Results 21 to 30 of about 284,321 (307)

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

Effect of Drought-Stress Conditions in Chlorophyll Content of Dendrobium SP. Planlets [PDF]

open access: yes, 2019
Dendrobium sp. was a popular ornamental plant and has high economic value. One of many difficulties in the growth of orchids in Indonesia is low humidity and lack of water availability.
Irawan, B. (Bambang)   +3 more
core   +2 more sources

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  

Effects of Different Types of Irrigation Water Quality and Silicon Doses on Fruit Yield, Chlorophyll and Carotenoid Contents of Tomato (Lycopersicon esculentum L.) under Soilless Culture Technique

open access: yesJournal of Agricultural Sciences, 2023
This study was conducted to determine the effects of different irrigation water treatments and silicon doses on leaf SPAD meter readings, chlorophyll content and carotenoid contents of tomato plants.
Ahmet Korkmaz, Yeter Yılmaz
doaj   +1 more source

Interplay between carotenoids, abscisic acid and jasmonate guides the compatible rice-Meloidogyne graminicola interaction [PDF]

open access: yes, 2017
In this study, we have characterized the role of carotenoids and chlorophyll in the compatible interaction between the sedentary root knot nematode (RKN) Meloidogyne graminicola and the monocot model plant rice (Oryza sativa). Previous transcriptome data
Demeestere, Kristof   +5 more
core   +2 more sources

A study of the low-lying singlet and triplet electronic states of chlorophyll A and B [PDF]

open access: yes, 2013
Chlorophylls have been extensively investigated both experimentally and theoretically owing to the fact that they are essential for photosynthesis. We have studied two forms of chlorophyll, chlorophyll a and chlorophyll b, by means of density ...
Etinski Mihajlo   +2 more
core   +1 more source

PIGMENTAL COMPOSITION OF BACKGROUND EPIPHYTIC SPECIES OF BRIO- AND LYCHENOBYOTES OF LARGE CITIES AS BIOINDICATION TISSUE

open access: yesВ мире научных открытий, 2018
Biochemical indices of the general state of air in cities are revealed - the content of photosynthetic pigment in the biomass of lichens and green mosses.
Nikolaevich Artem Zlydnev   +2 more
doaj   +1 more source

Reaction of photosynthetic apparatus of a representative of extrazonal steppe plants Quercus robur to air pollution by motor vehicle emissions [PDF]

open access: yes, 2017
We examined the vital condition of the common oak (Quercus robur L.) in plantations of different categories in Dnipro-city. In the investigated plantations, differences in the individual resistance of plants were recorded.
Alexeyeva, A.A.   +5 more
core   +3 more sources

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