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Ex-ante and Ex-post Evaluation of Advanced Production System Module in Saffron (Crocus sativus) in India using Consumer Surplus Model and Propensity Score Matching 基于消费者剩余模型和倾向得分匹配的印度藏红花先进生产系统模块前后评价
Q4 Agricultural and Biological Sciences Pub Date : 2021-11-04 DOI: 10.37077/25200860.2021.34.2.10
M. H. Wani, Arshad Bhat, S. H. Baba
A very important breakthrough in saffron cultivation and production was achieved by Sher-e- Kashmir University of Agricultural Sciences and Technology of Kashmir (SKUAST-K) when the university developed a production system module in saffron which brought substantial increase in productivity of saffron during last two decades. The adoption of the technology was observed to have a very significant impact on the social dynamics of the saffron producing region demanding its ex-ante and ex-post evaluation vis a vis non adopters of the technology. With this in mind consumer surplus model and propensity score matching methods were employed on a sample of 447 respondents of which 286 were adopters and 161 non-adopters (control group) drawn from a population of 753 saffron growers in the saffron belt of Jammu and Kashmir producing 99% of the total saffron production in the country. The results revealed that average productivity of the spice increased from 2.57 kg.ha-1 to 6.05 kg.ha-1, with 1-2 kg.ha-1 in the first year to 10-12 kg.ha-1 in fourth year against control group, however, the investment cost estimates recorded increase of 5.9% under ex-ante and 13.6% under ex-post evaluation while adopting new technology, which however, got compensated through realizing higher productivity and increased employment to the tune of 40.6 and 28.3 per cent  man-days/ha respectively under ex-ante and ex-post  evaluation. The results further revealed, NPV, BCR, IRR of Rs. 399 crores, 110, 154% against Rs.249 crores, 69, 134% respectively under ex-ante and ex-post evaluation of the technology.
克什米尔农业科技大学(SKUAST-K)在藏红花种植和生产方面取得了非常重要的突破,该大学开发了一种藏红花生产系统模块,在过去的二十年里,藏红花的产量大幅提高。据观察,该技术的采用对藏红花产地的社会动态产生了非常重大的影响,要求对未采用该技术的人进行事前和事后评价。考虑到这一点,消费者剩余模型和倾向得分匹配方法被用于447名受访者的样本,其中286人是采用者,161人是非采用者(对照组),来自查谟和克什米尔藏红花带的753名藏红花种植者,藏红花产量占全国藏红花总产量的99%。结果显示,香料的平均产量从2.57公斤增加。Ha-1至6.05千克。Ha-1, 1-2千克。Ha-1第一年要10-12公斤。然而,在采用新技术的第四年,与对照组相比,投资成本估算在事前和事后评价下分别增加了5.9%和13.6%,但在事前和事后评价下,通过实现更高的生产率和增加就业,分别获得了40.6%和28.3%的工日/公顷的补偿。结果进一步显示,在该技术的事前和事后评估下,NPV、BCR和IRR分别为3.99亿卢比、11.154%和24.9亿卢比、69.134%。
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引用次数: 0
Study of the Antioxidant Activity of Cactus (Opuntia dellienii) Fruits (Pulp and Peels) and Characterisation of their Bioactive Compounds by GC-MS 仙人掌(Opuntia dellienii)果实(果肉和果皮)抗氧化活性及其活性物质的GC-MS表征
Q4 Agricultural and Biological Sciences Pub Date : 2021-11-04 DOI: 10.37077/25200860.2021.34.2.16
A. J. A. Alsaad, L. S. Mohammed
The present study aims to identify and characterize the chemical compounds present in the extracts of cactus pear Opuntia dillenii (OD) fruit which grow in southern Iraq and offer different health benefits. The physicochemical properties of the fruit juices (pulp and peels) were investigated. Fruit pulp and peel extracts carried the symbols: hexane pulp extract (HPuE), hexane peel extract (HPeE), ethanolic pulp extract (EPuE), and ethanolic peels extract (EPeE). The activel compound screened by gas chromatography-mass spectrometry (GC-MS). HPuE and HPeE contained 40 bioactive compounds and 60 bioactive compounds were detected in EPuE and EPeE. The scavenging activity of DPPH free radicals records a high level of inhibition ranging from 34.8 to 90.3% for EPeE and from 32.9 to 89.9% for EPuE, while hexane extracts scavenging activities (HPeE and HPuE) were 24.9-78.9% and 20.7-73.3% respectively at concentrations of 20 – 80 µg.ml-1 this activity has received considerable attention because of their physiological functions
本研究旨在鉴定和表征仙人掌梨(OD)果实提取物中存在的化合物,该果实生长在伊拉克南部,并提供不同的健康益处。对果汁(果肉和果皮)的理化性质进行了研究。果肉和果皮提取物的代号为:己烷果肉提取物(HPuE)、己烷果皮提取物(HPeE)、乙醇果肉提取物(EPuE)和乙醇果皮提取物(EPeE)。采用气相色谱-质谱联用技术对活性化合物进行了筛选。HPuE和HPeE中含有40种生物活性化合物,EPuE和EPeE中检测到60种生物活性化合物。正己烷提取物对DPPH自由基的清除率在20 ~ 80µg浓度下分别为34.8% ~ 90.3%和32.9 ~ 89.9%,而正己烷提取物对HPeE和HPuE的清除率分别为24.9% ~ 78.9%和20.7% ~ 73.3%。Ml-1的这种活性由于其生理功能而受到相当的关注
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引用次数: 0
Economic Study of the Comparative Advantage and Competitiveness of Small Holdings for Fattening Cows Calves in Nineveh Governorate for the Year 2018 2018年尼尼微省育肥犊牛小农场比较优势和竞争力的经济学研究
Q4 Agricultural and Biological Sciences Pub Date : 2021-11-04 DOI: 10.37077/25200860.2021.34.2.17
A. M. Abdullah, G. G. Farhan, R. M. Abdullah
The study aims to measure the comparative and competitive advantage of red meat production in the Kokjali region of Nineveh through some measures derived from the policy analysis matrix. The study relied on the primary data collected through the questionnaire form for a random sample of (100) fields included (5610) imported calves in the Kokjali district of Nineveh Governorate for the production year 2018. The sample was distributed into three categories according to the number of calves. The sample was divided into three categories, according to the number of calves, the first category of fields contains 25-49 calves and their number reached 35 fields, and the second category represents fields that contain 50-74 Calf has reached 48 fields, and the third category represents the fields that contain 75 calves or more and reached 17 fields. The results of the study indicated that the measures of protection and indicators of comparative advantage showed that there is no government support to protect red meat production in the domestic market for the year 2018 and this is clear from the nominal protection coefficient of the outputs 0.263. The same is the case with the nominal protection coefficient of inputs 1.212, as the results of the study showed that there is no government support. In addition, the measure of the special costs ratio indicated that the red meat product system has international competitiveness 0.004. Finally, the value of the local resource cost factor 0.131 indicated that the Kokceli area has a comparative and competitive advantage for the production of red meat, as the coefficient appeared to be less than the correct one.
本研究旨在通过从政策分析矩阵中导出的一些措施来衡量尼尼微Kokjali地区红肉生产的比较和竞争优势。该研究依赖于通过问卷调查表格收集的原始数据,随机抽样了尼尼微省Kokjali地区2018年生产年度的(100)块田,包括(5610)头进口小牛。根据犊牛的数量将样本分为三类。将样本分为三类,根据小牛的数量,第一类字段包含25-49头小牛,数量达到35头;第二类字段包含50-74头小牛,数量达到48头;第三类字段包含75头及以上,数量达到17头。研究结果表明,保护措施和比较优势指标表明,2018年国内市场上没有政府支持保护红肉生产,这从产出的名义保护系数0.263可以清楚地看出。同样的情况下,名义保护系数为1.212,研究结果表明,没有政府支持。此外,特殊成本比率的测量表明,红肉产品体系具有0.004的国际竞争力。最后,当地资源成本系数为0.131,表明Kokceli地区在红肉生产方面具有比较和竞争优势,因为该系数似乎小于正确的系数。
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引用次数: 0
The effect of a Forest Biomass Supplement on Morphophysiological Parameters of Calves 森林生物量补充对犊牛形态生理参数的影响
Q4 Agricultural and Biological Sciences Pub Date : 2021-11-04 DOI: 10.37077/25200860.2021.34.2.14
V. Zaitsev, Ivan N. Mayorov, L. M. Zaitseva, V. P. Korotky, V. A. Ryzhov, N. Buryakov
Breeding, preserving, and successfully rearing young animals resistant to various environmental influences is one of the main parameters of effective livestock management. The study aimed to study the indicators of natural resistance and the growth rate of calves under the influence of dietary supplements. The studies were carried out on four groups of black-and-white calves, 10 heads each, at the age of 2-5 months. The dairy calves of the control group were fed according to the ration adopted on the farm (basic ration, including cereal-legume hay, whole milk, milk replacer, concentrates, chalk, salt). In addition to the main diet, the animals of the experimental groups were given a dietary supplement. At 2-3, 3-4, and 4-5, months of age, calves were given 12-23, 19-38, and 23-47  g.head-1 of dietary supplement per day, respectively. The article deals with the effect of a forest biomass supplement on the morphophysiological parameters of calves. Biochemical blood analysis and the features of metabolic processes in the bodies of animals are studied. The results indicated that the use of a dietary supplement at a dosage of 30 g/head of cattle per day contributes to the highest increase (9.9%) in live weight gain of experimental animals and an improvement in natural resistance parameters (bactericidal activity of blood serum, phagocytic activity of neutrophils). Based on the data of biochemical and haematological blood tests, the authors conclude that the inclusion of a dietary supplement in the diet of calves has a positive effect on the indices of natural resistance and the course of nitrogen metabolism.
繁殖、保存和成功饲养能抵抗各种环境影响的幼畜是有效牲畜管理的主要参数之一。本试验旨在研究饲粮添加物对犊牛自然抗性指标及生长速率的影响。研究对象是4组2-5个月大的黑白犊牛,每组10头。对照组犊牛按牧场饲粮饲喂(基础饲粮:谷物-豆科干草、全脂牛奶、代乳剂、精料、白垩、盐)。在饲喂主饲粮的基础上,各试验组分别饲喂膳食补充剂。在2-3、3-4和4-5月龄时,犊牛每天分别添加12-23、19-38和23-47 g.head-1的饲粮。本文研究了森林生物量补充对犊牛形态生理参数的影响。研究了血液生化分析和动物体内代谢过程的特点。结果表明,饲粮中添加30 g/头/天的试验动物增重最高(9.9%),血清杀菌活性、嗜中性粒细胞吞噬活性等自然抗性指标均有改善。根据犊牛血液生化和血液学试验数据,认为在犊牛日粮中添加一种饲料添加剂对犊牛自然抵抗力指标和氮代谢过程有积极影响。
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引用次数: 0
A Suggested Model for Organizing the Relationships among Agricultural Extension, Research and Educational Institutions in The Sulaymani Governorate 组织苏莱曼尼省农业推广、研究和教育机构关系的建议模式
Q4 Agricultural and Biological Sciences Pub Date : 2021-11-04 DOI: 10.37077/25200860.2021.34.2.13
T. Hasan
This research aimed at a proposal to regulate the relationships among extension, research and educational agricultural institutions in Sulaymani Governorate, by diagnosing the personal variables of the respondents, and identifying the reality of organizing relationships between these institutions, leading to preparing a proposed model for organizing relations between them. The research population included the agricultural organizations represented by (Agricultural Extension Directorate, Agricultural Research Directorate, Agricultural Colleges and Institutes), and a proportional stratified random Sample of 15% was chosen from all organizations, the total of the instructor sample is 85 respondents. The proposed model was prepared according to the following procedures: literature and forms, expert observations, review of research and articles, conducting field visits, documents and records. 3 fields, 12 elements and 168 paragraphs were developed, all of which formed the initial formula of the model. The model was presented in its initial form to a group of experts in the field of agricultural extension and management, and after taking their observations into account; the model now includes 3 fields, 12 elements and 148 paragraphs. The research found that there is no process of organizing the relationships between the studied institutions, and showed that all respondents agreed on the paragraphs of the proposed model. And recommends its application in real agricultural work in Sulaymani province.
本研究旨在通过诊断受访者的个人变量,并确定这些机构之间组织关系的现实,提出规范苏莱曼尼省推广、研究和教育农业机构之间关系的建议,从而准备一个拟议的组织机构之间关系的模型。研究对象包括以农业推广局、农业研究局、农业院校和研究机构为代表的农业组织,并从所有组织中抽取15%的比例分层随机样本,讲师样本总数为85人。拟议的模式是按照下列程序编写的:文献和表格、专家意见、审查研究和文章、进行实地访问、文件和记录。开发了3个字段,12个元素,168个段落,形成了模型的初始公式。在考虑了农业推广和管理领域的一组专家的意见后,以最初的形式向他们提出了该模型;该模型现在包括3个字段、12个元素和148个段落。研究发现,没有组织所研究机构之间关系的过程,并表明所有受访者都同意所提出模型的段落。并推荐其在苏莱曼尼省实际农业工作中的应用。
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引用次数: 0
Genetic Variation Among Certain Fish Species in Terms of Evolution and Lineages 某些鱼类在进化和谱系方面的遗传变异
Q4 Agricultural and Biological Sciences Pub Date : 2021-11-04 DOI: 10.37077/25200860.2021.34.2.12
H. Saud, I. Alshami
Three tests of phylogenetic including likelihood-joining tree, neighbour-joining tree, and minimum evolution tree have been used based on sox3 gene. Phylogenetic analysis was used to detect the genetic affinity and common ancestors for selected species that belong to the same or different families. This study showed the most appropriate methods for testing the genetic affinity among species and the methodology of each test according to the requirement of molecular applications. Secondary RNA predicted structure and minimum free energy were also included in this study because of their contribution to the detection of the orthologous gene and variance in RNA folding among species related to the different families. The genetic distance in the studied populations was calculated to know the most appropriate way to find out the genetic similarity among the studied species. The low distance-variance value of each group indicated significant genetic affinity among the species of the same family, this result is more consistent with the test of maximum-likelihood tree indicating the validity of this test to measure the genetic affinity among species that have common ancestors.
基于sox3基因,采用了似然连接树、邻居连接树和最小进化树三种系统发育检验方法。采用系统发育分析方法对不同科或同一科的物种进行遗传亲和和共同祖先分析。根据分子应用的要求,提出了最适宜的种间遗传亲和度检测方法和各检测方法。次级RNA预测结构和最小自由能也被纳入本研究,因为它们有助于检测同源基因和不同科相关物种之间RNA折叠的差异。通过计算研究种群间的遗传距离,找出最合适的方法来确定研究物种间的遗传相似性。各组间的距离方差值均较低,表明同一科物种间的遗传亲和性显著,这一结果与最大似然树检验更为一致,表明该检验对具有共同祖先的物种间遗传亲和性的测量是有效的。
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引用次数: 0
Relationship of some metabolic Hormones with Increased Live Body Weight of Male and Female of Karakul and Awassi Lambs 部分代谢激素与卡拉库尔和阿瓦西羔羊公、母活重增加的关系
Q4 Agricultural and Biological Sciences Pub Date : 2021-11-03 DOI: 10.37077/25200860.2021.34.2.09
T. R. Aljubouri, Firas M. Al-Khafaji, &. M. B. S. Al-Shuhaib
This study was conducted in the animal field of the Al-Kafeel Company from November 2019 till May 2020 to investigate the possible association between growth hormone (GH) and thyroxine (T4) with the growth traits in Awassi and Karakul sheep. The total number of animals which used in the study was 60 lambs, 28 (13 males and 15 females) from Karakul and 32 (18 males and 14 females) from Awassi. Blood samples were collected at birth, weaning, and six months of age, and both GH and T4 concentrations were measured. Results showed higher values of T4 for Karakul as compared with Awassi at birth and weaning. Karakul breed was also exhibited significantly higher values of GH over Awassi breed only at weaning, while, no significant differences were observed at birth and six months of age. Karakul lambs showed higher weights as compared with Awassi lambs at all studied periods. A highly significant (p < 0.01) positive correlation was observed between T4 concentration and the weight of lambs at most studied periods. Whereas, GH did not exhibit any correlation with growth traits measured in both breeds. The elevated T4 might be one of the reasons for superiority of Karakul over Awassi breed in live body weights. This high correlation between T4 and growth traits could be used in the early selection of lambs to improve the weights of sheep at marketing.
本研究于2019年11月至2020年5月在Al-Kafeel公司的动物场进行,旨在研究生长激素(GH)和甲状腺素(T4)与阿瓦西羊和卡拉库尔羊生长性状之间的可能关联。研究中使用的动物总数为60只羔羊,其中28只(13只公羊羔和15只母羊羔)来自卡拉库尔,32只(18只公羊羔和14只母羊羔)来自阿瓦西。在出生、断奶和6个月大时采集血液样本,并测量GH和T4浓度。结果显示,卡拉库尔在出生和断奶时的T4值高于阿瓦西。卡拉库尔品种的生长激素仅在断奶时显著高于阿瓦西品种,而在出生和6月龄时无显著差异。在所有研究时期,卡拉库尔羔羊的体重均高于阿瓦西羔羊。在大部分试验期,T4浓度与羔羊体重呈极显著(p < 0.01)正相关。然而,生长激素与两个品种的生长性状没有任何相关性。升高的T4可能是卡拉库尔在活重上优于阿瓦西品种的原因之一。T4与生长性状之间的高相关性可用于羔羊的早期选择,以提高羔羊的市场重量。
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引用次数: 3
Effect of Plant Growth Regulators and Explant Source on the Induction of Callus of Dianthus caryophyllus L. 植物生长调节剂和外植体来源对石竹愈伤组织诱导的影响。
Q4 Agricultural and Biological Sciences Pub Date : 2021-11-02 DOI: 10.37077/25200860.2021.34.2.08
Huda E. Mahood
In order to investigate the possibility for in in vitro fast regeneration of Dianthus caryophyllus, different concentrations of Kinetin (Kin), 2,4-Dichlorophenoxy Acetic Acid (2,4-D) had been tested for induction of callus by leaves and stems explant using Murashige and Skoog (MS) medium. After two months in culture, response callus in the induction rate, fresh and dry weight, texture and color were evaluated.  MS medium that contained 4.5 mg.L-1 2, 4-D was suitable for callus induction with leaf explants. The combination of 0.4 mg.L-1 Kin and 2.0 mg.L-1 2, 4-D also demonstrated a wonderful induction of callus on stem explants. In addition to the culture medium complemented by Kin and 2, 4-D, the influence of Zeatin at various concentrations (0.0, 0.4, 0.8 or 1.0 mg.L-1) was assessed.  In MS medium that  contained  0.4 mg.L-1 Kin+ 2.0 mg.L-1 2,4-D+ 1.0 mg.L-1 Zeatin, rapid callus induction and also more callus proliferation from stem explants were detected. Results indicate on callus induction that, Zeatin was more successful than Kin or 2, 4-D, but other combinations directly developed a shoot. Callus obtained from stems explant was friable, white and yellow, while callus from leaf explants was green.
为了探讨石竹体外快速再生的可能性,在Murashige和Skoog (MS)培养基上,采用不同浓度的Kinetin (Kin)和2,4-二氯苯氧乙酸(2,4- d)对石竹叶片和茎外植体诱导愈伤组织进行了试验。培养2个月后,对愈伤组织的诱导率、鲜重、干重、质地和颜色进行评价。MS培养基,含4.5 mg。L-1 2,4 - d适宜于叶片外植体诱导愈伤组织。0.4毫克的组合。L-1 Kin和2.0 mg。l - 1,2,4 - d在茎外植体上也表现出良好的愈伤组织诱导作用。除了添加Kin和2,4 - d的培养基外,还评估了不同浓度(0.0、0.4、0.8或1.0 mg.L-1)的玉米素的影响。在含有0.4 mg的MS培养基中。L-1 Kin+ 2.0 mg。L-1 2,4- d + 1.0 mg。L-1玉米蛋白、愈伤组织诱导速度快、愈伤组织增殖快。结果表明,在愈伤组织诱导方面,Zeatin的诱导效果优于Kin和2,4 - d,其他组合直接诱导出芽。茎外植体愈伤组织呈白色和黄色,而叶外植体愈伤组织呈绿色。
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引用次数: 0
Effect of Hammer Shape and Impact Area on Hammer Mill Performance under Different Feed Rates 不同进给量下锤形和冲击面积对锤式磨机性能的影响
Q4 Agricultural and Biological Sciences Pub Date : 2021-11-02 DOI: 10.37077/25200860.2021.34.2.07
Assad Y. Khudher, S. Almaliki, M. S. Himoud
The research aims to compare the performance (PC) and specific energy consumption (Spc.) of the hammer mill when using the T-hammer against the (traditional) rectangular hammer. A homemade mill with four hammers was used in experiment. 36 treatments: 2 hammer shape x 3 impact area (840, 720 and 960 mm2) x 2 feeding rates (1500 and 3000 g min-1) x 3 replicates, with completely random design. The results showed that there was no significant effect of hammer shape on PC at the feed rate of 3000 g min-1, while there was an effect at the rate of 1500 g min-1. An effect was also found for the impact area on the PC at both feeding rates and on Spc., as an inverse relationship appeared between the impact area and mill productivity at the feed rate 1500 g min-1. The area of 720 mm2 surpassed the area 480 and 960 mm2 at the rate of feeding 3000 g min-1, as it recorded 1215.65 g min-1 compared to 950.65 and 882.65 g min-1, respectively. There is effect of feeding rate on PC and Spc. The traditional hammer is recommended for simplicity of design, manufacture and performance at high feed rates compared to the T-shaped hammer. 
该研究旨在比较锤式磨机在使用t型锤和(传统)矩形锤时的性能(PC)和比能耗(Spc)。用自制的四锤磨机进行了试验。36个处理:2个锤形× 3个冲击面积(840、720和960 mm2) × 2个投喂率(1500和3000 g min-1) × 3个完全随机设计的重复。结果表明,锤头形状对PC的影响在3000 g min-1时不显著,而在1500 g min-1时有影响。还发现了在进料速率和Spc下对PC的影响面积。,当进给量为1500 g min-1时,冲击面积与磨机生产率呈反比关系。以投喂3000 g min-1的速度,720 mm2的面积超过480和960 mm2,分别为1215.65 g min-1,而950.65和882.65 g min-1。喂料速率对PC和Spc有影响。与t形锤相比,传统锤在高进给速率下的设计、制造和性能简单,因此推荐使用传统锤。
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引用次数: 0
Preparation and Characterization of Oil Nanoemulsion Formulations of Beauveria bassiana (Bals.-Criv.) 球孢白僵菌油纳米乳液的制备及表征
Q4 Agricultural and Biological Sciences Pub Date : 2021-11-02 DOI: 10.37077/25200860.2021.34.2.06
A. Z. A. Alhilfi, W. A. Swadi, A. M. Ahmed
This study aims to prepper stable thermodynamically dilutable nanoemulsion formulation of Beauveria bassiana with the lowest surfactant concentration that could improve its solubility stability. Formulations were prepared from oil in the water nanoemulsion region of phase diagrams subjected to thermodynamic stability tests. We found propanetriol was the highest germination rate at 5% and 10% concentration, 46.66 and 53.33%, respectively. Castor oil achieved a 43.00 germination rate at 1%. Tween 80 gave 54.33 % germination rate at 10%. While Tween 20 showed a 48 % germination rate at 5%. At the concentration, 1% Term 1284 gave 43.33% rate germination. Nanoemulsion composed of propanetriol and nonionic surfactants, with a mean particle size ranging from 25.08 to 75.35 nm, was formulated for various concentrations of the oils and surfactants. Water in oil emulsion was prepared using propanetriol oil, Tween 20, Tween 80, Term 1284, and water. Nanoemulsion of 25.08, 33.75, and 75.35 nm size was obtained at a 45: 15 % ratio of oil and surfactant, and it was found to be stable. The larger droplet size 75.35 nm of formulation Tween 20 and the smaller size was 25.08 nm in the formulation of Term 1284. The higher viscosity value was 16 mPas of formulation Tween 80, and the lowest value was 7.80 in the formulation of Term 1284. To demonstrate the possible employment of these systems, they were used to formulate a nanoformulation pesticide.
本研究旨在以最低的表面活性剂浓度制备稳定的热稀释球孢白僵菌纳米乳液,以提高其溶解度稳定性。在相图的水纳米乳区以油为原料制备配方,并进行了热力学稳定性测试。在5%和10%浓度下,丙三醇的发芽率最高,分别为46.66%和53.33%。蓖麻油在1%条件下的发芽率达到43.00。在10%的处理下,80次发芽率为54.33%。而在5%的条件下,t20的发芽率为48%。在1%的浓度下,1284发芽率为43.33%。以丙三醇和非离子型表面活性剂为主要原料,制备了平均粒径为25.08 ~ 75.35 nm的纳米乳液。以丙三醇油、Tween 20、Tween 80、Term 1284和水为原料制备油包水乳液。在油与表面活性剂比例为45.15 %的条件下,得到了粒径分别为25.08、33.75和75.35 nm的纳米乳液,并得到了稳定的纳米乳液。其中,Tween 20剂型雾滴粒径较大,为75.35 nm; Term 1284剂型雾滴粒径较小,为25.08 nm。Tween 80配方粘度值最高,为16 mpa; Term 1284配方粘度值最低,为7.80 mpa。为了证明这些系统的可能应用,他们被用于制备纳米农药。
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引用次数: 1
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Basrah Journal of Agricultural Sciences
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