Author Question: Explain how photoperiod can control flowering. What will be an ideal ... (Read 30 times)

Yi-Chen

  • Hero Member
  • *****
  • Posts: 550
Explain how photoperiod can control flowering.
 
  What will be an ideal response?

Question 2

When organic amendments such as animal or green manures are added to soils, micronutrient availability generally is enhanced by the production of natural chelating agents.
 
  Indicate whether the statement is true or false



Sweetkitty24130

  • Sr. Member
  • ****
  • Posts: 291
Answer to Question 1

Night length triggers flowering through its affect on a pigment called phytochrome, which has two different forms. Each form is sensitive to different wavelengths of light in the red to far red range. As the night length varies, so does the phytochrome form and this triggers flowering.

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Yi-Chen

  • Hero Member
  • *****
  • Posts: 550

Sweetkitty24130

  • Sr. Member
  • ****
  • Posts: 291
Always glad to help...



 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

For a complete list of videos, visit our video library