trees, such as trees with vigorous germination in the snow, we should pay more attention to erasing the buds that are not conducive to modeling at any time.
picking leaves
Leaf picking can promote the germination of new leaves. Some tree species, such as elm and Vitex negundo, can make the original big leaves smaller and more delicate by picking leaves. Some color wood species, such as Acer, pomegranate, etc., can make their leaves more colorful by picking leaves. Removing the leaves, because of removing the photosynthesis of these leaves, will make the stump lose a good opportunity to accumulate nutrients, and for some weak stumps, it may cause the plants to weaken or even die. So it's best to pick leaves from the vigorous stump.
short cut
The method of cutting off some annual branches is called short cutting. Short cutting can quickly improve the branching level of branches. Generally speaking, pruning the top layer of branches can make the appearance of trees more full. According to the number of cutting parts, short sections can be divided into short sections, medium short sections and heavy short sections. Generally, the top of the branch 1/5 is cut off from the short node, and the growth advantage of the top of the branch is removed to form more short branches and middle branches, so that the tree is fuller and the mother branch is thicker. Medium and short cutting generally refers to cutting off 1/2-3/5 at the top of branches to form more medium and long branches, which may promote the growth of branches. Re-cutting refers to retaining 1/5 of the branches, which can promote the growth of the cut 1-2 vigorous branches and is generally used to cultivate the main branches.
Shrinkage shear
The part where the perennial branches are cut off is called shrinkage shear. Shrinking branches is the main pruning method of Lingnan School's "keeping branches and cutting stems", which creates a variety of twists and turns, vigorous and powerful shapes such as "chicken feet branches" and "antlers branches". Shrinking and cutting can not only dwarf the tree shape, but also enhance the expressive force of branches, continuously shrink and cut branches and increase the level of bonsai.
Vermicelli basin
Banyan bonsai should not turn over pots frequently to avoid root rot. Generally, it is better to turn the pan once every 3-4 years, and it is better to turn the pan in late spring in April-May (it is generally not advisable to turn the pan in autumn and winter). At the same time, it is necessary to remove part of the soil and cut off old roots and rotten roots.
disease control
Pest control: Pests and diseases of banyan trees are relatively rare and occasionally destroyed by scale insects. If found, it should be brushed manually with a brush.
Huangshui
The young leaves are dark yellow and dull, the old leaves have no obvious change, the branches are small yellow-green, and the new buds don't contract long, indicating that there is too much watering. Take the flowers out of the pot and put them in a ventilated and cool place, and then put them back into the pot after the soil has dried itself.
Drought and yellow
Water-deficient yellow is different from water-deficient yellow. Water-deficient yellow withered or dried up at the tip or edge of leaves. Old leaves withered and fell off from bottom to top, but new leaves grew normally. Pay attention to watering your feet, and water them thoroughly.
Burning yellow
The sun shines directly on some shady flowers (such as chlorophytum, peacock arrowroot, Hosta, etc.). ) it is easy to cause the tip and edge of the leaf to wither, and yellow spots appear in the sunrise part of the leaf. Move to the shade.
insufficient light
If the leaves are left in the shade for a long time and there is not enough sunlight to form chlorophyll, the whole leaves will turn yellow and then fall off. Supplementing light can avoid this disease.
Fat yellow
The yellowing of flowers caused by excessive fertilization or high concentration is characterized by dry brown top of new leaves, generally thick, dull, uneven, brown old leaves and falling off. Fertilization should be stopped immediately, and some fertilizers should be washed carefully with a lot of cleaning.
Lack of fertilizer
It shows that the color of young leaves turns pale, yellow or light green, and the old leaves turn normal or gradually from green to yellow. Check the soil in the basin. If it is dry, change the soil, apply thin [2] fertilizer frequently at ordinary times, and pour some alum water in time.