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| Content Provider | Springer Nature Link |
|---|---|
| Author | Rai, Rama Kant Singh, Pushpa |
| Copyright Year | 2012 |
| Abstract | Salinity in sugarcane decreases sucrose contents and reduces the efficiency of sucrose recovery in sugar mills. As growth, development and sucrose accumulation are regulated by phosphorus accumulation and modulation of its inorganic and organic fractions during growth cycle, the present experiment was taken up to evaluate the effect of salinity with seven treatments with induced EC$_{e}$ values in three categories (i) Low: <2 dS m$^{−1}$ with de-ionised water (T1) sodium chloride I; 34.2 mg eq L$^{−1}$ (T2), Sodium sulphate I; 53.5 mg eq L$^{−1}$ (T4), and NaCl I + NaSO$_{4}$ I; 17.4 + 24.8 mg eq L$^{−1}$ (T6), (ii) medium : between 3 and 7 dS m$^{−1}$ with sodium chloride II; 205.1 mg eq L$^{−1}$ (T3) and sodium sulphate II; 353.5 mg eq L$^{−1}$ (T5) and (iii) High: >7 dS m$^{−1}$ with NaCl II + NaSO$_{4}$ II (105.3 + 176.3 mg eq L$^{−1}$, (T7), at early growth (160 days) in two sugarcane cultivars CoLk 8102 and Co 1148. T3, T5 and T7 increased the pool size of inorganic phosphorus (P) and decreased organic phosphorus fractions (acid soluble, lipid, nucleotide and nucleoprotein) in leaf laminae of both varieties significantly as compared to control. However inorganic-P pool size was 16, 16 and 13 % higher in CoLk 8102 as compared to Co 1148. On the contrary, organic-P fractions were 26, 23 and 25 % lesser in CoLk 8102 than Co 1148. The inorganic-P fractions were 9, 20 and 14 % higher in CoLk 8102 as compared with Co 1148 while organic-P fractions were lesser by 13, 15 and 11 % in CoLk 8102 as compared with Co 1148 with T2, T4 and T6. Overall, T3, T5 and T7 induced significant reduction in total tissue phosphorus concentration during growth cycle as compared to control in both varieties and showed strong negative correlation with leaf area, cane dry weight and sucrose contents. |
| Starting Page | 165 |
| Ending Page | 176 |
| Page Count | 12 |
| File Format | |
| ISSN | 09721525 |
| Journal | Sugar Tech |
| Volume Number | 15 |
| Issue Number | 2 |
| e-ISSN | 09740740 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2012-12-13 |
| Publisher Place | India |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Sodium salts Soil physico-chemical properties Tissue phosphorus contents Phosphorus fractions Sucrose Sugarcane Leaf laminae Agriculture |
| Content Type | Text |
| Resource Type | Article |
| Subject | Agronomy and Crop Science |
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