How do the forms of cacti and lotus adapt to their respective living environments?

To put it simply, for example, the fleshy stem of the cactus is very easy to use to store water, the leaves have a small needle-like area, less transpiration, less water loss, and a developed root system that absorbs more water.

The petiole of the lotus is hollow and conducive to breathing, the number of stomata is more than the upper epidermis (generally the lower epidermis is more, but there is water under it), and the surface of the leaf has a wax layer that is not easy to get wet.

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Growing environment: Cacti prefer sunny, warm environments, as well as neutral, alkaline soils. Exterior characteristics: The upper branches are green to blue-green.

Barbed bristles dark brown. Reproductive characteristics: mostly propagated by cuttings, grafting, dividing and other asexual methods. Maintenance management: Replace the potting soil every 1-2 years.

1. Growth environment

Cacti prefer sunny, warm and dry environments, have a certain drought tolerance, but are not tolerant to waterlogging and severe cold, and are suitable for well-structured, humus-rich environments.

The neutral, slightly acidic soil grows, do not use acidic soil for conservation, in addition to the cactus native to the tropics.

2. Appearance characteristics

Cactus is a clump of fleshy shrubs, between 1-3 meters in height, the color of the upper branches is green to blue-green, the barbed bristles are dark brown, the length is between 2-5 mm, the flowers are radial, the flower color is rich and gorgeous, the ornamental value is very high, in addition, the flowering period of the plant is from June to December every year.

3. Reproductive characteristics

Cacti mostly reproduce asexually.

To cultivate new plants, in which asexual reproduction includes cuttings, ramification, grafting, etc., among which leaves, fans, pillars and other cacti are often propagated by cuttings, the time is in the spring, summer and autumn of each year, and the grafting time is from April to October every year.

4. Maintenance management

In the process of maintaining cacti, you can use compost.

Garden soil, river sand.

Mix the soil in a ratio of 1:2:2, and water it once a day from June to August every year to keep the soil moist, and avoid stagnant water, otherwise the root system will rot, the plant will wilt and die, and replace the potting soil every 1-2 years.

Growing environment, the environment in which cacti grow is more abundant in light and has a higher temperature; In the germination stage, seeds with full particles should be selected during germination, and evenly sown into the soil after germination; In the seedling stage, the cactus will enter the seedling stage after germination, and the small thorns on the surface of the stem grow more intensively; During the ripening period, after the cactus enters the mature stage, it needs to be transferred to a sunny environment for maintenance.

The environment in which the cactus grows is more abundant, the temperature is generally higher, and the water is less, so in order to reduce the consumption of nutrients, the cactus degenerates the leaves into hard thorns, which are not suitable for growing in acidic soil, and the soil of the growing environment is generally neutral or alkaline.

The germination stage is the first growth process experienced by cacti, during which it is necessary to select full-grained, healthy and disease-free seeds, place them in clean water for germination, and then evenly sow the germinated and white seeds into the soil, and cover the soil to compact the surrounding soil.

After the cactus seeds germinate, they absorb water and nutrients from the soil and gradually grow and expand, during which the spines on the body surface grow densely and are white in color, and the color of the thorns will gradually change as the stem continues to expand.

After the cactus enters the mature stage, it needs to be placed in a bright environment for maintenance, and watered according to the dryness and wetness of the soil to ensure that the soil is in a slightly moist state, and do not produce stagnant water. In addition, it is necessary to apply well-rotted farm manure every half a month to speed up the growth of the plants.

Plenty of light: Cacti are desert plants that prefer to grow in a well-lit environment. Humidity conditions:

Cacti are hardy and can store a lot of water, so it is suitable for dry environments. Soil Environment: Neutral or slightly alkaline soils are available.

Growth characteristics: the barbs are yellow, the flowers are radial, and the berries are obovate.

1. Sufficient light2. Humidity conditions

The cold tolerance of cactus is very strong, and the plant can store a lot of water in the body, so it is not advisable to water too much during home cultivation, you can wait until the soil is dry and replenish the water once, according to the principle of rather dry than wet, and the cactus cultivated in the open air should avoid rain.

3. Soil environment

The growth of cactus is not very demanding for the soil, but the plant is afraid of acidic soil, suitable for cultivation in a neutral or slightly alkaline soil environment, the soil pH value is best stabilized between, and it must meet the requirements of soft and fertile and good drainage.

4. Growth characteristics

The cactus is a variant of the constricted spiny cactus of the cactus family, the upper branches are broadly obovate, obovate-oval or nearly round, the upper barbs are yellow, with light brown horizontal stripes, the flowers are radial, the filaments are pale yellow, the berries are obovate, the color is purple-red, and the seeds are mostly oblate.

Cactus growth environmental conditions and requirements.

Cacti are originally grown in the tropics and are cultivated in China, Guangdong, Guangxi, Hainan, Yunnan, and Guizhou. Cacti prefer warmth and tolerate high temperatures, but the maximum temperature cannot exceed 35 degrees. In addition, in winter, it is necessary to pay attention to the temperature difference between morning and evening, which is easy to frostbite.

In the spring, when the temperature rises, you can move it outside, and the temperature starts to grow when the temperature is above 15 degrees.

Cactus growth temperature.

The best temperature for cacti is 20 to 30 degrees. If the temperature is too high, it will stop growing. If it's too low, it stops growing. In winter, it is better to move to a greenhouse, control the temperature above 5 degrees, and be careful not to water frequently to dry out the soil.

Cactus growth humidity.

The humidity of the cactus growing environment is required to reach 60%-70%. As the temperature rises, the cactus will grow vigorously, so water it well. When watering, it should be wet and dry, that is, watered thoroughly at one time, and not watered for many days.

If watered too often and too much water, not only will it not promote growth, but it will also cause root rot.

Cacti grow in soil.

Cacti love sunlight and are afraid of moisture. Its roots cannot be immersed in water for a long time, so when choosing soil, the first thing to consider is sandy soil with good drainage performance.

The cactus is born and hidden, and the cycle and process are long.

Cacti sprout and grow in spring, bloom in summer, continue to grow in autumn, and dormant in winter. If it is in the tropics, it can be grown all year round. The rest of the stove should only grow at temperatures above 20.

The appearance of the cactus does not change during the growth process, but it grows in size. The spines of the cactus are green at first, and later the spines grow densely. When they grow, the spines turn white and grow.

1. Temperature requirements.

is the limiting factor in the natural distribution of cacti, and its growth requirements.

It is 15-40, with 20-30 as the optimal range, and the northern region can use protected cultivation methods such as plastic film to ensure its healthy growth.

2. Requirements for moisture, light, ventilation and soil.

Cacti are drought-tolerant and afraid of stagnant water, so on the one hand, attention should be paid to the loose soil with good air permeability, and on the other hand, it should be watered thoroughly (infiltrated into the soil) without causing water accumulation.

Cactus has strong adaptability to soil, and can be planted in chernozem, red loam, loess, etc.

3. Potted plant management.

Indoor potted cactus should be selected as a small, flower-rich spherical species, and this kind of plant should not be considered drought-tolerant in cultivation, and ignore its normal watering and fertilization.

Indoor cultivation, can be used on the windowsill with lead wire and plastic film to create a high-temperature, high-humidity enclosed space, most immortals.

Drought-tolerant, barren-tolerant, light-loving, when the temperature is low, the water is easy to rot the roots.

Cacti live in dryness.