Assertion: sucrose's role | /r/HasProperty | pollock
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Source sentences:
text: A more direct role for fructan as a cryoprotectant for survival of hardy grasses during winter and also as molecules which contribute to osmotic regulation during other types of environmental stress has been suggested (Pollock & Chatterton, 1988; Pontis, 1989; Suzuki & Chatterton, 1993).