Planta Daninha最新文献

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Parochial cooperation in wild chimpanzees: a model to explain the evolution of parochial altruism. 野生黑猩猩的狭隘合作:解释狭隘利他主义进化的模型。
IF 6.3
Planta Daninha Pub Date : 2022-05-23 Epub Date: 2022-04-04 DOI: 10.1098/rstb.2021.0149
Sylvain R T Lemoine, Liran Samuni, Catherine Crockford, Roman M Wittig
{"title":"Parochial cooperation in wild chimpanzees: a model to explain the evolution of parochial altruism.","authors":"Sylvain R T Lemoine, Liran Samuni, Catherine Crockford, Roman M Wittig","doi":"10.1098/rstb.2021.0149","DOIUrl":"10.1098/rstb.2021.0149","url":null,"abstract":"<p><p>Parochial altruism, taking individual costs to benefit the in-group and harm the out-group, has been proposed as one of the mechanisms underlying the human ability of large-scale cooperation. How parochial altruism has evolved remains unclear. In this review paper, we formulate a parochial cooperation model in small-scale groups and examine the model in wild chimpanzees. As suggested for human parochial altruism, we review evidence that the oxytocinergic system and in-group cooperation and cohesion during out-group threat are integral parts of chimpanzee collective action during intergroup competition. We expand this model by suggesting that chimpanzee parochial cooperation is supported by the social structure of chimpanzee groups which enables repeated interaction history and established social ties between co-operators. We discuss in detail the role of the oxytocinergic system in supporting parochial cooperation, a pathway that appears integral already in chimpanzees. The reviewed evidence suggests that prerequisites of human parochial altruism were probably present in the last common ancestor between <i>Pan</i> and <i>Homo</i>. This article is part of the theme issue 'Intergroup conflict across taxa'.</p>","PeriodicalId":20102,"journal":{"name":"Planta Daninha","volume":"31 1","pages":"20210149"},"PeriodicalIF":6.3,"publicationDate":"2022-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8977654/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89379836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Critical competition period of Parthenium hysterophorus L. in spring maize (Zea mays L.) 春玉米Parthenium hysterophorus L.的关键竞争期
IF 0.8
Planta Daninha Pub Date : 2020-11-15 DOI: 10.1590/s0100-83582020380100085
A. Rehman, R. Qamar, M. Safdar, Atique-ur-Rehman, H. Javeed, R. Maqbool, N. Farooq, M. Shahzad, Mazhar Ali, Z. H. Tarar
{"title":"Critical competition period of Parthenium hysterophorus L. in spring maize (Zea mays L.)","authors":"A. Rehman, R. Qamar, M. Safdar, Atique-ur-Rehman, H. Javeed, R. Maqbool, N. Farooq, M. Shahzad, Mazhar Ali, Z. H. Tarar","doi":"10.1590/s0100-83582020380100085","DOIUrl":"https://doi.org/10.1590/s0100-83582020380100085","url":null,"abstract":"Abstract Background: Parthenium hysterophorus L., commonly known as parthenium weed, poses severe economic and environmental hazards to the agro-ecosystems of Pakistan. Objective: To estimate the yield loss and critical competition period of this weed in the spring sown maize crop. Method: Field studies were conducted at an agronomic research area in the College of Agriculture at the University of Sargodha in Punjab-Pakistan during two consecutive year spring seasons (2014 and 2015). Treatments were comprised of viz., control plots (weed free), [...]","PeriodicalId":20102,"journal":{"name":"Planta Daninha","volume":"38 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2020-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43252409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Soybean tolerance to sulfentrazone and diclosulam in sandy soil 沙质土壤中大豆对亚砜和双嘧磺隆的耐受性
IF 0.8
Planta Daninha Pub Date : 2020-11-15 DOI: 10.1590/s0100-83582020380100081
G. Dalazen, Tiago E. Kaspary, Catarine Markus, A. Pisoni, Aldo Merotto Jr.
{"title":"Soybean tolerance to sulfentrazone and diclosulam in sandy soil","authors":"G. Dalazen, Tiago E. Kaspary, Catarine Markus, A. Pisoni, Aldo Merotto Jr.","doi":"10.1590/s0100-83582020380100081","DOIUrl":"https://doi.org/10.1590/s0100-83582020380100081","url":null,"abstract":"Abstract Background: The use of pre-emergent herbicides is an important tool to control weeds, however the tolerance of soybean to these herbicides can vary according to the type of soil. Objective: The aim of this study was to evaluate sulfentrazone and diclosulam soybean selectivity in a sandy soil, in order to establish these herbicides as supporting tools in weed control. Methods: The treatments consisted of six doses of sulfentrazone (150 to 400 g ha-1) and diclosulam (25.2 to 75.6 g ha-1), and an untreated [...]","PeriodicalId":20102,"journal":{"name":"Planta Daninha","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2020-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49359695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Competitive Interactions of Wild Oat ( Avena fatua L.) with Quality and Yield of Wheat ( Triticum aestivum L.) 野生燕麦(Avena fatua L.)与小麦品质和产量的竞争互作
IF 0.8
Planta Daninha Pub Date : 2020-06-15 DOI: 10.1590/S0100-83582020380100041
Umm-e-Kulsoom, Khan, H. Ali, L. Ali, Rizwan, A. Mahmood, A. B. Raza, M. Javaid
{"title":"Competitive Interactions of Wild Oat ( Avena fatua L.) with Quality and Yield of Wheat ( Triticum aestivum L.)","authors":"Umm-e-Kulsoom, Khan, H. Ali, L. Ali, Rizwan, A. Mahmood, A. B. Raza, M. Javaid","doi":"10.1590/S0100-83582020380100041","DOIUrl":"https://doi.org/10.1590/S0100-83582020380100041","url":null,"abstract":"ABSTRACT: Crop-weed competition and interactions are the focus of many researchers to make the weed management decision accurate and economical. Therefore, field studies were conducted in two consecutive years (2012-13 and 2013-14) at two different locations viz Peshawar (34.0167o N, 71.5833o E) and Chitral (35o50’46\" N, 71o47’9\" E) of Khyber Pakhtunkhwa (KPK) province, Pakistan. The aim of the studies was to determine the competitive ability of wild oat (Avena fatua L.) with wheat (Triticum aestivum L.) at two ecologically different locations and the possible effects on quantity and quality of wheat grains. In field studies, the experiment were laid out in randomized complete block design (additive design) with three replications in which the seed rate of wheat (var. Ata-Habib) was 125 kg ha-1 while wild oat was planted at 0, 5, 10, 15, 20, 25, 30, 35, and 40 plants m-2. Field data showed the effects of different wild oat densities during both the years were prominent by significantly decreasing the grain and biological yield-related variables of wheat. Wild oat density above 5 plants m-2 resulted in decreasing the wheat yield components. These results showed that wild oat started competition at initial stage of the wheat. All other yield related variables of wheat were decreased by the increasing density of wild oat, which is indicated that wild oat compete with wheat throughout the crop season. The grain yield losses in wheat ranged from 2-35% during year 1 and 1-21% during year 2 at wild oat density of 5-40 plants m-2. The quality variables of wheat grains showed protein content in wheat grains were decreased at higher density of wild oat. During year 2, the gluten content in Chitral was decreased with increasing density of wild oat. In light of the present studies, it is suggested that presence of wild oat decrease all eco-biological yield related variables of wheat.","PeriodicalId":20102,"journal":{"name":"Planta Daninha","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2020-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44671738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Effect of Different Herbicides, Plant Extracts and Mulches on Yield and Yield Components of Maize 不同除草剂、植物提取物和地膜对玉米产量及产量成分的影响
IF 0.8
Planta Daninha Pub Date : 2020-04-17 DOI: 10.1590/s0100-83582020380100028
I. Khan, Obaid ur Rehman, S. Khan, H. Alsamadany, Y. Alzahrani
{"title":"Effect of Different Herbicides, Plant Extracts and Mulches on Yield and Yield Components of Maize","authors":"I. Khan, Obaid ur Rehman, S. Khan, H. Alsamadany, Y. Alzahrani","doi":"10.1590/s0100-83582020380100028","DOIUrl":"https://doi.org/10.1590/s0100-83582020380100028","url":null,"abstract":"ABSTRACT: To examine the effect of pre emergence herbicides, plant extracts and mulches on yield and yield components of maize, a field experiment was carried out at New Developmental Farm, The University of Agriculture Peshawar-Pakistan during summer crop season 2016. Maize variety “Azam” was sown in Randomized Complete Block (RCB) design having four replications and ten treatments i.e. hand weeding, Dual Gold 960 EC (S-metolachlor 1 L ha-1), Stomp 330 EC (pendimethaline 2.5 L ha-1), atrazine 1.25 L ha-1, Eucalyptus camaldulensis L. extract (125 g L-1), Ammi visnaga L. extract (125 g L-1), black plastic mulch, wheat straw mulch, saw dust mulch and weedy check. The data revealed that hand weeding and herbicides significantly affected the weed density (m-2), weeds biomass (kg ha-1), plant height (cm), kernels weight (g), number of kernels ear-1, biological yield (kg ha-1) and grain yield (kg ha-1). All the significant parameters of crop were comparable among the hand weeding, atrazine, S-metolachlor and pendimethaline treated plots. However, atrazine and S-metolachlor proved to be the most economical herbicides giving maximum yield (4636.4 and 4562.8 kg ha-1), respectively. Among plant extracts, E. camaldulensis showed satisfactory results in suppressing weeds and enhancing yield of maize i.e. (3441.6 kg ha-1). Hence, the use of herbicides (atrazine and S-metolachlor) at the recommended rates and hand weeding is recommended for effective weed control and ultimately high yield of maize crop.","PeriodicalId":20102,"journal":{"name":"Planta Daninha","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2020-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47859887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Seed Longevity of Spotted Spurge and Wild Poinsettia Under Diverse Environmental Conditions 不同环境条件下斑点菜和野生一品红种子寿命的研究
IF 0.8
Planta Daninha Pub Date : 2020-01-01 DOI: 10.1590/s0100-83582020380100002
R. Asgarpour, R. Ghorbani, M. Khajeh-Hosseini, F. Golzardi, M. Ilkaee
{"title":"Seed Longevity of Spotted Spurge and Wild Poinsettia Under Diverse Environmental Conditions","authors":"R. Asgarpour, R. Ghorbani, M. Khajeh-Hosseini, F. Golzardi, M. Ilkaee","doi":"10.1590/s0100-83582020380100002","DOIUrl":"https://doi.org/10.1590/s0100-83582020380100002","url":null,"abstract":"ABSTRACT: Seed longevity under different environmental conditions is considered as one of the most important factors in the spread and persistence of an exotic species. The Experiments were conducted to determine seed persistence in soil, effects of submergence in water, flooding of the soil, and high temperatures on germination and viability of spotted spurge (Chamaesyce maculata) and wild poinsettia (Euphorbia heterophylla) as two exotic species in different regions of Golestan province. Spotted spurge seeds buried at depth of 10 cm maintained their viability above 95% after a year, while wild poinsettia seeds were destroyed completely after exhuming the soil. Seeds of both species were unable to germinate under submergence, but 92% of the spotted spurge seeds remained viable under this condition for 14 d. No germination was observed after 9 weeks submersion. Submersion duration drastically affected seed germination of wild poinsettia, so that no germination occurred after 6 d submersion. Twelve days after flooding, spotted spurge emergence decreased by 57% compared to the control. Ten percentage of wild poinsettia seedlings emerged when flooding was kept up to 12 d after sowing, while control had 96% emergence. Germination of spotted spurge seeds subjected to 140 oC for 5 min was 5%. Viability of wild poinsettia seed was completely lost at 120 and 140 C for 5 min. These results suggest that spotted spurge is capable of forming persistent seedbank. Seeds of spotted spurge were partially tolerant to submersion in water, but wild poinsettia seed are susceptible to submergence. The burning of crop residue could also prevent augmenting the soil seed bank of both species.","PeriodicalId":20102,"journal":{"name":"Planta Daninha","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67277722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Sequential Application of Herbicides Alone and in Mixture With and Without Foliar Fertilizer after Pruning of Cassava Plants 木薯剪枝后单除草剂与叶面肥混用及不混用除草剂的顺序施用
IF 0.8
Planta Daninha Pub Date : 2020-01-01 DOI: 10.1590/s0100-83582020380100004
N. V. Costa, A. C. Salvalaggio, S. D. Ferreira, J. A. Barbosa, A. M. Gibbert
{"title":"Sequential Application of Herbicides Alone and in Mixture With and Without Foliar Fertilizer after Pruning of Cassava Plants","authors":"N. V. Costa, A. C. Salvalaggio, S. D. Ferreira, J. A. Barbosa, A. M. Gibbert","doi":"10.1590/s0100-83582020380100004","DOIUrl":"https://doi.org/10.1590/s0100-83582020380100004","url":null,"abstract":"ABSTRACT: A new cycle of growth begins after pruning of cassava, and weed control is necessary. Thus, this study aimed to evaluate the selectivity and efficiency of sequential application of herbicides alone and in mixture with and without of foliar fertilizer after pruning of cassava. Two experiments were carried out in a randomized block design with four replications. The treatments of Experiment 1 consisted of control without weeding; control with weeding; mesotrione; mesotrione/mesotrione; mesotrione + foliar fertilizer/mesotrione + foliar fertilizer; mesotrione/mesotrione + foliar fertilizer; mesotrione + clethodim; mesotrione + clethodim + foliar fertilizer/mesotrione + clethodim + foliar fertilizer; mesotrione + clethodim/mesotrione + clethodim; mesotrione + clethodim/chlorimuron; mesotrione + clethodim/chlorimuron + foliar fertilizer; mesotrione + clethodim + foliar fertilizer/chlorimuron + clethodim + foliar fertilizer; mesotrione + clethodim/chlorimuron + clethodim]. Treatments of Experiment 2 consisted of control without weeding; control with weeding; chlorimuron; chlorimuron + foliar fertilizer/chlorimuron + foliar fertilizer; chlorimuron/chlorimuron; chlorimuron + clethodim; chlorimuron + clethodim + foliar fertilizer/chlorimuron + clethodim + foliar fertilizer; chlorimuron + clethodim/chlorimuron + clethodim; chlorimuron + clethodim/mesotrione + foliar fertilizer; chlorimuron + clethodim/mesotrione; chlorimuron + clethodim + foliar fertilizer/mesotrione + clethodim + foliar fertilizer; chlorimuron + clethodim/mesotrione + clethodim. The doses of mesotrione, clethodim, and chlorimuron used in both experiments were 240, 120, and 20 g ha-1, respectively, while 2.5 L of the commercial product Amino Plus® was used as foliar fertilizer. The first application was carried out at 50 days after pruning and the second application at 22 days after the first application. In Experiment 1, the application of mesotrione, mesotrione/mesotrione, and mesotrione + clethodim/mesotrione + clethodim showed selectivity to cassava and were efficient in weed control. In Experiment 2, chlorimuron + clethodim/mesotrione, chlorimuron + clethodim + foliar fertilizer/mesotrione + clethodim + foliar fertilizer, and chlorimuron + clethodim/mesotrione + clethodim were efficient in weed control, but no treatment was selective. The addition of foliar fertilizer to the spray solution did not contribute to increase selectivity.","PeriodicalId":20102,"journal":{"name":"Planta Daninha","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67277790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Allelopathic Influence of Sorghum Aqueous Extracts and Sorghum Powder on Germination Indices and Seedling Vigor of Hybrid Corn and Jungle Rice 高粱水提物和高粱粉化感作用对杂交玉米和丛林稻发芽指标和幼苗活力的影响
IF 0.8
Planta Daninha Pub Date : 2020-01-01 DOI: 10.1590/s0100-83582020380100005
S. Yar, E. Khan, I. Hussain, B. Raza, M. Abbas, Z. Munazza
{"title":"Allelopathic Influence of Sorghum Aqueous Extracts and Sorghum Powder on Germination Indices and Seedling Vigor of Hybrid Corn and Jungle Rice","authors":"S. Yar, E. Khan, I. Hussain, B. Raza, M. Abbas, Z. Munazza","doi":"10.1590/s0100-83582020380100005","DOIUrl":"https://doi.org/10.1590/s0100-83582020380100005","url":null,"abstract":"ABSTRACT: Allelopathy has become a paramount tool for controlling weeds in crop plants without deteriorating the environment. Allelopathic effects of sorghum aqueous extracts and sorghum powder on a single cross maize (Zea mays L.) hybrid “HC-8080” and a summer weed, jungle rice (Echinochloa colona L.) were assessed in the research laboratory of Agronomy, Faculty of Agriculture, Gomal University, Dera Ismail Khan, KPK, Pakistan. The treatments included: T1: control (untreated check), T2: sorghum aqueous extract at a rate of 5 mL kg-1 soil, T3: sorghum aqueous extract at a rate of 10 mL kg-1 soil, T4: sorghum aqueous extract at a rate of 15 mL kg-1 soil, T5: sorghum powder at a rate of 5 g kg-1 soil, T6: sorghum powder at a rate of 10 g kg-1 soil and T7: sorghum powder at a rate of 15 g kg-1 soil. The results unveiled that sorghum aqueous extract at a rate of 15 mL kg-1 soil was the most deleterious treatment which reduced the germination percentage (GP) in maize and E. colona by 23.57% and 47.03%, germination index (GI) by 22.30% and 42.14%, root length by 32.25% and 62.54% and shoot length by 23.22% and 62.76%, respectively over control. Similarly, 15 g kg-1 soil sorghum powder reduced the same parameters respectively by 18.85% and 41.09%, 15% and 33.53%, 9.3% and 54.69% and 15.88% and 45.34% in maize and E. colona, respectively and stood better than other powder treatments. Therefore it is concluded that sorghum extracts and powder can both be used to control weeds efficiently but their deleterious effect on the corresponding crop should also be an important consideration.","PeriodicalId":20102,"journal":{"name":"Planta Daninha","volume":"38 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67277896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Water restriction, salinity and depth influence the germination and emergence of sourgrass 水分限制、盐度和深度影响酸草的萌发和出苗
IF 0.8
Planta Daninha Pub Date : 2020-01-01 DOI: 10.1590/s0100-83582020380100057
Jackson Zambão, Henrique v.H. Bittencourt, Lisandro T.S. Bonome, Michelangelo M. Trezzi, Augusto C.P.P. Fernandes
{"title":"Water restriction, salinity and depth influence the germination and emergence of sourgrass","authors":"Jackson Zambão, Henrique v.H. Bittencourt, Lisandro T.S. Bonome, Michelangelo M. Trezzi, Augusto C.P.P. Fernandes","doi":"10.1590/s0100-83582020380100057","DOIUrl":"https://doi.org/10.1590/s0100-83582020380100057","url":null,"abstract":"Background: Substantial losses to crops can occur due to the presence of sourgrass in agroecosystems, which is promoted by its seed dispersal ability. Environmental factors can affect sourgrass germination and emergence. Objective: The objective of this study was to determine the effects of water restriction, salinity, and depth of sowing on the sourgrass germination and emergence processes. Methods: Experiments using sourgrass seeds were conducted under controlled conditions simulating osmotic and saline stress and seeding depths. The data collected was submitted to analysis of variance and adjusted to models by regression analysis. Results: Smaller osmotic potentials reduced germination, normal seedlings, and increased quiescence, with no germination occurring from -0.80 MPa. Salinity caused a decrease in germination from 20 mM NaCl, influencing the percentage of normal and abnormal seedlings and quiescent seeds. Seed depth influenced the emergence of seedlings, with the maximum percentage of emergence (83%) in the seeds placed on the substrate surface. The maximum depth from which sourgrass seedlings emerged was 7.6 cm. Conclusions: The results lead to the conclusion that the sourgrass germination process tolerates low osmotic potentials and salinity levels. Despite being small sized seeds, they can emerge from high depths. These characteristics justify its occurrence in several regions and agroecosystems, especially in perennial and no-till crops lacking soil cover.","PeriodicalId":20102,"journal":{"name":"Planta Daninha","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67278777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Resistance detection of blackjack to ALS inhibitors by in vitro plant growth method 用离体植物生长法检测二十一点对ALS抑制剂的抗性
IF 0.8
Planta Daninha Pub Date : 2020-01-01 DOI: 10.1590/s0100-83582020380100065
Daniela Tessaro, Daiane Benneman, Laís T. Perboni, Jéssica R. Garcia, Marlon M. Teixeira, D. Agostinetto
{"title":"Resistance detection of blackjack to ALS inhibitors by in vitro plant growth method","authors":"Daniela Tessaro, Daiane Benneman, Laís T. Perboni, Jéssica R. Garcia, Marlon M. Teixeira, D. Agostinetto","doi":"10.1590/s0100-83582020380100065","DOIUrl":"https://doi.org/10.1590/s0100-83582020380100065","url":null,"abstract":"Background: The resistance of weeds to herbicides is a problem that has been increasingly studied because of its great importance in agriculture and rapid growth of this phenomenon worldwide. The quick detection of resistant plants is extremely important for resistance management. Weed resistance to herbicides can be detected through field, greenhouse and laboratory tests. A fast way of detecting resistance is using tissue culture method, where is possible to use resistant plant clones and obtain results faster than whole-plant method in greenhouse. Objective: The aims of the research were to detect the resistance of blackjack to herbicides inhibitors of the acetolactate synthase (ALS), addition in vitro cultivation; determine the herbicide concentration of imazethapyr to 95% control of the susceptible plant population; evaluate explants growth; and, determine the herbicide concentration added to the culture medium where is possible to distinguish a resistant from a susceptible plant. Methods: Experiments were carried out in greenhouse and tissue culture laboratory. Screening was performed to select resistant and susceptible biotypes, tests for specie establishment and dose response curves in vitro were made. Results: The herbicide concentration added to the culture medium that provided 95% susceptible biotype control and efficiently differentiated susceptible biotype from resistant one was 0.6μM of imazethapyr. Conclusions: This method helps recommendations of weed management and provides a quick decision to alternative control of this specie, thus avoiding major damage to the crops.","PeriodicalId":20102,"journal":{"name":"Planta Daninha","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67279503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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