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Turkish Journal of Agriculture and Forestry

Chlorophyll

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Full-Text Articles in Forest Sciences

Different Doses Of Cadmium In Soil Negatively Impact Growth, Plant Mineral Homeostasis And Antioxidant Defense Of Mung Bean Plants, Fahad Mohammed Alzuaibr Aug 2023

Different Doses Of Cadmium In Soil Negatively Impact Growth, Plant Mineral Homeostasis And Antioxidant Defense Of Mung Bean Plants, Fahad Mohammed Alzuaibr

Turkish Journal of Agriculture and Forestry

Heavy metal (HM) pollution of soil has become a gigantic issue across the globe. Metals enter the food chain and cause problems in plants, animals, and humans. We performed this work to evaluate the impacts of different cadmium (Cd) levels on growth, physiology, mineral nutrition, and yield attributes of Vigna radiata. Changes in growth fund are statistically significant and directly linked with an increase in Cd doses. Various concentrations of cadmium exhibited significant (p ≤ 0.05) vicissitudes in biochemical parameters such as in the contents of chlorophyll, amino acids, soluble proteins, and total soluble sugars in experimental plants. The shoot …


The Rapid Detection Method Of Chlorophyll Content In Rapeseed Based On Hyperspectral Technology, Hongyuan Tang, Guiping Liao Jan 2021

The Rapid Detection Method Of Chlorophyll Content In Rapeseed Based On Hyperspectral Technology, Hongyuan Tang, Guiping Liao

Turkish Journal of Agriculture and Forestry

The inconsistency of chlorophyll content in rapeseed directly affects the quality of seed, so it is necessary to establish a rapid and nondestructive detection technology of chlorophyll in mature rapeseed. In this paper, the content of chlorophyll in rapeseed samples was determined by ultraviolet-visible spectrophotometry, and the near-infrared spectrum data were collected. The partial least squares regression model of chlorophyll content in rapeseed was established based on hyperspectral technology through first derivative and standard normal variable transformation pretreatment. The results of the cross-test showed that the determination coefficient of the validation set of the prediction model of chlorophyll content in …


Analysis Of Designs Used In Monitoring Crop Growth Based On Remote Sensing Methods, Cristina Teodora Dobrota, Rahela Carpa, Anca Butiuc-Keul Jan 2021

Analysis Of Designs Used In Monitoring Crop Growth Based On Remote Sensing Methods, Cristina Teodora Dobrota, Rahela Carpa, Anca Butiuc-Keul

Turkish Journal of Agriculture and Forestry

Choosing appropriate designs and methods for monitoring crop growth is a challenging process of major importance. Remote sensing from space and manned or unmanned airborne operations are used to measure crop reflectance and a wide variety of other agricultural parameters. While some experiments use only a few, specific methods and designs and organize the results in lists of evidence, other experiments use a wider range of techniques to create a more credible and comprehensive assessment of crop yield. Particular situations related to the available resources in terms of data collection and expertise in addition to the intended use of the …


The Effects Of Mistletoe (Viscum Album L.) On The Physiological Properties Of Some Drupetrees In Turkey, Tamer Üstüner Jan 2019

The Effects Of Mistletoe (Viscum Album L.) On The Physiological Properties Of Some Drupetrees In Turkey, Tamer Üstüner

Turkish Journal of Agriculture and Forestry

In the present study, the effects of mistletoe (Viscum album L.) on the physiological properties of drupe trees were investigated. In order to achieve this goal, sulfhydryl, chlorophyll a and b, total chlorophyll, ascorbic acid, total amino acid, proline, carotenoid, glucose, and fructose levels, as well as leaf proportional water contents were determined in both mistletoe and its hosts under laboratory conditions. According to the results, mistletoe caused a significant decrease in water content and reduced total ascorbic acid content in apricot, almond, and plum. Additionally, mistletoe did not affect the total amino acid, glucose, and fructose concentrations of the …


Lipophilic Antioxidants In Edible Weeds From Agricultural Areas, Helena Sircelj, Maja Mikulic Petkovsek, Robert Veberic, Metka Hudina, Ana Slatnar Jan 2018

Lipophilic Antioxidants In Edible Weeds From Agricultural Areas, Helena Sircelj, Maja Mikulic Petkovsek, Robert Veberic, Metka Hudina, Ana Slatnar

Turkish Journal of Agriculture and Forestry

The present paper reports the contents of individual lipophilic antioxidants in fourteen species of edible common agricultural weeds, typical of agricultural areas such as fields and orchards. Young edible green aboveground parts of weeds were analyzed for their chlorophyll, carotenoid, and tocopherol qualitative profiles and contents. To the best of our knowledge, this is the first report on the complete lipophilic antioxidant composition of the edible weeds examined in this study. The results revealed that all examined leafy plant species are good sources of lipophilic antioxidants, the richest source being Urtica dioica (255.64 mg 100 $g^{-1}$ fwt), followed by Cardamine …


Physiological Characterization Of Turkish Bread Wheat Genotypes For Resistance To Late Drought Stress, Ali̇ Öztürk, Murat Aydin Jan 2017

Physiological Characterization Of Turkish Bread Wheat Genotypes For Resistance To Late Drought Stress, Ali̇ Öztürk, Murat Aydin

Turkish Journal of Agriculture and Forestry

A number of physiological traits have been proposed as selection criteria for late drought resistance and grain yield improvement in wheat. To characterize them in terms of late drought resistance, 64 bread wheat genotypes were evaluated for canopy temperature difference (CTD), leaf senescence rate (LSR), SPAD chlorophyll value, initial fluorescence (Fo), maximum fluorescence (Fm), variable fluorescence (Fv), maximum quantum efficiency of PSII (Fv/Fm), leaf ash content, and grain ash content in two field experiments conducted in irrigated and late drought conditions during the 2011-12 and 2012-13 seasons in Erzurum, Turkey. The experiments were conducted in an 8 x 8 lattice …


Foliar Spray Of Selected Plant Growth Regulators Affected The Biochemical And Antioxidant Attributes Of Spinach In A Field Experiment, Maryam Aslam, Bushra Sultana, Farooq Anwar, Hassan Munir Jan 2016

Foliar Spray Of Selected Plant Growth Regulators Affected The Biochemical And Antioxidant Attributes Of Spinach In A Field Experiment, Maryam Aslam, Bushra Sultana, Farooq Anwar, Hassan Munir

Turkish Journal of Agriculture and Forestry

This study explored the effects of foliar spray of selected plant growth regulators (PGRs) on the biochemical and phenolic antioxidant attributes of spinach (Spinacia oleracea) leaves. Following foliar spray at three growth stages (40, 50, and 60 days) with selected PGRs, namely humic acid (HA), Moringa oleifera leaf extract (MOLE), and 6-benzylamino purine (6-BAP), and their mixed form, the samples of spinach leaves were harvested. The analysis of foliar-treated leaves revealed the content of proline, malondialdehyde (MDA), total soluble proteins (TSPs), total chlorophyll, and total carotenoids to be 22.45-72.32 μg/g FW, 2.41-29.13 ng/g FW, 3.21-22.45 μg/g FW, 4.173-19.700 mg/g FW, …


Evaluation Of Bread Wheat Genotypes For Early Drought Resistance Via Germinationunder Osmotic Stress, Cell Membrane Damage, And Paraquat Tolerance, Ali̇ Öztürk, Bi̇lgi̇ Taşkesenli̇gi̇l, Kami̇l Hali̇loğlu, Murat Aydin, Özcan Çağlar Jan 2016

Evaluation Of Bread Wheat Genotypes For Early Drought Resistance Via Germinationunder Osmotic Stress, Cell Membrane Damage, And Paraquat Tolerance, Ali̇ Öztürk, Bi̇lgi̇ Taşkesenli̇gi̇l, Kami̇l Hali̇loğlu, Murat Aydin, Özcan Çağlar

Turkish Journal of Agriculture and Forestry

In order to develop genotypes with stable, higher yields in dry farming conditions, it is necessary to characterize genetic resources based on drought adaptation, determine suitable genotypes, and then use them in breeding programs. This study was carried out at the laboratories of the Field Crops Department of Atatürk University Agricultural Faculty. A total of 64 certified and local bread wheat genotypes were used to test germination characters under osmotic stress, cell membrane damage, and paraquat tolerance. There were significant differences among genotypes with respect to the selection parameters in this study. Average germination percentages in osmotic environment treatments ranged …


Enhancement Of Emergence Potential And Stand Establishment Of Moringa Oleifera Lam. By Seed Priming, Wasif Nouman, Muhammad Tahir Siddiqui, Shahzad Maqsood Ahmed Basra, Irfan Afzal, Hafeez Ur Rehman Jan 2012

Enhancement Of Emergence Potential And Stand Establishment Of Moringa Oleifera Lam. By Seed Priming, Wasif Nouman, Muhammad Tahir Siddiqui, Shahzad Maqsood Ahmed Basra, Irfan Afzal, Hafeez Ur Rehman

Turkish Journal of Agriculture and Forestry

Moringa oleifera is a miracle tree that can be used in multiple ways, including as foodstuff, livestock fodder, a plant growth enhancer, or a water purifier. While the stem cutting method is easy and successful for tree propagation, the recent introduction of moringa as a field crop for biomass production requires propagation through seeds. The germination of stored moringa seeds is a problem of great concern that may be overcome by employing seed priming techniques. A pot study was conducted to explore the potential of seed priming in moringa. Seeds were subjected to hydropriming, matripriming, and priming with moringa leaf …


Estimation Of Single Leaf Chlorophyll Content In Sugar Beet Using Machine Vision, Parviz Ahmadi Moghaddam, Mohammadali Haddad Derafshi, Vine Shirzad Jan 2011

Estimation Of Single Leaf Chlorophyll Content In Sugar Beet Using Machine Vision, Parviz Ahmadi Moghaddam, Mohammadali Haddad Derafshi, Vine Shirzad

Turkish Journal of Agriculture and Forestry

Estimating crop nitrogen status accurately during side-dressing operations is essential for effective management of site-specific nitrogen applications. Variable rate technology (VRT) is one of the major operations in precision agriculture to reduce environmental risks and increase fertilizer use efficiency. In the present study, color image analysis was performed to estimate sugar beet leaf chlorophyll status. The experiment was carried out in a phytotron and nitrogen was applied at 6 levels to the sugar beet grown in pots. Chlorophyll level of the leaves was measured by a SPAD-502 chlorophyll meter. To estimate chlorophyll status, a neural-network model was developed based on …


Physiological Responses Of Two Turkish Rice (Oryza Sativa L.) Varieties To Salinity, Özgür Tatar, Holger Brueck, Mi̇that Nuri̇ Gevrek, Folkard Asch Jan 2010

Physiological Responses Of Two Turkish Rice (Oryza Sativa L.) Varieties To Salinity, Özgür Tatar, Holger Brueck, Mi̇that Nuri̇ Gevrek, Folkard Asch

Turkish Journal of Agriculture and Forestry

Effects of salinity (60 mM NaCl) on 2 Turkish rice varieties (Kıral and Yavuz) were studied in comparison to 2 international check varieties (IR4630-22-2 tolerant and IR31785-58-1-2-3-3 susceptible) in 2 hydroponic and 1 outdoor soil-based pot experiments. Partitioning of dry matter, leaf chlorophyll concentration, K^+ and Na^+ uptake, and proline accumulation in the leaves were investigated under both control and salt stress conditions. Dry matter accumulation decreased with salt stress in all varieties, with the decreases being more pronounced in IR31785 and Kıral. The results showed that the varieties tested expressed different adaptation mechanisms under salt stress; however, the increase …