The destruction of $50\%$ of maize plants in the $USA$ in $1970$ was due to an infection by:
- AHemileia vastatrix
- BHelminthosporium maydis
- CClaviceps purpurea
- DUstilago maydis
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Genetic modification has:
$I$. reduced reliance on chemical pesticides
$II$. reduced post-harvest losses
$III$. increased efficiency of minerals used by the plants
$IV$. enhanced nutritional value of the food
Which of the statements given above are correct?
$I$. reduced reliance on chemical pesticides
$II$. reduced post-harvest losses
$III$. increased efficiency of minerals used by the plants
$IV$. enhanced nutritional value of the food
Which of the statements given above are correct?
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