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Podocarpus Macrophyllus Seeds

Podocarpus macrophyllus (Thunb.) Sweet) is a tree of the genus Podocarpus. Plant height, bark lobed, falling off into thin sheets; Branches spreading or obliquely spreading, branchlets densely covered with black soft hairs or absent; Terminal bud oval, bud scale apex long acuminate; Leaf spirally, leathery, linear-lanceolate; Female bulbs solitary in rare pairs, pedicellate; Seeds oval or subspherical; The flowering period is April to May, and the seeds mature in August to September. Podocarpus podocarpus is named "Podocarpus Podocarpus" because its red fleshy seed resembles the monk's robe and its seed resembles the bare head of the arhats.

Podocarpus sinensis is native to the south of the Yangtze River in China, and can also grow in Jiangsu, Anhui and other places. Podocarpus is a semi-negative tree. It likes warm, wet and semi-shade environment, has poor cold resistance, is afraid of waterlogging and direct light, and likes loose fertile sandy loam with good drainage. The propagation methods of podocarpus podocarpus are sowing and cutting.

Podocarpus podocarpus is sweet and warm. Podocarpus root bark has the effect of activating blood, relieving pain and killing insects; The cone is beneficial to the effect of qi tonifying. Podocarpus can be used for garden viewing, and can also be used as wood.

Morphological characteristics

Podocarpus, evergreen tree, up to 20m, DBH up to 60cm; Bark gray or grayish brown, shallowly longitudinally divided, flaky abscisate; Branches spreading or slanting, denser.

Leaves spiral-shaped, striate-lanceolate, slightly curved, 7-12 cm long, 7-10 mm wide, apex apical, base cuneate, dark green and lustrous above, midvein conspicuously raised, white, gray-green or pale green below, 

midvein slightly raised.

Male bulbs spicate, axillary, often 3-5 fascicled on very short stalk, 3-5 cm long, base with several triangular bracts; Female bulb single axillary, pedicellate, base with a few bracts.

Seeds oval, ca. 1 cm in diameter, apex round, fleshy araril purplish black, white pink when ripe, stock fleshy cylindrical, red or purplish red, stalk 1-1.5 cm long.

The flowering period is April to May, and the seeds mature in August to September.

Growing environment

Podocarpus podocarpus prefers warm and humid climate and grows at a temperature of 15-28℃. Cold resistance is weak, negative resistance is strong. It likes well-drained and moist sandy loam, and has strong adaptability to soil. It can also survive on saline-alkali soil.

Distribution range

Podocarpus podocarpus is found in Jiangsu, Zhejiang, Fujian, Anhui, Jiangxi, Hunan, Sichuan, Yunnan, Guizhou, Guangxi, Guangdong and other provinces and regions in China, and is also distributed in Japan.

Propagation method

sow

1. Seed collection

After the seeds are collected, they should be placed in a dry and ventilated place as far as possible. It is best to store the seeds in a place where there is not too much light. The environment that is too hot and humid will also affect the seed preservation, and the temperature 

difference will cause the seeds to germinate in advance. Seeds preserved in this way do not germinate ahead of time or allow moisture to dissipate.

2. Soak

Soak the seeds for about 4 days before sowing, so that they can fully absorb water, you can use warm boiled water soaking, so that the seed germination rate is higher. When planting seeds, sow the seeds according to the spacing of rows, each row is 20 cm apart, each plant 

is 10 cm apart, when planting the depth of the seeds is buried according to the seed, and then cover with grass to hydrate the seeds. Water the seeds with water once a day, remove the grass cover after 8-9 days of seeding, and do a good sun protection, do not expose it to the sun.

3. Plant seeds

About 40 days after the seed is sown, the seeds will germinate, pay attention to the spacing between the seedlings, there is too dense place will be the seedlings with soil transplanted to the vacant place, pay attention to do not let the new seedlings water, in order to ensure the 

survival rate of seedlings. When the seedlings grow to about 6 leaves, some biogas dilution water can be appropriately dripped, and it is best not to use chemical fertilizer. Due to the slow growth of the seedlings, after 1 year transplant, plant row spacing 20x20 cm, or into 15 cm 

nutrient bags, 1 plant per bag. After one year, the plant and row spacing are 1x1m. After three years of seedling cultivation, the seedling height can reach 1-1.3m, the crown width can reach 1 square m, and the crown can be shaped into a tower, which can be used for garden use 

or continue to grow into large seedlings.

cutting

1. Take cuttings from young branches

Tender branch cutting refers to the cutting method of using semi-mature branches of the same year as cuttings in the growing season of seedlings. The specific operation methods of tender branch cutting are as follows: In the seedling growth season, cut the semi-woody branches 

of the year, according to 2 to 4 sections (one or a pair of leaves for a section) for a section, each section is about 10 cm long, the above to retain 1 to 2 leaves, the lower part to remove 1 to 2 leaves. The cutting depth is about 5 cm. After the cuttings are finished, spray water through 

the cuttings, immediately spray pesticides on the seedling bed to kill bacteria and insects, and then plug in bamboo bows, cover with plastic film, and then insert some bamboo bows, and cover the bamboo bows with black shading nets. Film, shade net should be fixed. The bamboo 

bow supporting the shade net is 15 cm to 20 cm higher than the bamboo bow supporting the film, to prevent the heat of the shade net from spreading to the film and burning the seedlings. So far, all the cutting work has been completed.

The first half of the year is generally carried out from mid to late May to early July, and the second half is carried out from mid to late August to mid to late September. The seedlings inserted in the first half of the year should pay attention to prevent high temperature burns and diseases. 

The seedlings inserted in the second half of the year should pay attention to the heat preservation and anti-freezing in the middle and late period, and the time to uncover the shading net is late November, and the time to uncover the shading net in the drought year can be extended to 

late December.

2. Hard branch cutting

Hard branch cutting refers to the method of cutting the strong branches that were completely lignified in the previous year in the dormancy stage from February to March in early spring when the SAP has not yet flowed. In early spring, it is necessary to increase the soil temperature 

and control the temperature in the shed. In short, whether it is tender cuttings or hard cuttings, it is necessary to do a good job of disinfection of cuttings and soil, but also to regulate the temperature, humidity and light of the seedling bed. In addition, in order to improve the survival 

rate of seedling cuttings, some measures to promote rooting should be taken appropriately.

Primary value

Medicinal value

The fruits and roots of Podocarpus podocarpus have medicinal value. The fruit can be used to treat heart and stomach qi pain, pale yellow, qi and blood deficiency, etc. The root bark has the effect of activating blood and relieving pain, and can treat the injury of fall and beating. 

In recent years, with the improvement of the separation technology of plant medicinal components, some scholars have found that the double flavonoids in Podocarpus plants are resistant to tumors, viruses, oxidation and inflammation, and have good activities in the blood and nervous system.

Economic value

As a kind of wood, podocarpus podocarpus has compact structure, rich oil, moisture-proof, rust-proof, less pests, and is a good wood for construction equipment. Generally used to make furniture, utensils and stationery products. Compared with other green plants, the growth rate of 

podocarpus is slow and the growth period is longer, so taarce sales, tourism and other industries.

Ornamental value

Podocarpa pine itself has beautiful tree shape, green branches and leaves, and has high ornamental value. It has always been a good material for bonsai. The modeling tree is generally the finished product of podocarpus as a green bonsai in accordance with various artistic ways. It can only be

 enjoyed by a few people in villas, courtyards, temples and other places, but it is often seen in many city roads and parks. Podocarpa pine is also often used as a hedge, with fresh green leaves and dark green old leaves arranged alternately and differently.

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