نتایج جستجو برای: leaf thickness

تعداد نتایج: 193552  

2006
Yen-Ben Cheng Pablo J. Zarco-Tejada David Riaño Carlos A. Rueda Susan L. Ustin

Three linked leaf and canopy radiative transfer models were used to assess uncertainties in three vegetation architectures for the relationships between canopy water content and Equivalent Water Thickness (EWT). The leaf radiative transfer model PROSPECT was linked to SAILH, rowMCRM, and FLIM canopy reflectance models to generate synthetic spectra for a range of leaf and canopy parameters under...

2010
Jasper J. L. Pengelly Xavier R. R. Sirault Youshi Tazoe John R. Evans Robert T. Furbank Susanne von Caemmerer

In C(4) plants, acclimation to growth at low irradiance by means of anatomical and biochemical changes to leaf tissue is considered to be limited by the need for a close interaction and coordination between bundle sheath and mesophyll cells. Here differences in relative growth rate (RGR), gas exchange, carbon isotope discrimination, photosynthetic enzyme activity, and leaf anatomy in the C(4) d...

Journal: :Plant physiology 1977
J A Bunce D T Patterson M M Peet

Soybean plants (Glycine max var. Ransom) were grown at light intensities of 850 and 250 mueinsteins m(-2) sec(-1) of photosynthetically active radiation. A group of plants was shifted from each environment into the other environment 24 hours before the beginning of the experiment. Net photosynthetic rates and stomatal conductances were measured at 2,000 and 100 mueinsteins m(-2) sec(-1) photosy...

Journal: :Ibn Al-Haitham Journal For Pure And Applied Science 2023

The current investigation concluded an anatomical study of the cultivated species Pelargonium graveolens L. 'Hér belong to Geraniaceae family and which as ornamental plant, fresh specimen were collected from different region in Baghdad ,the vegetative parts (leaf, stem petiole) details upper lower epidermis leaf also studied, ordinary epidermal cells stomatal complexes studied term shapes dimen...

Journal: :International Journal of Current Microbiology and Applied Sciences 2022

Castor, (Ricinus communis L.) is one of the most important commercial, non-edible oilseed crop. Tobacco caterpillar, Spodoptera litura (Noctuidae: Lepidoptera), a major defoliator castor. The biophysical factors in castor play role conferring resistance against S.litura. present study was conducted with an objective, to basis S. litura. Feeding preference larvae leaves IVHT-39 followed by Salem...

Journal: :Biyolojik çeþitlilik ve koruma 2022

One of the most important pollution in world is air pollution. factors that cause this vehicles. Heavy metals have a great role component caused by vehicles and they negative effects on plant human health. In study, it was aimed to determine effect distance from highway leaf morphology anatomy economically Red Globe grape variety. Leaf samples were collected four different distances (road side,...

ژورنال: سلامت و محیط زیست 2020

Background and Objective: Air pollution, especially the portion related to Motor vehicles, is a serious problem in many heavily polluted areas in the world. This investigation was conducted to study the effects of the air pollution on the anatomical structure of leaf in some valuable fruit-bearing trees in Traditional Qazvin gardens. Materials and Methods: In this study, 72 leaf samples were r...

Journal: :Forests 2023

Noise pollution is often overlooked and invisible, but it significantly impacts the quality of human life. One most straightforward solutions to mitigate noise by using sound-absorbing materials. Recently, research trends develop sound absorbing green materials, typically derived from agricultural by-products, have witnessed an uptick. This paper summarizes properties various materials found in...

Journal: :Eng 2023

Leaf water content (LWC) is a crucial physiological parameter that plays limiting role in the efficiency of photosynthesis and biomass production many plants. This study investigated use diffuse reflectance near-infrared spectroscopy (NIRS) for rapid prediction gravimetric LWC eucalypt leaves from Eucalyptus Corymbia genera. The best-performing model gave R2pred 0.85 RMSEP 2.32% an independent ...

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