Road dust impact on floral longevity experiment

Knowledge graph centered on Road dust impact on floral longevity experiment with 72 nodes and 155 connections. Top connected: Hummingbird, Bombus, Ipomopsis, Ligusticum porteri, Delphinium.

Method synopsis

Paired experimental design comparing floral development and longevity between plants receiving daily road dust applications versus undusted controls, with detailed tracking of flower developmental stages.

Synthesized from method descriptions across 13 papers using this protocol.

Procedure from a recent peer-reviewed implementation

Steps below were extracted from the most recent peer-reviewed implementation of this protocol in the corpus — Predispersal Seed Predation Obscures the Detrimental Effect of Dust on Wildflower Reproduction (2021), International Journal of Plant Sciences. The protocol was originally introduced by Does road dust affect reproduction of <i>Delphinium nelsonii</i> and <i>Ipomopsis aggregata</i> (2008). Implementations in other papers (listed below) may differ.

1. Dust collection and preparation
   Obtained dust from a section of road north of RMBL that has never been treated with magnesium chloride. Soil was extracted and sieved through a number 35 US standard soil sieve (0.5 mm mesh size) to produce fine powder.
   Quantities: Sufficient dust powder for daily applications throughout flowering seasonsDuration: Prior to each flowering seasonConditions: Road dust collection from untreated unpaved road
   Equipment: number 35 US standard soil sieve (0.5 mm mesh), collection containers
2. Dust treatment application
   Applied dust to treatment plants by hand dusting on July 5, 15, and June 18 in 2016, 2017, and 2018 respectively, then continued every 1-2 days except during periods of rainfall until plants ceased flowering. Control plants were covered with a plastic bag to shield them during dusting of nearby plants.
   Quantities: 10-15 pumps of air from clean empty duster per applicationDuration: Daily applications (every 1-2 days) throughout entire flowering seasonConditions: Applications suspended during rainfall periods
   Equipment: clean empty duster for air application, plastic bags for shielding control plants

Typical Equipment

• coins
• flags
• sharpie pen
• colored strings
• Gilmore plant duster
• 10X hand lens

Output Measurements

• floral longevity
• male phase duration
• female phase duration
• stigma closure timing

Papers Using This Protocol (13)

Species Studied With This Protocol