Affordable Citrus Canopy Density Method Unveiled

In contrast, digital image analysis using smartphone cameras and ImageJ software offers a more affordable and versatile alternative. This method allows for canopy density measurement under any weather conditions and has been shown to correlate strongly with traditional PAR (photosynthetically active radiation) measurements (r = 0.79; P<0.0001) in 'Valencia' sweet orange trees. It also maintains consistency across various weather conditions, unlike PAR measurements which can vary with cloud cover. This innovative approach provides a cost-effective, flexible, and reliable option for researchers and growers.

Key Features of the New Method:

  • Affordability: Designed with budget constraints in mind, this method requires minimal investment while delivering precise results.

  • Simplicity: Easy to implement with straightforward procedures, allowing farmers to quickly adopt and integrate the technology into their existing practices.

  • Accuracy: Utilizes advanced algorithms and data analysis to provide reliable measurements of canopy density, enabling better-informed decisions regarding irrigation, fertilization, and overall orchard management.

  • Time Efficiency: Reduces the time and labor required for canopy assessment, freeing up valuable resources for other essential tasks.

The digital image analysis method involving the analysis of canopy density has been shown to be accurate, inexpensive, easy, and more accessible than traditional methods. Furthermore, it involves an inexpensive tool (with some learning of Image J software) that citrus growers can use to evaluate grove management practices and yield prediction. This method can also be used by researchers to quantitatively categorize HLB-affected trees according to their health status to achieve optimum field evaluations. Because of the ease and adaptability of this method, researchers can also obtain canopy density measurements quickly and accurately during any time of year.. It is expected to be particularly beneficial for small to mid-sized growers who may not have the resources to invest in more expensive technology.

The full article can be found on on the ASHS HortScience electronic journal website at: https://doi.org/10.21273/HORTSCI17112-23

Established in 1903, the American Society for Horticultural Science is recognized around the world as one of the most respected and influential professional societies for horticultural scientists. ASHS is committed to promoting and encouraging national and international interest in scientific research and education in all branches of horticulture.

Comprised of thousands of members worldwide, ASHS represents a broad cross-section of the horticultural community - scientists, educators, students, landscape and turf managers, government, extension agents and industry professionals. ASHS members focus on practices and problems in horticulture: breeding, propagation, production and management, harvesting, handling and storage, processing, marketing and use of horticultural plants and products. To learn more, visit ashs.org.

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