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DETERMINATION OF BOTANICAL COMPOSITION, YIELD AND PASTURE QUALITY RATINGS OF INFERTILE PASTURES IN KOZLUK DISTRICT OF BATMAN PROVINCE OF TURKEY
(Parlar Scientific Publications (P S P), 2019) Seydosoglu, Seyithan; Cacan, Erdal; Sevilmis, Ugur
This study was carried out to determine the yield, quality, capacity and species diversity in Kozluk pastures of Batman province of Turkey. Studies were carried out in pastures of five villages (Yenicaglar, Karpuzlu, Kavakdibi, Kahveci and Yaprakli). Vegetation measurement was conducted by wheeled loop method. Total average plant coverage rate of relevant pastures was 84,7% where the ratio of graminea in the botanical composition was 25,4%, the ratio of legumes was 36,8% and the rate of other family plants was 37,8%. The ratio of the decreasers was 1,8%, the ratio of increasers were 9,5% and the rate of the invaders was 88,8%. The average green grass yield of the pastures was 1,2 t/ha and the hay yield was 0,3 t/ha. The average pasture quality grade of the pastures was 3,89. As a result of vegetation surveys, it was concluded that three of five pastures were at medium condition and two were in need of improvement treatments.
DETERMINATION OF ENERGY UTILIZATION EFFICIENCY AND GREENHOUSE GAS (GHG) EMISSIONS FOR FORAGE PEA PRODUCTION AT MUS PROVINCE IN TURKEY
(Pakistan Botanical Soc, 2023) Turan, Nizamettin; Seydosoglu, Seyithan; Baran, Mehmet Firat; Demir, Cihan
The study's goal is to assess the energy balance of fodder pea crop production.and greenhouse gas (GHG) emission under Mus conditions, Turkey in 2020. Basic information such as the economic life of the instruments and machines utilized in the study, work success, fuel-oil consumption, machine weights and the amount of used fertilizer and seed were obtained by current measurements, from other studies, various sources and catalogs. The evaluations resulted in the determined energy output/input ratio, the specific energy value, and energy productivity. and the net energy efficiency values for feed pea crop production were 5.10, 3.65 MJ kg-1, 0.27 kg MJ-1 and 35636.85 MJ ha-1, respectively. The fertilizer energy had the highest energy utilization rate of the overall energy inputs for feed pea production, with 31.35%.. This was followed by seed energy with 25.77%, fuel energy with 21.40%, machine energy with 14.93% and human energy with 6.55%, respectively. Total GHG emission for forage pea crop production was calculated as 1533.81 kgCO2-eqha-1. The highest share in total GHG emissions was at seedconsumption (59.69%). The seed was followed by human labor (13.23%), nitrogen fertilizer consumption (9.12%), phosphate fertilizer consumption (6.02%), machinery use (6.0%) and diesel fuel consumption (5.94%). Furthermore, the GHG ratio in the production of fodder pea crops was calculated to be 0.65 kgCO2-eqkg-1. As a result, fertilizer energy had the biggest share of production inputs, followed by seed, fuel, machinery, and human labor energies, respectively. Total GHG emission and the GHG ratio was calculated as 1533.81 kgCO2-eqha-1 and 0.65 kgCO2-eqkg-1, respectively.
Determination of yield and quality characteristics of local alfalfa genotypes cultivated in semi-arid conditions of Turkiye
(Akdeniz Univ, Fac Agriculture, 2025) Seydosoglu, Seyithan; Cacan, Erdal; Kokten, Kagan
Alfalfa is a field crop that can produce more protein per hectare than many other field crops. In order to be successful in alfalfa cultivation, varieties that are resistant to winter conditions, diseases and pests and have high yield characteristics should be preferred. In this study, seeds of six local genotypes were collected from farmers cultivating alfalfa in the Mus province of the semi-arid Eastern Anatolia Region. The field trial of this study, in which six local genotypes were compared with four registered varieties, was established in Bingol province in 2016 with three replications according to the coincidence blocks experimental design. In the study, some yield (green forage and dry matter yields) and quality traits (crude protein ratio, crude protein yield, ADF, NDF, digestible dry matter and relative feed value) of ten genotypes were analyzed for three years (2016, 2017 and 2018). As a result of the research, 68.57 t ha(-1) green forage yield, 24.07 t ha(-1) dry matter yield, 23.1% crude protein rate, 5.50 t ha(-1) crude protein yield, 24.3% ADF rate, 39.0% NDF rate, 70.0% digestible dry matter rate and 172.2 relative feed value were obtained from the genotypes. Sungu-3 and Varto genotypes, together with the registered varieties Elci, Nimet, Verko and Omerbey, gave the highest green forage yield, dry matter yield and crude protein yield. While there was no statistically significant difference between the genotypes in terms of crude protein ratio, it was observed that the registered varieties gave better results in terms of ADF, NDF and digestible dry matter ratios and relative feed value. It is foreseen that Sungu-3 and Varto varieties can be preferred and can be used as starting material in the breeding programs to be carried out since they give results close to the registered varieties in terms of yield characteristics.
Determining the performance of alfalfa population collected from a narrow agroeceological zone of Turkey
(Univ Federal Santa Maria, 2020) Cacan, Erdal; Kokten, Kagan; Seydosoglu, Seyithan
This study was carried out to determine the yield and quality characteristics of some alfalfa village populations cultivated by producers in Bingol province of Turkey. Alfalfa seeds were obtained from 23 different locations in 2015. A three replicated, randomised complete block designed field trial was established in 2016 including these genotypes and four registered varieties. As a result of three year trials, it was determined that the populations obtained from the villages of Servi, Mutluca, Garip, Saricicek-1 and Bagliisa produced highest green herbage and hay yields. When we compare the quality results, Kumgecit, Kucuktekoren and Senkoy-1 populations stands out in terms of crude protein ratio. Highest crude protein yield was obtained from Servi population. In terms of relative feed value, it was observed that the varieties were better qualfied than the populations. It is concluded that the populations of Servi, Mutluca, Garip, Saricicek-1 and Bagliisa can be used in breeding studies especially to obtain genetic progress in yield of alfalfa for feed and bioenergy production. For the genetic improvement of current genotypes with higher crude protein ratio, Kumgecit, Kucuktekoren and Senkoy-1 populations can be used as a source. This study showed that, East Anatolia region is not just live-conserving highly diversified species but also covering special intra-species genetic diversity in microclimatic zones of Turkey to be used to improve the global forage and bioenergy cropproduction.
Effects of different mixture ratios of grass pea (Lathyrus sativus L.) and barley (Hordeum vulgare) on quality of silage
(Agricultural Research Communication Centre, 2019) Seydosoglu, Seyithan
The study was aimed to determine the properties of silages obtained by growing different mixture ratios of grass pea and barley harvested in the flowering and spike period, respectively. The research was carried out in the experimental field of the GAP International Agricultural Research and Training Center during 2014-2015 and 2015-2016 growth seasons during two years. Kendal barley variety and GAP Mavisi grass pea variety were used as material.The treatments viz., 100% barley, 100% grass pea, 75% grass pea + 25% barley, 50% grass pea + 50% barley and 25% grasspea + 75% barley mixtures were used for different silage preperations. Silages were prepared with 4 replications in 3 liters plastic jars, which were mixed and compressed uniformly and sealed thight. Crude protein, crude ash, acid detergent fiber, neutral detergent fiber and lactic acid ratios of silages were determined. According to 2-year average results; all applications were found statistically significant.
FATTY ACID COMPOSITION AND MINERAL ELEMENTS OF NARBON VETCH LINES
(Springer, 2022) Kokten, Kagan; Uzun, Sati; Kaplan, Mahmut; Seydosoglu, Seyithan
[Abstract Not Available]
Fatty acid content and nutritional composition of seeds of certain Triticale varieties
(Innovhub Ssi-Area Ssog, 2025) Ozdemir, Selim; Seydosoglu, Seyithan; Kokten, Kagan; Cil, Abdullah
Triticale cultivars can be grown for fodder as well as grain. Growing demand for food resources has led to an increased interest in triticale development. This cereal is receiving great attention as an alternative source of nutrients and health-protective components in the human diet. In this study, the lipid content and fatty acid composition of 7 triticale varieties were determined. The lipid content of the examined triticale varieties varied between 0.11 and 1.14%. The major unsaturated fatty acids found in the grain lipids of triticale varieties were oleic (17.16-22.74%), linoleic (53.67-57.84%) and linolenic (4.04-5.01%) acids. Levels of palmitoleic, arachidic, erucic, docosahexaenoic and nervonic acids were found to be lower than 1%. The crude ash (CA) and crude protein (CP) ratios in the grains of triticale varieties varied between 0.75-2.24% and 7.45-9.34%, respectively. The acid detergent fiber (ADF), neutral detergent fibre (NDF) and acid detergent lignin (ADL) ratios of the grains of triticale varieties varied between 7.91-9.04%, 25.34-29.45% and 1.06-2.96%, respectively. The dry matter digestibility (DMD) and dry matter intake (DMI) ratios and relative feed value (RFV) values of triticale grains varied between 81.86-82.74%, 4.08-4.74% and 260.74-302.54, respectively. The Presto, Umranhanim and Alperbey varieties have greater ADL and NDF properties; Aysehanim and Mehmetbey varieties had better ADF and CP ratios; the Tatlicak-97 variety recorded higher total digestible nutrients (TDN), DMD, digestible energy (DE) and metabolic energy (ME) values; the Tacettinbey variety had higher ash content, DMI and relative feed value (RFV).
Fatty acid content and nutritional composition of seeds of certain Triticale varieties - [2]
(Innovhub Ssi-Area Ssog, 2025) Ozdemir, Selim; Seydosoglu, Seyithan; Kokten, Kagan; Cil, Abdullah
Triticale cultivars can be grown for fodder as well as grain. Growing demand for food resources has led to an increased interest in triticale development. This cereal is receiving great attention as an alternative source of nutrients and health-protective components in the human diet. In this study, the lipid content and fatty acid composition of 7 triticale varieties were determined. The lipid content of the examined triticale varieties varied between 0.11 and 1.14%. The major unsaturated fatty acids found in the grain lipids of triticale varieties were oleic (17.16-22.74%), linoleic (53.67-57.84%) and linolenic (4.04-5.01%) acids. Levels of palmitoleic, arachidic, erucic, docosahexaenoic and nervonic acids were found to be lower than 1%. The crude ash (CA) and crude protein (CP) ratios in the grains of triticale varieties varied between 0.75-2.24% and 7.45-9.34%, respectively. The acid detergent fiber (ADF), neutral detergent fibre (NDF) and acid detergent lignin (ADL) ratios of the grains of triticale varieties varied between 7.91-9.04%, 25.34-29.45% and 1.06-2.96%, respectively. The dry matter digestibility (DMD) and dry matter intake (DMI) ratios and relative feed value (RFV) values of triticale grains varied between 81.86-82.74%, 4.08-4.74% and 260.74-302.54, respectively. The Presto, Umranhanim and Alperbey varieties have greater ADL and NDF properties; Aysehanim and Mehmetbey varieties had better ADF and CP ratios; the Tatlicak-97 variety recorded higher total digestible nutrients (TDN), DMD, digestible energy (DE) and metabolic energy (ME) values; the Tacettinbey variety had higher ash content, DMI and relative feed value (RFV).
Fatty Acids and Grain Macronutrients of Some Pennisetum glaucum Genotypes
(Springer, 2023) Seydosoglu, Seyithan; Kokten, Kagan; Cil, Abdullah
[Abstract Not Available]
Fatty Acids Contents & Nutritional Compositions of Grains of Different Barley Genotypes
(Innovhub Ssi-Area Ssog, 2025) Ozdemir, Selim; Seydosoglu, Seyithan; Kokten, Kagan; Cil, Abdullah; Turan, Nizamettin
Barley is an important cereal in the world regarding its utilisation and extensive production as a feed and food grain in many countries. But little information is available on barley oil in terms of its composition. The aim of this study was to describe the importance of barley seeds by extracting their oil and determine its composition regarding lipids along with evaluations on composition, nutrient content, feed value and quality parameters. The crude ash, crude protein, ADF, NDF and ADL ratios of the seeds of barley genotypes varied between 3.5-7.1%; 8.3-13.4%; 13.5-26.0%; 23.8-36.3% and 1.99-8.78%, respectively. The DMD ratios, DMI ratios, RFV values, TDN ratios, DE and ME values of genotypes varied between 68.7-78.4%; 3.30-5.05%; 175.9-304.0%; 62.9-72.3%; 3.21-3.63 MJ/kg and 9.67-11.33 Mcal/kg, respectively. The total lipid content of the examined genotypes varied between 1.7 and 3.9%. Several fatty acids were detected; Palmitic, stearic and arachidic acids from saturated fatty acids were detected in the seeds of all barley genotypes examined in the study. The seed lipids of some barley genotypes contain palmitic (16.80-25.56%) and stearic (1.33-3.70%) acids as the major component of fatty acids, among the saturated acids, with small amounts of arachidic (0.24-0.54%) and behenic (0.06-0.90%) acids. The major unsaturated fatty acids found in the seed lipids were oleic (15.30-33.78%), linoleic (41.92-55.28%) and linolenic (2.84-5.43%) acids. Palmitoleic, erucic, docosahexaenoic and nervonic acids were shown to be lower than 1%. Eicosenoic and erucic acids were detected in all barley genotypes. Barley seeds may be used as a source of edible oil due to the presence of several unsaturated and essential fatty acids.
GENETIC VARIABILITY FOR SEED NUTRITIONAL COMPOSITION IN PEARL MILLET GENOTYPES ANALYZED BY BIPLOT METHOD
(Univ Quindio, 2023) Seydosoglu, Seyithan; Kokten, Kagan; Cil, Abdullah; Turan, Nizamettin
This study evaluated the chemical composition of pearl millet seeds belonging to different genotypes by biplot analysis. Seeds of 26 different pearl millet populations obtained from ICRISAT (International Crops Research Institute for the Semi-Arid Tropics) within the scope of TuBITAK 219O103 run by Sirnak University were used. The seeds were ground and analyzed for their chemical composition, i.e., acid detergent fiber (ADF), neutral detergent fiber (NDF), crude protein (CP), digestible dry matter (DDM) and dry matter intake (DMI) rate. The results revealed that crude protein ratio varied between 11.74-19.24%, whereas ADF ratio differed between 3.44-11.43%. Similarly, NDF ratio varied between 10.23-23.47%, while DDM ratio ranged between 79.98-86.21%. Likewise, DMI ratio differed between 5.11-11.72%. Scatter plot obtained after biplot analysis indicated three different groups based on the analyzed traits. The first group contained DDM and DMI, whereas the second group consisted of ADF and NDF. The protein ratio was in the third group. It was determined that ADF-NDF and DMI-DDM properties were negatively correlated with each other. According to biplot, genotypes 'A5-13', 'A13-6' and 'B1-7' were prominent for ADF-NDF, DMI-DDM, and protein ratio, respectively. Therefore, these genotypes can be used in future studies to induce the desired traits.
Greenhouse gas emission and energy analysis of vetch (Vicia sativa L.) cultivation
(Elsevier, 2023) Seydosoglu, Seyithan; Baran, Mehmet Firat; Turan, Nizamettin; Alfarraj, Saleh; Albasher, G.
Background: Agricultural production accounts for a major share of global energy consumption and greenhouse gas emissions (GHG). However, the information on energy use and GHG emissions from various crops is contradictory. Climate change is expected to increase the GHG emission from different crops; therefore, selection of the crops with lower GHG emission could be helpful in reducing the emission and energy consumption. A major focus of energy policy should be on improving energy efficiency. Saving money and lowering GHG emissions are only two benefits of using energy efficiently. However, these are unknown for the vetch cultivation in Siirt province of Turkey. Methods: This study investigated energy consumption efficiency and GHG emissions of vetch (Vicia sativa L.) production under dry circumstances in Siirt province, Turkey during 2021. Seed rate was kept 120 kg/ ha in the current study. The amount of fertilizer applied was 92.0 kg/ha pure phosphorus and 36.0 kg/ha pure nitrogen. To calculate the energy efficiency of vetch production in Siirt, energy inputs and energy outputs were computed. Results: The energy intake and output were 8205.02 MJ/ha and 90388.56 MJ/ha, respectively. The energy inputs were: 37.1 % diesel fuel energy, 31.2 % fertilizer energy, 21.2 % seed energy, 9.6 % equipment energy, and 0.9 % labor energy. The results revealed that energy consumption efficiency was 11.02, specific energy was 0.34 MJ/kg, energy efficiency was 2.90 kg/MJ, and net energy was 82183.54 MJ/ha in vetch production. Total GHG emissions from vetch production was 205.19 kgCO2-eq ha-1, with diesel fuel accounting for the lion's share (72.88 %). Diesel fuel was followed by the consumption of nitrogen fertilizer (26.33 %), phosphorous (0.47 %) and machinery (0.42 %). Additionally, GHG ratio was 0.009 kg CO2-eq kg-1 in vetch production. Conclusion: It is concluded that encouraging the farmers to produce vetch as an alternative to the production of conventional forage crops and rotation in fodder production will be beneficial. It will reduce GHG emissions with lesser energy consumption. (c) 2023 The Author(s). Published by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
GROWTH, HERBAGE YIELD AND QUALITY EVALUATION OF TURFGRASSES SPECIES UNDER AGRO-ECOLOGICAL CONDITIONS OF IĞDIR, TURKEY
(Pakistan Botanical Soc, 2024) Hosafioglu, Ibrahim; Akdeniz, Hakki; Turan, Nizamettin; Seydosoglu, Seyithan; Iqbal, Muhammad Aamir; El Sabagh, Ayman
The agro-botanical and qualitative testing of indigenous turfgrass species have remained neglected despite their enormous potential to provide nutritional herbage for dairy animals. A multi-year research was conducted to appraise the growth, herbage yield and nutritional quality performance of eight turfgrass species (Lolium perenne, Festuca arundinacea, Poa pratensis, Festuca rubra rubra, Festuca rubra comutata, Festuca rubra trichophylla, Festuca ovina, Agrostis tenuis) during 2015 and 2016 under the agro-ecological conditions of Igdir, Turkey. The experiment was carried out in a factorial design with three replications, while response variables included different agro-botanical traits and green herbage potential of turfgrasses under investigation. The results revealed that Festuca arundinacea remained superior for canopy covering rate, green herbage yield, plant height, root depth, leaf width, grass quality and greenness of leaf color.It was followed by Lolium perenne and Festuca rubra rubra. However, Festuca ovina and Agrostis tenuis performed below par to other turfgrass species during all seasons of both years. Therefore, turfgrass species 'Festuca arundinacea', Lolium perenne and Festuca rubra rubra may be recommended for obtaining significantly higher green herbage yield and quality in all three seasons (spring, summer and autumn) in Igdir, Turkey and in other regions of having similar agro-climatic conditions globally.
Interpretation of yield and quality traits of barley ( Hordeum vulgare L.) varieties by heatmap technique
(Elsevier, 2024) Karaman, Mehmet; Seydosoglu, Seyithan; Vyhnanek, Tomas; Ali, M. Ajmal; Elshikh, Mohamed Soliman
Background Barley (Hordeum vulgare L.) is the most cultivated cool-season cereal after wheat in T & uuml;rkiye. This can be attributed to its uses in the malt industry, human consumption, and animal nutrition etc. This study investigated yield, physiological, and quality traits of different barley varieties using heatmap and principal component analysis (PCA) technique to identify the varieties with better yield and superior quality. Methods A total of 12 barley varieties (8 two-row and 4 six-row) were used in the study. The varieties were sown under natural conditions and data relating to yield, phenology and quality traits (grain yield, heading time, plant height, number of spikes m(-2), 1000-grain weight, and starch ratio) were recorded. The recorded data were analyzed by PCA and heatmap techniques to determine the better-performing varieties. Results Significant variations were observed among the tested varieties for all evaluated traits (p < 0.01). Heatmap categorized the recorded traits into two clusters, and traits within the same cluster exhibiting interconnectedness. The primary cluster comprised of plant height, heading time, and 1000-grain weight. Similarly, the second significant cluster contained the varieties with similar grain yield, starch ratio, and the number of spikes m(-2). The varieties 'Bozlak' and 'Mert', 'Aydanhanim' and 'Tosunpa & scedil;a', 'Erciyes' and '& Ccedil;atalhuyuk', and 'Sabribey' and 'Asutay', exhibited significant resemblance for the recorded traits. The PCA revealed that 1000-grain weight was associated with the heading time, whereas starch ratio was associated with the grain yield. 'Erciyes' (3.58 tons ha(-1)), '& Ccedil;atalhuyuk 2001 ' (2.95 tons ha(-1)), and 'Bozlak' (2.72 tons ha(-1)) recorded the highest yield, whereas 'Erciyes' variety resulted in the delayed heading. Similarly, '& Ccedil;atalhuyuk', and 'Erciyes' produced the highest number of spikes m(-2). Likewise, '& Ccedil;atalhuyuk 2001 ', and 'Tosunpa & scedil;a' resulted in the heaviest 1000-grains, while 'Asutay' resulted in the highest starch ratio. Conclusion It is concluded that '& Ccedil;atalhuyuk', 'Erciyes', and 'Tosunpa & scedil;a' are superior varieties in terms of yield-related traits, whereas 'Asutay' proved better for starch ratio. Therefore, these varieties could be used in future breeding programs to improve these traits.
Lipid Contents and Fatty Acid Compositions of Grains of Italian Ryegrass Varieties
(Springer, 2024) Ozdemir, Selim; Seydosoglu, Seyithan; Kokten, Kagan; Cil, Abdullah
[Abstract Not Available]
Quality and Mineral Elements Contents of Trifolium spp. Ecotypes Collected from Eastern Anatolia (Türkiye)
(Selcuk Univ Press, 2025) Seydosoglu, Seyithan; Basbag, Mehmet
The flora of Turkey is rich plant species but there is less known about some species. Hence, there is need to determine species properties and their forage potentials for animal feeding. The objective of this study was determine to 14 different Trifolium species (T. ambiguum, T. bullatum, T. campestre, T. cherleri, T. dasyurum, T. echinatum, T. grandiflorum, T. hirtum, T. nigrescens, T. pauciflorum, T. resupinatum, T. spumosum, T. stellatum and T. tomentosum) that taken from natural habitats during the flowering period of the plants by cutting from the root collar of the plants from 12 different locations. The differences between Trifolium genotypes were found to be statistically very significant for all the examined traits. Crude protein (CP), Dry matter (DM), acid detergent insoluble fiber (ADF), neutral detergent insoluble fiber (NDF), acid detergent insoluble protein (ADP), digestible dry matter (DDM), dry matter intake (DMI), calcium (Ca), magnesium (Mg), phosphorus (P) and potassium (K) ratios and relative feed values (RFV), Ca/P and K/(Ca+Mg) values varied between 12.02-25.54%, 90.25-96.56%, 11.61-35.26%, 27.27-47.82%, 0.47-1.24%, 61.43-79.87%, 2.51-4.40%, 1.41-2.19%, 0.26-0.43%, 0.31-0.50%, 1.19-3.65%, 119.66-268.62, 3.24-6.09 and 0.56-1.97, respectively. Among the Trifolium species collected from different locations examined in the research, genotype number 25 (Trifolium tomentosum) stood out with high CP, DM, DDM, DMI and RFV values and low ADF and NDF ratios. Genotype number 17 (Trifolium nigrescens subsp. petrisavii) in terms of the same characteristics followed this genotype. While genotypes number 1 (Trifolium ambiguum), 16 (Trifolium nigrescens subsp. petrisavii) and 21 (Trifolium resupinatum var. resupinatum) stood out with high K values, genotypes number 25 (Trifolium tomentosum), 9 (Trifolium cherleri) and 21 (Trifolium resupinatum var. resupinatum) stood out with high Ca, Mg and P values, respectively. Among the Trifolium species examined, the best genotypes in terms of yield and quality were genotypes number 17 (Trifolium nigrescens subsp. petrisavii) and 25 (Trifolium tomentosum).
Status and health of some natural pastures in south east Anatolia region of Turkey
(Range Management Soc India, 2019) Seydosoglu, Seyithan; Kokten, Kagan; Saruhan, Veysel; Sevilmis, Ugur
To study the status and health of pastures in Derik district of Mardin province in south east Anatolia region, seven natural pastures were surveyed by modified wheel point with loop. Total of 45 plant species were recorded in studied pastures. The study was carried out during May and June 2015. Plant species were divided into three different groups: decreasers, increasers and invaders according to the palatability of the plant species for the grazing animals. Average vegetation cover ratio was found as 70.0%. Plant cover percentages of grasses, legumes and other family plants in the total plant cover were 21.53%, 29.19% and 49.28%, respectively. Invasive species were found dominant in these studied pastures. Thus pastures of Mardin province were highly degraded, and sustainable management and rehabilitation techniques need to be urgently applied to stop this on-going continuous degradation.
THE RELATIONSHIP BETWEEN MATURITY STAGE AND FORAGE YIELD AND QUALITY OF FIELD PEA (PISUM SATIVUM SSP. ARVENSE)
(Pakistan Botanical Soc, 2026) Karadeniz, Erdal; Seydosoglu, Seyithan; Bengisu, Gulsah
The aim of the study was to determine the appropriate growth stage for the harvest of peas (Pisum sativum L., cv. & Ouml;zkaynak) to obtain a better yield and quality. The study was conducted in K & imath;z & imath;ltepe district, Mardin province in the Southern Anatolian Region of Turkey during the 2018-2019 and 2019-2020 growing seasons. Forage peas were harvested at 3 different stages: 50% flowering stage, detergent fiber (ADF), neutral detergent fiber (NDF), digestible dry matter (DDM), dry matter intake (DMI), and relative feed value (RFV) were determined. The harvest at the visible first pod stage showed the highest values for GM, DM, CP yield, ADF, DMI, and RFV. Harvesting before or after this stage resulted in a significant decrease in these parameters. However, the highest CP rate and DDM value were recorded for the harvest at the 50% flowering stage, and the highest NDF was noted when the harvest was done at the full pod stage. Therefore, it is concluded that the most appropriate maturity stage for forage pea harvest in the Mardin province of Turkey and regions with similar ecological conditions is the first visible pod stage.

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