Pruning method of castanea mollissima bearing trees
A pruning method and fruit tree technology, applied in horticultural methods, botanical equipment and methods, chemicals for biological control, etc., can solve the problem of affecting the yield and quality of chestnut fruit, the basic principles are not mastered, and the principles of pruning are not understood and other problems, to prevent germs from invading plants, adjust and optimize the group structure, and achieve good ventilation and light transmission.
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Embodiment 1
[0028] The pruning method of Chinese chestnut fruiting tree is pruned after the annual Chinese chestnut tree leaves completely, and described method comprises the steps:
[0029] (1) Pruning of chestnut trees in the early fruiting stage: the chestnut tree grows to 4-7 years in the early fruiting stage, and the specific pruning method is as follows: the extended branch of the main branch is cut short to germinate branches, so that the crown of the tree is enlarged and adjacent The distance between the two tree crowns is 40-60cm; the vegetative branches growing in the middle and lower part, if there is room for growth, slow down or cut short, for the cultivation of future fruiting branches, and the vegetative branches without growth space should be cut off; chestnut trees in the early fruiting stage The pruning, per square meter of vertical projected area, leave 9-10 fruiting mother branches;
[0030] (2) pruning of chestnut tree in full fruit stage: described full fruit stage i...
Embodiment 2
[0044] The pruning method of chestnut fruit tree is basically the same as embodiment 1, the difference is:
[0045] The curing agent is made of the following raw materials in parts by weight: 30 parts of sweet potato stems and leaves, 10 parts of castor beans, 50 parts of oleander, 15 parts of tripterygium wilfordii, 10 parts of croton, 400 parts of clear water.
[0046] The preparation method of the curing agent is as follows: Add the stems and leaves of jicama, castor beans, oleander, tripterygium wilfordii, and croton into clear water and decoct. After decocting for 30 minutes, then ultrasonically vibrate for 10 minutes, the ultrasonic power is 400W, and the filtrate is obtained by filtration. Preservatives are available.
[0047] Described maintenance agent also comprises thiophanate-methyl and trichlorfon, directly adds thiophanate-methyl and trichlorfon in the filtrate and mixes evenly, and the volume ratio of thiophanate-methyl, trichlorfon, and filtrate is 1:1.2:2000....
Embodiment 3
[0050] The pruning method of chestnut fruit tree is basically the same as embodiment 1, the difference is:
[0051] The curing agent is made of the following raw materials in parts by weight: 40 parts of sweet potato stems and leaves, 15 parts of castor beans, 60 parts of oleander, 20 parts of tripterygium wilfordii, 12 parts of croton, and 650 parts of clear water.
[0052] The preparation method of the curing agent is as follows: add the stems and leaves of jicama, castor beans, oleander, tripterygium wilfordii, and croton into clear water and decoct, after decocting for 40 minutes, then ultrasonically vibrate for 20 minutes, the ultrasonic power is 750W, and the filtrate is filtered, that is Preservatives are available.
[0053] On the third day after spraying the curing agent, add lime water and spray until the chestnut tree is wet.
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