遥感连续性:对HTP平台的比较以及与现场应用的潜在挑战
Andrew W Herr1, Arron H Carter1
1Department of Crop and Soil Sciences, Washington State University, Pullman, WA, United States.
Frontiers in plant science
|October 4, 2023
概括
高通量表型 (HTP) 平台,包括手持式辐射计和无人飞机系统 (UAS),显示出不同的作物育种数据可互换性. UAS光谱反射率指数 (SRI) 提供了更高的遗传性,这表明在育种应用中具有更好的效用.
科学领域:
- 农业科学 农业科学
- 植物育种 植物育种
- 遥感技术 遥感技术 遥感技术
背景情况:
- 气候变化需要先进的育种工具来获得遗传收益.
- 高通量表型化 (HTP) 为改善作物提供了潜在的解决方案.
- 不同HTP平台数据的互换性仍然是一个关键问题.
研究的目的:
- 评估地面手持式和无人机系统 (UAS) 在冬季小麦育种中用于光谱反射率指数 (SRI) 数据收集的可用性.
- 为了比较来自不同HTP平台的SRI与谷物产量的遗传性和相关性.
- 提供关于在应用繁殖计划中实施HTP的最佳实践的见解.
主要方法:
- 在冬季小麦试验 (2018-2021) 中,同时使用了两个手持式放射仪 (Cropscan MSR16R,Spectra Vista Corp HR-1024i) 和一个基于UAS的多谱传感器.
- 计算了每个系统的光谱反射率指数 (SRI).
- 进行了遗传性和相关性分析,以评估平台的可用性和SRI性能.
主要成果:
- 在早期,Cropscan系统显示SRI与UAS SRI和谷物产量之间的相关性较低.
- 斯佩克特拉维斯塔公司系统与UAS SRI和谷物产量在以后的几年中表现出温和的相关性.
- 来自UAS的SRI始终表现出更高的广义遗传性 (0.58-0.80).
结论:
- 数据标准化和同步收集窗口对于可靠的HTP数据至关重要.
- 基于UAS的HTP平台显示出由于更高的遗传性,提高育种应用的潜力更大.
- 该研究为在应用繁殖计划中实施HTP技术提供了一个框架.
相关概念视频
Field Application of Global Positioning System
63
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
63
Types of Global Positioning System Surveys
75
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
75
Methods of Obtaining Topography
79
Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
79


