Home | Looking for something? Sign In | New here? Sign Up | Log out

Selasa, 29 Maret 2011

what is a sunflower

Selasa, 29 Maret 2011

Sunflower is a yellow flower which would add to the beauty of the park or your garden. However, whether this interest is really facing toward the sun as the name suggests?all parts of the sunflower is heliotropis, ie, always following the sun. great,so every sun from east to west, is to follow the sun flower, great, great !!!!!
Sunflower plants also store Auxin. Auxin is a plant hormone that controls growth. Usually the number of Auxin more on the side away from the sun. That is the cause of sunflower stems always grow toward light. However, the flowers are already in full bloom no longer be heliotropis. Nevertheless sunflower always faces toward the east.
Today, sunflowers have economic value. Sunflower seed oil can be used to produce very good quality. Such oils can be used in cooking, salad dressings, and margarine. Sunflower seeds have high nutritional value.Sunflower (Helianthus annuus L.) is an annual plant of the tribe kenikir-kenikiran (Asteraceae) are popular, both as an ornamental plant as well as oil-producing plants. Flowers of this plant is very distinctive: large, usually bright yellow, with a large flower head (diameter can reach 30cm). This flower is actually a compound flower, composed of hundreds to thousands of small flowers on one head. Sunflower also have a peculiar behavior, namely the interest is always facing toward the sun or heliotropisme. The French call it tournesol or "wanderer the sun". However, these properties removed in a variety of new cultivars for oil production because it takes a lot of energy and reduce yield.There are four groups for sunflower cultivation distinguished by its usefulness. Cultivars that are assembled usually directed at one specific purpose only.

Oil-producing group, used oil seeds. Seeds of this group has a thin shell of seeds. The content of the oil ranges from 48% to 52%. To produce one liter of oil from the seeds required about 60 bunches of compound interest.
Group of animal feed, harvested leaves as feed or green manure.
Groups of ornamental plants, which have varying petal color and has many flowering branches,
Group of watermelon seeds, to harvest the seeds as food.

0 komentar:

Posting Komentar