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If you are sick, it is recommended to spray the medicine twice at the green fruit stage and once at the ripening stage.
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It is estimated to be a disease, and spraying fungicide in June helps.
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The changes of the four seasons of the persimmon tree are as follows:
Persimmon tree in spring, will grow young shoots, the young bud leaves are slightly curled, the back layer of down, the whole leaf color is light, tender and lovely.
In summer, the leaves of the persimmon tree will become stretched and strong, and you can see the small persimmons from it.
In autumn, the leaves of the persimmon tree will slowly turn red, and the persimmons will begin to ripen and turn yellow, ready to be picked and eaten.
In winter, the leaves of the persimmon trees will begin to wither, and only the strong branches will stand proudly in the cold wind.
Introduction of persimmon:
Persimmon is a persimmon plant, deciduous tree, native to East Asia, has been cultivated in China for more than 3,000 years, not only rich in nutrition, but also has high medicinal value and economic value.
A variety of active substances in persimmon, can be widely used in medicine, health care and cosmetics and other fields, persimmon, dried persimmon cake, persimmon cream, persimmon pedicle, persimmon leaves are very good medicines, persimmon lacquer is a good preservative, persimmon wood can be used as carving materials, furniture materials, decorations.
Persimmon tree has strong adaptability, can grow in mountainous areas with poor natural conditions, and after autumn, persimmon leaves are bright and pleasant, and have a good ornamental effect.
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The persimmon tree is a kind of fruit tree that likes the sun, is drought-tolerant, and has strong adaptability to the limbs, but there are also many growers who find that although the persimmon tree blooms and bears fruit, it does not bear fruit or does not bear fruit well, why is this? Let's take a look at the reasons why persimmon trees don't bear fruit.
Soil problems. Persimmon trees have relatively high requirements for soil, especially pH. Too high or too low soil acid will affect its nutrient uptake, growth and development, which in turn will affect the fruit.
Therefore, before planting persimmon trees, the soil needs to be tested to ensure that its pH and nutrient content are within the appropriate range.
Climatic factors. The most suitable climatic conditions for persimmon trees to grow are warm, humid environments, and lower temperatures and drought conditions can lead to poorer fruiting. In addition, persimmon trees also have a certain degree of cold resistance, but in frost weather, it is necessary to take protective measures, otherwise it is easy to cause the branches to die and affect the fruit.
Pest and disease problems.
Persimmon trees are still susceptible to pests and diseases such as persimmon insects and persimmon thrips, which is one of the reasons why persimmon trees fail to bear fruit. Therefore, in the process of planting and maintenance, it is necessary to strengthen the control of pests and diseases, and pay attention to the timely detection and treatment of pest and disease problems.
Improper cultivation management.
The management of persimmon trees is also one of the important factors affecting fruit yield and quality. In the cultivation process, problems such as improper fertilization, improper pruning, etc., will affect the fruit of persimmon trees. Therefore, growers need to do a good job in the cultivation and management of persimmon trees to ensure their full growth and development.
Summary. If you want to improve the yield and quality of persimmon trees, you need to consider soil conditioning, pest control, cultivation and management, etc., and formulate a reasonable planting plan and management methods. At the same time, it is also necessary to strengthen learning and communication, learn more about the knowledge and skills of various persimmon tree cultivation, and improve the persimmon tree cultivation skills.
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The persimmon tree is a large deciduous tree, its growth process is different from other fruits, its growth process is divided into two stages, the first stage is the early persimmon, the second stage is the ripe persimmon. Early persimmons have a little astringent taste, and can only be eaten after artificial astringency, and the peel of ripe persimmons is orange-yellow.
The persimmon tree belongs to the persimmon family deciduous tree, which can grow up to 14 meters, the diameter of the chest can reach 65cm, and its bark is dark gray or gray-black, so what is the growth process of the persimmon tree. The persimmon tree is native to the Yangtze River basin in China, and its growth process is different from other fruits, and its growth process is shorter.
The growth process of the persimmon tree is divided into two stages, one is the early persimmon, the persimmon at this stage has a little astringent taste, and can only be eaten after artificial astringency, and people often call the persimmon at this stage the filter juice. The second is the ripe persimmon, when the skin of the persimmon is orange-yellow, and the pulp is juicy.
The persimmon tree is a deep-rooted tree species, and it has a high demand for water and fertilizer during the growth process. Usually persimmons can be applied with nitrogen, phosphorus and potassium fertilizer, and it is best to dilute the fertilizer with water before each fertilization, which can not only reduce the concentration of fertilizer, but also effectively reduce the probability of fertilizer damage.
The persimmon tree has different requirements for water in different seasons, and the plant can be watered according to the principle of seeing dry and wet or not dry and not wet, so that watering should not cause waterlogging. Persimmon trees grow faster, and the plants should be pruned regularly when planting, and they should be pruned lightly each time.
1. Apply sufficient base fertilizer in late September, after the persimmon fruit is harvested, and early October is the fertilization period. The specific amount of fertilizer depends on the strength of the tree, the size of the canopy, the amount of yield, and the level of soil fertility. Generally, 100 kg of organic fertilizer, 1 kg of diammonium phosphate and 1 kg of potassium sulfate are applied to each plant, and the ditch is open and the ditch is 30 cm deep for fertilization. >>>More
The persimmon tree is a common fruit tree, and its fruit has a beautiful orange-red color, which is sweet and delicious. It is loved and cultivated by people in many places. The persimmon tree is a small and medium-sized tree, generally around 5-10 meters in height. >>>More
The persimmon tree is planted from seeds.
Sub-category: Tuesday, 19 June 2007.
Persimmon madness. The leaves of the diseased plant are large, but they are falling and brittle, the leaf surface is uneven, the vascular bundles of the leaf veins become black, and sometimes the black veins can be seen on the surface; The dorsal branches of the main side branches of the diseased tree are long, erect and clustered, and the top is weak and "chicken claw branch". Good control of leafhoppers and other vector insects can slow down the spread of diseases; Strengthen management and cultivate a strong tree; Trunks are drilled and perfused with penicillin. >>>More
There are many reasons for eggplant flower and fruit dropping, such as insufficient light, dry soil, malnutrition, low temperature (below 15) or too high (above 35), and defective flower structure. The method of preventing flower and fruit dropping, in addition to strengthening field management for the cause, can use hormones to point flowers and protect fruits. At present, 2,4-d, compound 2,4-d (trial product), solana fruit (trial product), and anti-falling hormone dot flower and fruit preservation are mainly used in the suburban vegetable area of Hangzhou. >>>More