Chapter 2
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sunflower, scientific name Helianthus annuus
components of sunflower root
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ลักษณะ outsideWhen the seeds to 4-5 culture day. The grow out before is the root. The sunflower is a dicotyledonous plants. Notice of root cap and root hairs, while also getting weak and planted in the laboratory system, taproot. When old taproot is bent with secondary root strength.Around the stem and taproot. Help support the water absorbing area, root surface above the soil has greenish yellow color similar to the color of the stems. The roots of underground roots and branches and roots are light brown
.The internal
.When the root is cut transverse tissue cream, a band 3 I see microscope to see วงนอกเป็น cell polygon cream, floor 2 bulk water pipes and food. (Vascula) consists of a circular pipe arranged in a row along the radius.An inner ring is shaped like a tissue cells, outer root to the intestine. In the middle is hollow
.Trunk
type of stem is erect stem, sunflower hybrid seed to extract the bring it stem not stick flowers at the tip, the flowers are large. The stem is high 2.5 - 3.5 meters. The branching stems tall varieties 1.5 - 2.5 meters tree branching out flowers flowers at the tip, smaller internal characteristics within the stem no rubber. Young stem tissue directly the core stem are white, soft, resemble the foam.The old straight stem tissue core is hollow
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. LeavesThe sunflower is a dicot leaf 2 cotyledon cotyledon. Green oval thick will fall after the leaves are true about 6-8 leaf types of leaves. Sunflower leaf as a single sequence of leaves on branches, leaves the pair 1-2 from CotyledonThe following alternate Robin the shape of the leaf is a heart-shaped leaf tip pointed leaf base and petiole slender pointed toward the concave. Leaf margin wavy teeth rounded but not tidy semi leaves light green. The fur is rather long, covered the petiole.Old leaves are green, the color of the leaves behind dark colors and belly feathers are shorter than leaf leaf leaves when ลอกเนื้อเยื่อ abdomen leaves look under a microscope. To see the Stomata Characteristics of stalk and leaves, young leaves petiole is short and straight.The lighter leaves with petiole hairy leaves and leaves the size of sunflower leaves have many size width about
.5 - 30 cm long, about 7 - 40 cm. Depending on the type of species and the size of the stem
. Flowers
a kind of flower bouquet of flowers a tightly clustered (Head)
the flowering
.Some species bloom at the end. Some species of flowering and the axillary shoot tip shape and composition of the flower
.The inflorescence of sunflower was base of inflorescence dome with green bract stacked layer is 3 - 4 layer. It is covered with white hairs on both sides. Sunflower bouquet flowers outside, and the flower consists of sub sub band, which is the 500 flowers to 3000 flowers.Diameter of about 20 - 35 cm. Depending on the type of species or environment, flowers will bloom from the periphery to the sub center. The flowers in the middle of the flower is not complete, with small
.Sub flowers outside
a female flower, pistil and petals of a flower large yellow oval ปลายกลีบ rounded cone pointed petals, each petal is a groove along the length of the petals. Each flower petals 5-6 groove
sub band
.A perfect flower has a calyx 2 cloves separated petals yellow, connected to a tube. The separation is 5 petals, stamens is brown. Connected to a band around the stem, the petals pistil above the ovary.The stamens to before crossing the flower
.The growth of the flowers!After the sunflower seeds germination about 6 - 7 week there will be a bouquet of flowers at the top. The first phase is a green bract leaf tip pointed with a hairy sort stacked 3-4 band. The inflorescence is about a week 7-8 cover.Week 9 - 10 flowers begin to bloom
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. Benefit from sunflower seedsSunflower seeds, chemical composition, various kinds of high nutritional value of protein, fat, zinc, iron, phosphorus, calcium, dietary fiber Vitamin A, vitamin K, B vitamins and vitamin E 2 Especially vitamin E is higher than other plants.Acid), which is a nutrient that the body cannot synthesize it up. Must eat. The unsaturated fat is very useful to the body by prevents diseases embolism in heart.Because of the multi vitamin dissolves in fat such as vitamin a วิา Mindy, vitamin E, vitamin K, aging of the skin. Your skin firm look younger
.Vitamin E is important for health, including the
1.Keeping the skin look bright, young, sunflower seeds, grains rich in vitamin E. And antioxidants (antioxidant) against wrinkles, delay aging of skin cells. It helps the skin bright
2.
3 normal reproductive system.Reduce fat in the blood vessels. Because in the sunflower seeds are polyunsaturated fatty acid is high. This acid to reduce fat in the blood vessels. Also makes red blood cells complete and durable. Gather conglomerate, which causes the tube blood clot.4. In sight. Due to vitamin E is a substance that helps prevent oxygen to react with unsaturated fatty acids within the cornea. It should help prevent cataracts. And vitamin A also help in sight, brighten the eyes
.Sunflower seeds germination
seedlings of sunflower seeds. Soybean protein than about 25 percent protein, vitamin A and e high, brighten the eyes, skin, and slow down the aging
.In addition, sunflower sprouts also contains several other life together, such as vitamin A, vitamin E, protein, others, such as vitamin B 1 B 6 Omega Omega Omega 3 6 9 which nourish the brain cells to prevent dementia.And the high iron
.Seed germination of sunflower seed shell with a
or shell. Soak water 1-2 hours or more, this time, take a white cloth covers. Put in the shade, Mia.
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