Forage Test Ch. 15 Pg. 131-132

Coastal Bermuda Grass uses how many lbs. of water per pound of dry forage?

• 800

• 1,550

• 870

• 135

Answer explanation

This answer is found in chapter 15 pg. 131 in Table 15.1.

What happens to a plant first when soil moisture becomes limiting?

• Less nitrogen is metabolized.

• Photosynthesis is reduced.

• Cell division and enlargement.

• Accumulation of nitrates.

Answer explanation

Chapter 15 pg. 131 paragraph 2.

When root growth is greater than foliage growth plants can maintain a reduced rate of _______ over a considerable time.

• Oxidation

• Photosynthesis

• Nitrogen Fixation

• carbohydrate production

Answer explanation

Chapter 15 pg 131 paragraph 3.

Prolonged water stress will cause photosynthesis to decrease, and eventually ________ production will stop.

• Sugar

• Lipid

• Chlorophyll

• Carbohydrate

Answer explanation

Chapter 15 pg. 131 Paragraph 3

What is a common response to water stress in grass species?

• Leaf Folding

• Leaf Browning

• Leaf Rolling

• Leaf Wilting

During a wet year, Pensacola Bahiagrass uses how many lbs of water per pound of dry forage?

• 800

• 500

• 870

• 1,550

In a drought year Common Bermudagrass uses how many lbs of water per pound of dry forage?

• 1,550

• 870

• 800

• 600

Forage plants that roots grow ______ and have ____ root volume should be more drought tolerant in periods of low rainfall.

• low, wide

• wide, shallow

• deep, low

• deep, high

_______ are generally deeper rooted than cool season grasses.

• Warm Season Perennials

• Cool Season Annuals

• Warm Season Annuals

• Cool Season Perennials

Sericea Lespedeza has a maximum root depth of ____ inches?

• 55

• 40

• 56

• 50

Answer explanation

Chapter 15 pg. 132 Table 15.2