Assessment of drought stress responsive genes expression profiles and proline accumulation in a diverse set of grapevine rootstocks

In order to study plant responses drought stress, it is important have markers for such responses. This issue has been a challenge decades and numerous traits used this purpose. the current study, influence of stress on proline biosynthesis, leaf water potential, also gene expression levels 10 genes probably involved in response regulation pathways were investigated. Also, all experiments performed both root tissues studied rootstocks investigate which more suitable assessment possible markers. As result highest percentage increase was mostly observed susceptible rootstocks. The potential (-MPa) measurements showed most decrease values highly tolerant rootstocks, so maximum differences between control treated plants determined SO4, 140Ru, 1045, 44-53M respectively. Gene HAT5, RAP2-4, WRKY23, GRP, GDH, PRP2, GAS2, PD2, STPK, described 18 different grapevine concluded that samples indicating significant changes, could be informative than samples.