Agricultural and Biological Sciences · Research topic

Open research questions in Plant Surface Properties and Treatments

212 gap statements mined from Plant Surface Properties and Treatments papers in our 4.5M-paper local library, which holds 565 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

Choosing where to publish on Plant Surface Properties and Treatments? See the ranked Biology journals.

What the literature leaves open

  • Limited pollen availability and labor shortages in date palm cultivation. Need for sustainable agricultural practices and improved pollination efficiency.

    Precision Pneumatic Pollination for Sustainable Agricultural Practices in Date Palm Cultivation · 2026 · DOI
  • The need to account for the microsurface structure of apple peels and its effect on droplet evaporation behavior. The challenge of evaluating the applicability of 3D point cloud-based methods under real-world conditions, including varying weather conditions and canopy structures.

    Quantifying Pesticide Deposition on Apple Surfaces Based on Multi-View Tracer Point Cloud Reconstruction: Laboratory Characterization and Orchard Assessment · 2026 · DOI
  • Conventional point-based sampling methods have limitations in characterizing the three-dimensional deposition distribution. The need for a method to accurately quantify pesticide deposition on apple surfaces in a three-dimensional context. The lack of a comprehensive approach to evaluate the applicability of 3D point cloud-based methods under real-world conditions.

    Quantifying Pesticide Deposition on Apple Surfaces Based on Multi-View Tracer Point Cloud Reconstruction: Laboratory Characterization and Orchard Assessment · 2026 · DOI
  • There is a need to balance yield and bioactivity during post-harvest processing of Ocimum gratissimum. The optimal drying method and duration for Ocimum gratissimum need to be determined.

    Effect of the desiccation process on the essential oil recovery and quality of Ocimum gratissimum · 2026 · DOI
  • Relatively few studies have evaluated how spraying operation modes interact with other drone parameters within a single experimental framework. There is a need to understand the effects of drone operational parameters on spray deposition.

    Spray Deposition Responses to Drone Operational Parameters in Simulated Orchard · 2026 · DOI
  • The gap in current research is the understanding of how drought affects plant susceptibility to biotic stresses like V. longisporum disease. There is a need to investigate the anatomical changes in roots and hypocotyls of B. napus plants in response to drought.

    Drought-induced anatomical changes in roots and hypocotyls of Westar summer rape Brassica napus L. plants reduce Verticillium longisporum disease severity · 2026 · DOI
  • Limited ground space and dynamically changing crop growth conditions in modern greenhouses. Health risks to operators from manual backpack atomization devices. Need for precise control of operational parameters to achieve uniform droplet deposition.

    Design and Experimental Testing of a Self-Propelled Overhead Rail Air-Assisted Sprayer for Greenhouse · 2026 · DOI
  • The interpretation of water-sensitive papers is often oversimplified, with percent coverage being treated as the sole indicator of spray quality. There is a need for a more comprehensive understanding of spray deposition patterns, including spatial descriptors and droplet size estimation. The paper identifies the main sources of uncertainty affecting the interpretation of water-sensitive papers.

    Image-Based Evaluation of Spray Deposition Using Water-Sensitive Papers: Metrics, Limitations, and Practical Implications · 2026 · DOI
  • The lack of cost-effective and easily applicable drift mitigation techniques that do not require specialized and expensive equipment. The need to quantify the spray drift reduction achieved using these techniques in vineyards under Southern European conditions.

    Evaluation of Spray Application Techniques and Air Induction Nozzles as Spray Drift Mitigation Measures in Vineyards · 2026 · DOI
  • The need for rapid detection of spray deposition to assess sprayer performance and reduce drift and chemical waste. The lack of efficient methods for real-time monitoring of spray deposition.

    Methodological Advancement in Resistive-Based, Real-Time Spray Deposition Assessment with Multiplexed Acquisition · 2026 · DOI
  • The need for methods to analyze the performance of new spraying equipment under diverse conditions. The lack of control strategies for low-cost variable-rate sprayer prototypes to maintain a constant spray volume during operation.

    Comparative Analysis of Flow Control Algorithms for a Low-Cost Variable-Rate Sprayer Prototype · 2026 · DOI
  • The integration of biospeckle laser into automated systems is limited. There is a need for continuous and comprehensive seed monitoring. Traditional methods have limitations in terms of efficiency and duration.

    Automated Laser-Optical Setup for Seed Monitoring over Time · 2026 · DOI
  • Conventional methods of simulating defoliation injury, such as hand-plucking or cutting leaflets, are not truly representative of insect feeding injury. There is a need for a controlled and repeatable method to simulate defoliation injury in soybean.

    Handheld, Pneumatic, 3D-Printed Device for Simulating Defoliation Injury in Soybean · 2026 · DOI
  • There has been a lack of comparative studies on the energy and environmental assessment of different orchard spraying technologies. The study aims to fill this gap by evaluating the overall viability of different orchard spraying technologies.

    Assessment of Autonomous Aerial and Ground Vehicles in Comparison to Conventional Tractor-Mounted Spraying Systems in Terms of Energy Efficiency, Economic Viability, and Environmental Impact in Orchard Spraying · 2026 · DOI
  • Conventional drone-based spraying is significantly affected by spray drift caused by environmental factors such as wind. Electrostatic charging systems can improve spraying efficacy and reduce chemical consumption, but require optimization of operational parameters.

    Droplet Density Optimization of a Drone-Based Air-Assisted Electrostatic Sprayer Using Hybrid Artificial Neural Networks and Ant Colony Optimization Under Laboratory Conditions · 2026 · DOI
  • Off-target drift, contamination of adjacent ecosystems, and adverse effects on non-target organisms are associated with aerial spraying. Limited flexibility and restricted applicability in small or fragmented forest areas are constraints of conventional aerial spraying. Access of the active ingredient to the feeding morphs of the pest was likely suboptimal in the conifer stand.

    First Attempts to Control Forest Pests Using Multi-Rotor Unmanned Aerial Spraying Systems (UASSs) in Forest Ecosystems · 2026 · DOI
  • The experiment was carried out under laboratory conditions, - The study used a simulation platform to mimic the rotor-induced downwash of a drone, - The sample size was limited to a single crop (cotton) and a specific experimental…

    Droplet Density Optimization of a Drone-Based Air-Assisted Electrostatic Sprayer Using Hybrid Artificial Neural Networks and Ant Colony Optimization Under Laboratory Conditions · 2026 · DOI
  • The study was conducted in a single location, - The experiment was limited to a specific date palm cultivar (Barhi), - The system was designed for low-height date palm…

    Precision Pneumatic Pollination for Sustainable Agricultural Practices in Date Palm Cultivation · 2026 · DOI
  • Investigating the effects of additional operation modes and parameters on spray deposition. Examining the impact of different environmental conditions, such as wind and temperature, on spray coverage and droplet density. Developing models to predict spray deposition based on drone operational parameters.

    Spray Deposition Responses to Drone Operational Parameters in Simulated Orchard · 2026 · DOI
  • Direct comparison of efficacy between the two tree species would be inappropriate due to differing biological and ecological contexts, - Limited access of the active ingredient to the feeding morphs of larch aphid, - Practical limitations associated with sampling dead larvae in the upper…

    First Attempts to Control Forest Pests Using Multi-Rotor Unmanned Aerial Spraying Systems (UASSs) in Forest Ecosystems · 2026 · DOI
  • The lack of understanding of the specific plant species contributing to atmospheric emissions of secondary fatty alcohols, - The uncertainty surrounding the factors controlling the amount of secondary fatty alcohols in atmospheric…

    Conifer leaf wax acts as a source of secondary fatty alcohols in atmospheric aerosols · 2026 · DOI
  • Investigating the responses of other plant species to drought and salt stresses, - Exploring the molecular regulatory networks underlying stress tolerance in plants, - Conducting field experiments to validate the findings in real-world…

    Integrated physiological and transcriptomic analysis revealed key genes and pathways related to continuous drought and salinity stress in Populus · 2026 · DOI
  • The test of the proposed system in other seeds, - The design of larger carousels, - Studies of the limits linked to the illumination and image acquisition time performed in each…

    Automated Laser-Optical Setup for Seed Monitoring over Time · 2026 · DOI
  • The study was conducted in a greenhouse, which may not accurately represent field conditions - The sample size was limited to four individual plants per treatment - The device removes leaf tissue through a mechanical punching action, which may not perfectly replicate insect feeding…

    Handheld, Pneumatic, 3D-Printed Device for Simulating Defoliation Injury in Soybean · 2026 · DOI
  • Further studies are needed to confirm the findings in different regions and contexts, - Research on the long-term effects of UAV systems on the environment and human health is necessary, - Investigations on the potential applications of UAV systems in other agricultural areas…

    Assessment of Autonomous Aerial and Ground Vehicles in Comparison to Conventional Tractor-Mounted Spraying Systems in Terms of Energy Efficiency, Economic Viability, and Environmental Impact in Orchard Spraying · 2026 · DOI

Most-cited papers in Plant Surface Properties and Treatments

Most recent work

Find a gap in your own Plant Surface Properties and Treatments sub-topic

This page shows what the Plant Surface Properties and Treatments literature already flags as unresolved. To narrow it to your specific question, search the Research Gap Finder: the search is free with a free account and lists the papers closest to your topic first. Unlocking that topic (50 credits, charged once) fills the comparison table from our 4.5M-paper local library and writes the gaps from its rows.

Open the Research Gap Finder →

Related topics in Agricultural and Biological Sciences

Open questions raised by papers listed on this page include: (1) The lack of a comprehensive approach to evaluate the applicability of 3D point cloud-based methods under real-world conditions (“Quantifying Pesticide Deposition on Apple Surfaces Based on Multi-View Tracer…”, 2026); (2) There is a need to balance yield and bioactivity during post-harvest processing of Ocimum gratissimum (“Effect of the desiccation process on the essential oil recovery and quality of…”, 2026); (3) There is a need to understand the effects of drone operational parameters on spray deposition (“Spray Deposition Responses to Drone Operational Parameters in Simulated Orchard”, 2026); (4) There is a need to investigate the anatomical changes in roots and hypocotyls of B. napus plants in response to drought (“Drought-induced anatomical changes in roots and hypocotyls of Westar summer…”, 2026); (5) There is a need for a more comprehensive understanding of spray deposition patterns, including spatial descriptors and droplet size estimation (“Image-Based Evaluation of Spray Deposition Using Water-Sensitive Papers:…”, 2026). 212 gap statements have been mined from Plant Surface Properties and Treatments papers in our 4.5M-paper local library, which holds 565 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

Tools for your next paper

How Pre-Check worksHow AI Review works

Compare the category — Honest roundups of the AI research tools, ours listed alongside the alternatives.

Command palette

Jump anywhere, run any action.