High-throughput phenotyping for grapevine breeding purposes using sensors and automation

Plant & Food Research is proud to invite you to attend a public lecture:

Topic:            High-throughput phenotyping for grapevine breeding purposes using sensors
and automation

Venue:          Marlborough Research Centre Theatre, 85 Budge Street, Blenheim

Date/Time:  Wednesday 13 February 2019 at 9am

Speaker:       Dr Katja Herzog 
Julius Kühn-Institut, Federal Research Centre of Cultivated Plants,
Institute for Grapevine Breeding, Geilweilerhof, Germany.

 

Dr Herzog is visiting New Zealand as part of a Plant & Food Research Sustainable Science Investment Fund ‘Shaking Botrytis’ project, a multidisciplinary project that aims to understand the influence of mechanical shaking on berry morphology and susceptibility to botrytis bunch rot.

Dr Herzog is the head of the sensory-based grapevine phenotyping group. Her research projects include research on sensor assisted automated methods for an objective description of grapevine characteristics, imaging and non-imaging sensors and sensor fusion, fast screening for breeding purposes and modelling of sensor data.

 

Presentation abstract: High-throughput phenotyping for grapevine breeding purposes using sensors and automation

Phenotyping is the quantitative analysis of morphological and physiological features of organisms in a given environment and it is one key technology in the scope of plant research and breeding.

In general, phenotypes will be scored manually by visual estimations using common established classification systems, e.g. BBCH scale. Methods often are destructive, labour intensive, time consuming, the number of samples is limited and phenotypic data are subjective with unpredictable error variations.

Valid, objective and precise phenotypic data from large experimental sites are a prerequisite to increase breeding efficiency and to improve functional genetic research. Therefore, sensor-based techniques are a supporting novel approach currently under development. In particular for breeding applications phenotyping is largely done under field conditions rather than in controlled environments. As a consequence, non-invasive assessments of physiological traits (e.g. rate of photosynthesis); incidence of diseases or fruit quality (e.g. metabolic compositions of grapes) requires the application of robust sensor-based methods.

Numerous sensors are established for (non-invasive) plant phenotyping purposes (e.g. 2D image-based sensors for structure analysis and hyperspectral sensors for physiological traits or disease detection) in labs, greenhouses or the field.

The integration of such sensor techniques with RTK-GPS (orientation and data management) on robots, tractors or unmanned air vehicles (UAV) will facilitate automated, non-invasive field phenotyping of plants with high-throughput.

Independent of automated or manual sensor usage, efficient data management, automated analysis with user friendly graphical user interface (GUI) and modeling permits the acquisition of variety-specific phenotypic data from a large number of plants with a high precision.

Sensor-based phenotyping is thus a promising opportunity to open up the phenotyping bottleneck: it will (i) increase the number of samples and repetitions; (ii) improve quality of recording; (iii) minimize error variations; and (iiii) enable retro specific evaluations.