1 / 4

Phenotyping: Response to Water Deficits

Phenotyping: Response to Water Deficits. Motivation Importance of root growth to seedling establishment Water is widespread limitation to productivity Water limitations common in seedling stage Little gene discovery work with roots

minda
Download Presentation

Phenotyping: Response to Water Deficits

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Phenotyping: Response to Water Deficits • Motivation • Importance of root growth to seedling establishment • Water is widespread limitation to productivity • Water limitations common in seedling stage • Little gene discovery work with roots • Molecular markers for root traits have great potential for application • WUE identified as selection trait for other species • Growing importance of clonal forestry for industry

  2. FBRC CCLONES Experiment • 60 clones from each of 15 elite, full-sib families • 8 ramets/clone planted at each of six field locations by FBRC cooperators in December 2002 • Two cultural treatments: "optimal" and low-intensity

  3. Phenotyping Measurements - FBRC CCLONES population • Destructive root biomass and architecture measurements on 4 ramets/clone prior to planting (Dec 2002) • Measurements 1 year post-planting, all sites (21,600 plants) • shoot height • survival • disease incidence

  4. Phenotyping Measurements - FBRC CCLONES population • Additional physiological measurements 1 year post-planting (2003) • Intensive blocks, two sites with contrasting soils, subset of 600 clones (4800 plants) • specific leaf area • late-summer foliar 12C:13C • pre-dawn water potential and RWC during water deficit periods in May and October

More Related