Seeking the planting technique of boxwood in Hokkaido?

Propagation mode of Euonymus japonicus in Hokkaido;

Buxus japonicus in Hokkaido is propagated by cutting, with developed root system, many lateral roots and high transplanting survival rate.

Cuttings are divided into hard branches and soft branches.

Hardwood cutting was carried out from June 10 to the end of March of the following year. For units with sufficient provenance, the cuttings can be cut a little longer, the length of cuttings is 8 ~ 15cm, and the cutting depth is generally 3 ~ 5cm. Roots can grow after 1 month.

Single-bud cutting of Euonymus japonicus in Hokkaido;

1, and single bud cutting can be used for rapid seedling raising. Cutting should be carried out from May to 10, with a bud length of 1 to 2 cm, one bud and one leaf, and leaves should be left.

2. The knife for cutting buds must be sharp, and the buds should be cut in time. There are 500-l000 cuttings per square meter, which will take root after 1 month and begin to sprout in 40-45 days. After two months, the seedlings will reach the height of 10- 15 cm.

Cutting method of Euonymus japonicus leaves in Hokkaido;

1, select mature leaves as cuttings, and the petiole used for cuttings must be complete. Don't use scissors when holding leaves. It is best to break off the petiole from the base of the bud by hand, insert it while holding it, or put the leaves in a clear water basin.

2. If the leaves are stored for too long, the survival rate of cutting will decrease. The cutting depth is 2 to 3 cm. Callus can be produced at the base of petiole after 20 days of cutting, new roots will grow from the callus after 30 days, buds will form on the root primordia after 50-60 days, and the buds will break ground and grow into new plants after 70-80 days.

The sowing method of Euonymus japonicus in Hokkaido;

Buxus japonicus in Hokkaido has early fruiting, large fruiting amount and high seed germination rate. Buxus macrophylla bred from seeds has obvious variation, especially the shape of leaves changes greatly. The tree growth characteristics and fast-growing habits of the seedlings are almost the same as those of the female parent.