INTERGENERIC HYBRIDIZATION OF DIPLOTAXIS SPP. WITH <i>Brassica napus</i>: A SOURCE OF NEW CMS SYSTEMS?

Ringdahl, E. A.; McVetty, P. B. E.; Sernyk, J. L.

doi:10.4141/cjps87-030

Cited by 27 publications

(16 citation statements)

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“…Hybridization with a range of Diplotaxis species has been attempted, but only D. erucoides, D. muralis and D. tenufolia have produced viable F 1 progeny (Table 2 and 3). Ringdahl et al (1987) described the F 1 plants as male-sterile, but were able to produce a few seeds by backcrossing the plants to B. napus. Heyn (1977) reported obtaining one F1 plant in a cross using D. tenufolia as the male pollen parent.…”

Section: Resultsmentioning

confidence: 99%

“…Many studies of Brassica napus have involved the use of interspecific hybrids in experiments to define the taxonomic relationships within the Brassiceae family (Karpechenko, 1922;Pearson, 1928;Sinskaia, 1928;Morinaga, 1929a, b) and to study chromosome pairing and behaviour (Catchside, 1934;U, 1935;Haga, 1938;Sikka, 1940;Mizushima, 1950a;Harberd, 1972Harberd, , 1976. Interspecific hybridizations have also been attempted to evaluate the potential for gene transfer (Heyn, 1977;Ringdahl et al, 1987), and several genes have been successfully transferred into B. napus from other species (Lammerink, 1970;Johnston, 1974;Chiang et al, 1979;Roy, 1984). Some recent studies have been aimed at evaluating the potential for transfer of transgenes between oilseed rape and specific recipient species (Bing et al, 1991;Chevre et al, 1992;Kerlan, 1992a, b;Lefol, 1993;Eber et al, 1994).…”

Section: -8819 9 1994 Chapman and Hallmentioning

confidence: 99%

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Opportunities for gene transfer from transgenic oilseed rape (Brassica napus) to related species

Scheffler

Dale

1994

Transgenic Research

169

114

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Before novel transgenic plant genotypes are grown outside containment facilities and evaluated under field conditions, it is necessary to complete a risk assessment to consider the possible consequences of that release. An important aspect of risk assessment is to consider the likelihood and consequences of the transgene being transferred by cross-pollination to related species, including other crops, weeds and ruderal populations. The purpose of this report is to review the literature to assess the ease with which Brassica napus can hybridize with related species. The evidence for hybridization is considered at three levels: a) by open pollination, b) by hand pollination and c) by the use of in vitro ovule and embryo rescue techniques; and also examines the fertility and vigour of the F 1, F 2 and backcross generations. Four species are reported to hybridize with B. napus by open pollination: B. rapa and B. juncea using fully fertile parents; and B. adpressa and R. raphanistrurn using a male-sterile B. napus parent. Seventeen species are reported to form hybrids (including the four species above) with B. napus when pollination is carried out manually. At least 12 of these species were unable to form F 2 progeny, and eight were unable to produce progeny when the Fa was backcrossed to one of the parental species. Many factors will influence the success of hybridization under field conditions, including: distance between the parents, synchrony of flowering, method of pollen spread, specific parental genotypes used, direction of the cross and the environmental conditions. Even where there is a possibility of hybridization between B. napus and a related species growing in the vicinity of a release, poor vigour and high sterility in the hybrids will generally mean that hybrids and their progeny will not survive in either an agricultural or natural habitat.

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Section: Resultsmentioning

confidence: 99%

Section: -8819 9 1994 Chapman and Hallmentioning

confidence: 99%

Opportunities for gene transfer from transgenic oilseed rape (Brassica napus) to related species

Scheffler

Dale

1994

Transgenic Research

169

114

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“…Cheng et al (2002) Bn)Raphanus raphanistrum L. (n09) Eber et al (1994), Baranger et al (1995), Chadoeuf et al (1998), Che`vre et al (1998a, Darmency et al (1998), Lefol et al (1997), Rieger et al (2001), Gue´ritaine et al (2003a, b), Che`vre et al (2003Che`vre et al ( , 2007 [Bn)Raphanus raphanistrum F 1 ] R. raphanistrum Che`vre et al (1997Che`vre et al ( , 1998a Bn)Raphanus sativus L. (n09) Gupta ( (1991, 1996b), Alam et al (1992), Sharma and Singh (1992), Vijayakumar et al (1994), Frello et al (1995), Rao and Shivanna (1997), Gupta (1997), Sandhu and Gupta (2000), Choudhary and Joshi (2001a) et al (1985), Ringdahl et al (1987), Salisbury (1989), Gupta (1997) Diplotaxis siifolia Kunze (n010))Bn Gupta (1997) Hirschfeldia incana)Bn Lefol et al (1996b), Darmency and Fleury (2000) Raphanus raphanistrum)Bn Eber et al (1994), Baranger et al (1995), Darmency et al (1998), Che`vre et al (1997, 1998a, 2000, Gue´ritaine and Darmency (2001), Rieger et al (2001), Gue´ritaine et al (2002Gue´ritaine et al ( , 2003a Leckie et al (1993): Jorgensen and Andersen (1994), Bin...…”

Section: Female Parent)male Parent Citationmentioning

confidence: 99%

The Biology of Canadian Weeds. 137. Brassica napus L. and B. rapa L.

Gulden¹,

Warwick²,

Thomas³

2008

Can. J. Plant Sci.

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. 2008. The Biology of Canadian Weeds. 137. Brassica napus L. and B. rapa. Can. J. Plan Sci. 88: 951Á996. Brassica napus and B. rapa are native to Eurasia. In Canada, these species are commonly referred to as volunteer canola, while feral populations of B. rapa are referred to as birdrape. Brassica napus and B. rapa have been grown commercially for their seed oil content in western Canada since the middle of the last century and volunteer populations are common in fields. Escaped populations of both species are also found along roadways, railways and in waste areas; however, only B. rapa is known to have naturalized, self-sustaining feral populations in these habitats in eastern Canada. Despite these escaped and feral populations, B. napus and B. rapa are mainly a concern in agricultural fields where their combined relative abundance has increased over the past few decades. In the mid 1990s, herbicideresistant genotypes of B. napus were released for commercial production. Herbicide-resistance and the stacking of genes in volunteer populations conferring resistance to multiple herbicides have contributed to increased difficulties in controlling volunteer B. napus in some crops. However, yield loss resulting from volunteer populations is not well documented in Canada.Key words: Brassica napus, Brassica rapa, herbicide resistance, transgene escape, volunteer canola, weed biology Gulden, R. H., Warwick, S. I. et Thomas, A. G. 2008. La biologie des mauvaises herbes au Canada. 137. Brassica napus L. et B. rapa L. Can. J. Plant Sci. 88: 951Á996. Brassica napus et B. rapa sont des plantes originaires d'Eurasie. Au Canada, on les de´signe souvent sous l'expression « canola spontane´», tandis que les peuplements sauvages de B. rapa sont appele´s « navette ». Dans l'Ouest canadien, Brassica napus et B. rapa sont cultive´s commercialement pour l'huile que renferment leurs graines depuis le milieu du sie`cle dernier et les repousses spontane´es sont devenues monnaie courante dans les champs. On observe des peuplements des deux espe`ces le long des routes et des voies ferre´es ainsi que dans les terrains vagues, cependant on sait que seule B. rapa s'est acclimate´e pour donner des populations sauvages et stables dans les meˆmes habitats, dans l'est du pays. Malgre´cela, B. napus et B. rapa demeurent surtout pre´occupants dans les cultures, oul eur abondance relative, une fois combine´s, s'est accrue au cours des dernie`res de´cennies. Au milieu des anne´e 1990, des ge´notypes de B. napus re´sistants aux herbicides ont e´te´homologue´s pour la culture commerciale. Cette re´sistance et l'accumulation des ge`nes qui la codent dans les peuplements spontane´s ont concouru a`compliquer la lutte contre les repousses de B. napus dans certaines cultures. Quoi qu'il en soit, les pertes de rendement qui en re´sultent sont mal e´taye´es au Canada.

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“…The intergeneric hybrids between B. napus and Diplotaxis were reported in several papers (Harberd & McArther, 1980;Ringdahl et al, 1987;Delourme et al, 1989;Vyas et al, 1995;Inomata, 2002a). D. harra is known to have a drought-tolerant trait (Mizushima & Tsunoda, 1967).…”

Section: Introductionmentioning

confidence: 92%

Intergeneric hybrid between Brassica napus and Diplotaxis harra through ovary culture and the cytogenetic analysis of their progenies

Inomata

2005

Euphytica

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Brassica napus (2n = 38) and Diplotaxis harra (2n = 26) were used to investigate gene transfer from D. harra to B. napus. Intergeneric F 1 hybrids (dihaploid 2n = 32 chromosomes) were obtained through ovary culture. The chromosome associations in the first meiotic division was (0-2) III + (2-10) II + (12-28) I . Many seeds were harvested in the F 1 hybrid after backcrossing with B. napus, and from open pollination of the F 1 hybrid. Somatic chromosome numbers of BC 1 and hybrid plants varied from 2n = 26 to 52. In the first meiotic division, high frequencies of bivalent association and relatively low pollen fertility were observed. BC 2 plants generated from the BC 1 plants with 2n = 38 chromosomes, 69.6% showed 2n = 38 chromosomes. Many aneuploids with addition and deletion of chromosomes were also obtained. A bridge plant between B. napus and D. harra with 2n = 32 chromosomes should be valuable material for the breeding of brassica crops.

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INTERGENERIC HYBRIDIZATION OF DIPLOTAXIS SPP. WITH Brassica napus: A SOURCE OF NEW CMS SYSTEMS?

Cited by 27 publications

References 1 publication

Opportunities for gene transfer from transgenic oilseed rape (Brassica napus) to related species

Opportunities for gene transfer from transgenic oilseed rape (Brassica napus) to related species

The Biology of Canadian Weeds. 137. Brassica napus L. and B. rapa L.

Intergeneric hybrid between Brassica napus and Diplotaxis harra through ovary culture and the cytogenetic analysis of their progenies

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