Growth Stimulation

When studying the effect of ethylene on hook formation, it is clear that ethy-lene cannot be strictly defined as a growth-inhibiting hormone. Although the growth-inhibiting role of ethylene has been known since its discovery as a plant growth regulator (Neljubov 1901), in the past decade evidence has accumulated for a growth-stimulating function of ethylene. In the next few sections we will discuss the physiological conditions at different stages in a plant's life where ethylene exercises a growth-promoting function.

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