Seed Storage and Preservation Techniques

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Questions and Answers

What is the primary purpose of seed storage?

To prolong the aesthetic appeal of the seeds
To genetically modify the seeds for better growth
To preserve viable seeds for future sowing (correct)
To enhance the germination rate of seeds

Which factor does NOT affect the best sowing date for a species in a nursery?

The time needed for planting stock to reach the right size
Seasonal climate conditions
The availability of water during sowing (correct)
The anticipated date of planting

For how long might seeds be stored if a species bears an abundant seed crop at intervals of several years?

Up to 1 year
Under 6 months
1 - 5 years or more (correct)
Decades

What determines the appropriate storage facilities for seeds?

<p>The amount of seeds and the storage duration needed (C)</p> Signup and view all the answers

What is a common consequence of inadequate storage conditions for seeds?

<p>A significant portion of seeds may die before reaching the nursery (C)</p> Signup and view all the answers

Flashcards

Seed storage

Preservation of viable seeds from the time of collection until needed for sowing.

Best sowing date

The best time to sow seeds for a species depends on the anticipated planting date and the time needed for seedlings to reach the right size in the nursery.

Short-term storage

Storing seeds for up to a year to ensure sowing during the optimal season when seed production and afforestation are annual events.

Long-term storage (intermediate)

Storing seeds for 1-5 years or more to cover annual afforestation needs during years of poor seed production.

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Long-term storage (conservation)

Storing seeds for decades to conserve genetic resources of species.

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Study Notes

Seed Storage

Storage is the preservation of viable seeds from collection to sowing.
Seeds for afforestation can be sown immediately after collection.
Best sowing date depends on planting date (influenced by climate) and nursery growing time.
Best sowing date rarely coincides with seed collection.
Storage is often required for varying periods.

Storage Periods

Up to one year: For species with regular annual seed production and sowing.
1-5+ years: Species with abundant seed crops at intervals. Sufficient seed must be collected in good years to cover needs in poor seed years.
Long-term: For conservation of genetic resources. Storage time varies by species longevity and conditions. Measures in decades for easily storable species.

Storage Facility Considerations

Facilities must match the seed amount and storage period.
Expensive facilities for long-term storage are unnecessary if seeds will only be stored for a short period.
Inadequate storage conditions can quickly decrease seed viability

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Description

This quiz explores the methods and considerations involved in seed storage, from the initial collection to the ideal sowing date. It covers storage periods for various species and factors influencing the choice of storage facilities. Understand the importance of preserving genetic resources through appropriate storage practices.