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Growing roses

rosas

The roses, the flower is known as rose bush, native to Asia, belonging to the Rosaceae family

 

The shrub

It can reach more than 5 meters tall, but usually one between 1.5 and 3 meters high. These are plants that have thorns woody trunk, but currently has manipulated the genetic qualities and colours, there are currently no spikes roses.

 

Requires several pruning throughout the year that include eliminating twisted branches and leave a strong and robust skeleton of the plant (this is usually done in winter), the rest of the year is to remove wilted roses

 

Reproduction

Playback through different ways:

-By stems and graft from one branch gives a new stalk is transplanted.

-By seeds, this is the most widely used methods of reproduction.

 

Cultivation

The rose is a shrub that supports well water scarcity, your watering can lead to fungus growth, one of the biggest problems for the plant.

 

During the summer months where there is more sunlight rose production is higher than during the winter months with less daylight hours. Temperature also affects the production, temperatures below 15 ° retard plant growth and causes deformities occur with many flower petals, temperatures over 30 ° make small flowers are formed with few petals.

The plant needs a ventilated place preferably helping to curb the growth of fungus; greenhouse cultivation facilitates the production of roses for all year

 

Pests

Aphids: Appears with not very high temperatures and low humidity, it is a larva of about 3 mm in length that attacks young leaves, causing his fall

 

Red spider: Appears when temperatures are high and humidity low, produces a yellow stain on the sheets, then forms a spiderweb on the underside of the leaves and the leaves finally fall

 

Diseases

Downy mildew or blight (Peronospora sparsa): Appear brown spots on the leaves, this is usually due to a high temperature and humidity, is combated by good ventilation plant

 

Botrytis gray mold (Botrytis cinerea): It occurs in areas with low temperature and high humidity, fungus appear on the ground, in the land ... They fight with good ventilation and constant cleaning of affected plants

 

Curiosities

It is the most sold flower in the world

Between 50 and 60% of world production is of red roses, followed by 20% that is of pink roses

There are also multicoloured roses, all genetically modified plants

There are areas where greenhouse cultivation during the coldest months of the year is due to provide heat that decreases greenhouse rose production.

During the last few years is starting to grow roses without soil, using hydroponics, this will ensure the disappearance of certain fungi and pathogens.

It is very fashionable appearance of roses or rose type mini bonsai.


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