Advances in Crop Science and Technology最新文献_第3页

Optimizing Benzobicyclon Efficacy in Drill-Seeded Rice 优化苯并双环在水稻上的药效

Advances in Crop Science and Technology Pub Date : 2018-02-13 DOI: 10.4172/2329-8863.1000339

Mason L. Young, Norsworthy Jk, Scott Rc

{"title":"Optimizing Benzobicyclon Efficacy in Drill-Seeded Rice","authors":"Mason L. Young, Norsworthy Jk, Scott Rc","doi":"10.4172/2329-8863.1000339","DOIUrl":"https://doi.org/10.4172/2329-8863.1000339","url":null,"abstract":"The repetitive use of the same herbicide sites of action in U.S. rice has led to the evolution of resistance in several weeds. Growers need to integrate multiple sites of action by mixing herbicides for effective weed control. Benzobicyclon is being developed as a post-flood herbicide for U.S. rice. As a Group 27 herbicide, benzobicyclon will offer a new site of action to rice producers in the U.S. Research was conducted in 2015 and 2016 to evaluate benzobicyclon efficacy based on weed size at application, flood depth, weed spectrum, tank mix with post-flood herbicides, and use rate. The greatest efficacy with benzobicyclon often occurred when applied to small weeds in a 15 cm flood depth. Barnyardgrass control with benzobicyclon was greater at 371 g ha-1 than at 247 g ha-1. Amazon sprangletop and acetolactate synthase-resistant rice flats edge were controlled completely with benzobicyclon at 247 g ha-1 at the early timing at both 5 cm and 15 cm flood depths. The addition of benzobicyclon at 247 g ha-1 to post-flood herbicides generally increased barnyardgrass and sprangletop spp. control. Benzobicyclon at 247 g ha-1 added to halosulfuron at 53 g ha-1 increased barnyardgrass control. The addition of benzobicyclon at 247 g ha-1 to other post-flood herbicides such as halosulfuron at 53 g ha-1, imazamox at 45 g ha-1, and cyhalofop 280 g ha-1 increased red sprangletop and Amazon sprangletop control (>90%). The addition of benzobicyclon to post-flood herbicides will broaden and improve the spectrum of weed control in US rice.","PeriodicalId":7255,"journal":{"name":"Advances in Crop Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86603100","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

Peronospora sp. Growing on P olylepis racemosa (Rosaceae) in the Andean Highlands of Cochabamba, Bolivia 生长在玻利维亚科恰班巴安第斯高地的总状蓼(蔷蔷科)上的蔷蔷花属植物

Advances in Crop Science and Technology Pub Date : 2018-02-08 DOI: 10.4172/2329-8863.1000338

M. CocaMorante

引用次数: 0

Improvements in Alfalfa ( Medicago sativa L.) Seed Production with Warming Climatic Conditions on the Northern Altiplano of La Paz, Bolivia 苜蓿(Medicago sativa L.)的改良气候变暖条件下玻利维亚拉巴斯北部高原的种子生产

Advances in Crop Science and Technology Pub Date : 2018-02-07 DOI: 10.4172/2329-8863.1000337

M. C. Morante, Zoia Coronado Lira

{"title":"Improvements in Alfalfa ( Medicago sativa L.) Seed Production with Warming Climatic Conditions on the Northern Altiplano of La Paz, Bolivia","authors":"M. C. Morante, Zoia Coronado Lira","doi":"10.4172/2329-8863.1000337","DOIUrl":"https://doi.org/10.4172/2329-8863.1000337","url":null,"abstract":"Alfalfa (Medicago sativa L.) has been cultivated since 1948 on the Northern Altiplano of La Paz, Bolivia. It is grown largely for forage rather than seed since the cold negatively affects fruit production. During the 2001/2002 season, an experimental plot with a complete random block design (5 × 2 m) and four replicates, was established at the Estacion Experimental Belen (the Belen Research Station) on the Northern Altiplano at an altitude of 3824 m, in which 11 varieties of alfalfa were planted with the aim of examining their seed-producing potential. These crops were left uncut between sprouting (August) and harvest. Maximum and minimum and mean daily temperatures were recorded over the growing season, and compared to those recorded for 1949/50 (just after alfalfa was first introduced). All the varieties showed good percentage flowering rates (mean 80%). In May 2002, 1 m2 samples were harvested from each experimental unit and air dried in the normal environment. The seeds were separated out by threshing, weighed, and the percentage able to germinate determined in the laboratory. The variety Valador produced the greatest seed yield (76 kgha-1) followed by Ranger (51 kg.ha-1). Historical records show no alfalfa seed to have been produced in the late 1940s/early 1950s. The variety UMSS produced the seeds that most often germinated (57%); those of the other varieties were commonly hard or immature. The temperatures recorded for the 2001/2002 season were notably warmer than those for 1949/50; temperature is known to influence alfalfa seedproducing capacity. The present results show that alfalfa seed can now be produced on the Northern Altiplano. This might be due to the higher temperatures currently recorded in the region, which might increase the presence of pollinating insects as well as improve plant and seed metabolism.","PeriodicalId":7255,"journal":{"name":"Advances in Crop Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79770617","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

Performance and Yield Stability Analysis of Potato Genotypes in Ethiopia 埃塞俄比亚马铃薯基因型生产性能及产量稳定性分析

Advances in Crop Science and Technology Pub Date : 2018-02-05 DOI: 10.4172/2329-8863.1000336

A. Worku, G. Mulugeta, Baye Berhun, T. Abebe, G. W. Giorgis, Abebe Chindie, G. Kebede

{"title":"Performance and Yield Stability Analysis of Potato Genotypes in Ethiopia","authors":"A. Worku, G. Mulugeta, Baye Berhun, T. Abebe, G. W. Giorgis, Abebe Chindie, G. Kebede","doi":"10.4172/2329-8863.1000336","DOIUrl":"https://doi.org/10.4172/2329-8863.1000336","url":null,"abstract":"Potato (Solanum tuberosum L.) is one of the most widely grown root and tuber crop in the mid and high altitude areas of Ethiopia. It has both dietary and income generating role to produces. However the yield obtained at farm levels is very low other compared with other county. One of the main reason for such low yield of potato in the country is luck of high yielding and disease resistance variety. To this effect, potato national variety trial was conducted by Adet, Holleta and Kulumsa Agricultural Research Centers with the main objective of identifying high yielder and disease tolerant potato genotypes in 2009 and 2010. In this trial 10 genotypes were tested against standard and local checks in randomized complete block design with three replications on gross plot size of 9 m2 planted at a spacing of 75 cm × 30 cm between rows and plants, respectively. Combined analysis over locations and seasons revealed that the clone CIP-396004.337 gave the highest marketable tuber yield of 345.60 qt/ha followed by CIP-395096.2 (344.20 qt/ha) whereas the lowest tuber yield (156.40 qt/ha) was from CIP-396029.250. Moreover, the lowest percentage (4.03%) of late blight infestation was from CIP-396004.337 as compared to 21.17% from genotype CIP-396029.250. GGE biplot as well as ASV analysis identified CIP-396004.337 as high yielder and stable clone and therefore recommended for release as commercial variety. Since 2013, it is released as new potato variety in Ethiopia with local name of “Dagem”.","PeriodicalId":7255,"journal":{"name":"Advances in Crop Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82951884","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

Energy Requirements and Performance of Different Soil Tillage Systems on the Yield of Maize Crop 不同土壤耕作制度对玉米作物产量的能量需求和性能

Advances in Crop Science and Technology Pub Date : 2018-01-26 DOI: 10.4172/2329-8863.1000334

S. Memon, N. Arshad

引用次数: 0

Genetic Variability, Heritability, Correlation and Path Coefficient Analysis for Grain Yield and Yield Component in Maize (Zea mays L.) Hybrids 玉米籽粒产量及其构成因素的遗传变异、遗传力、相关及通径分析混合动力车

Advances in Crop Science and Technology Pub Date : 2018-01-01 DOI: 10.4172/2329-8863.1000399

Nigus Belay

引用次数: 19

Evaluation of Liquid CO2 as a Pressurizing Agent for Effective and Long-Term Pesticide Sprays 液态CO2作为有效长效农药喷雾加压剂的评价

Advances in Crop Science and Technology Pub Date : 2018-01-01 DOI: 10.4172/2329-8863.1000408

Biwek Gairhe, Ramdas G. Kanissery

引用次数: 0

Effects of Fertilizer, Rhizobium Inoculation and Lime Rate on Growth and Yields Field Pea in Horro and Gedo Highlands 施肥、根瘤菌接种和施石灰量对霍罗和格多高原大田豌豆生长和产量的影响

Advances in Crop Science and Technology Pub Date : 2018-01-01 DOI: 10.4172/2329-8863.1000397

T. Abera, Z. Abebe

引用次数: 5

New Nano-Biopesticide Formulation of Mentha piperita L. (Lamiaceae) Essential Oil Against Stored Product Red Flour Beetle Tribolium castaneum Herbs and its Effect on Storage 薄荷精油对储存品红粉甲虫的纳米生物农药新配方及其对储存期的影响

Advances in Crop Science and Technology Pub Date : 2018-01-01 DOI: 10.4172/2329-8863.1000409

M. Adel, M. Massoud, Magdy I. E. Mohamed, Khaled H Abdel Rheim, S. E. Naby

引用次数: 6

Participatory Evaluation of Some Selected Forage Species in Afar Regional State, Ethiopia: In the Case of Koneba and Telalak Districts 埃塞俄比亚阿法尔州一些选定牧草品种的参与式评价:以Koneba和Telalak地区为例

Advances in Crop Science and Technology Pub Date : 2018-01-01 DOI: 10.4172/2329-8863.1000370

T. Belete, G. Kidane, Natenael Demelash

{"title":"Participatory Evaluation of Some Selected Forage Species in Afar Regional State, Ethiopia: In the Case of Koneba and Telalak Districts","authors":"T. Belete, G. Kidane, Natenael Demelash","doi":"10.4172/2329-8863.1000370","DOIUrl":"https://doi.org/10.4172/2329-8863.1000370","url":null,"abstract":"This experiment was conducted with the objective of evaluating the on-farm productivity of the selected improved forage species and assessing pastoralists’ perception on the selected forage species and assessing pastoralist criteria for selecting forage species as livestock feed. Accordingly, the biomass yield of Sudan grass (Sorghum sudanense) was significantly higher than all the grass species in both Koneba (8.24 t/ha) and Telalak (7.79 t/ha) districts followed by Chloris gayana. The number of tillers/plant for C. gayana were significantly higher than the other species in both Koneba (27.45 tillers/plant) and Telalak (20.41 tillers/plant). C. gayana and S. sudanese showed significantly higher vigor score than the other grass types. C. gayana (5.00), Panicum coloratum (4.75) and Panicum antidotale (4.25) showed significantly higher (0.05) plot cover sore. C. gayana, S. sudanense and P. antidotale were reached their 50% flowering stage earlier than the other grasses. According to the pastoralist perception C. gayana was selected first followed by P. antidotale for their palatability, early maturity, drought tolerance and regeneration capacity. C. gayana and P. antidotale showed higher vegetational and perceptional performance; therefore, these grasses should be tested in different areas and disseminated to the community by creating awareness about proper management system.","PeriodicalId":7255,"journal":{"name":"Advances in Crop Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74051630","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