Intraspecific competition is a competition between members of the same species and is commonly observed in crop plants. Table 6.2 shows the results of a greenhouse experiment which examined the effects of density on the germination and growth of barley. Plants were grown for two weeks in 10- cm diameter pots kept in identical environmental conditions and watered regularly. At the end of the experiment the plants were cropped by cutting the stems at the soil surface. Based from the given table and graph, discuss the data and  the relationship of the two factors (Mean wet biomass of plants (g) and  Number of plants that germinated). Then, what is the effect of density to the Mean wet biomass of plants?

Biology 2e
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ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter46: Ecosystems
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Intraspecific competition is a competition between members of the same species and is commonly observed in crop plants. Table 6.2 shows the results of a greenhouse experiment which examined the effects of density on the germination and growth of barley. Plants were grown for two weeks in 10- cm diameter pots kept in identical environmental conditions and watered regularly. At the end of the experiment the plants were cropped by cutting the stems at the soil surface.

Based from the given table and graph, discuss the data and  the relationship of the two factors (Mean wet biomass of plants (g) and  Number of plants that germinated). Then, what is the effect of density to the Mean wet biomass of plants?

 

EFFECT OF DENSITY TO MEAN
Number
of
plants
that Total wet biomass of plants Mean wet biomass of plants
germinated
43
(g)
17
(g)
0.395
0.243
WET BIOMASS OF PLANTS (G)
88
21.4
0.5
168
27.7
0.165
0.4
332
40.9
0.123
0.3
0.2
0.1
50
100
150
200
250
300
350
Number of plants that germinated
Mean wet biomass of plants (g)
Transcribed Image Text:EFFECT OF DENSITY TO MEAN Number of plants that Total wet biomass of plants Mean wet biomass of plants germinated 43 (g) 17 (g) 0.395 0.243 WET BIOMASS OF PLANTS (G) 88 21.4 0.5 168 27.7 0.165 0.4 332 40.9 0.123 0.3 0.2 0.1 50 100 150 200 250 300 350 Number of plants that germinated Mean wet biomass of plants (g)
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