Sydney is a Rosaceae plant.

The tree is semi-open, with strong vigor, large crown, high germination rate and strong branching. Short fruit branches are mainly fruiting, and the fruit table has strong continuous fruiting ability. Each inflorescence has 2 ~ 3 fruit sets, and no fruit drops before harvesting, resulting in high and stable yield. The young trees with low grafting began to blossom and bear fruit in the fourth year, and the flowering rate in the fifth year was 100%. Self-pollination is poor, so pollination trees must be configured.

Adult trees are 4-5 meters high and have a crown width of 3-4 meters. The trunk and perennial branches are brown and smooth. 1 year-old mature branches are reddish brown without fuzz, and lenticels have small white spots. The leaves are oval, dark green, sharp, with fine serrated edges, wide, medium and large leaf bases and light green petioles. 5 to 9 flowers per inflorescence with white buds. Corolla is medium and large, petals are white, anthers are yellow and full, and pollen is less.

The fruit is round or oblate, with uneven top and bottom. The longitudinal diameter is 8-9 cm and the transverse diameter is 9-9.5 cm. The fruit is medium and large, with an average fruit weight of 300-400g and a maximum fruit weight of 750-975g. Bagged fruit has yellow-white surface, short peduncle, thin skin, small stars and large and dense rust spots. The pulp is milky white, crisp and juicy, with few stone cells, sweet and refreshing taste and high quality.

As a light-loving fruit tree, it needs sunshine 1600 ~ 1700 hours a year, so it has strong adaptability to soil. Sandy loam with deep soil layer, loose soil, good permeability and water retention and low groundwater level is the most suitable. ?

Main value

Medicinal value

It tastes sweet and cold, and contains malic acid, citric acid, vitamin B 1 and B2. C, carotene, etc. It has the effects of promoting fluid production, moistening dryness, clearing away heat and resolving phlegm, and is especially suitable for autumn consumption.

Modern medical research has proved that pears do have the functions of moistening lung, clearing dryness, relieving cough and resolving phlegm, nourishing blood and promoting granulation. Therefore, it has a good effect on dry throat, itching, pain, hoarseness, thick phlegm, constipation, red urine and so on in patients with acute tracheitis and upper respiratory tract infection. Pear also has the effects of lowering blood pressure, nourishing yin and clearing heat, so it is beneficial for patients with hypertension, hepatitis and cirrhosis to eat pears often. Pears can be eaten raw, steamed or made into soup and soup. However, Cangxi Sydney is cold and should not be eaten at one time. Especially those with spleen and stomach deficiency, abdominal cold pain and blood deficiency should not eat more.

Eating pears is taboo.

Pears are cold and help damp, and eating too much will hurt the spleen and stomach, so people who are cold and afraid of cold should eat less.

Pear contains more fruit acid and stomach acid, so it is not advisable to eat more. Pear has diuretic effect, and those who have frequent urination at night should eat less before going to bed. Patients with blood deficiency, chills, diarrhea and cold hands and feet should not eat more pears. It is best to cook them before eating them to prevent the symptoms of dampness and cold from getting worse. Pears are high in sugar, so diabetics should be careful. Pear contains a lot of fruit acid, so it is not suitable to be used with alkaline drugs, such as aminophylline and baking soda. Pears should not be eaten with crabs to prevent diarrhea. For relieving cough and resolving phlegm, sweet pears with high sugar content should not be selected.