Examples of Plant Hormone Effects

Table 301 Examples of Plant Hormone Effects Hormone Effect Ahscisi: zcid (ABA) closes sioniala In times of s1ress Inhlbns snool growth Inhlbns seed germlnallon Invoived In apiolio sires; responses Invoived In onloroplasl movement Auxin Coordinales eliesls ol other planl nonnones dunng developmenl ol stools and roots Role in apioal donnnanoe surnulales oell expanslon Role in absclsslon Medlates tmplsms Stlmulales mens’tem oell dMSan Enssillnsieroifl Regulates developmenl ol anlners and pollen Role in issue defense Role in iron npemng Cylokinin Stlmulales dillerenliaiion ol mot menstem oells Stlmulales dlvlslon o1 shoot aplcal mevlsiem oells Inhlbfls laleval mot lmtla‘lon Emylene Invoived In breaklng dormancy surnulales llower organ developmenl surnulales lnm npening surnulales absclsslon InvoWed In s1ress responses Gidderellin surnulales oell leslon, elongalion in slerns Moblllzes iood reserves in germlnatlng seeds surnulales llowenng Jasmdnic acid lnddoes expresslon of genes used in delense Invoived In lnigniolropio response Nitric oxide Ablotlc and blotlc s1ress delense responses Enhances genninalion Invoived In lhlgmolroplc response Salicylic acid Ami/ates syslenno acqulled leslslanoe Slrignllflone Opposes auxln's elleols Role in aproal donnnanoe