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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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When you dig up a plant to move it from one spot to another, the plant is more likely to survive if some of the soil around the roots is transferred to the new location along with the plant. Make a hypothesis that explains this observation, and then design an experiment to test your hypothesis.

Summary Introduction

To propose: A hypothesis and design an experiment to test the hypothesis.

Concept introduction: Mycorrhizal association is a mutual relationship between the mycorrhizae (soil fungi) and plant roots. The plants provide carbohydrates for the growth of fungi, while the fungi help to increase the surface area of their roots. This association is very important to make soil healthier and fertile.

Explanation

 Mycorrhizal associations in plants increase the surface area of plant roots that are important for the following functions:

  • Increased uptake of water and minerals;
  • Increased transplanting success (the plant must be transplanted surrounded with soil. It ensures the presence of mycorrhizae associated with root);
  • Enhanced resistance in plants (drought, stress tolerance, and disease resistance);
  • Lesser need of fertilizer.

Transferring a plant from one field to another or one place to another is done by transplanting the plants with the soil around them. This is done because the soil around the plants contains mycorrhizae that helps to maintain the sudden environment change and increases the surface area of roots...

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