Study on the Utilization of Aphid Resistant Character in Wild Soybean. I. Aphid Resistant Performance of F2 Generation from Crosses Between Cultivated and Wild Soybeans

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dc.contributor.author Sun, Zhiqiang
dc.contributor.author Tian, Peizhan
dc.contributor.author Wang, Jian
dc.date.accessioned 2017-06-01T16:41:44Z
dc.date.available 2017-06-01T16:41:44Z
dc.identifier.uri http://hdl.handle.net/2097/35656
dc.description Three crosses between 3 cultivat ed (G. max) and 2 aphid resistant wild soybean (G. soja) lines were made to study the inheritance of resistance and segregation patterns in F 2 generation with artificial inoculation technique s. The aphid resistance of F2 plants showed continuous mono-peek distributions which are inclined towards the susceptible parents. Most F2 plants were susceptible or highly susceptible. Only about 7.2 to 10.2% of the F2 plants were resistant to soybean aphid. The segregations in 2 out of 3 crosses studied fitted the hyp othesis that there are 2 independent gene pairs controlling the aphid resistant character of the wild soybean lines (P > 0.50). The segregation of the other cross also tended to fit the 2 major gene model. These results indicated that the aphid resistance of the wild parents might be controlled by 2 independent recessive genes and some other minor genes. Supposing that the aphid resistant character was quantitatively inherited, the overall inheritability estimated from the variances of parents and F 2 populations was between 85.5% and 97.0%. Despite of the high inheritability of aphid resistance, it is recommended that the selection of resistance should be postponed to later generations such as F3 or F4 , because the scarcity of resistant genes may be recessively inherited, and the number of backcrosses made in each cycle of selection should be limited to avoid the resistant genes being lost.
dc.description Originating text in Chinese.
dc.description Citation: Sun, Zhiqiang, Tian, Peizhan, Wang, Jian. (1991). Study on the Utilization of Aphid Resistant Character in Wild Soybean. I. Aphid Resistant Performance of F2 Generation from Crosses Between Cultivated and Wild Soybeans. Soybean Science, 10(2), 98-103.
dc.language.iso eng
dc.relation.uri http://www.refworks.com/refshare?site=015251129867200000/RWWEB101202057/Soybean%20Aphid%20Literature%20for%20Translation&rn=4
dc.rights Copyright for this item remains with the original copyright holder. Permission was obtained from the copyright holder to translate into English, where applicable, and to host the full-text content.
dc.rights.uri http://rightsstatements.org/vocab/InC/1.0/
dc.subject Wild soybean
dc.subject Soybean aphid
dc.subject Resistance segregation
dc.subject Inheritance of resistance
dc.title Study on the Utilization of Aphid Resistant Character in Wild Soybean. I. Aphid Resistant Performance of F2 Generation from Crosses Between Cultivated and Wild Soybeans
dc.type Text
dc.date.published 1991
dc.citation.atitle 野生大豆抗蚜性的利用研究 I. 栽培大豆和野生大豆杂交F2代的抗蚜性
dc.citation.epage 103
dc.citation.issn 1000-9841
dc.citation.issue 2
dc.citation.jtitle Soybean Science
dc.citation.spage 98
dc.citation.volume 10


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Copyright for this item remains with the original copyright holder.  Permission was obtained from the copyright holder to translate into English, where applicable, and to host the full-text content. Except where otherwise noted, the use of this item is bound by the following: Copyright for this item remains with the original copyright holder. Permission was obtained from the copyright holder to translate into English, where applicable, and to host the full-text content.

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