Why do sunflowers face the sun ?

Why do sunflowers face the sun ?
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1 Answer

Answer :

Different types of hormones help in plant growth and physical activity. One such hormone is auxin. Among the various functions of the auxin hormone are stem and leaf growth. This auxin hormone is again responsible for the phototropic action. The reaction of plants with light is phototropic. The side of the auxin hormone that does not receive sunlight, that is, the side where there is shade, grows rapidly. It lowers the pH in the part of the plant where it resides . As a result, its cellulose cells rupture. This creates extra stress. This pressure forces the sunflower to turn towards the sun. Full sunflower but does not turn , facing east.
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Related questions

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Description : Are sunflowers mimicking the way the sun looks?

Last Answer : Besides looking like a sun, they also follow the path of the sun. (Heliotropism.) Mimicking implies it’s changing its appearance to copy the appearance of the sun (like a chameleon). Which sunflowers do not.

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Last Answer : I’m guessing with your climate that would be ok. They might get a little scraggly but they should grow adequately. The reflection from the walls should help.

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Last Answer : Mix water with vinegar and liquid soap to stick to the little bugs bodies. 1 pint water, 2 oz white or yellow vinegar (even apple cider vinegar will work) along with 2 -3 tablespoons of liquid soap. Shake and spray just before sun-up, it should only take maybe 2 sprays to rid them all -Birdy

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Last Answer : we did not cut them but put onions bags around them and tied them to keep the birds off..........then took them off in Oct.

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Last Answer : water them, check the ph should be 6.0-8.0...put some mulch around them.

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Last Answer : test your soil first...............ph should be 6.0-8.0

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Last Answer : Sounds like bugs laying eggs....after the sun starts to go down, mix 1 teasp non-alcohol liquid soap w 1 qt water and spray............spray again after it rains.

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Last Answer : sevin on non edibles............read the label well before mixing.................what for the sun to pass over................wear old long clothes, goggles, mask, gloves and keep children & animals away while it is wet.

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Last Answer : You can divide them up now if you want to, I always split and move my plants in the fall :)

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Last Answer : Certainly not. On the contrary, they will be pleased. At present, however, such feeding is unnecessary. Leave it for the winter

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Last Answer : Sunflowers make beautiful cut flowers, container flowers and are dazzling when added to dried flower arrangements. Unmistakably cheerful, when you know how to grow sunflowers, their prolific blooms attract birds ... seeds and their panoramic blooms bring fun, magic, and good taste to your garden.

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Description : How to Grow Sunflowers

Last Answer : How to Grow Sunflowers Planning the Site Tall sunflowers need to be planted against a wall or fence post for better support. You'll need to stake the plants once they become more established to ... it can be rubbed easily from seed heads. Humidity levels must be kept low to prevent spoilage.

I am black of eye and bright of hair And my feet are firmly in the ground. I love the sun upon my face And I follow it around. When I am dead and gone tis said, That I will droop real low, That I will keep the birds well fed, Standing stiff there in my row. What am I? -Riddles

Description : I am black of eye and bright of hair And my feet are firmly in the ground. I love the sun upon my face And I follow it around. When I am dead and gone tis said, That I will droop real low, That I will keep the birds well fed, Standing stiff there in my row. What am I? -Riddles

Last Answer : A sunflower.

My head bobs lazily in the sun. You think I'm cute, For my face is yellow, My hair is white, and my body is green. What am I? -Riddles

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Last Answer : A daisy.

When you face north the sun and the stars appear to move from to?

Description : When you face north the sun and the stars appear to move from to?

Last Answer : From your right (East) to your left (West) moving behind you.

Does the same side of Mercury always face the Sun?

Description : Does the same side of Mercury always face the Sun?

Last Answer : This was believed to be true a few decades ago, but we now know it isn't so.

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Description : Which of the following statements is true when we see 'rainbow'? (1) We face sun and raindrops (3) 11 Km/Sec. (3) In light rainfall, we face Sun (4) The sky remains clear and the sun is at lower position in the sky

Last Answer : (3) 11 Km/Sec. Explanation: We see rainbows because of the geometry of raindrops. When the sun shines from behind us into the rain, incident rays of light enter the drop and are refracted inwards ... in water droplets in the Earth's atmosphere, resulting in a spectrum of light appearing in the sky.

We always see the same face of the moon, because (1) it is smaller than the earth (2) it revolves on its axis in a direction opposite to that of the earth (3) it takes equal time for revolution around the earth and rotation on its own axis (4) it rotates at the same speed as the earth around the sun

Description : We always see the same face of the moon, because (1) it is smaller than the earth (2) it revolves on its axis in a direction opposite to that of the earth (3) it takes equal time for revolution around the earth and rotation on its own axis (4) it rotates at the same speed as the earth around the sun

Last Answer : it takes equal time for revolution around the earth and rotation on its own axis

Which of the following statements is true when we see ‘rainbow’ ? (1) We face sun and raindrops (2) The Sun remains behind us and we face raindrops (3) In light rainfall, we face Sun (4) The sky remains clear and the sun is at lower position in the sky

Description : Which of the following statements is true when we see ‘rainbow’ ? (1) We face sun and raindrops (2) The Sun remains behind us and we face raindrops (3) In light rainfall, we face Sun (4) The sky remains clear and the sun is at lower position in the sky

Last Answer : The Sun remains behind us and we face raindrops