Photosynthetica 1997, 33(11):21-30 | DOI: 10.1023/A:1006851431516

Tolerance of gametophytes of Acrostichum aureum (L.) to salinity and water stress

Xiao-Ping LI1, Bee-Lian ONG1
1 School of Biological Sciences, The National University of Singapore, Singapore, Republic of Singapore

Tolerance of gametophytes of Acrostichum aureum to NaCl and dehydration was investigated under controlled conditions following the changes in chlorophyll fluorescence parameters (Fv/Fm, qP, qN). Salt tolerance was increased by growing gametophytes in low concentrations of NaCl. However, such treatment could not increase the tolerance of gametophytes to dehydration. Under water stress, a decrease in photochemical quenching (qP) was accompanied by an increase in non-photochemical quenching (qN). Under salt stress, qP also decreased, but qN did not change significantly in salt-hardened gametophytes.

Additional key words: chlorophyll fluorescence; dehydration; fern; NaCl; osmotic potential; salt stress

Prepublished online: January 1, 1998; Published: January 1, 1997  Show citation

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Xiao-Ping, L., & ONG, B. (1997). Tolerance of gametophytes of Acrostichum aureum (L.) to salinity and water stress. Photosynthetica, 34(1), 21-30. doi: 10.1023/A:1006851431516
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