Abstract
Forty two-month-old plants of Dalbergia sissoo and D. latifolia were subjected for 56 d to water deficit induced by withholding water. Drought stress caused a significant reduction in plant height, stem diameter, net photosynthetic rate (P N), transpiration rate (E), and stomatal conductance (g s) in both species, but the reduction was greater in D. sissoo than in D. latifolia. Water use efficiency (P N/E) was adversely affected due to water stress only in D. latifolia, and intrinsic water use efficiency (P N/g s) was increased in both species. There was a slight effect of water stress on variable to maximum fluorescence (Fv/Fm) (quantum yield of photosystem 2) in both species, but the species did not differ significantly in this attribute.
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Ashraf, M., Ashraf, M., Khaliq, A. et al. Growth and Leaf Gas Exchange Characteristics in Dalbergia sissoo Roxb. and D. latifolia Roxb. Under Water Deficit. Photosynthetica 42, 157–160 (2004). https://doi.org/10.1023/B:PHOT.0000040585.31593.38
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DOI: https://doi.org/10.1023/B:PHOT.0000040585.31593.38