What is the optimum concentration of PEG for drought in-vitro selection in tropical and subtropical fruits?

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Marcin Nowicki

http://scholar.google.pl/scholar?q=%22Psidium+guajava%22+drought+PEG&btnG=&hl=pl&as_sdt=0%2C5

Why PEG and not Mannitol, used regularly in the drought studies?

Sanjeev Kumar

In case of sugar beet, 3-5% PEG6000 was used to induce water deficit stress (Taski-Ajdukovic et al. Electronic J. Biotech. DOI: 10.2225/vol15-issue6-fulltext-9).

One can also use Mannitol or sorbitol...