ETHYLENE

4. Influences of ethylene on plants include horizontal growth of __________,
7. Ethylene promotes __________ growth and root hair formation, increasing the plant's absorption surface.
10. Ethylene accelerates ———————in flowers and fruits, such as in cotton,cherry, and walnut.
11. The most widely used compound as a source of ethylene is __________.
12. Influences of ethylene on plants include swelling of the axis, and apical hook formation in __________ seedlings.
13. Ethylene promotes female flowers in __________, thereby increasing yield.

1. ripening Ethephon hastens __________ in tomatoes and apples.
2. Ethylene promotes senescence and __________ of plant organs, especially of leaves and flowers. Ethylene is highly effective in __________ of fruits.
3. Ethylene is a simple __________ plant growth regulator (PGR).
5. Ethylene breaks seed and bud __________, initiating germination in peanut seeds and sprouting of potato tubers.
6. Ethylene is used to initiate flowering and synchronize fruit set in pineapples, and it induces flowering in __________.
7. Ethylene promotes rapid internode/petiole elongation in deep water __________ plants, helping the upper parts of the shoot remain above water.
8. Ethylene is synthesized in large amounts by tissues undergoing __________ and ripening fruits.
9. The rise in respiration rate during fruit ripening due to ethylene is called __________.