Table 2.
Quantitative trait loci (QTLs) of drought tolerance in cotton.
| QTL | Traits | Size and Type of Population | Number and Types of Markers Used | Reference |
|---|---|---|---|---|
| 49 | Lint yield, seed cotton yield, fiber length, fiber elongation, boll weight, leaf area, fresh shoot weight, and plant height | 97 F5:9 RILs (TM-1 × NM24016) | RGA-AFLP, SSR and GBS-SNP (1004) | [125] |
| 59 | Canopy temperature, normalized difference vegetation index, canopy height, and leaf area index | 95 RIL (TM-1 × NM24016) | SSR (429) | [126] |
| 67 | Plant height, chlorophyll content, leaf number, leaf area, leaf dry and fresh weights, number of fruiting branches, number of bolls, and boll weight | 188 F2:3 (CRI-12 × AD3-00) | SSR (1295) | [113] |
| 6 | Plant height, and fresh shoot and root weight. | 142 BILs (Pima S-7 × Sure-Grow747) | AFLP, RGA and RGA-AFLP (34) | [127] |
| 14 | Chlorophyll content, leaf temperature, fresh shoot and root weight, evapotranspiration, and plant height | 140 RILs (Dan-dara × Giza-70) | SSCP (165) | [116] |
| 3 | Excised leaf water loss and relative water content | 100 F2 (B-557 × FH1000) | SSR and EST-SSR (524) | [109] |
| 6 | Relative water content, excised leaf water loss, cell membrane stability, stomatal frequency, and stomatal size | 100 F2 (FH-207 × FH901) | EST-SSR (2365) | [128] |
| 7 | Chlorophyll content, osmotic potential, carbon isotope ratio, and seed cotton yield | 28 NILs (GH ‘Sivon’ × GB cv.F-177) | RFLP (279) | [81] |
| 79 | Chlorophyll a and b, carbon isotope ratio, osmotic potential, canopy temperature, dry matter, harvest index, boll weight and boll number, and seed cotton yield | 208 F3 (GH ‘Sivon’ × GB cv.F-177) | RFLP (253) | [110] |
| 3 | Osmotic potential, osmotic adjustment, and plant height | 136 F2 and F2:4 (FH-901 × RH-510) | SSR (6500) | [129] |