Table 2: Chromosome pairing at meiotic metaphase-I observed in PMCs and pollen fertility in the cotton desynaptic parental plants (DPPs) and their monosomics (Mo) progenies.

Material MoChromosome numberChromosome associationsPollen fertility
Total number of cellsNumber of univalents  Frequency of chromosome
associations (in average per cell)
Total number
 of pollen
 grains
Fertility, (%)
univalentsbivalents

1609/66-DPP52602–124.77 ± 0.4823.62 ± 0.2465670.12 ± 1.79
1609/66-22Mo5551221–31.45 ± 0.1824.77 ± 0.0946693.99 ± 1.10
1609/66-4Mo69513311.00 ± 0.0025.00 ± 0.0049998.27 ± 0.58
1063/63-13-DPP52422–2814.33 ± 0.918.83 ± 0.4540565.68 ± 2.36
1063/63-133Mo7051251–31.08 ± 0.0824.96 ± 0.0463995.15 ± 0.85
1063/63-134Mo71512411.00 ± 0.0025.00 ± 0.0035296.02 ± 1.04
1063/63-135Mo72512111.00 ± 0.0025.00 ± 0.0063296.87 ± 0.69
1063/63-136Mo7351301–31.47 ± 0.1524.77 ± 0.0861298.53 ± 0.49
1570/149-3-DPP52422–82.43 ± 0.3124.79 ± 0.1544094.09 ± 1.12
1570/149-318Mo78511811.00 ± 0.0025.00 ± 0.00
1570/149-13-DPP52152–62.67 ± 0.4624.67 ± 0.2346795.29 ± 0.98
1570/149-137Mo85511611.00 ± 0.0025.00 ± 0.0098497.97 ± 0.45
179/2-DPP52322–82.50 ± 0.3724.75 ± 0.19157–5372.61 ± 1.27–91.81 ± 1.18
179/212Mo87512011.00 ± 0.0025.00 ± 0.00217–69340.09 ± 3.33–92.93 ± 0.97
356/8-DPP521821.67 ± 0.1825.17 ± 0.0940161.35 ± 2.43
356/85Mo5851331–31.12 ± 0.0824.94 ± 0.0468581.02 ± 1.50
356/86Mo59512411.00 ± 0.0025.00 ± 0.00222–12922.25 ± 1.00–70.12 ± 1.27
356/87Mo60512211.00 ± 0.0025.00 ± 0.0030738.44 ± 2.78
356/88-unknown caryotype45253.98 ± 2.34
356/88-14Mo79512211.00 ± 0.0025.00 ± 0.0066692.94 ± 0.99
356/88-15Mo80512011.00 ± 0.0025.00 ± 0.0044799.78 ± 0.22
356/88-5Mo8451391–31.41 ± 0.1324.79 ± 0.0732298.14 ± 0.75
356/88-2Mo9151191–31.11 ± 0.1124.95 ± 0.0565–72653.85 ± 6.18–89.81 ± 1.12

DPP: desynaptic parental plants showed in bold-faced letters.