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Davidson's plum

Introduction of Davidson's plum

            Scientific name - Davidsonia jerseyana

Davidson's plum an attractively colored fruit that bears a dark blue purple shade on the outer skin and a reddish pink on the inside. This plum is also bionomically known as Davidsoniajerseyana and it belongs to the Cunoniaceae family. Initially grown as ornamental plants these fruits are now considered as one of the endangered plants and can be seen only grown in restricted areas in Australian regions.

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Nutritional Value of Davidson's plum

Principle Nutrient Value
Energy 264kJ / 100gm
H2O 78.2 gm / 100gm
Protein 1.0 gm / 100gm
Fat 0.2 gm / 100gm
Carbohydrates 14.3 gm / 100gm
Total Sugar 3.9 gm / 100gm
Na 1-9g
K 1465.5g
Ca 217.35g
Mn 19-30g

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Method of Consumption

Davidson plum owing to its eye pleasing color and soul pleasing taste has become a culinary favourite. This plum is used in making an array of sweet & savory dishes. Be it jams, sauces, yoghurts or even ice creams this fruit adds flavor to all. Even cakes and pastries taste sumptuous once Davidson plums are added to them. An iconic dish named Rojak which is a traditional Indonesian fruit salad has Davidson plum as a key ingredient.

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Health benefits of Davidson's plum

The icing on the cake is the added health benefits that this ornamental fruit but edible fruit brings to one. With a high level of anthocyanins (pigment of antioxidants), Davidson plum have reportedly shown a strong presence of antioxidants that are beneficiary to health. It has antioxidants capacity higher than the blueberry with was actually worshiped as ''health promoting fruit'' it time that one makes wiser choices and switches over to Davidson plums instead. Anti-oxidants is known for its properties of fighting against cancer, aging, skin diseases, cardiovascular diseases, diabetes and many other life threatening diseases. Apart from all these health benefits owing to its color and pigments this fruit is used as a natural food color thus replacing the inorganic toxic food colors used in food industry.

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Growing conditions

Different varieties of Davidson plum grow in a different range of soil conditions, each having a type of its own. Having said that the most fruitful vegetative areas are the ones located on the east facing slopes most probably the ones facing the sun. These orchards require high amount of natural rainfall and a fertile soil to prosper. Apart from natural rainfall they also require perennial source of irrigation

The flip side to this method is that there problems reported in cases where fruits that are subjected to too much sunlight are sunburnt fruits. As a remedial measure to that plantations were established on the south facing slopes or as an alternative they opted for inter-plantings method, where trees planted between the spaces of existing planted trees. This will ensure that they receive just the right amount of sun light. This forms the ideal condition for the plums to thrive in, this has been proven by positive results in harvest made. Extra cautionary measures needs to be taken in order to protect the orchard from strong winds blowing in the opposite direction, this will create tension in the soil.

Irrigation plays a major role in good production of Davidson's plum especially during spring season when the tree needs a lot of water for flowering and fruiting. Once the tree starts to bear these fruits and flowers they can thrive in occasional dry periods.

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Harvesting of Davidson plums

The period for harvesting plums occurs in early months of the year till the mid of summer season. The trees will start bearing fruits in the third year of its inception and the tree will be ready to bear fruits for commercial production by the fourth or the fifth year. Davidson pruriens, also known as Ooray are another variant of the same species and they bear fruits during winters and bears fruits for six or five years.

While planting the tree is important plucking the fruit at the right time is equally critical. When the plum is plucked right in the beginning of its ripening process it tends to give out a purple blush and will eventually ripen once it is off the branches. When the early picking act is done it majorly cuts down the possibilities of pest build up. Due to its bright colors and ripe plum Davidson plums are susceptible to fruit fly infestation. A lot of care needs to be taken when they are plucked off the trees and should be kept under controlled temperature at all times ; mostly cold and low temperatures will do the trick of ripening the fruit to its best.

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The most common form of consuming Davidson plum is not right of the tree but they needed to be treated before consuming them. The fresh fruit gives out a very acidic tart flavor that's not liked by many. In order to treat the plum it has to go through a couple of process which can be labor intense or even machine approached process. The seed inside the fruit needs to be removed before the consumption of the fruit and this can be done by cutting the fruit into halves and removing the seed by hand or the entire fruit is processed by using a machine which ever methods proves the best. Machine refinery process is usually sought after when bulk quantities of fruits are treated.

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