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Environment‐sensitive genic male sterility in rice and other plants
Plant, Cell & Environment, 2022AbstractEnvironment‐sensitive genic male sterility is a type of male sterility that is affected by both genetic and environmental factors. Environment‐sensitive genic male sterile lines are not only used in two‐line hybrid breeding but are also good materials for studying plant−environment interactions.
Guoqing Peng +3 more
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Genetics of thermosensitive genic male sterility in rice
Euphytica, 1996Inheritance of thermosensitive genic male sterility (TGMS) in Norin PL12 and IR32364TGMS and their allelic relationship were studied from F1, F2 testcross (TC) and F3 generations of the crosses made with the two mutants and several fertile tester parents. F2, TC and F3 segregation behavior for pollen and spikelet fertility indicated that the TGMS trait
R. R. Borkakati, S. S. Virmani
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Euphytica, 2000
The male sterile plants that segregated in a BC5F2 of `C. sericeus × C. cajan var. TT-5' population were maintained by sib mating. The male sterile plants were crossed with ICPL-85012.Approximately 50% of the F1 plants were sterile. F2 plants derived from the fertile F1 plants did not segregate for male sterility. The reciprocal hybrid i.e. ICPL-85012 ×
K.B. Wanjari +3 more
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The male sterile plants that segregated in a BC5F2 of `C. sericeus × C. cajan var. TT-5' population were maintained by sib mating. The male sterile plants were crossed with ICPL-85012.Approximately 50% of the F1 plants were sterile. F2 plants derived from the fertile F1 plants did not segregate for male sterility. The reciprocal hybrid i.e. ICPL-85012 ×
K.B. Wanjari +3 more
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Progress on genic male sterility gene in soybean.
Yi chuan = Hereditas, 2021Male sterility refers to the phenomenon that stamens cannot grow normally and produce viable pollen grains in plants. Hybrid seed production by taking advantage of the trait of male sterility is an effective and quick strategy to increase crop yield. Up to date, the yield of rice (Oryza sativa L.), maize (Zea mays L.), wheat (Triticum aestivum L.) and ...
Xiao Yuan, Sun +8 more
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Analysis of genic male sterility in Brassica oleracea
Euphytica, 1993The male sterility system MS-1 of Brassica oleracea was studied in order to elucidate if nucleo-cytoplasmic interactions determine this system. Crosses of male sterile MS-1 genotypes with heterozygous MS-5 genotypes gave fully fertile F1 progenies. Selfing of seven F1 plants resulted in five F2 populations showing a 9:7 segregation ratio and two a 3:1 ...
C. Kik +2 more
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Euphytica, 2006
Fertility alternation normally occurs in a novel type of thermo-photo-sensitive genic male sterile (TGMS) wheat whose recessive genes in the nucleus are expressed as virtually complete sterility under lower temperature and shorter daylight conditions, but as normal fertility under higher temperature and longer daylight conditions during the ...
Jian-Kui Zhang +4 more
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Fertility alternation normally occurs in a novel type of thermo-photo-sensitive genic male sterile (TGMS) wheat whose recessive genes in the nucleus are expressed as virtually complete sterility under lower temperature and shorter daylight conditions, but as normal fertility under higher temperature and longer daylight conditions during the ...
Jian-Kui Zhang +4 more
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1988
Genic Male Sterility (g-mst) is of a wide occurrence in flowering plants and the majority of the steriles have arisen as spontaneous mutants (Table 2.1). Only a few have been induced after mutagen treatments (Table 2.3). In about 175 species in which mst has spontaneously arisen, the majority are dicots in species as well as in species crosses (Fig.
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Genic Male Sterility (g-mst) is of a wide occurrence in flowering plants and the majority of the steriles have arisen as spontaneous mutants (Table 2.1). Only a few have been induced after mutagen treatments (Table 2.3). In about 175 species in which mst has spontaneously arisen, the majority are dicots in species as well as in species crosses (Fig.
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Cytochemical investigation of genic male-sterility in Chinese cabbage
Sexual Plant Reproduction, 2005A genic male sterile Chinese cabbage, Brassica campestris L. ssp. chinensis Makino, was examined using cytological and cytochemical methods to characterize the process of pollen abortion in this plant. Thick sections of both fertile and sterile anthers at different developmental stages were stained using Toluidine Blue O, Periodic Acid-Schiff’s (PAS ...
Xie, C. T. +4 more
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Environment-sensitive genic male sterility (EGMS) in crops
2001Publisher Summary This chapter discusses environment-sensitive genic male sterility (EGMS) and its use in crops; particular emphasize is given on rice, but the principles and practices reported are applicable to other crops as well. The chapter also discusses the current status of and future outlook for the use of EGMS to develop and use two-line ...
S.S. Virmani, M. Ilyas-Ahmed
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Development of cytoplasmic‐genic male sterility in safflower
Plant Breeding, 2005AbstractAn interspecific cross was made between Carthamaus oxyacantha and the cultivated species C. tinctorius to develop a cytoplasmic‐genic male sterility (CMS) system in safflower. C. oxyacantha was the donor of sterile cytoplasm. The 3: 1 segregation pattern observed in BC1F2 suggested single gene control with dominance of male‐fertility over male ...
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