This topic contains a solution. Click here to go to the answer

Author Question: Why is sulfuric acid needed in some seed germination? What will be an ideal ... (Read 30 times)

newbem

  • Hero Member
  • *****
  • Posts: 579
Why is sulfuric acid needed in some seed germination?
 
  What will be an ideal response?

Question 2

The reason(s) herbicides are sometimes ineffective is(are) _____.
 
  A) use of the wrong herbicide
  B) inaccurate weed identification
  C) poor timing of applications
  D) all of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

huda

  • Sr. Member
  • ****
  • Posts: 304
Answer to Question 1

Some seed coats are very hard, and water cannot penetrate to the endosperm. In these cases, it is
necessary to scarify the seed. A common way to scarify seed is to nick the seed coat with a knife or a
file. Another method is to soak the seeds in concentrated sulfuric acid.



Answer to Question 2

D




newbem

  • Member
  • Posts: 579
Reply 2 on: Jul 21, 2018
Great answer, keep it coming :)


EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

For a complete list of videos, visit our video library