Sugarcane yields in South Africa are restricted largely by drought and little is yet known about adjustments to water stress amongst locally bred cultivars
2003
Key concepts
Scholarcy highlights
- Sugarcane yields in South Africa are restricted largely by drought and little is yet known about adjustments to water stress amongst locally bred cultivars
- Plants of two cultivars were grown in 80-1 bins and were kept free of water stress or were subjected to either moderate stress or severe stress on four occasions
- Osmotic potential, determined by a pressure/volume technique, was −0.93 MPa prior to stress imposition; it fell to −1.27 MPa in unstressed plants and to −1.45 MPa in severely stressed plants when water was withheld for the fourth time
- N11 appeared to be better adapted to water stress than NC0376 in that it could adjust its leaf area more rapidly and tended to elongate at a slightly lower leaf water potential than did NC0376
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