English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Effect of CP4 EPSPS gene on the oil yield of soybean populations With the increase of the biodiesel international price and rising demand, there has been a larger interest in increasing the oil content of soybean cultivars. Besides, today, plant breeding has focused on developing herbicide tolerant cultivars. This research aimed to: a) evaluate the effect of the CP4 EPSPS gene (RR) on oil yield (PO) in transgenic soybean populations; b) estimate useful genetic parameters for breeding programs; c) evaluate PO in transgenic progenies (PT) with conventional and transgenic soybean management; d) predict the most promising crosses for extracting superior lines. It was developed at the Sector of Applied Genetics to Self-Pollinated Species, Department of Genetics, ESALQ/USP. The genetic system comprised a partial dialell 4 x 5, without reciprocals, involving four elite cultivars: two conventional (BRS 133 and Conquista) and two transgenic cultivars (BRS 245 RR and Valiosa RR) and five high oil lines (USP 70.108, USP 70.113, USP 70.010, USP 70.007 and USP 70.042). The F2 plants were evaluated by the thinned single hill descent method with management for conventional soybean; in F2:3 generation progenies were evaluated in 30 experiments, as follows: (i) ten experiments composed of 30 PT F2:3 sprayed with glyphosate; (ii) twenty experiments composed of 30 conventional progenies (PC) and the same 30 PT F2:3 sprayed with herbicides for conventional soybean. The following characters were evaluated: number of days to maturity (NDM), grain yield (PG), oil content (TO) and productivity of oil (PO) in generations F2 and F2: 3; in F2: 3 also were evaluated: plant height at maturity (APM), agronomic value (VA) and lodging (AC) The results showed: a) the RR transgene did not affect the traits in the F2 generation; however in F2:3 it has affected some characters in individuals crosses and all traits in the pooled analysis of crosses; b) there was variation in the F2 generation for general combining ability of parents and also for specific combining ability of crosses; most crosses originated PC and PT with promising PO, mainly caused by the PG superiority; c) the three types of diallel analysis carried out in the F2 for transgenic, conventional and combined parents, were generally consistent, except for the character number of days to maturity from the diallel analysis formed only by the transgenic parents; d) the management of glyphosate favored the performance of PT for most characters; for the TO trait, in particular, the PT produced 21% in transgenic management, 19.6% in the conventional management, while PC produced 20.8%; e) the percentages of selection based on the top class for average TO corresponded to 30% of PC and 28% of PT in conventional management and only 8% of PT in transgenic management.

Efeito do gene CP4 EPSPS na produtividade de óleo em populações de soja