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Linkage Mapping For Soybean (Glycine Max) Flood Tolerance, Wade Stiles Hummer Dec 2018

Linkage Mapping For Soybean (Glycine Max) Flood Tolerance, Wade Stiles Hummer

Graduate Theses and Dissertations

Flood tolerance in soybean (Glycine max) is not a well-characterized trait, yet flooding damage is second only to drought stress in terms of yield reduction. The objectives of this study were to determine genetic variation for flooding tolerance in two populations of soybean recombinant inbred lines (RILs) and to identify and confirm flood tolerant QTL. Population A (WHA) consisted of 111 RILs derived from the cross 5002T by 91210-350 and Population B (WHB) consisted of 79 RILs from the cross RA-452 by Osage. Experiments were conducted at the Rice Research and Extension Center (RREC) near Stuttgart, AR in 2015 and …


Evaluation Of Soybean Maturity Group And Planting Date In A Soybean-Rice Rotation On Overall Crop Productivity, Carrie Ortel Dec 2018

Evaluation Of Soybean Maturity Group And Planting Date In A Soybean-Rice Rotation On Overall Crop Productivity, Carrie Ortel

Graduate Theses and Dissertations

Little is known about the effects of soybean (Glycine max L.) management techniques on soil-nitrogen (N) credit development and its impact on the subsequent rice (Oryza sativa L.) crop’s success. This study was conducted to determine how soybean maturity group (MG) and planting date effect overall soybean productivity and its influence on the following rice crop. Various soybean planting dates (optimum and late) and MGs (3.5, 4.7, 5.4, and 5.6) were grown and followed in rotation with a rice crop. Six rates of pre-flood fertilizer-N (0, 44, 89, 134, 179, 224 kg N ha-1) were applied to the rice crop. …


Canola Agronomy Research In Western Australia, Department Of Primary Industries And Regional Development, Western Australia, Jackie Bucat, Andrew Blake Sep 2018

Canola Agronomy Research In Western Australia, Department Of Primary Industries And Regional Development, Western Australia, Jackie Bucat, Andrew Blake

Bulletins 4000 -

The Tactical Break Crop Agronomy Project and the Achieving Stable and High Canola Yield Across the Rainfall Zones of WA Project were initiatives originating from a Western Panel Spring Tour of the low rainfall zone. The panel was focussed on investing in research and development to support the expansion of canola into low-medium rainfall zones where it could be incorporated into short-phase cropping systems. The importance of managing nitrogen application in soil with declining organic matter as farms moved from a long pasture phase system was paramount. Furthermore, understanding the management changes required to transition from OP to hybrid canola …