Salt tolerance in sugarcane (Saccharum officinarum L) di Muhammad Ashraf edito da LAP Lambert Acad. Publ.
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Salt tolerance in sugarcane (Saccharum officinarum L)

Soil salinity and sugarcane

EAN:

9783838341309

ISBN:

3838341309

Pagine:
264
Formato:
Paperback
Lingua:
Tedesco
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Descrizione Salt tolerance in sugarcane (Saccharum officinarum L)

Soil salinity is one of the major abiotic stresses, which pose a severe threat to agriculture in arid and semiarid regions of world. Sugarcane (Saccharum officinarum L) is moderately sensitive to salinity with a threshold value of 1.7 dS m-1. However, wide differences were found in this crop for salinity tolerance. Potassium (K) and silicon (Si) significantly (P ¿0.05) improved growth, yield and juice quality of sugarcane under salt stress. The beneficial effects of K and Si were more pronounced in salt sensitive genotypes than in salt tolerant genotypes. Major mechanisms of K and Si mediated salt tolerance in sugarcane were the reduced uptake of Na+ and its transport to shoot, increased K+ accumulation and maintenance of higher K+/Na+ ratio which is a good indicator to assess salt tolerance.

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