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1.Orthodox seeds
>seeds can be dried, without damage, to low moisture contents and longevity increases with reductions in both moisture content and temperature (MC 5%).
2.Recalcitrant seeds
>seeds do not survive drying or freezing eg Mangoes, avocados, aquatic plants, large seed fruits (MC of 12-30%).
3.Intermediate seeds
>exhibit the drying tolerance characteristic of the orthodox seeds but are sensitive to low temperature storage like the recalcitrant seeds eg citrus and coffee.
Anganifelix answered the question on June 11, 2018 at 14:12
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