Zobrazeno 1 - 10
of 184
pro vyhledávání: '"Marc W. van Iersel"'
Autor:
Peyton Lou Palsha, Marc W. van Iersel, Ryan William Dickson, Lynne Seymour, Melanie Yelton, Rhuanito Soranz Ferrarezi
Publikováno v:
HortScience, Vol 59, Iss 8 (2024)
We investigated the growth dynamics of hydroponic lettuce (Lactuca sativa) driven by the influence that potassium (K+) has on crop growth. This study aimed to determine whether increased K+ concentrations under different daily light integrals (DLIs)
Externí odkaz:
https://doaj.org/article/a6c4454865284416992c8fde05d4f47f
Autor:
Peyton Lou Palsha, Marc W. van Iersel, Ryan William Dickson, Lynne Seymour, Melanie Yelton, Kuan Qin, Rhuanito Soranz Ferrarezi
Publikováno v:
Agronomy, Vol 14, Iss 10, p 2281 (2024)
Light use efficiency characterizes the ability of a crop to convert radiation into biomass. Determining optimum cultivar-specific photosynthetic photon flux density (PPFD) values from sole-source lighting can be used to optimize leaf expansion, maxim
Externí odkaz:
https://doaj.org/article/fc17434b6f824df98a4732011ef4ee37
Autor:
Kahlin Wacker, Changhyeon Kim, Marc W. van Iersel, Mark Haidekker, Lynne Seymour, Rhuanito Soranz Ferrarezi
Publikováno v:
Sensors, Vol 24, Iss 17, p 5809 (2024)
In a production environment, delayed stress recognition can impact yield. Imaging can rapidly and effectively quantify stress symptoms using indexes such as normalized difference vegetation index (NDVI). Commercial systems are effective but cannot be
Externí odkaz:
https://doaj.org/article/07abb7ca61c84bcca1cb3e298c02ff64
Publikováno v:
Horticulturae, Vol 10, Iss 9, p 931 (2024)
Agriculture in controlled environments has gained popularity over time. Compared to traditional agriculture, controlled environments emerge as an alternative to mitigate the negative impacts of conventional farming methods. However, controlled enviro
Externí odkaz:
https://doaj.org/article/244dba37b9f14cdf8b418a0413db2c23
Autor:
Kahlin Wacker, Changhyeon Kim, Marc W. van Iersel, Benjamin Sidore, Tony Pham, Mark Haidekker, Lynne Seymour, Rhuanito Soranz Ferrarezi
Publikováno v:
Sensors, Vol 24, Iss 17, p 5515 (2024)
Canopy imaging offers a non-destructive, efficient way to objectively measure canopy size, detect stress symptoms, and assess pigment concentrations. While it is faster and easier than traditional destructive methods, manual image analysis, including
Externí odkaz:
https://doaj.org/article/68235f0706b544fcb5ce15938a729f36
Publikováno v:
Sensors, Vol 24, Iss 13, p 4225 (2024)
The survival and growth of young plants hinge on various factors, such as seed quality and environmental conditions. Assessing seedling potential/vigor for a robust crop yield is crucial but often resource-intensive. This study explores cost-effectiv
Externí odkaz:
https://doaj.org/article/6cd7fcef321542b1a6c5b749e1df2855
Publikováno v:
Sensors, Vol 24, Iss 13, p 4228 (2024)
Salinity stress is a common challenge in plant growth, impacting seed quality, germination, and general plant health. Sodium chloride (NaCl) ions disrupt membranes, causing ion leakage and reducing seed viability. Gibberellic acid (GA3) treatments ha
Externí odkaz:
https://doaj.org/article/a88523b7692f412eaf279fd5403e56e8
Publikováno v:
Sensors, Vol 24, Iss 13, p 4235 (2024)
The decline in seed quality over time due to natural aging or mishandling requires assessing seed vigor for resilience in adverse conditions. Accelerated aging (AA) methods simulate seed deterioration by subjecting seeds to high temperatures and humi
Externí odkaz:
https://doaj.org/article/703b085137d04015a4c9d4a658adebee
Autor:
Peyton Lou Palsha, Marc W. van Iersel, Ryan William Dickson, Lynne Seymour, Melanie Yelton, Rhuanito Soranz Ferrarezi
Publikováno v:
Horticulturae, Vol 10, Iss 5, p 437 (2024)
Anthocyanins are secondary metabolites classified as water-soluble, non-photosynthetic pigments with the potential ability to shield chloroplasts from excess light energy. This study investigated the morphological and physiological responses of six l
Externí odkaz:
https://doaj.org/article/ad2d478954ac42b399bf1829e8a57ef2
Autor:
Jun Liu, Marc W. van Iersel
Publikováno v:
Journal of the American Society for Horticultural Science, Vol 148, Iss 6 (2023)
Far-red photons (700–750 nm) can accelerate crop growth during indoor production through both physiological and morphological processes. A previous study showed that far-red photons can drive photosynthesis with efficiency similar to that of tradit
Externí odkaz:
https://doaj.org/article/c583bdce6d694daf8f5c306dddff5f03