Selection of Tomato Genotypes for Drought Tolerance
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Questions and Answers

What was the experimental design used in the study?

  • Randomized block design (correct)
  • Factorial design
  • Completely randomized design
  • Split-plot design
  • How many genotypes were evaluated in the study?

  • 7 (correct)
  • 12
  • 10
  • 5
  • What is the objective of using selection indexes in the study?

  • To compare the performance of different genotypes
  • To evaluate a single characteristic
  • To identify the most tolerant genotype
  • To evaluate multiple characteristics simultaneously (correct)
  • Which genotype is the recurrent genitor in the study?

    <p>UFU-040</p> Signup and view all the answers

    What is the primary goal of the study?

    <p>To select genotypes with agronomic potential and drought tolerance</p> Signup and view all the answers

    How many treatments were evaluated in the study?

    <p>10</p> Signup and view all the answers

    What is the difference in the overall gain between the genotype-ideotype distance and Mulamba & Mock (1978) methods?

    <p>12.2%</p> Signup and view all the answers

    Which selection index was able to select the cv.Santa Clara genotype?

    <p>Smith (1936) and Hazel (1943)</p> Signup and view all the answers

    How many selection indices were used in the study?

    <p>4</p> Signup and view all the answers

    Which genotype demonstrated superior agronomic performance and resistance to water stresses?

    <p>G5=UFU-102-RC3#91335</p> Signup and view all the answers

    How many genotypes were used in the study?

    <p>4</p> Signup and view all the answers

    What was the result of using the genotype-ideotype distance selection index?

    <p>Higher overall gain</p> Signup and view all the answers

    What percentage of the world's soil is subject to drought periods?

    <p>85%</p> Signup and view all the answers

    What is the nature of most plant characters related to water stress tolerance?

    <p>Polygenic and low heritability</p> Signup and view all the answers

    What is the purpose of using selection indexes in breeding programs?

    <p>To select for multiple traits simultaneously</p> Signup and view all the answers

    What is the main goal of the study mentioned in the text?

    <p>To select tomato genotypes with agronomic potential and tolerance to water stresses</p> Signup and view all the answers

    How many selection indexes were used in the study?

    <p>Multiple</p> Signup and view all the answers

    What is the current state of results in tomato breeding for drought tolerance?

    <p>Scare</p> Signup and view all the answers

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