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How single gene(qualitative) resistance and polygeneic (quantitative resistance), these different resistance types can influence changes in...

How single gene(qualitative) resistance and polygeneic (quantitative resistance), these different resistance types can influence changes in the plant pathogen populations?

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Answer #1

There are two types of resistance-

(1) Qualitative or complete resistance -

Most of the time, lt is easily be overcomed by pathogen populations under heavy selection pressure But still there

some genes of complete resistance that provide durable resistance and decrease the pathogen population.

(2) Quantitative or incomplete resistance-

This type of resistance is most powerfull to influence the disease process as it can not be easily overcomed by

pathogen population.

There are many components of quantitative resistance. component of quantitative resistance is a independent

element that can hamper the disease progress.

Each of component affect one specific stage of the disease cycle.

Thus Both the resistance types can influence changes in the plant pathogen populations.

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