Effects of 1-Methylcyclopropene on Cotton Plants Under Normal and High Temperature

 

High temperature stress is one of the limiting factors of cotton (Gossypium hirsutum L.) yield. Ethylene plays an important role in fruit ripening and square and boll abscission in cotton. Cotton plants produce more ethylene when subjected to stress conditions which results in the loss of fruit and ultimately affects the yield. This study investigated the physiological effects of the ethylene inhibiting compound 1-methycyclopropene (1-MCP) on cotton plants grown under normal and high temperature in controlled environmental conditions. Cotton plants were exposed to high temperature regime and 1-MCP treatment at the four-true-leaf stage. Application of 1-MCP resulted in reduction of lipid peroxidation, membrane leakage, and an increase in photosynthesis and transpiration, compared to the untreated plants under heat stress. These results suggest that application of 1-MCP to cotton plants may have the potential to lower the level of heat stress.

See more of: Cotton Agronomy & Physiology Conference Posters
See more of: Cotton Agronomy & Physiology Conference

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