IMA 5801B2RF is a medium to short season cultivar with high fiber yield potential. The genes Bt cry1Ac and cry2Ab confer resistance to Lepidoptera and cp4-epsps confers tolerance to the herbicide glyphosate. The key feature of this new cultivar is resistance to ramularia leaf spot and root-knot nematode.
Keywords:
Gossypium hirsutum; fiber yield; Meloidogyne incognita; Ramularia areola
| Trait | IMA 5801B2RF | TMG 44B2RF | FM 954GLT |
|---|---|---|---|
| Plant height (cm) | 110 | 97 | 102 |
| Storm resistance * | 2.0 | 1.4 | 1.7 |
| Maturity rating ** | 2.9 | 2.9 | 2.5 |
| Boll weight (g) | 6.59 | 5.32 | 5.06 |
| Fiber length (UHML) (mm) | 30.4 | 30.8 | 31.7 |
| Uniformity index (ML/ UHML) (%) | 84.4 | 83.4 | 84.1 |
| HVI fiber quality (gf tex-1) | 31.4 | 31.0 | 32.1 |
| Elongation (%) | 6.6 | 6.4 | 6.5 |
| Micronaire reading | 4.79 | 4.26 | 4.32 |
| Reflectance- Rd (%) | 80.5 | 81.3 | 80.9 |
| Yellowness (+b) | 7.9 | 7.4 | 7.8 |
| Short fiber index (%) | 6.31 | 7.08 | 5.90 |
| Spinning Consistency Index (SCI) | 146 | 146 | 154 |
| IMA 5801B2RF | TMG 44B2RF | FM 954GLT | PCC | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| County/State | CY (kg ha-1) | LP (%) | LY (kg ha-1) | CY (kg ha-1) | LP (%) | LY (kg ha-1) | CY (kg ha-1) | LP (%) | LY (kg ha-1) | CY | LY | CV | |
| Primavera do Leste/MT (2017/18) | 6128 | 39.5 | 2422 | 4788 | 42.1 | 2016 | 4996 | 42.9 | 2141 | 25.3 | 16.5 | 12.4 | |
| Campo Verde/MT1 (2017/18) | 5853 | 38.6 | 2262 | 7128 | 38.6 | 2751 | 6590 | 38.9 | 2564 | -14.7 | -14.9 | 9.2 | |
| Campo Verde/MT2 (2017/18) | 6178 | 38.1 | 2356 | 6747 | 42.4 | 2861 | 5931 | 41.2 | 2442 | -2.5 | -11.1 | 10.3 | |
| Sorriso/MT (2017/18) | 6389 | 36.5 | 2332 | 7357 | 40.0 | 2944 | 6963 | 40.3 | 2804 | -10.8 | -18.9 | 13.1 | |
| Campo Novo Parecis/MT (2017/18) | 6909 | 35.3 | 2442 | 6550 | 37.2 | 2433 | 5487 | 41.7 | 2289 | 14.8 | 3.4 | 10.0 | |
| Sapezal/MT (2017/18) | 5468 | 35.4 | 1934 | 7989 | 38.7 | 3092 | 6686 | 39.5 | 2639 | -25.5 | -32.5 | 15.3 | |
| Mean 2017/2018 | 6154 | 37.3 | 2291 | 6760 | 39.8 | 2683 | 6109 | 40.7 | 2480 | -4.4 | -11.2 | ||
| Primavera do Leste/MT1 (2018/19) | 6241 | 37.9 | 2366 | 4744 | 41.9 | 1988 | 5842 | 42.4 | 2478 | 17.9 | 5.9 | 13.1 | |
| Primavera do Leste/MT2 (2018/19) | 5424 | 38.3 | 2075 | 4550 | 42.5 | 1935 | 3815 | 42.2 | 1611 | 29.7 | 17.0 | 13.4 | |
| Campo Verde/MT1 (2018/19) | 5578 | 39.4 | 2198 | 6169 | 41.7 | 2571 | 4459 | 43.7 | 1949 | 5.0 | -2.7 | 11.5 | |
| Campo Verde/MT2 (2018/19) | 6859 | 40.1 | 2748 | 6060 | 42.2 | 2555 | 6196 | 43.4 | 2690 | 11.9 | 4.8 | 13.3 | |
| Sorriso/MT (2018/19) | 5506 | 37.2 | 2048 | 5228 | 41.2 | 2152 | 5503 | 41.2 | 2267 | 2.6 | -7.3 | 12.4 | |
| Campo Novo Parecis/MT (2018/19) | 6628 | 38.9 | 2580 | 5838 | 41.4 | 2419 | 6128 | 42.8 | 2621 | 10.8 | 2.4 | 13.0 | |
| Sapezal/MT (2018/19) | 7272 | 36.7 | 2665 | 6764 | 40.8 | 2760 | 7104 | 40.8 | 2898 | 4.9 | -5.8 | 12.7 | |
| Mean 2018/2019 | 6215 | 38.3 | 2383 | 5622 | 41.7 | 2340 | 5578 | 42.4 | 2359 | 11.0 | 1.4 | ||
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