Which of the following are the objectives of plant breeding?

Increasing the nutritional quality

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To decrease tolerance to salinity

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High-yielding

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Disease-free

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Solution

The correct option is D Disease-free
Plant breeding is defined as the genetic improvement of crops in order to create desired plant types. Objectives of plant breeding include:
$∙$ To increase yield, vigour and fertility of the crop.
$∙$ To increase tolerance to environmental condition, salinity, temperature and drought.
$∙$ To prevent the premature falling of buds, fruits, etc.
$∙$ To develop resistance to pests.

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