Results 1 to 10 of about 13,690,399 (304)

Contents of photosynthetic pigments and ratios of chlorophyll a/b and chlorophylls to carotenoids (a+b)/(x+c) in C4 plants as compared to C3 plants

open access: yesPhotosynthetica (Praha), 2021
The content of chlorophylls (Chl) (a+b), total carotenoids (x+c), and the pigment ratios of Chl a/b and Chls to carotenoids (a+b)/(x+c) of green leaves of five C4 plants were determined and compared to those of C3 plants.
George C. Papageorgiou   +2 more
semanticscholar   +1 more source

The content of chlorophyll a and chlorophyll b in leaves of undergrowth species in hornbeam-oak forest stands of the forest-steppe zone in Western Ukraine

open access: yesLeśne Prace Badawcze, 2018
In this study, the biosynthesis of the plastid pigments chlorophyll a and b was examined for the most common shrubs in hornbeam-oak forest stands of the Western forest-steppe zone of Ukraine.
Zaïka Volodymyr, Bondarenko Taras
doaj   +1 more source

Transcriptome Analysis Revealed a Positive Role of Ethephon on Chlorophyll Metabolism of Zoysia japonica under Cold Stress

open access: yesPlants, 2022
Zoysia japonica is a warm-season turfgrass with a good tolerance and minimal maintenance requirements. However, its use in Northern China is limited due to massive chlorophyll loss in early fall, which is the main factor affecting its distribution and ...
Jiahang Zhang   +6 more
doaj   +1 more source

Low PSI content limits the photoprotection of PSI and PSII in early growth stages of chlorophyll b-deficient wheat mutant lines

open access: yesPhotosynthesis Research, 2015
In vivo analyses of electron and proton transport-related processes as well as photoprotective responses were carried out at different stages of growth in chlorophyll b (Chl b)-deficient mutant lines (ANK-32A and ANK-32B) and wild type (WT) of wheat ...
M. Brestič   +6 more
semanticscholar   +1 more source

Spatial Variation of Leaf Chlorophyll in Northern Hemisphere Grasslands

open access: yesFrontiers in Plant Science, 2020
Chlorophyll is the molecular basis for the function of photosystems and is also a promising tool for ecological prediction. However, the large-scale patterns of chlorophyll variation in grasslands remain poorly understood.
Yao Zhang   +16 more
doaj   +1 more source

Effect of The herbicide Pendimethalin on The Chlorophyll Content in Zea mays l. and Gossypium hirsutum l. Seedlings [PDF]

open access: yesJournal of Plant Production, 2016
Foliar application of pendimethalin herbicide (5 ppm) to three weeks old seedlings of Zea mays L. and GossypiumhirsutumL. resulted in a decreasing trend of chlorophylls a an b in both seedlings compared to controls.
Samia Ali, M. Wasfi
doaj   +1 more source

SEASONAL DYNAMICS OF THE CONTENT OF PHOTOSYNTHETIC PIGMENTS IN CONIFEROUS PLANTS UNDER THE CONDITIONS OF THE URBAN ENVIRONMENT

open access: yesИзвестия высших учебных заведений. Поволжский регион: Естественные науки, 2020
Background. The main share in the landscaping of the city of Yoshkar-Ola is made up of such deciduous woody and shrub plantings such as Betula pendula Roth., Tilia cordata Mill., Syringa vulgaris L., Acer negundo L., Populus pyramidalis Salisb., etc ...
E. A. Starikova, O. L. Voskresenskaya
doaj   +1 more source

USING IMAGE PROCESSING TO EVALUATE THE QUALITY OF ORANGE FRUITS IN A NON-DESTRUCTIVE MANNER [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2023
The aim of this research is to develop an image processing system that relies on machine vision to evaluate the chemical and physical properties in a non-destructive, fast and effective way to evaluate the quality of the orange fruits.
Mahmoud ELHOSARY   +3 more
doaj  

THE RELATIONSHIP BETWEEN CHLOROPHYLL CONTENT AND THE LEAVE FORAGE VALUE OF SOME FOREST TREES [PDF]

open access: yesMesopotamia Journal of Agriculture, 2017
This study was conducted at Mosul university compus. The samples were collected from four species of forest trees)Ceratonia siliqua , Robinia pseudoacacia, Morus alba , Leucaena leucocyphala(in nine dates namely (1/4 , 1/5, 1/6, 1/7, 1/8 , 1/9, 1/10, 1 ...
Y. Alalousy, M. H. Younis
doaj   +1 more source

Estimation of chlorophyll content in Brassica napus based on unmanned aerial vehicle images

open access: yesOil Crop Science, 2022
The chlorophyll content has a direct effect on photosynthesis of crops. In order to explore a quick and convenient method for estimating the chlorophyll content of Brassica napus and facilitate efficient crop monitoring, we measured the actual value of ...
Yayi Huang   +12 more
doaj   +1 more source

Home - About - Disclaimer - Privacy