Both Fusarium and Verticillium wilts are important soil-borne diseases,which can not be effectively controlled by chemical fungicides.The two diseases,especially Verticillium wilt,have
Phosphorus is the second most important macronutrient after nitrogen and it has many vital functions in the life of plants.Most soils have a low available P content,which has become a key limiting factor for increasin...Phosphorus is the second most important macronutrient after nitrogen and it has many vital functions in the life of plants.Most soils have a low available P content,which has become a key limiting factor for increasing crop production.Also,low P use efficiency(PUE)of crops in conjunction with excessive application of P fertilizers has resulted in serious environmental problems.Thus,dissecting the genetic architecture of crop PUE,mining related quantitative trait loci(QTL)and using molecular breeding methods to improve high PUE germplasm are of great significance and serve as an efficient approach for the development of sustainable agriculture.In this review,molecular and phenotypic characteristics of maize inbred lines with high PUE,related QTL and genes as well as low-P responses are summarized.Based on this,a breeding strategy applying genomic selection as the core,and integrating the existing genetic information and molecular breeding techniques is proposed for breeding high PUE maize inbred lines and hybrids.展开更多
We evaluate different Neural Radiance Field(NeRF)techniques for the 3D reconstruction of plants in varied environments,from indoor settings to outdoor fields.Traditional methods usually fail to capture the complex geo...We evaluate different Neural Radiance Field(NeRF)techniques for the 3D reconstruction of plants in varied environments,from indoor settings to outdoor fields.Traditional methods usually fail to capture the complex geometric details of plants,which is crucial for phenotyping and breeding studies.We evaluate the reconstruction fidelity of NeRFs in 3 scenarios with increasing complexity and compare the results with the point cloud obtained using light detection and ranging as ground truth.In the most realistic field scenario,the NeRF models achieve a 74.6%F1 score after 30 min of training on the graphics processing unit,highlighting the efficacy of NeRFs for 3D reconstruction in challenging environments.Additionally,we propose an early stopping technique for NeRF training that almost halves the training time while achieving only a reduction of 7.4%in the average F1 score.This optimization process substantially enhances the speed and efficiency of 3D reconstruction using NeRFs.Our findings demonstrate the potential of NeRFs in detailed and realistic 3D plant reconstruction and suggest practical approaches for enhancing the speed and efficiency of NeRFs in the 3D reconstruction process.展开更多
文摘Both Fusarium and Verticillium wilts are important soil-borne diseases,which can not be effectively controlled by chemical fungicides.The two diseases,especially Verticillium wilt,have
基金supported by the National Key Research and Development Program of China (2018YFD0100201 and 2016YFD0101201)the Scientific Research Foundation for the Returned Overseas Chinese Scholars, Ministry of Education of Chinathe Sino-German International Research Training Group “Adaptation of maize-based food-feed-energy systems to limited phosphate resources.”
文摘Phosphorus is the second most important macronutrient after nitrogen and it has many vital functions in the life of plants.Most soils have a low available P content,which has become a key limiting factor for increasing crop production.Also,low P use efficiency(PUE)of crops in conjunction with excessive application of P fertilizers has resulted in serious environmental problems.Thus,dissecting the genetic architecture of crop PUE,mining related quantitative trait loci(QTL)and using molecular breeding methods to improve high PUE germplasm are of great significance and serve as an efficient approach for the development of sustainable agriculture.In this review,molecular and phenotypic characteristics of maize inbred lines with high PUE,related QTL and genes as well as low-P responses are summarized.Based on this,a breeding strategy applying genomic selection as the core,and integrating the existing genetic information and molecular breeding techniques is proposed for breeding high PUE maize inbred lines and hybrids.
基金supported in part by the Plant Science Institute at IowaState University,the National Science Foundation under grant number OAC:1750865the National Institute of Food and Agriculture(USDA-NIFA)as part of the AI Institute for Resilient Agriculture(AIIRA),grant number 2021-67021-35329.
文摘We evaluate different Neural Radiance Field(NeRF)techniques for the 3D reconstruction of plants in varied environments,from indoor settings to outdoor fields.Traditional methods usually fail to capture the complex geometric details of plants,which is crucial for phenotyping and breeding studies.We evaluate the reconstruction fidelity of NeRFs in 3 scenarios with increasing complexity and compare the results with the point cloud obtained using light detection and ranging as ground truth.In the most realistic field scenario,the NeRF models achieve a 74.6%F1 score after 30 min of training on the graphics processing unit,highlighting the efficacy of NeRFs for 3D reconstruction in challenging environments.Additionally,we propose an early stopping technique for NeRF training that almost halves the training time while achieving only a reduction of 7.4%in the average F1 score.This optimization process substantially enhances the speed and efficiency of 3D reconstruction using NeRFs.Our findings demonstrate the potential of NeRFs in detailed and realistic 3D plant reconstruction and suggest practical approaches for enhancing the speed and efficiency of NeRFs in the 3D reconstruction process.
