Stay-green in spring wheat can be determined by spectral reflectance measurements (normalized difference vegetation index) independently from phenology.

J Exp Bot · 2012 · PMC3388823 · PMID 22412185

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

highly significantno p-value reported

(2007) observations of highly significant correlations between predicted SPAD at maturity and SPAD taken at maturity as a measurement of stay-green.

also in 132,142 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.