[Objective] M3 progenies of Jingnong 6 variety induced by EMS chemical mutagenesis were screened and identified for obtaining valuable mutation material.[Method] Azuki bean cultivar Jingnong 6 was treated with EMS.The...[Objective] M3 progenies of Jingnong 6 variety induced by EMS chemical mutagenesis were screened and identified for obtaining valuable mutation material.[Method] Azuki bean cultivar Jingnong 6 was treated with EMS.The mutation rate,mutation types,agronomic traits and yield components of the leaf mutants were analyzed.[Result] The results showed that there is the most abundant mutational type of leaf shape and the highest mutation frequency treated with 0.9% EMS for 24 hours.Comprehensive analysis on agronom...展开更多
120 azuki bean germplasms from different regions of China were selected for drought-resistance. Results showed that there is a significant positive correlation between drought-resistance and photooxidation-resistance....120 azuki bean germplasms from different regions of China were selected for drought-resistance. Results showed that there is a significant positive correlation between drought-resistance and photooxidation-resistance. So, the detecting technique for photooxidation-resistance should be suggested as a reference method to select the drought-resistance germplasms in azuki bean.展开更多
Three field experiments were carried out during 2017-2019 at the University of Guelph Huron Research Station near Exeter, Ontario, Canada to determine the effect of halosulfuron rate (25, 37.5 or 50 g<span style=&q...Three field experiments were carried out during 2017-2019 at the University of Guelph Huron Research Station near Exeter, Ontario, Canada to determine the effect of halosulfuron rate (25, 37.5 or 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup>) and application timing (POST 1, POST 2 and POST 3) on volunteer azuki bean control in white bean. At POST 1, halosulfuron at 25, 37.5 and 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup> controlled volunteer azuki bean 46% - 50% at 1 week after application (WAA), controlled decreased to 16% - 25% at 8 WAA. At POST 2, volunteer azuki bean controlled decreased from 34% - 39% at 1 WAA to 17% - 27% at 8 WAA. A similar trend was observed at POST 3. Halosulfuron applied POST 1 at 25, 37.5 and 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup> reduced biomass 49%, 64% and 69%, respectively. Halosulfuron applied POST 2 did not reduce volunteer azuki bean biomass at 25 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup>, but decreased biomass 51% at 37.5 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup> and 49% at 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup>. Similarly, halosulfuron applied POST 3 did not reduce volunteer azuki bean biomass at 25 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup>, but decreased biomass 40% at 37.5 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup> and 44% at 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup>. There was as much as 19%, 22% and 25% dockage with halosulfuron applied POST 1, POST 2 and POST 3, respectively. Volunteer azuki bean interference reduced white bean yield 40%. Reduced volunteer azuki bean interference with halosulfuron applied POST 1 at 37.5 or 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup> resulted in an increase in white bean yield relative to the weedy control;however white yield was less than the weed-free control. This study concludes that halosulfuron at rates and application timings evaluated does not provide adequate control of volunteer azuki bean in white bean.展开更多
Limited information is available on the sensitivity of dry beans to </span><span style="font-family:Verdana;">tribenuron and carfentrazone applied preplant (PP).</span><span style="...Limited information is available on the sensitivity of dry beans to </span><span style="font-family:Verdana;">tribenuron and carfentrazone applied preplant (PP).</span><span style="font-family:""> </span><span style="font-family:""><span style="font-family:Verdana;">Four field trials were conducted at Exeter and Ridgetown, ON, Canada in 2019 and 2020 to determine the toler</span><span style="font-family:Verdana;">ance of azuki, kidney, small red and white beans to glyphosate (1800</span><span style="font-family:Verdana;"> g·ae·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) + tribenuron (15 g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ai</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">), glyphosate (1800 </span><a name="_Hlk64540918"></a><span style="font-family:Verdana;">g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ae</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) + carfentrazone (35 </span><span style="font-family:Verdana;">g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ai</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) and glyphosate (1800 g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ae</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) + tribenuron (15 g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ai</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) + car</span><span style="font-family:Verdana;">fentrazone (35 g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ai</span><span style="font-family:Verdana;">·</span><span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) applied PP 1 - 2 days prior to seeding dry beans.</span></span><span style="font-family:Verdana;"> Glyphosate + tribenuron, glyphosate + carfentrazone, and glyphosate + tribenuron + carfentrazone, applied PP, caused 5%, 5% and 9% bean injury at 1 WAE;7%, 6% and 10% bean injury at 2 WAE and 6%, 5% and 8% bean injury at 4 WAE, respectively. At 8 WAE, there was 0, 1% and 4% injury in azuki bean;1%, 2% and 2% injury in kidney bean;3%, 2% and 3% injury in small red bean;and 6%, 3% and 2% injury in white bean with glyphosate + tribenuron, glyphosate + carfentrazone, and glyphosate + tribenuron + carfentrazone applied PP, respectively. The injury was significantly greater with glyphosate + tribenuron in small red and white beans compared to the azuki and kidney beans. There was no difference between injury levels among market classes of dry been with glyphosate + carfentrazone or glyphosate + tribenuron + carfentrazone applied PP. There was no effect of glyphosate + tribenuron, glyphosate + carfentrazone and glyphosate + tribenuron + carfentrazone on dry bean plant stand, maturity and seed yield. However, dry bean biomass was reduced as much as 15% with glyphosate + tribenuron and 13% </span><span style="font-family:Verdana;">with glyphosate + tribenuron + carfentrazone compared to the untreated</span><span style="font-family:Verdana;"> control. Dry bean height was reduced 4% with glyphosate + tribenuron + carfentrazone but was not affected with other treatments. Based on these results, there is potential for using glyphosate plus tribenuron or carfentrazone for preplant weed management in dry bean production.展开更多
基金Supported by Introducing Talent Fund of Beijing University of Agricul-tural(9997116025)Elite Teaching Fund of Beijing Education Committee(PXM2007-014207-04453)Prominent Elite Fund of Beijing Education Committee(PXM2007-014207-044560)~~
文摘[Objective] M3 progenies of Jingnong 6 variety induced by EMS chemical mutagenesis were screened and identified for obtaining valuable mutation material.[Method] Azuki bean cultivar Jingnong 6 was treated with EMS.The mutation rate,mutation types,agronomic traits and yield components of the leaf mutants were analyzed.[Result] The results showed that there is the most abundant mutational type of leaf shape and the highest mutation frequency treated with 0.9% EMS for 24 hours.Comprehensive analysis on agronom...
文摘120 azuki bean germplasms from different regions of China were selected for drought-resistance. Results showed that there is a significant positive correlation between drought-resistance and photooxidation-resistance. So, the detecting technique for photooxidation-resistance should be suggested as a reference method to select the drought-resistance germplasms in azuki bean.
文摘Three field experiments were carried out during 2017-2019 at the University of Guelph Huron Research Station near Exeter, Ontario, Canada to determine the effect of halosulfuron rate (25, 37.5 or 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup>) and application timing (POST 1, POST 2 and POST 3) on volunteer azuki bean control in white bean. At POST 1, halosulfuron at 25, 37.5 and 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup> controlled volunteer azuki bean 46% - 50% at 1 week after application (WAA), controlled decreased to 16% - 25% at 8 WAA. At POST 2, volunteer azuki bean controlled decreased from 34% - 39% at 1 WAA to 17% - 27% at 8 WAA. A similar trend was observed at POST 3. Halosulfuron applied POST 1 at 25, 37.5 and 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup> reduced biomass 49%, 64% and 69%, respectively. Halosulfuron applied POST 2 did not reduce volunteer azuki bean biomass at 25 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup>, but decreased biomass 51% at 37.5 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup> and 49% at 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup>. Similarly, halosulfuron applied POST 3 did not reduce volunteer azuki bean biomass at 25 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup>, but decreased biomass 40% at 37.5 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup> and 44% at 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup>. There was as much as 19%, 22% and 25% dockage with halosulfuron applied POST 1, POST 2 and POST 3, respectively. Volunteer azuki bean interference reduced white bean yield 40%. Reduced volunteer azuki bean interference with halosulfuron applied POST 1 at 37.5 or 50 g<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ai<span style="white-space:nowrap;"><span style="white-space:nowrap;">∙</span></span>ha<sup>-1</sup> resulted in an increase in white bean yield relative to the weedy control;however white yield was less than the weed-free control. This study concludes that halosulfuron at rates and application timings evaluated does not provide adequate control of volunteer azuki bean in white bean.
文摘Limited information is available on the sensitivity of dry beans to </span><span style="font-family:Verdana;">tribenuron and carfentrazone applied preplant (PP).</span><span style="font-family:""> </span><span style="font-family:""><span style="font-family:Verdana;">Four field trials were conducted at Exeter and Ridgetown, ON, Canada in 2019 and 2020 to determine the toler</span><span style="font-family:Verdana;">ance of azuki, kidney, small red and white beans to glyphosate (1800</span><span style="font-family:Verdana;"> g·ae·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) + tribenuron (15 g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ai</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">), glyphosate (1800 </span><a name="_Hlk64540918"></a><span style="font-family:Verdana;">g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ae</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) + carfentrazone (35 </span><span style="font-family:Verdana;">g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ai</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) and glyphosate (1800 g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ae</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) + tribenuron (15 g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ai</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) + car</span><span style="font-family:Verdana;">fentrazone (35 g</span><span style="font-family:Verdana;">·</span><span style="font-family:Verdana;">ai</span><span style="font-family:Verdana;">·</span><span><span style="font-family:Verdana;">ha</span><sup><span style="font-family:Verdana;">-1</span></sup><span style="font-family:Verdana;">) applied PP 1 - 2 days prior to seeding dry beans.</span></span><span style="font-family:Verdana;"> Glyphosate + tribenuron, glyphosate + carfentrazone, and glyphosate + tribenuron + carfentrazone, applied PP, caused 5%, 5% and 9% bean injury at 1 WAE;7%, 6% and 10% bean injury at 2 WAE and 6%, 5% and 8% bean injury at 4 WAE, respectively. At 8 WAE, there was 0, 1% and 4% injury in azuki bean;1%, 2% and 2% injury in kidney bean;3%, 2% and 3% injury in small red bean;and 6%, 3% and 2% injury in white bean with glyphosate + tribenuron, glyphosate + carfentrazone, and glyphosate + tribenuron + carfentrazone applied PP, respectively. The injury was significantly greater with glyphosate + tribenuron in small red and white beans compared to the azuki and kidney beans. There was no difference between injury levels among market classes of dry been with glyphosate + carfentrazone or glyphosate + tribenuron + carfentrazone applied PP. There was no effect of glyphosate + tribenuron, glyphosate + carfentrazone and glyphosate + tribenuron + carfentrazone on dry bean plant stand, maturity and seed yield. However, dry bean biomass was reduced as much as 15% with glyphosate + tribenuron and 13% </span><span style="font-family:Verdana;">with glyphosate + tribenuron + carfentrazone compared to the untreated</span><span style="font-family:Verdana;"> control. Dry bean height was reduced 4% with glyphosate + tribenuron + carfentrazone but was not affected with other treatments. Based on these results, there is potential for using glyphosate plus tribenuron or carfentrazone for preplant weed management in dry bean production.