Complete the following paragraphs to explain different methods for breaking seed

Question

Complete the following paragraphs to explain different methods for breaking seed dormancy. scarification pericarps abrasion seed coats refrigeration absorption Physiology can also be responsible for seed dormancy. In the case of some fleshy fruit, inhibitors prevent seeds from germinating until they are free of their surrounding . Similarly, seeds from desert plants contain inhibitors in their _______ that must be removed by rain before germination is initiated. Alternatively, temperate woody plants often require germination stimulators that can only be developed after the seeds have undergone a wet, cold period. Alternatively this can be accomplished through ______ Mechanical circumstances can lead to dormancy in some seeds. For instance, some seed coats are too thick to allow sufficient _______ of oxygen or water However, this type of dormancy may be broken through , an artificial method where the seed is scratched or dipped in acid to break down its coat. Dormancy can also be broken naturally through ______ by rocks, or alternate periods of freezing and thawing

Explanation / Answer

1. sclarification, 2. pericarp, 3.refrigeration

1.absorption, 2. abrasion, 3.abrasion

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