Table 1.
Sequence information of SSR polymorphism primers (from http://www.cottonmarker.org/cgi-bin/cmd_search_marker.cgi).
Fig 1.
The images of Gossypium herbaceum (A), G. raimondii (B), Gossypium herbaceum × G. raimondii F1 hybrid (C).
Fig 2.
Morphological characteristics of G. herbaceum(upper, left), G. raimondii (upper, right) and Gossypium herbaceum × G. raimondii F1 hybrid (lower).
A) Leaf. B) Flower. C) Petals, bracts, calyxs, staminal column and filaments.
Fig 3.
Flower characteristics of Gossypiumherbaceum × G. raimondii F1 hybrid.
A-B) Flower. C-D) Staminal column and filaments.
Table 2.
Comparison of main characters of G. herbaceum, G. raimondii, and G.herbaceum×G. raimondii.
Fig 4.
The normal and abnormal meiosis behavior of Gossypium herbaceum × G. raimondii F1 hybrid.
A) Normal dyad. B) Unequal separation of dyad. C) Non-synchronized division of dyad in meiosis II. D) Unequal division with various abnormal micronuclei. E) Abnormal polyads.
Fig 5.
Various abnormal pollen grains after meiosis of Gossypium herbaceum × G. raimondii F1 hybrid.
A) Big oval-shaped pollen. B) Small under-developed pollen. C) Deformed pollen. D) Cracked pollen. E) Normal pollen.
Table 3.
Number of multispores in telophase II of AD hybrid meiosis.
Fig 6.
Amplification results for three Gossypium herbaceum × G. raimondii F1 hybrids and two parents using 4 representative SSR primer pairs.
A) BNL4053. B) NAU2026. C) NAU1157. D) NAU1164 respectively.1-5: G. herbaceum, hybrid plant 1, hybrid plant 2, hybrid plant 3, and G. raimondii, respectively. The novel bands produced in hybrid plants were indicated by arrows.