Journal of Advances in Agriculture最新文献_第3页

Insects Associated with Cucumbers (Cucumis SativusL.) At Bamunka-Ndop(North West Region, Cameroon) 黄瓜类昆虫(Cucumis SativusL.)在Bamunka-Ndop(喀麦隆西北地区)

Journal of Advances in Agriculture Pub Date : 2020-09-10 DOI: 10.24297/jaa.v11i.8840

Esther Nadine Otiobo Atibita, C. Djiéto‐Lordon, F. T. Fohouo

{"title":"Insects Associated with Cucumbers (Cucumis SativusL.) At Bamunka-Ndop(North West Region, Cameroon)","authors":"Esther Nadine Otiobo Atibita, C. Djiéto‐Lordon, F. T. Fohouo","doi":"10.24297/jaa.v11i.8840","DOIUrl":"https://doi.org/10.24297/jaa.v11i.8840","url":null,"abstract":"Studies on insects associated with cucumbers (Cucumis sativus) in Bamunka-ndop (North-West, Cameroon) under field conditions were conducted in 2017 and 2018 from April to July. The insect species diversity, the relative abundance, the frequency of visits and guilds were recorded on the plant from 7 am to 6 pm in a 2 hours time slots. Insects were found on the stem, leaves and flowers of Cucumber. There were 10 insect species belonging to 4 Orders. Out of these, four species belonged to Hymenoptera (54.15%), whereas the Coleoptera (33.18%), the Orthoptera (7.83%) and the Diptera (4.84%) owned two species each. Formica sp. being the most represented insect (24.42%) followed by A. mellifera (21.66%). Nectarivorous, pollinivorous, stems and leaves feeders and flowers and leaves feeders were found on the crop. The peak of activities of all the insect species was situated between 10 am and 12pm even though the temperature and the relative humidity of the study site appear not to affect their activities on the plant. These studies therefore indicated that the insects associated to cucumber should be exploited to work on their activities on cucumber and enhancing yield and quality of the fruits.","PeriodicalId":14915,"journal":{"name":"Journal of Advances in Agriculture","volume":"75 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90433249","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

Efficacy of the Biopesticide NECO in the control of Ralstonia solancearum, causal agent of tomato bacterial wilt in Côte d’Ivoire 生物农药NECO对Côte科特迪瓦番茄青枯病病原菌番茄枯萎病的防治效果

Journal of Advances in Agriculture Pub Date : 2020-08-04 DOI: 10.24297/jaa.v11i.8813

N’guessan Aya Carine, Camara Brahima, Amari Ler-NOgn Dade Elisee, D. Mohamed, Pakora Gilles Alex, A. Kouabenan, Koné Daouda

引用次数: 0

Effect on Sorghum Yield in The Semi-Arid Counties of Lower Eastern Kenya's 对肯尼亚下东部半干旱地区高粱产量的影响

Journal of Advances in Agriculture Pub Date : 2020-07-03 DOI: 10.24297/jaa.v11i.8770

N. Nyandiko

{"title":"Effect on Sorghum Yield in The Semi-Arid Counties of Lower Eastern Kenya's","authors":"N. Nyandiko","doi":"10.24297/jaa.v11i.8770","DOIUrl":"https://doi.org/10.24297/jaa.v11i.8770","url":null,"abstract":"Sorghum is a key crop in Kenya's attainment of food and nutrition security. Climate is a key determinant of sorghum production under rainfed conditions. The overall objective of this study was to examine variations of sorghum yields in response to climate. This is crucial in documenting future strategic options to enhance food security in a changing climate. A longitudinal research design was used in the study. Purposive and cluster sampling techniques were used to select sorghum and climate data from lower eastern Kenya's districts covering the period 1979-2009. Association between sorghum crop yields and climate data were sought through correlation analysis, while variability in yields was determined through the coefficient of variation (CVs) and standard deviations (STDEV). There wide sorghum yield and climate variability with high CV values of up 60 % of rainfall. Kitui had the lowest variation in sorghum yields with a Standard deviation of 344.1 Kg/Ha (CV = 38.7 %) while Machakos had the highest variation with STDEV of 591.6 Kg/Ha (CV = 60.5 %). This information is useful to monitor and forecast future sorghum production under rain-fed agriculture. There is a need to continue with focused applied research to unleash sorghum's capacity to be the cornerstone of food security in Kenya.","PeriodicalId":14915,"journal":{"name":"Journal of Advances in Agriculture","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82383372","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

Impact of insect pollinators on yields of Glycine max L. (Fabaceae) at Yaoundé (Cameroon) Douniaa, Clautin Ningatoloumb, Chantal Doukaa, Elono Azang Pierre Stephana, Amada Brahimc, Joseph Lebel Tamessea, Fernand-Nestor Tchuenguem Fohouod

Journal of Advances in Agriculture Pub Date : 2020-06-22 DOI: 10.24297/jaa.v11i.8797

Dounia, Clautin Ningatoloum, Chantal Doukaa, Elono Azang Pierre Stephan, Amada Brahim, J. Tamesse, F. T. Fohouo

{"title":"Impact of insect pollinators on yields of Glycine max L. (Fabaceae) at Yaoundé (Cameroon) Douniaa, Clautin Ningatoloumb, Chantal Doukaa, Elono Azang Pierre Stephana, Amada Brahimc, Joseph Lebel Tamessea, Fernand-Nestor Tchuenguem Fohouod","authors":"Dounia, Clautin Ningatoloum, Chantal Doukaa, Elono Azang Pierre Stephan, Amada Brahim, J. Tamesse, F. T. Fohouo","doi":"10.24297/jaa.v11i.8797","DOIUrl":"https://doi.org/10.24297/jaa.v11i.8797","url":null,"abstract":"To appreciate the impact of insect pollinators on the pod, seeds, and seed weight yields of Glycine max, the pollinating activities of flowering insects were studied in Yaoundé, during the two mild, rainy seasons in 2016 and 2017 (March-June). Observations were made on 45 to 20400 flowers per treatment. The flowers were subjected to different treatments: Free flowers (Treatment 1), bagged flowers (treatment 2), castrated and free flowers (treatment 3), and castrated and bagged flowers (treatment 4). Some (8695 and 3325) flowers of Glycine max (Fabaceae) were observed in 2016 and 2017, respectively, for the diversity and Frequency of insect visits. For results, 1527 visits of 13 insect species distributed in seven orders were recorded on G. max flowers. The most dominating Hymenoptera observed was Apis mellifera, with 40.20 % of the total insect visits. The highest number of insect pollinators harvested in the flowers of this Fabaceae was between 8h-9h. The studied insects have a positive impact on the yields of this plant. This positive impact of the pollinator insects on the yields was 26.29 %, 16.13 %, 15.02 and 4.45 % in fructification rate, number of seeds pod, the weight of seeds, and percentage of normal seeds respectively. The avoidance of pesticide treatment of plants during flowering could be a good management strategy to improve on plant yield.","PeriodicalId":14915,"journal":{"name":"Journal of Advances in Agriculture","volume":"51 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80762615","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

A Rapid Diagnostic Grading System for Cucumber Downy Mildew Based on Visible Light - Hyperspectral Imaging System 基于可见光-高光谱成像系统的黄瓜霜霉病快速诊断分级系统

Journal of Advances in Agriculture Pub Date : 2020-06-15 DOI: 10.24297/jaa.v11i.8779

Yao Chunyang, Zhang Xiaodong, Mao Hanping, Gao Hongyan, Lin Qinglin

{"title":"A Rapid Diagnostic Grading System for Cucumber Downy Mildew Based on Visible Light - Hyperspectral Imaging System","authors":"Yao Chunyang, Zhang Xiaodong, Mao Hanping, Gao Hongyan, Lin Qinglin","doi":"10.24297/jaa.v11i.8779","DOIUrl":"https://doi.org/10.24297/jaa.v11i.8779","url":null,"abstract":"Downy mildew, a kind of cucumber disease with a high spread rate and harmfulness that is more common in the world, has a great influence on the yield of cucumbers. The rapid identification of its symptoms and the rapid classification of the post-disease characters are of great significance to the rapid diagnosis of cucumber frost mold and the proper treatment of medicine after the disease. In order to quickly and accurately classify the occurrence and the degree of cucumber downy mildew, a rapid diagnosis and classification method of cucumber downy mildew based on visible light - high spectral imaging technology was proposed in this paper. In addition, the stepwise regression method and PCA were used to reduce and extract the feature information of sensitive bands. Two kinds of acquired feature information are used as the input of the model to construct the disease degree classification detection model of the SVM classification model. The model based on the stepwise regression method is used to classify and identify downy mildew and normal leaves. In this model, the accuracy of the Sigmoid kernel function classification test is the highest, reaching 95.00%, and the recognition rate of different degrees of cucumber downy mildew disease leaves as high as 93.88, which has a high classification detection accuracy. The results show that the rapid diagnosis and classification of cucumber downy mildew can be realized by using the visible light spectral imaging system combined with the automatic classification model of SVM, which provides a new method and reference for solving the problem of cucumber downy mildew in time.","PeriodicalId":14915,"journal":{"name":"Journal of Advances in Agriculture","volume":"81 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83898086","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

Southern Sandbur (Cenchrus echinatus L.) Control in Bermudagrass Pastures with Indaziflam Herbicide Systems 南沙伯(Cenchrus echinatus L.)吲哚吡喃除草剂系统对百慕大草牧场的防治作用

Journal of Advances in Agriculture Pub Date : 2020-05-11 DOI: 10.24297/JAA.V11I.8738

Scott A. Nolte, J. Jackson, Joshua McGinty, Zachary P. Howard, W. Grichar

{"title":"Southern Sandbur (Cenchrus echinatus L.) Control in Bermudagrass Pastures with Indaziflam Herbicide Systems","authors":"Scott A. Nolte, J. Jackson, Joshua McGinty, Zachary P. Howard, W. Grichar","doi":"10.24297/JAA.V11I.8738","DOIUrl":"https://doi.org/10.24297/JAA.V11I.8738","url":null,"abstract":"Field studies were conducted during 2019 growing season in north-central, south-central, and the Coastal Bend areas of Texas to evaluate indaziflam herbicide systems for southern sandbur control and Coastal bermudagrass tolerance. Indaziflam caused no bermudagrass stunting at any location when applied preemergence (PRE) at 0.04 to 0.07 kg ai ha-1. Glyphosate at 0.35 kg ae ha-1 caused bermudagrass stunting which ranged from 16 to 65% when evaluated 3 to 5 weeks after application; however, when evaluated at the end of the growing season, no bermudagrass stunting was evident when compared with the untreated check. Southern sandbur control with indaziflam, when evaluated 28 to 32 weeks after the initial indaziflam PRE application, ranged from 85 to 99% in north-central Texas, 65 to 95% in south-central Texas, and 95 to 100% in the Coastal Bend region. Southern sandbur control with pendimethalin PRE system ranged from 74 to 100%, 11 to 85%, and 100% in those regions, respectively. Indaziflam represents a safe option for forage and hay producers in Texas to control southern sandbur.","PeriodicalId":14915,"journal":{"name":"Journal of Advances in Agriculture","volume":"6 1","pages":"89-98"},"PeriodicalIF":0.0,"publicationDate":"2020-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83913663","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

Innovative Design of Intelligent Detection Equipment for Growth Information of Facilityhorticultural Crops 设施园艺作物生长信息智能检测设备的创新设计

Journal of Advances in Agriculture Pub Date : 2020-05-01 DOI: 10.24297/jaa.v11i.8737

Y. Ruan, Zhang Xiaodong, Mao Hanping, H. Gao, Xin Zhang, Qinlin Li

{"title":"Innovative Design of Intelligent Detection Equipment for Growth Information of Facilityhorticultural Crops","authors":"Y. Ruan, Zhang Xiaodong, Mao Hanping, H. Gao, Xin Zhang, Qinlin Li","doi":"10.24297/jaa.v11i.8737","DOIUrl":"https://doi.org/10.24297/jaa.v11i.8737","url":null,"abstract":"Intelligent equipment technology for facility horticulture is an urgent need for the development of modern facility agriculture.The intelligent monitoring equipment for greenhouse crop growth information can comprehensively monitor the nutrition, growth and environmental information of crops, and provide a scientific basis for the optimal regulation and control of water, fertilizer and environment in the greenhouse. It is a key equipment for the intelligentization of facility horticulture. This research aims at different growth stages In accordance with the testing needs of different plant-shaped crops and the operational needs of the unstructured environment in the greenhouse, we developed wheeled and tracked crop growth and environmental information monitoring systems that can autonomously cruise in the greenhouse;at the same time, in order to meet the detection needs of large-plant crops, a cantilever type crop information monitoring system has also been developed. This system suspends the multi-sensor detection system through the gimbal and installs it on the orbit track laid on the greenhouse truss. Because the detection position is high, it is realized the cruise monitor of greenhouse plants such as cucumber and tomato. In order to achieve comprehensive detection of crop growth information, a multi-sensor detection system for horticultural crop information has been developed. It uses visible-near-infrared binocular multi-spectral cameras, infrared detection sensors, laser ranging sensors, ambient temperature and humidity and light sensors. through the multiple sensor information fusion, implements the facilities horticulture crops nutrition, growth and the comprehensive monitoring of environmental information. Good application effect has been achieved.","PeriodicalId":14915,"journal":{"name":"Journal of Advances in Agriculture","volume":"PP 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84861452","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

Allelopathic Effect of Chrysanthemum Procumentens on the Seed Germination and Seedling Growth of Beans Phaseolus Vulgaris 菊花提取物对菜豆种子萌发和幼苗生长的化感作用

Journal of Advances in Agriculture Pub Date : 2020-04-19 DOI: 10.24297/jaa.v11i.8702

K. Akinwunmi, Esther Odunsi, C. Amadi

引用次数: 0

Use of the Premix of Atrazine, Bicyclopyrone, S-Metolachlor, and Mesotrione for Weed Control in Corn (Zea mays L.) 阿特拉津、双环吡酮、s -甲草胺和中氯三酮预混剂在玉米杂草防治中的应用

Journal of Advances in Agriculture Pub Date : 2020-04-19 DOI: 10.24297/jaa.v11i.8704

W. Grichar, Scott A. Nolte, M. E. Matocha, P. A. Baumann, J. Bell

{"title":"Use of the Premix of Atrazine, Bicyclopyrone, S-Metolachlor, and Mesotrione for Weed Control in Corn (Zea mays L.)","authors":"W. Grichar, Scott A. Nolte, M. E. Matocha, P. A. Baumann, J. Bell","doi":"10.24297/jaa.v11i.8704","DOIUrl":"https://doi.org/10.24297/jaa.v11i.8704","url":null,"abstract":"Field studies were conducted under conventional tillage from 2014 through the 2018 growing seasons in central, south-central, and the Panhandle regions of Texas to determine corn tolerance and weed efficacy of the four-way premix of atrazine plus bicyclopyrone plus mesotrione plus S-metolachlor (hereafter referred to as ABMS). No corn injury was noted at any location with any ABMS dose or application timing. Preemergence (PRE) applications of ABMS at 2.41 kg ha-1 controlled Palmer amaranth (Amaranthus palmeri S. Wats.) 73 to 100% while smellmelon (Cucumis melo L.) control was 100%. Annual sunflower (Helianthus annuus L.) control with ABMS at 2.41 kg ha-1 was 86% while a split application applied PRE followed by a postemergence (POST) application provided 99% control. Texas millet (Urochloa texana Buckl.) control with ABMS applied PRE ranged from 12 to 35% while broadleaf signalgrass (Brachiaria platyphylla [Griseb.] Nash) control was 100%. Browntop panicum [Urochloa fasciculate (Sw.) R. Webster] control with a PRE application of ABMS at 2.41 kg ai ha-1 was < 82% while jungle rice [Echinochloa colona (L.) Link] control was 98%. Control of a kochia (Kochia scoparia L.) with PRE applications of ABMS at 2.41 kg ha-1 was 95% while the split rate of 1.2 kg ha-1 applied PRE and POST provided 99% control. Corn yields were variable but in most instances all herbicide treatments improved yield over the untreated check. Excellent control of broadleaf weeds was observed with ABMS; however, annual grass control can be variable, especially with large-seeded annual grasses such as Texas millet.","PeriodicalId":14915,"journal":{"name":"Journal of Advances in Agriculture","volume":"220 1","pages":"55-70"},"PeriodicalIF":0.0,"publicationDate":"2020-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79863404","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

Antibacterial Activity of the Original Dietary Supplement Oxidal® in Vitro 原膳食补充剂氧化®的体外抗菌活性

Journal of Advances in Agriculture Pub Date : 2020-04-19 DOI: 10.24297/jaa.v11i.8716

T. Popova

{"title":"Antibacterial Activity of the Original Dietary Supplement Oxidal® in Vitro","authors":"T. Popova","doi":"10.24297/jaa.v11i.8716","DOIUrl":"https://doi.org/10.24297/jaa.v11i.8716","url":null,"abstract":"Studies have been conducted to determine the antibacterial effect of Oxidal® and anolyte against Staphylococcus aureus and Escherichia coli. The bacterial strains tested showed high sensitivity to the dietary supplement Oxidal® and to anolyte, as well as to the control antibiotic Thiamphenicol. The mean MPC50 values of Oxidal® for Gram-positive bacteria S. aureus (0.21 ± 0.13 mg/ml) were lower than those for Gram-negative E. coli (0.55 ± 0.24 mg/ml). The dose that fully suppressed S. aureus growth was 0.86 ± 0.52 mg/ml, while for E. coli this dose was significantly higher - 2.40 ± 0.80 mg/ml (P<0.05). For the antibiotic Thiamphenicol, the results were opposite - the mean MPC50 values for E. coli (2.40 ± 0.80) were lower than those for S. aureus (3.71 ± 2.86). Under the influence of 10% Oxidal® solution, the amount of viable S. aureus and E. coli decreased by more than 30% over the untreated control after 20 min. After 45 minutes, only 37% of S. aureus cells and 19% of E. coli cells developed upon cultivation, and after 90 minutes of exposure, about 20% of the cells of the microorganisms understudy of both species remained viable. The fresh anolyte and the one stored for 1 year inactivated S. aureus and E. coli for 2 min in a suspension at a density of 106 cells/ml.","PeriodicalId":14915,"journal":{"name":"Journal of Advances in Agriculture","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90311821","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: 5