First, the appropriate period of scion collection is generally carried out immediately after large-scale freezing. The specific time is appropriate from mid-late December to mid-February of the following year.
Second, the scion should be collected from the mother plant that grows robustly and has abundant branches. Try not to collect scion from young trees.
Third, from the mother plant to take scion, leggy branches, back branches should not be used for scion, should use 1-2 years oblique extension of the external branch, too old branches of 3-4 years old shoots should not be collected.
Fourth, 1-2 years of growth Extension of the upper and lower one-third of the branch should not be used for scion, should use one third of the central part of the main bud full of scion, the main bud is relatively thin or thin and not suitable for scion use .
5. Branches with jujube larvae, calamus, and trees with jujube disease cannot collect scions on them.
Sixth, according to their actual needs, select local varieties for scion.
7. The length of the scion should be 10-15 centimeters. It should not be too short or too long. When it is too short, it should not be cut off when it is grafted. If it is too long, scion is wasted.
Safety warning tape plays a warning role in our life to ensure the safety of personal.
In our life, it's a warning to prevent people from entering the place. To prevent people from entering " Non internal personnel prohibited Non internal personnel prohibition of entry ". Warning tape can ensure the safety of internal equipment and personnel.
Another warning tape is made of aluminum foil, which can be buried in the ground as a marker, such as an underground pipe, which can be detected by instruments without digging.
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