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Hello, northern deciduous fruit trees can be grafted on dog days, but only include bud grafting methods, and other grafting methods such as skin grafting, splitting and wood grafting, etc., the grafting time period is the most critical, therefore, the above several grafting methods should be around Qingming, when the fruit tree leaves are fully spread when the survival rate after grafting is high.
Dog days bud grafting precautions.
The main objects of dog day bud grafting are: apple trees, walnut trees, plum trees, persimmon trees, jujube trees, etc. People generally use methods such as subcutaneous grafting and splitting, and the grafting period is carried out around the Qingming Festival.
For some unsurviving skin joints or splits, dog days are remedied by bud grafting.
Unfavorable grafting period and method: before the first and middle period of budding objects, the year will germinate and draw strips, the growth potential is more vigorous, the leaf spacing is larger, but the degree of wood maturity is poor, after entering the dormant period of fruit trees, the weather in the north is cold, when it is lower than minus 10 degrees, the bud grafting is easy to cause frostbite, and the serious ones will be drained and frozen to death, resulting in losses.
Favorable bud grafting time and method: In the back of the bud grafting scion of fruit trees, most of them will not germinate before entering the defoliation. After budding, try not to remove the plastic film, so that the cold climate in winter can ensure the temperature of budding and protect the scion safety over winter.
Wait until the spring of the following year to remove the bud grafting protective plastic film, the grafted buds germinate quickly, extract vigorously, can form the crown in the current year, and can flower and bear fruit in the next year.
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Dog days can be grafted fruit trees, but at this time the success rate of grafting is not particularly high, and it is best not to put a plastic bag, which is easy to be stuffy.
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Grafting fruit trees on dog days is still done as usual, but don't cover it with plastic wrap at the end. The survival rate of grafted fruit trees and plants on dog days is very low, so it is recommended to wait until the end of September or October to graft, and the survival rate will be much higher.
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Summary. 1. Fruit tree grafting is usually carried out in spring, and the best grafting time period is between the stunning festival and the spring equinox festival every year, when the bud buds have not yet germinated, and the survival rate of grafting is high. The grafting time should not be too early, because the temperature is low, the growth activity of fruit trees is poor, and the survival rate of scion is not high.
The grafting time should not be too late, the bud bud germinates and grows, which will emit a lot of water and affect the survival rate of the scion.
2. When grafting fruit trees, graft in a timely manner. Neither too early nor too late, both will affect the survival rate. To choose a thick fruit branch grafting, pick the buds to pick strong buds.
Choose grafting on non-rainy days to prevent rainwater infection and affect survival. Both the grafting knife and the wrap should be sterile to avoid infection and affect the survival rate. The grafting edge should be smooth, increase the degree of anastomosis between the knife edges, and improve the survival rate.
The knife edge should be bandaged tightly and sealed to avoid the loosening of the scion and the impact of rainwater on the survival rate. After the fruit tree is grafted, protective measures should be added to avoid strong winds, human and animal contact, impress the scion, and affect the survival rate.
Can fruit trees be grafted now?
Hello, it's my honor to answer your questions, it will take a little time to sort out the answers, please be patient
1. Fruit tree grafting is usually carried out in spring, and the best grafting time period is between the stunning festival and the spring equinox festival every year, when the bud buds have not yet germinated, and the survival rate of grafting is high. The grafting time should not be too early, because the temperature is low, the growth activity of fruit trees is poor, and the survival rate of scion is not high. The grafting time should not be too late, the bud bud germinates and grows, which will emit a lot of water and affect the survival rate of the scion.
2. When grafting fruit trees, graft in a timely manner. Neither too early nor too late, both will affect the survival rate. To choose a thick fruit branch grafting, pick the buds to pick strong buds.
Choose grafting on non-rainy days to prevent rainwater infection and affect survival. Both the grafting knife and the wrap should be sterile to avoid infection and affect the survival rate. The grafting edge should be smooth, increase the degree of anastomosis between the knife edges, and improve the survival rate.
The knife edge should be bandaged tightly and sealed to avoid the loosening of the scion and the impact of rainwater on the survival rate. After the fruit tree is grafted, protective measures should be added to avoid strong winds, human and animal contact, impress the scion, and affect the survival rate.
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Summary. Dear, yes.
Dear, yes. The best grafting of pear trees is in spring and autumn, the sap flows upwards in spring, and the nutrients are stored downward in autumn, which are the most active periods of the cambium layer quietly, and the survival rate of grafting is higher. In Hangzhou, Shaoxing and other regions of Zhejiang, spring grafting is generally carried out from mid-February to mid-March, and root-digging is generally carried out from early February to early March.
After rooting, it is planted in the open field, covered with mulch, and the seedlings germinate early and neatly. Autumn bud grafting varies from region to region, with Tanqing in the north from late July to mid-August, and mid-August to late September in the south.
Entering the "yard preparation rolling dog days", the northern deciduous fruit trees can be grafted, but only include bud grafting methods, and other grafting methods such as skin grafting, rolling service splitting and wood grafting, etc., the grafting time period is the most critical, therefore, the remaining several grafting methods should be around Qingming, and the survival rate after grafting is high when the leaves of fruit trees are fully expanded. The budding requirements are not strict, as long as the rootstock and scion wood maturity are good, it can be extended from early June to mid-September.
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Fruit tree grafting may be more popular and curious for most people, and it is extremely exciting to think that several different varieties of fruits can be grafted on one tree. But when it comes to grafting, maybe we just think about it, because it is really not easy to successfully graft and survive, after all, this is a technical work.
In fact, there are many factors that determine the survival of grafting of trembling fruit trees, including the choice of grafting time. When of the year can the fruit trees be grafted to life? Regarding the choice of time, there may be no time problem for grafting masters, and fruit trees can be grafted at any time throughout the year.
Indeed, generally speaking, fruit tree grafting can be carried out all year round, but different periods need different grafting methods and different grafting technical requirements. And for some of us who only know some basic grafting knowledge, we may really graft unviable fruit trees at some special times.
Generally in production, the time to graft fruit trees is mostly in spring, summer and autumn, and spring grafting is the best. Because in spring, when the temperature rises and the sap flows, the water and nutrients of the fruit tree roots are transported upward, which is most conducive to grafting and survival. Therefore, in order to achieve the purpose of saving labor, saving materials and high survival rate of grafting, people choose to graft in the spring when the climatic conditions are most suitable.
However, due to the different climatic conditions in different places and the different climate changes in the same area every year, the grafting period should not be set too rigidly, but the appropriate grafting period should be flexibly determined according to the local climatic conditions and the different species of grafted trees. Generally speaking, in the northern production areas dominated by deciduous fruit trees, if you choose grafting, the time is roughly from late March to early May, that is, before the rootstock sap begins to flow and the scion germinates.
In the southern region, because the climate is relatively warm, for deciduous fruit trees, the time for grafting should be carried out from February to April. For evergreen fruit trees, it is better to graft before the germination of the Kobudong cherry trees in early spring. However, regardless of the north and south, in fact, the germination period of different fruit trees is also different, so it needs to be determined according to the tree species of the fruit tree, generally early germination of early grafting, late germination of late grafting. This is consistent with the fact that different tree species require different temperatures to grow callus.
Therefore, no matter how different the climatic conditions are in various places, especially the different microclimates in mountainous areas, or how different tree species and different varieties are different, as long as the principle of fruit tree phenology is mastered to carry out grafting, it is easy to graft successfully.
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Fruit trees can not be grafted on rainy days, the moisture content in the air is larger, which will lead to the rot of the fruit tree interface position, reduce the survival rate, when grafting fruit trees, it is best to choose to carry out in a clear afternoon, the temperature is mild at this time, which is conducive to the rapid growth of plants, and after grafting, the interface should be tied tightly with a film to avoid the growth of bacteria in fruit trees.
Fruit trees can not be grafted on rainy days, the moisture content in the air is large in rainy days, the humidity in the soil is high in the early soil, and the rain will drip to the interface position of the fruit tree, which is not conducive to the survival of the plant, and will cause the branches to turn black and rot.
Fruit trees are generally grafted in spring or autumn, the specific time is 3-4 months in spring, or 9-10 months in autumn, the climate is warm and comfortable in spring and autumn, and there is less rain, and fruit trees can survive quickly after grafting.
When grafting fruit trees, first of all, the full bud spike is cut on the mother branch, and the cortex of the anvil is picked up with a knife, and then the bud spike is inserted into the rootstock cortex, and the joint position of the fruit tree is tied tightly with plastic film or cloth strips.
Fruit trees need sufficient nutrients after grafting, at this time you need to water an organic fertilizer solution in the soil to provide nutrients for the plants, pay attention to be sure to dilute the fertilizer with water to avoid burning the root system of fruit trees.
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In principle, the grafting time of fruit trees can be grafted all year round, but the physiological conditions of various fruit trees in different seasons are different, and the commonly used grafting methods and grafting periods are also different.
1 Spring. Generally, in March and April, when the rootstock begins to move and debarks and the scion has not germinated. The main methods are grafting and budding with xylem. Due to the high nutrient content in the rootstock, the temperature and humidity are more suitable, the survival rate of spring grafting is high, and it is widely used in seedling raising, high grafting, bridging, etc.
2 Summer. It is generally carried out in May and July when the anvil is easy to peel. After grafting, scion buds can germinate and continue to grow for a period of time, and can be cultivated into seedlings with a certain height, such as walnut bud grafting, grape shoot grafting, etc.
3 Autumn. Generally, in August and September, when the anvil is easy to peel. At this time, the survival rate is high because the nutrient content in the rootstock is high, the temperature and humidity are more suitable. In fruit tree seedlings, rootstock seedlings sown and cut in spring reach the required thickness for grafting in autumn, and the anvil is not cut after grafting, which is a widely used way in production.
The main method of grafting in autumn is bud grafting.
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When it comes to grafting fruit trees in winter, it is not to graft large fruit trees outdoors, but to refer to seedlings, seedlings are completely okay, and I will introduce you to winter grafting skills.
In the grafting process of fruit tree seedling breeding, people are accustomed to using the method of splitting the trunk branches in spring or pasting buds and skin grafting in summer and autumn. However, grafting during the dormant period when the sap stops flowing can not only alleviate the shortage of manpower and time, but also improve the seedling rate.
The grafted branches should be stored well, first of all, the seedlings with enough grafted thickness are ready to be dug out and put well before freezing, cut 15 20 cm from the root neck, and the selected scion varieties are tied into bundles. Dig a ditch with a depth of 50 cm, a width of 50 cm, and a length depending on the number of rootstocks and scions on the Chaoyang slope, and put the rootstocks and scion side by side vertically into the ditch (in order to prevent mildew during the storage period, a straw can be placed every 50 cm to facilitate ventilation). After the seedlings are full, fill with wet sand, the humidity is suitable for holding the water and loose, the thickness of the buried sand is about 40 cm, and the loam is covered with 10 cm.
In winter, take care to remove water and snow around the cellar to prevent increasing humidity in the cellar.
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OK. According to the current winter temperature, as long as there is no frost, the operation of grafting fruit seedlings can be carried out.
You must also understand the grafting points, so I won't talk about them here.
You can try to graft a part of it first.
After the beginning of spring, another part is grafted
Grafting in batches in this way will find the know-how to graft fruit tree seedlings under seasonal conditions Okay, good luck!
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Yes, but the winter temperature is too low, and the survival rate of grafted trees is very low. Grafting forest fruit trees about a week before germination in spring has a higher survival rate.
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If the temperature of the greenhouse is suitable, fruit trees can be grafted in winter. Because greenhouses are also suitable for the growth of fruit trees.
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Grafted fruit trees are generally in spring, of course, fruit trees can also be grafted in winter, but the survival rate is relatively low.
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In principle, fruit tree grafting can be said to be in all seasons, but in the actual operation of production, few people will graft in winter, and usually choose to graft in spring, summer and autumn. The best time for grafting is before the budding of fruit trees in spring, after the budding of scion buds in summer, or in early autumn.
In addition to individual tree species, in general, fruit trees can choose to be grafted in spring, autumn grafting needs to pay attention to the young shoots after survival over the winter and cold, summer grafting is more than a supplement to spring grafting, so the season of frequent grafting is to operate in spring and autumn.
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The temperature is low in winter, most of the fruit trees in our country have entered the dormant period (stop the growth period), at this time the grafting is not good, it is not impossible, as long as the temperature and humidity of the temperature control greenhouse is good, it is possible. However, it is important to take care of the wound to prevent infection.
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No, if there are signs of dehydration in the scion, soak in water for 10-20 minutes.
Hello, I'm glad for your question, grafting moon flowers can only be grafted with Rosaceae, generally using wild roses or roses as rootstocks, hibiscus trees and moon flowers have no affinity, can not be grafted.