JPS61128820A - Culture of cycad - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a method for cultivating cycads. More specifically, the present invention relates to a method for cultivating miniature cycads, which are planted inside a small body and placed on a desk or the like for admiration.

[Prior Art] Cycads are generally widely known tropical plants that are planted in gardens and the like for ornamental purposes. Cycads are large plants that can reach a height of about 15 meters when mature.

Usually, cycads are planted in pots, and as they grow, they are moved to larger pots. Needless to say, cycads are very small in the early stages of their growth, so it is possible to plant them in small pots and place them on a desk or the like for viewing. However, because cycads grow so fast, they can only be grown in small pots for a short period of time. If growth stops in the early stages of growth and cycads can be cultivated in small bodies over long periods of time, they can be enjoyed as ornamental miniature cycads that can be placed on desks, etc. Become.

[Problems to be Solved by the Invention] Therefore, an object of the present invention is to provide a method for cultivating cycads that can stop the growth of cycads at an early stage and cultivate them in a small body for a long period of time. It is to be.

[Summary of the Invention] That is, the present invention involves germinating the seeds of a plant belonging to the genus Cycadaceae, and then transplanting the lumps present at the proximal end of the bud into soil contained in a pot for cultivation. To provide a method for cultivating cycads consisting of:

[Effects of the Invention] According to the present invention, the growth of a cycad can be stopped at its initial stage, and a miniature potted cycad can be obtained that can be admired on a desk or the like for a long period of time.

[Detailed Description of the Invention] A typical plant belonging to the genus Cycas is the cycad (cyc
As rema θ1uta), almost all the cycads cultivated in Shiraki country are this cycad.

The seeds of cycads are egg-shaped and have a long axis of about 5 cm. When cycad seeds are sown and germinated using conventional methods, a lump-like mass is formed at the base of the sprouted buds. If you cut off this mass with the germinated buds still attached and transplant it into a small pot, the plant will stop growing when the total height of the plant grows from 5 cm to about LoCm, and it will remain healthy even if you continue to cultivate it. It continues to survive, but it does not grow large. This invention was completed based on this new knowledge.

The first step in the method of this invention is to germinate the cycad seeds. This can be done by conventional cycad cultivation methods widely known in this field.
This is not characteristic of this invention. That is, cycad seeds may be sown in soil containing nutrients necessary for plant growth, such as nitrogen, phosphorus, and potassium, and watered appropriately.

Cycad seeds germinated by any method can be used in the method of this invention.

When a cycad seed germinates, the root of the sprouted bud has a diameter of 1cm to 2CI! A lump-like lump of about 1 is formed. This clump is cut and planted in soil contained in a small pot. This transplant period is
It depends on the desired size of the potted cycad, but if the aim is to grow the smallest cycad, it is preferable to carry out the process immediately after germination. The size of the pot to be transplanted is not particularly limited, but for example, if the diameter of the mouth of the pot is 2.
It is about 5 cm to 3 cm. The soil in the body can be the same as the soil conventionally used for cultivating Lisotella, and is not unique to this invention.

Cultivation after transplantation can be carried out in exactly the same manner as conventional cycad cultivation methods, and is not unique to this invention.

In other words, all you have to do is sprinkle some water on it and expose it to sunlight.

In May 1980, peat moss, river sand, and manure (ripe cow dung) were mixed in a ratio of 1:1:0.5, thoroughly moistened with water, and placed in a plastic acid box. Sow seeds here, place them in a greenhouse with oblique light, and water just enough to keep the soil in the box from drying out.
v. Iuta) was germinated. In September 1981, the buds that had just germinated were cut off along with the clumps at their bases, transplanted into pots with a mouth size of about 2.5 cm, and cultivated.

The soil used for cultivation was the same as that used for germination, and the cultivation was carried out in a vinyl greenhouse with diagonal light provided by a dionet, the sides of the house were opened to ensure good ventilation, and the soil above the pot was This was done by managing and watering the area so that it was on the verge of drying out. For comparison, about half of the cycads that were germinated were transplanted with their seeds immediately after germination (i.e., the whole plant, including the seeds, was transplanted, rather than cutting off the clumps and buds and transplanting them). At this time, since the seeds were large, they were transplanted into pots with a diameter of about f3 cm.

Both the plants in which the buds were cut and transplanted together with the clumps, and the plants in which the seeds were transplanted continued to survive vigorously. The overall height of each in October 1981.

Leaf width, leaf length, leaf number and mass diameter were measured. The results are shown in Table 1. In the table, all units except for the number of leaves are expressed in ms.

Cycas were germinated in exactly the same manner as in Example 1, and immediately after germination, in August 1982, they were transplanted in the same manner as in Example 1.
Cultivated. The total height of each in October 1980,
Leaf width, leaf length, leaf number and mass diameter were measured. The results are shown in Table 2.

Comparing the results of Example 1 and Example 2, there is a difference in overall height and leaf size between those that have been transplanted for 13 months and those that have been transplanted for only 2 months. There is no significant difference in terms of the above, and it can be seen that according to the method of the present invention, growth is almost stopped two months after transplantation.

Claims (1)

[Claims] A method of cultivating cycads, which comprises germinating the seeds of a plant belonging to the genus Cycas, and then transplanting the lumps present at the base end of the buds into soil contained in a pot. Cultivation method.