Crops such as buckwheat (Fagopyrum esculentum) grown in exposed regions can be damaged by the wind - Scottish Highers Biology - Question 12 - 2022
Question 12
Crops such as buckwheat (Fagopyrum esculentum) grown in exposed regions can be damaged by the wind. Long roots help anchor crop plants in the soil, minimizing damage... show full transcript
Worked Solution & Example Answer:Crops such as buckwheat (Fagopyrum esculentum) grown in exposed regions can be damaged by the wind - Scottish Highers Biology - Question 12 - 2022
Step 1
Identify a design feature of the trial that eliminated this bias.
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Answer
The randomization of plots or treatments across the field helped eliminate the bias related to wind exposure.
Step 2
Describe how the investigation took into account any variability in the mass of grain and root length within plants of the same cultivar.
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Answer
The investigation included four plots or replicates of each cultivar, allowing for an average measurement that accounts for variability among individual plants.
Step 3
Cultivar Q
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Answer
Cultivar Q was selected because it has the longest roots, measuring 38.2 cm, which would help secure the plant better in windy conditions.
Step 4
Cultivar T
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Cultivar T was selected as it has the highest mass of grain produced per plot at 4.24 kg, indicating greater yield potential.
Step 5
Explain why F1 hybrids are not usually bred together in plant breeding programmes.
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F1 hybrids are not usually bred together because the F2 generation can exhibit too much variation, which can lead to inconsistent traits and lower overall quality.
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