Pu peach (Shuipu peach)
Pudao (Shuipu peach) Myrtle family
Evergreen trees, 6-12 m high. The bark is smooth, grayish brown, the branch is low, the height under the branch is 1.5 × 3m, and the crown is oblate. Leaves opposite, leathery, lanceolate or long elliptic, long 11~20cm, broadly 3~5cm, apex acuminate, base broadly cuneate, entire, leaf surface shiny, with transparent glandular spots and marginal veins; petiole long 7~10mm. Cymes terminal; flowers white, 3cm in diam.; stamens numerous, ca. 25cm, fragrant. Drupe berries, globose. About 3cm in diameter, fleshy pericarp, yellowish when ripe, sweet in taste; 1 seed with polyembryo. Flowering from March to April and fruiting from June to July.
Distributed in southeastern China, South China to southwest China; Indo-China Peninsula and Malay Islands. Common cultivation in South China. Like warm and humid climate; neutral, like light and shade; like water and humidity, often born in low wet places in streams or valleys, resistant to waterlogging, not resistant to drought and barren, and grow well on fertile and humid acidic soil or alluvial soil. Developed root system, good growth, strong wind resistance, resistance to air pollution such as sulfur dioxide, chlorine, hydrogen fluoride, motor vehicle exhaust and dust.
Sow and reproduce. The weight of fresh seeds is about 4400g. After the fruit is ripe, the peel is removed and the seed is sown, and the germination rate is high. Seed dehydration or sun drying will affect the ability of germination. Garden cultivation should use 3 ~ 4-year-old seedlings, easy to survive and effective.
Its branches are curved and whirling, the leaves are dense and green, the trees are graceful, and the flower and fruit period is long. During the flowering period, a variety of white flowers are set off in the green leaves, plain, elegant and fragrant; in fruit, the yellowish globular fruit hangs from the branches, which is eye-catching. It is easy to propagate and cultivate, and it is an excellent native tree species in the south. Suitable for waterside, embankment and garden planting, can also be used as street trees in residential areas. The peel is edible and tastes crisp and delicious.
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Storage methods of jujube fruit
The main results are as follows: 1. the maturity of jujube fruit harvested at the right time is one of the important factors affecting the effect of fresh jujube storage. Many studies have shown that there is a negative correlation between jujube fruit maturity and storage performance. the lower the maturity is, the more resistant to storage, the storage resistance decreases with the maturity of jujube fruit, the white ripe fruit is better than the primary red fruit, the primary red fruit is better than the semi-red fruit, and the storage resistance of whole red jujube fruit decreases obviously. In 1985, the storage performance of different harvest periods in the Institute of Fruit trees of Shanxi Academy of Agricultural Sciences showed that the jujube with different maturity collected from the same tree was stored in 0 ℃ ±1 ℃ cold storage.
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Cultivation and Management techniques of Kernel Apricot
1. Technical introduction 1. Variety selection: main varieties: Dragon King Hat, a swarm of bees, Bai Yubian, Chaoren, Fenghong, Youren, Yuanren and so on. Baiyubian is an excellent kernel apricot pollination variety with strong cold resistance, extremely high yield and frost resistance and low temperature tolerance of the other three varieties. 2. Raising seedlings: kernel apricot seedlings can be divided into two stages: rootstock seedling cultivation and grafted seedling cultivation. Cultivation of ① rootstock seedlings. Select the fields with sufficient light, loose soil and irrigation conditions as seedling land, and fertilize the soil in time. ② grafting. Grafting shoots of kernel apricot seedlings
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