Zobrazeno 1 - 10
of 251
pro vyhledávání: '"Kenji Omasa"'
Publikováno v:
Sensors, Vol 23, Iss 12, p 5460 (2023)
The use of non-destructive commercial near-infrared (NIR) spectroscopy to estimate Brix% was verified using all samples of cherry tomato ‘TY Chika’, currant tomato ‘Microbeads’, and the M&S or market-purchased and supplemental local source to
Externí odkaz:
https://doaj.org/article/46440eb0ed884920be23f15d7721d8bd
Autor:
Xingtong Lu, Eiichi Ono, Shan Lu, Yu Zhang, Poching Teng, Mitsuko Aono, Yo Shimizu, Fumiki Hosoi, Kenji Omasa
Publikováno v:
Plant Methods, Vol 16, Iss 1, Pp 1-16 (2020)
Abstract Background Measurement of plant structure is useful in monitoring plant conditions and understanding the responses of plants to environmental changes. 3D imaging technologies, especially the passive-SfM (Structure from Motion) algorithm comb
Externí odkaz:
https://doaj.org/article/d97eb0bc3d2047b9b4e295066075ae26
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 3669-3682 (2020)
Optical properties of light reflected from leaves can be described by both intensity and polarization, however, most studies focused on the intensity in the estimation of plant leaf biochemical parameters. In this study, multiangular photometric and
Externí odkaz:
https://doaj.org/article/edcff86cef4d49baa9b62ed2b9a215ce
Publikováno v:
Plant Methods, Vol 14, Iss 1, Pp 1-15 (2018)
Abstract Background Leaf chlorophyll content (LCC) provides valuable information about plant physiology. Most of the published chlorophyll vegetation indices at the leaf level have been based on the spectral characteristics of the adaxial leaf surfac
Externí odkaz:
https://doaj.org/article/75f302c0f76e499fbfdaab59203910ac
Autor:
Yu Liu, Kenji Hatou, Takanori Aihara, Sakuya Kurose, Tsutomu Akiyama, Yasushi Kohno, Shan Lu, Kenji Omasa
Publikováno v:
Remote Sensing, Vol 13, Iss 4, p 686 (2021)
Chlorophyll content in plant leaves is an essential indicator of the growth condition and the fertilization management effect of naked barley crops. The soil plant analysis development (SPAD) values strongly correlate with leaf chlorophyll contents.
Externí odkaz:
https://doaj.org/article/28af6ec95b494768bc44019fb4307d93
Publikováno v:
Remote Sensing, Vol 11, Iss 12, p 1487 (2019)
There are only a few studies that have been made on accuracy assessments of Leaf Area Index (LAI) and biomass estimation using three-dimensional (3D) models generated by structure from motion (SfM) image processing. In this study, sweet potato was gr
Externí odkaz:
https://doaj.org/article/866bb6f1dc5e498eb76c7c2f7d203433
Publikováno v:
Sensors, Vol 11, Iss 2, Pp 2166-2174 (2011)
In the present study, an attempt was made to produce a precise 3D image of a tomato canopy using a portable high-resolution scanning lidar. The tomato canopy was scanned by the lidar from three positions surrounding it. Through the scanning, the poin
Externí odkaz:
https://doaj.org/article/3d17089ba22a4e36a481e520f1c9a6e3
Publikováno v:
Remote Sensing, Vol 9, Iss 6, p 599 (2017)
A comprehensive evaluation of the recently developed Fraunhofer line depth (FLD) and laser-induced saturation pulse (FLD-LISP) method was conducted to measure chlorophyll fluorescence (ChlF) parameters of the quantum yield of photosystem II (ΦPSII)
Externí odkaz:
https://doaj.org/article/17cbf61c667d496e8645a524417022fe
Publikováno v:
Plant Production Science, Vol 4, Iss 2, Pp 90-93 (2001)
The objectives of this study are to compare the floret sterility induced by a high temperature given in the daytime during the flowering period among nine japonica rice varieties, and to clarify the mechanism of the high-temperature-induced sterility
Externí odkaz:
https://doaj.org/article/13e7acd5316949c8ae015a2b5f97613d
Publikováno v:
Plant Production Science, Vol 4, Iss 1, Pp 36-40 (2001)
Anthers of rice cultivar, cv. Nipponbare, which showed floret fertility even when the temperature at flowering was high(tolerant) and cv. Hinohikari, which showed floret sterility at high temperatures (susceptible) were compared. The anther of Nippon
Externí odkaz:
https://doaj.org/article/1bfee027f5234c73be02aca08f745369