Romanian Agricultural Research最新文献_第7页

Relation of Quantitative Traits in Winter Peas (Pisum sativum L.) 冬豌豆数量性状的关系

IF 0.7 4区农林科学

Romanian Agricultural Research Pub Date : 2023-01-01 DOI: 10.59665/rar4019

A. Bărbieru

引用次数: 0

Effect of Biochar on Yield, Yield Components, and Macronutrients of Rice (Oryza sativa L.) 生物炭对水稻产量、产量组成及常量营养元素的影响

IF 0.7 4区农林科学

Romanian Agricultural Research Pub Date : 2023-01-01 DOI: 10.59665/rar4034

Alireza Nosrati Falahkar, H. Doroudian, S. Bidarigh, S. Sadeghi, M. Ashouri

{"title":"Effect of Biochar on Yield, Yield Components, and Macronutrients of Rice (Oryza sativa L.)","authors":"Alireza Nosrati Falahkar, H. Doroudian, S. Bidarigh, S. Sadeghi, M. Ashouri","doi":"10.59665/rar4034","DOIUrl":"https://doi.org/10.59665/rar4034","url":null,"abstract":"Biochar has recently caught researchers’ attention due to its potential of improving soil fertility and immobilizing pollutants and its emergence as a proper method of increasing crop yields. An experiment was conducted on the effect of chemical, ecological, and organic (biochar and compost) nutritional systems on yield and yield components of rice as a split-plot field experiment based on a randomized complete block design with three replications in two sites in Lahijan in 2018-2019. The experimental factors included nutrition at three levels (ecological, chemical, and control) as the main plot and the organic matter at four levels (urban waste compost, biochar, Azolla, and control) as the sub-plot. The combined application of chemical and organic fertilizers produced the highest grain yield, reflecting the positive effect of their combination on grain yield and yield components of rice cv. ‘Hashemi’. The results showed that the highest grain yield of 3699 kg ha-1 was related to the treatment of chemical fertilizer and biochar and the lowest (2209 kg ha-1 , i.e., a 40% decline) to the control (no chemical or biological fertilizer application). The highest number of fertile tillers and panicles per plant was obtained from the application of chemical fertilizer and biochar, the highest number of filled grains per panicle (116 grains) was observed in the application of chemical fertilizer and biochar at the university farm, and the lowest (84 grains) from the control (unfertilized treatment) at the Kateshal farm. The nutrient uptake was significantly higher in the chemical and biochar treatment than in the other treatments. Organic systems had varying impacts on rice yield and reduced the application of chemical fertilizers. Biochar contributed to increasing the growth, yield, and nutrient uptake of rice plants.","PeriodicalId":49589,"journal":{"name":"Romanian Agricultural Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71122078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluation of Beauveria bassiana and Beauveria pseudobassiana Against Tanymecus dilaticollis 球孢白僵菌和假球孢白僵菌对扩张坦蝇的防治效果评价

IF 0.7 4区农林科学

Romanian Agricultural Research Pub Date : 2023-01-01 DOI: 10.59665/rar4052

A. Fătu, E. Georgescu, Maria Iamandei, M. Mateescu, I. Vlad

{"title":"Evaluation of Beauveria bassiana and Beauveria pseudobassiana Against Tanymecus dilaticollis","authors":"A. Fătu, E. Georgescu, Maria Iamandei, M. Mateescu, I. Vlad","doi":"10.59665/rar4052","DOIUrl":"https://doi.org/10.59665/rar4052","url":null,"abstract":"The grey corn weevil, Tanymecus (Episomecus) dilaticollis Gyll., (Curculionidae: Entiminae) is the most destructive pest of maize and sun flower crops in Romania. In this article we report result of evaluation of native strains of entomopathogenic fungus Beauveria bassiana (Bals.) Vuill. (Deuteromicotina: Hyphomycetes) and B. pseudobassiana Rehner et Humber against Tanymecus dilaticollis (Curculionidae: Entiminae) both in laboratory and field. In laboratory assay, two different strains of B. bassiana and one strain of B. pseudobassiana (BbLy) were applied on insects as 1×108 conidia/ml aqueous suspensions. The pure ATCC 74040 commercial strain of B. bassiana and the commercial mycoinsecticide based on this strain (Naturalis) were included in the laboratory assay for comparison. Adult mortalities were recorded daily, 14 days post-exposure. All the fungal strains have been shown to be pathogenic to T. dilaticollis. The B. bassiana strain (BbTd1) and the B. pseudobassiana strain (BbLy) were effective against adults of T. dilaticollis and comparable in percentage of mycosis and virulence to the B. bassiana strain ATCC 74040. The commercial product Naturalis was superior to the tested fungal strains killing the insects within a day. In the field, the strains BbTd1 and BbLy applied as conidia multiplied on barley grains (1×109 /g d.w) in the soil did not affect the T. dilaticollis density in maize crop.","PeriodicalId":49589,"journal":{"name":"Romanian Agricultural Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71122743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Effects of Different Soil Tillage on Soil Moisture, Weed Control, Yield and Quality of Maize (Zea mays L.) 不同耕作方式对土壤水分、杂草防治及玉米产量和品质的影响

IF 0.7 4区农林科学

Romanian Agricultural Research Pub Date : 2023-01-01 DOI: 10.59665/rar4044

E. Partal, C. V. Oltenacu, M. Paraschivu, O. Cotuna, M. Dima, E. Conțescu

{"title":"Effects of Different Soil Tillage on Soil Moisture, Weed Control, Yield and Quality of Maize (Zea mays L.)","authors":"E. Partal, C. V. Oltenacu, M. Paraschivu, O. Cotuna, M. Dima, E. Conțescu","doi":"10.59665/rar4044","DOIUrl":"https://doi.org/10.59665/rar4044","url":null,"abstract":"The study of the relationship between the crop plant and the technological measures is very important for establishing the best management to increase the yield, to preserve water in the soil and to reduce weed pressure. This article emphasizes the influence of tillage systems: conventional tillage (CT), minimum tillage (MT) and no-tillage (NT) on soil moisture, weed control and maize yield over three years (2020-2022) on a chernozem soil type at NARDI Fundulea, Romania. Determinations of soil moisture contributed to the climatic characterization of the agricultural year and supplied yearly reference data. In 2022, very low soil moisture values were recorded, being differentiated by the tillage system, leading to a minimum value of only 15.0% (517.5 m3 ha-1 ) for the CT system with spring plowing, a maximum of 19.4% (640.2 m3 ha-1 ) in the NT system and intermediate values in the MT system with 15.8% (564.9 m 3 ha-1 ) for chisel variant. The structure of the weeds present in the maize crop was 36% monocotyledonous and 64% dicotyledonous. The best weeds management does not involve their eradication, but keeping them under economic threshold using technological measures, such as soil tillage systems. Statistical analyzes showed significant effects of all soil tillage on maize yield and of their interactions with other technological measures. The three-year average results showed that the highest yields were recorded with MT (4.51 t ha-1 ), while the averages for CT and NT were lower (4.81 t ha-1 and, respectively, 3.38 t ha-1 ). The application of technological measures in accordance with the climate forecast led to an increase in the chances that maize crop will go well through the vegetation period and give high and stable yields.","PeriodicalId":49589,"journal":{"name":"Romanian Agricultural Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71122772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Agroeconomic Value of Some Lathyrus and Vicia Species in the Republic of Moldova 摩尔多瓦共和国一些石蕊属和薇属植物的农业经济价值

IF 0.7 4区农林科学

Romanian Agricultural Research Pub Date : 2023-01-01 DOI: 10.59665/rar4059

V. Țîței, Serghei Cozari

{"title":"Agroeconomic Value of Some Lathyrus and Vicia Species in the Republic of Moldova","authors":"V. Țîței, Serghei Cozari","doi":"10.59665/rar4059","DOIUrl":"https://doi.org/10.59665/rar4059","url":null,"abstract":"The efficient use of the biological potential of the leguminous plants that are adapted to the local climatic conditions becomes more and more relevant. The local ecotype of the species Lathyrus sativus, Lathyrus sylvestris, Lathyrus tuberosus, Vicia hirsuta, Vicia sativa, Vicia tenuifolia maintained in monoculture on experimental land in the NBGI Chişinău, served as objects of study. We found that the dry matter of the studied whole plants contained 169-257 g/kg CP, 96-125 g/kg ash, 219-346 g/kg CF, 244-371 g/kg ADF, 427-576 g/kg NDF, 34-58 g/kg ADL, 210-313 g/kg Cel, 183-205 g/kg HC, 64-150 g/kg TSS, with 59.3-69.4% DMD, RFV = 93-151, 11.87-13.55 MJ/kg DE, 9.75-11.13 MJ/kg ME, 5.77-7.22 MJ/kg NEl. The prepared hay contained 153-264 g/kg CP, 91-135 g/kg ash, 244-356 g/kg CF, 294-393 g/kg ADF, 475-606 g/kg NDF, 36-65 g/kg ADL, 258-329 g/kg Cel, 191-214 g/kg HC, 6-99 g/kg TSS, with 59.2-66.0% DMD, RFV = 90-129, 11.57-12.95 MJ/kg DE, 9.50-11.09 MJ/kg ME, 5.51-7.10 MJ/kg NEl. The haylage is characterized by pleasant smell and color, pH = 4.40-4.95, 4.7-6.1 g/kg acetic acid, 27.9-38.0 g/kg lactic acid, butyric acid was not detected, 159-180 g/kg CP, 105-125 g/kg ash, 296-343 g/kg CF, 316-360 g/kg ADF, 460-579 g/kg NDF, 51-55 g/kg ADL, 263-309 g/kg Cel, 142-219 g/kg HC, 43-106 g/kg TSS, 60.9-64.1% DMD, RFV = 98-129, 12.03-12.61 MJ/kg DE, 9.88-10.35 MJ/kg ME, 5.89-6.37 MJ/kg NEl. The harvested fresh mass and the haylage prepared from the studied species can be used as substrates in biogas production via anaerobic digestion for renewable energy production, with carbon nitrogen (C/N) ratios 12-20. The biochemical methane potential reached 320-378 litre/kg organic matter. The investigated leguminous species are an important forage source for livestock, many birds, bees and entomophagous insects, and they are excellent plants for erosion control and for reseeding and increasing the economic value of permanent and temporary grasslands. The harvested biomass can be used as alternative fodder for farm animals or as substrates in biogas generators for the production of renewable energy.","PeriodicalId":49589,"journal":{"name":"Romanian Agricultural Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71123719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Response of Runner Bean Crop to Irrigation and Fertilization 跑马豆作物对灌溉和施肥的响应

IF 0.7 4区农林科学

Romanian Agricultural Research Pub Date : 2022-01-01 DOI: 10.59665/rar3926

G. Teliban, V. Stoleru, G. Bireescu, G. Mihalache, M. Burducea, N. Munteanu, D. Țopa, G. Matei, Georgiana Rădeanu, L. Popa, N. Vladut

{"title":"The Response of Runner Bean Crop to Irrigation and Fertilization","authors":"G. Teliban, V. Stoleru, G. Bireescu, G. Mihalache, M. Burducea, N. Munteanu, D. Țopa, G. Matei, Georgiana Rădeanu, L. Popa, N. Vladut","doi":"10.59665/rar3926","DOIUrl":"https://doi.org/10.59665/rar3926","url":null,"abstract":"Currently there is a growing interest both in obtaining large agricultural yields in order to provide food for a growing population as well as in increasing the sustainability of production systems by improving the health of the soil. The overall objective of this study was to evaluate the effect of organic versus chemical fertilization versus irrigation on runner bean crop and soil health. A bi-factorial field experiment was organized in a split plot design with three replicates during two years (2019 and 2020). The first factor, irrigation, had two graduations: irrigated with 3000 m 3 ·ha-1 (Ir) and non-irrigated (Non-Ir). The second factor, fertilization, had four graduations: biosolids (1200 kg·ha-1 ) (B), chemical (360 kg·ha-1 ) (Ch), microorganism (80 kg·ha-1 ) (M) and unfertilized (Unfert). The results showed that, regarding the physiological state of the plants, both the photosynthesis and the chlorophyll content were higher at Ir x M (5.31 µmol CO2 m -2 s -2 and 45.23 SPAD units, respectively). The yield of dried beans ranged between 1476-4811 kg·ha-1 in 2019 and 1498-4727 kg·ha-1 in 2020 and was highest for Ir x Ch. Soil health status estimated by determining the dehydrogenase activity in the soil, has been improved for irrigated (Ir) and fertilized (B, M, Ch) variants.","PeriodicalId":49589,"journal":{"name":"Romanian Agricultural Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71120322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Crop Production and Water Productivity Simultaneously Optimization of Soybean Plant Using Two Meta-Heuristic Algorithms 基于两种元启发式算法的大豆作物产量和水分生产力同步优化

IF 0.7 4区农林科学

Romanian Agricultural Research Pub Date : 2022-01-01 DOI: 10.59665/rar3929

H. Babazadeh, M. Tabrizi, G. Hoogenboom

{"title":"Crop Production and Water Productivity Simultaneously Optimization of Soybean Plant Using Two Meta-Heuristic Algorithms","authors":"H. Babazadeh, M. Tabrizi, G. Hoogenboom","doi":"10.59665/rar3929","DOIUrl":"https://doi.org/10.59665/rar3929","url":null,"abstract":"The maximum crop production achievement in arid and semi-arid regions is the main issue that requires the optimum use of different variables of crop and water. Therefore, this research has been carried out for simultaneous optimization of water productivity (WP) and for high crop productivity under deficit irrigation management conditions. An original data series has been used for this research from an experimental design that was conducted in the form of randomized complete blocks design with three replications and seven irrigation treatments of different growth stages during two conductive crop seasons 2010 and 2011. The genetic algorithm has been applied as a multi-objective (MOGA) and under two scenarios of the priority of objective functions. Also, in order to investigate the application of the simulated annealing algorithm (SA), in a combined optimizing of two objective functions of soybean WP and plant production using weight summation method, it has been converted to a single objective one. The results have shown that under the first scenario conditions, the optimum grain yield and optimum WP are 3,827 and 3,953 kg ha-1 and 0.53 and 0.58 kg m-3 ha-1 in 2010 and 2011, respectively. The results in the combined optimization under the second scenario conditions show the amounts of optimum crop production and WP are 3,838.1 and 3,902.7 kg ha-1 and 1.12 and 0.75 kg m-3 ha-1 in the two seasons, respectively. Comparison of the MOGA and SA results has indicated that MOGA has a better capability in simultaneous optimization of the two objective functions. Maximum crop production was 4446 kg ha-1 for consuming 664.9 mm irrigation water. Also, the maximum WP was 0.82 kg m-3 ha-1 for consuming 375.8 mm irrigation water. Therefore, the dual-objective genetic optimization method can well optimize both objective functions and achieve the desired results in optimal grain yield and WP under constrained water resources.","PeriodicalId":49589,"journal":{"name":"Romanian Agricultural Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71120448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Effectiveness of Some Herbicides and Herbicide Combinations Applied to Chickpea (Cicer Arietinum L.) Culture 几种除草剂及组合除草剂对鹰嘴豆(Cicer Arietinum L.)的效果文化

IF 0.7 4区农林科学

Romanian Agricultural Research Pub Date : 2022-01-01 DOI: 10.59665/rar3940

J. Cojocaru, D. Marin

{"title":"Effectiveness of Some Herbicides and Herbicide Combinations Applied to Chickpea (Cicer Arietinum L.) Culture","authors":"J. Cojocaru, D. Marin","doi":"10.59665/rar3940","DOIUrl":"https://doi.org/10.59665/rar3940","url":null,"abstract":"The purpose of this work is to establish the effectiveness of herbicides or combinations of herbicides under the influence of different climatic conditions in the study years (2019-2021). In this regard, ARDS Teleorman has established an experiment with the application of herbicides and combinations of herbicides, applied in different doses, in different application periods, placed according to the method of randomized blocks in three repetitions, on a chernozem cambic soil with clay content over 42%. The Burnas variety, a chickpea variety created by ARDS Teleorman, was used. Based on the frequency, the following specific problems were identified: Digitaria sanguinalis, Echinochloa crus-galli, Setaria spp., Amaranthus retroflexus, Chenopodium album, Solanum nigrum, Hibiscus trionum, Polygonum convolvulus, Sinapis arvensis, Stellaria media, Veronica spp., Xitalicum Cirsium arvense, Convolvulus arvensis, Sonchus arvensis. On average, over the three years of experimentation, the combination of herbicides applied to the V8 variant [312.5 g/l S-metolaclor; 87.5 g/l terbutilazin applied in a dose of 4.0 l/ha in pre-emergence + isoxaflutol 240 g/l Ciprosulfamida (safener): 240 g/l applied in a dose of 0.3 l/ha in pre-emergence] 98%, variant V5 [960 g/l S-metolaclor isoxaflutol 240 g/l applied in a dose of 1.2 l/ha in pre-emergence + isoxaflutol 240 g/l Ciprosulfamida (safener): 240 g/l in a dose of 0.2 l/ha in pre-emergence] 96.4% and in variant V3 [50g/l quizalofop-p-ethyl at a dose of 1.2 l/ha post-emergence + isoxaflutol 240 g/l Ciprosulfamida (safener): 240 g/l at a dose of 0.15 l/ ha post-emergence] 96%. Of all the tested variants, the variant with the application of 312.5 g/l S-metolaclo; 187.5 g/l terbutilazin herbicides (4.0 l/ha) + isoxaflutol 240 g/l; Ciprosulfamida (safener): 240 g/l (0.3 l/ha) in pre-emergence, with a high level of production, which does not allow its recommendation in weed control in chickpeas.","PeriodicalId":49589,"journal":{"name":"Romanian Agricultural Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71120990","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Grain Morphometry Analysis of Romanian Winter Barley Cultivars Registered during 1959-2019 Period 1959-2019年登记的罗马尼亚冬大麦品种籽粒形态分析

IF 0.7 4区农林科学

Romanian Agricultural Research Pub Date : 2022-01-01 DOI: 10.59665/rar3916

L. Vasilescu, E. Petcu, E. Petcu, A. Sîrbu, C. Lazăr

{"title":"Grain Morphometry Analysis of Romanian Winter Barley Cultivars Registered during 1959-2019 Period","authors":"L. Vasilescu, E. Petcu, E. Petcu, A. Sîrbu, C. Lazăr","doi":"10.59665/rar3916","DOIUrl":"https://doi.org/10.59665/rar3916","url":null,"abstract":"Grain morphometry is presently among the main targets of modern barley breeding. Three yield trials with winter barley cultivars were performed in the 2018-2020 period at the National Agricultural Research and Development Institute Fundulea in order to analyze the weight of thousand grains and grain morphometry (grain length, grain width, grain area, grain circularity, grain length-width ratio, and factor form density) of six and two-row registered Romanian winter barley cultivars. Acquired image analysis of grains produced by 25 winter barley cultivars in three years with different grain filling conditions, showed that variation of climatic conditions significantly influenced the thousand grain weight (TGW), grain length (Gl), grain width (Gw), grain area (Ga), grain circularity (Gc), grain length-width ratio (L/W ratio) and factor form density (FFD). The barley cultivars were significantly different for all studied traits, which underlined a high level of diversity. All traits were on average different between six-row and two barley cultivars. TGW was highly correlated to Ga, Gw, and FFD. The PCA analysis revealed that PC1, PC2, and PC3 explain 99.1% of the amount of variation. Our paper provides extended information and the newest grain morphometry insight of an old, oldest, and modern barley germplasm released in three different breeding periods.","PeriodicalId":49589,"journal":{"name":"Romanian Agricultural Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71119624","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Antioxidant Enzyme Activities and Grain Yield of Rapeseed (Brassica Napus L.) of Response to Late-Season Drought and Sowing Date 甘蓝型油菜抗氧化酶活性与籽粒产量对晚干旱和播期的响应

IF 0.7 4区农林科学

Romanian Agricultural Research Pub Date : 2022-01-01 DOI: 10.59665/rar3907

Peyman Davami, Mojtaba Alavi Fazel, S. Lak, D. Habibi, Afshin Mozaffari

{"title":"Antioxidant Enzyme Activities and Grain Yield of Rapeseed (Brassica Napus L.) of Response to Late-Season Drought and Sowing Date","authors":"Peyman Davami, Mojtaba Alavi Fazel, S. Lak, D. Habibi, Afshin Mozaffari","doi":"10.59665/rar3907","DOIUrl":"https://doi.org/10.59665/rar3907","url":null,"abstract":"Drought stress and oxidative damage are among the most important factors that limit the growth and yield of drought crop plants. The global climate change has led us to adapting planting dates and select tolerant cultivars to encounter the new climatic conditions. To evaluate the effect of late-season drought stress under different planting dates on rapeseed cultivars, a 2- year field experiment was conducted as a factorial split-plot based on randomized complete block design (RCBD) in Karaj - Iran, from 2015 to 2017. Irrigation treatments were considered in the main plots and planting dates and cultivars as factorial were placed in subplots. Two planting dates were regular date (September, 26) (PD1) and late planting date (October, 26) (PD2). Irrigation was also carried out at two levels of normal irrigation (NI) and irrigation cut-off (II) from the pod formation stage onwards. Rapeseed cultivars included Tassilo, Elvise, Neptune and Okapi. Late-season drought stress and delayed planting date reduced anthocyanin (AN), guaiacol peroxidase (GPX) activity, and grain yield (GY), but increased malondialdehyde (MAD), in all rapeseed cultivars. The highest GY (3346.6 kg ha-1) was obtained in NI conditions and PD1. According to the results of stepwise regression, AN, GPX, and MAD with a coefficient of determination (R²=0.774) explained about 78% of the changes in the GY, among which MAD with a value of (-0.72) showed the greatest negative and significant impact on the GY. Therefore, Elvise can be introduced as a superior cultivar to be selected as a genotype that presents acceptable resistance under drought stress and late sowing in arid and semi-arid regions.","PeriodicalId":49589,"journal":{"name":"Romanian Agricultural Research","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71119768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0