This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A grower planted a crop of poinsettias on schedule. She conducted proper watering, fertilization, ... (Read 41 times)

fbq8i

  • Hero Member
  • *****
  • Posts: 527
on: Jul 22, 2018
A grower planted a crop of poinsettias on schedule. She conducted proper watering, fertilization, pest control, pinching, chemical growth regulation and temperature control. At Christmas the crop had failed to flower and was still green and healthy. Explain how this could have happened.
 
  What will be an ideal response?

Question 2

Why can plants generally be grown at a cooler daytime temperature in the winter than in the summer?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jadwiga9

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 22, 2018
Answer to Question 1

Light reached the crop during the night which placed it under short night
conditions. Since it requires long nights to flower it remained vegetative.

Answer to Question 2

During the winter low light intensity commonly limits photosynthesis.
As a result, the maximum beneficial level of heat is lower.


fbq8i

  • Member
  • Posts: 527
Reply 2 on: Jul 22, 2018
Great answer, keep it coming :)

Joy Chen

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve
The first step is to verify the proper operation of the tester by measuring the air frequency by ... The first step is to verify the proper operation of the tester by measuring the air frequency by ...
Positioning the face cradle. A. Neck in proper alignment. B. Avoid hyperextension. C. Avoid too much ... Positioning the face cradle. A. Neck in proper alignment. B. Avoid hyperextension. C. Avoid too much ...
(a) Monozygotic (MZ) twins result from the fertilization of a single egg by a single sperm. After on (a) Monozygotic (MZ) twins result from the fertilization of a single egg by a single sperm. After on
Photomicrograph of a hermaphroditic nematode and self-fertilization Photomicrograph of a hermaphroditic nematode and self-fertilization
Artificial cross-fertilization of pea plants Artificial cross-fertilization of pea plants
Video: Methods that regulate pH

For a complete list of videos, visit our video library