Results 11 to 20 of about 250,341 (305)

High throughput analysis of leaf chlorophyll content in sorghum using RGB, hyperspectral, and fluorescence imaging and sensor fusion

open access: yesPlant Methods, 2022
Background Leaf chlorophyll content plays an important role in indicating plant stresses and nutrient status. Traditional approaches for the quantification of chlorophyll content mainly include acetone ethanol extraction, spectrophotometry and high ...
Huichun Zhang   +5 more
doaj   +1 more source

Relationship Between Physiological Characteristic and Bean Quality on Some Cocoa Clones (Theobroma Cacao L.) [PDF]

open access: yes, 2015
Photosynthesis is one of the physiological process that influence the bean weight and this process related with the efectiveness of the stomata character and chlorophyll content in the leaves.
Sari, I. A. (Indah)   +2 more
core   +3 more sources

The moss Bryum argenteum var. muticum Brid. is well adapted to cope with high light in continental Antarctica [PDF]

open access: yes, 2012
The net photosynthetic rate (NP), chlorophyll fluorescence, carotenoid content and chlorophyll content of the cosmopolitan moss Bryum argenteum were measured in the field at Botany Bay, southern Victoria Land, continental Antarctica (77°S).
Green, T.G. Allan   +5 more
core   +3 more sources

Chlorophyll content monitoring in sugar maple (Acer saccharum) [PDF]

open access: yesTree Physiology, 2003
We conducted two experiments to determine the usefulness of a chlorophyll content meter (CCM) for the measurement of foliar chlorophyll concentration in sugar maple (Acer saccharum Marsh.) in the fall color period. In Experiment 1, four sugar maple trees were visually assigned to each of four fall foliage color categories in October 1998. On four dates
Thomas M, Cate, T D, Perkins
openaire   +2 more sources

Effect of measure units on estimating crop LEAF chlorophyll content with remote sensing

open access: yesThe Journal of Engineering, 2019
Vegetation chlorophyll content is very important for monitoring the growth and health status of vegetation. Remote sensing of chlorophyll content holds an important potential for evaluating crop growth status and diseases and insects.
Chao Wang   +4 more
doaj   +1 more source

Symbiont diversity is not involved in depth acclimation in the Mediterranean sea whip Eunicella singularis [PDF]

open access: yes, 2011
In symbiotic cnidarians, acclimation to depth and lower irradiance can involve physiological changes in the photosynthetic dinoflagellate endosymbiont, such as increased chlorophyll content, or qualitative modifications in the symbiont population in ...
Allemand, D.   +7 more
core   +2 more sources

Quantification of plant chlorophyll content using Google Glass [PDF]

open access: yesLab on a Chip, 2015
We demonstrate accurate measurement of chlorophyll concentration in plant leaves using Google Glass and a custom-developed software application together with a cost-effective multi-spectral leaf illuminator unit.
Bingen, Cortazar   +4 more
openaire   +2 more sources

Genetic segregation of chlorophyll content and light compensation point in a hybrid grapevine population [PDF]

open access: yesGuoshu xuebao
[Objective] The growth and development of grapes are closely linked to light intensity. The efficiency of photosynthesis and nutrient accumulation directly affects grape yield and quality. In greenhouse or protected cultivation environments, grape growth
JI Xiaohao   +6 more
doaj   +1 more source

PSII photochemistry responses to drought stress in autochthonous and modern sweet cherry cultivars

open access: yesPhotosynthetica, 2021
In this study, the JIP test was used to assess the drought tolerance of two sweet cherry cultivars (Prunus avium L.) (modern and autochthonous). Plants were exposed to progressive drought by withholding water and their fast (< 1 s) chlorophyll ...
I. MIHALJEVIĆ   +5 more
doaj   +1 more source

Chlorophyll a + b Content and Chlorophyll Fluorescence in Avocado

open access: yesJournal of Agricultural Science, 2012
Tonnage (T), Simmonds (S) avocado trees, and TxS crosses were evaluated for differences in chlorophyll content and maximal quantum yield of photosystem II in sun and shade-type leaves. Total chlorophyll content by area (Chl a+bar) ranged from 984 mg m -2 in TxS240 to 4320 mg m -2 in Simmonds.
Stewart Reed   +3 more
openaire   +1 more source

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