Screening soybean for adaptation to relay intercropping systems: associations between reproductive organ abscission and yield

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dc.contributor.authorDu, Qing
dc.contributor.authorChen, Ping
dc.contributor.authorZheng, Benchuan
dc.contributor.authorHu, Yongchun
dc.contributor.authorYang, Wenyu
dc.contributor.authorYong, Taiwen
dc.date.accessioned2022-12-01T10:44:39Z
dc.date.available2022-12-01T10:44:39Z
dc.date.issued2022
dc.description.abstractThe flower and pod abscission is one of the characteristics of soybean that severely limits yield, especially when intercropped with maize. Therefore, suitable soybean cultivars for intercropping are urgently needed to improve farmland productivity. We conducted a two-year field experiment to evaluate the flower and pod abscission, dry matter production, and yield advantages of 15 soybean cultivars. The results of the principal component analysis (PCA) and cluster analysis (CA) showed that 15 soybean cultivars were classified into three groups, i.e., high-yielding group (HYG), mid-yielding cultivars (MYG), and low-yielding cultivars (LYG). In the HYG group, ND12 and GX3 had characteristics of more flowers and pods and less abscission of flowers and pods. Moreover, the net assimilation rate (NAR) and relative growth rate (RGR) of HYG were significantly higher than the other. The HYG obtained a considerably higher partition ratio of 53% from biomass to seed than the other. Therefore, selecting and breeding cultivars with the characteristics of more flowers and pods and less abscission of flowers and pods can help to increase soybean yield in intercropping.ca_ES
dc.description.sponsorshipThis research was funded by the Program on Industrial Technology System of National Soybean (CARS-04-PS18), and the National Key Research and Development Program of China (2021YFF1000500). Qing Du was a recipient of a joint PhD scholarship supported by the China Scholarship Council (CSC) (No. 202106910037).ca_ES
dc.identifier.doihttps://doi.org/10.3390/agronomy12102379
dc.identifier.issn2073-4395
dc.identifier.urihttp://hdl.handle.net/10459.1/84444
dc.language.isoengca_ES
dc.publisherMDPIca_ES
dc.relation.isformatofReproducció del document publicat a https://doi.org/10.3390/agronomy12102379ca_ES
dc.relation.ispartofAgronomy, 2022, vol. 12, núm. 10, p. 1-13ca_ES
dc.rightscc-by, (c) Du et al., 2022ca_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessca_ES
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectCluster analysisca_ES
dc.subjectFlower and pod abscissionca_ES
dc.subjectNet assimilation rateca_ES
dc.subjectPrincipal component analysisca_ES
dc.subjectRelative growth rateca_ES
dc.subjectYieldca_ES
dc.subject.otherConreusca_ES
dc.subject.otherSoiaca_ES
dc.subject.otherConreus de llavorsca_ES
dc.titleScreening soybean for adaptation to relay intercropping systems: associations between reproductive organ abscission and yieldca_ES
dc.typeinfo:eu-repo/semantics/articleca_ES
dc.type.versioninfo:eu-repo/semantics/publishedVersionca_ES
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