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Influence of Different Planting Dates on the Quantitative and Qualitative Traits of Soybean (Glycine max L.) under Coastal Environments 沿海环境下不同种植日期对大豆数量和质量性状的影响
Pub Date : 2023-01-01 DOI: 10.23880/oajar-16000313
Muhammad Waseem
A pot experiment was conducted in spring season during 2018 under the coastal environmental conditions of Lasbela University of Agriculture, Water and Marine Sciences to examine the effect of planting date on seed yield and quality traits of soybean. In this study three sowing dates (T1 = Mid-January, T2 = Early February and T3 = Mid- February) were tested against three soybean varieties (NARC-I, NARC-II and Rawal) in CRD with four replicates. The results revealed that the effect of sowing dates on seed germination percentage was non-significant (p>0.05) but significant (p<0.05) on rest of the growth, yield and other quality traits of soybean. Similarly, varietal effect on all the growth, yield and its contributing traits were significant (p<0.05). Apart from germination percentage (79.79, 80.33, 81.35 %), significant difference between Mid-January, Early February and Mid-February sowing was determined for plant height (46.89 cm), pods plant-1 (74.79), pod length (4.90 cm), seed weight plant-1 (6.15 g), total biomass weight plant-1(22.91 g), harvest index (26.95 %), number of nodules plant-1 (15.09), root length (8.90 cm), protein content (44.11 %) and oil content (23.64 %), respectively. In case of soybean varieties, NARC- I, NARC-II and Rawal showed significant variation for seed germination (85.35 %), plant height (49.68 cm), pods plant-1(82.07), pod length (5.15 cm), seed weight plant-1 (6.27 g), plant biomass weight plant-1 (23.16 g), harvest index (28.33 %), number of nodules plant-1 (15.87), root length (9.36 cm), protein content (43.36 %) and oil content (23.99 %), respectively. It was concluded that sowing of soybean in first fortnight of February resulted in optimistic results in relation to seed weight plant-1. Too early (Mid-January) or too late (Mid-February) sowing showed similarity (p>0.05) for pods plant-1 and seed weight plant-1. Insignificant (p>0.05) difference between early February and mid- February sowing was observed for pod length, harvest index, nodules plant-1 and root length. On the basis of overall performance, variety NARC-I ranked 1st, NARC-II ranked 2nd and Rawal ranked 3rd; while interactive effect of NARC-II × Early- February sowing maximized seed weight plant-1; while variety Rawal × Early-February sowing resulted in maximum biomass weight. Similarly, interaction of variety ‘NARC-II’ × Mid-February sowing resulted in highest protein content; while interactive effect of variety ‘NARC-II’ × Early-February sowing resulted in highest oil content.
2018年春季,在Lasbela农业、水与海洋科学大学滨海环境条件下进行盆栽试验,研究了播期对大豆种子产量和品质性状的影响。本试验以3个大豆品种narc - 1、NARC-II和Rawal为试验对象,分4个重复,在3个播期(T1 = 1月中旬、T2 = 2月初和T3 = 2月中旬)进行CRD试验。结果表明,播期对种子发芽率的影响不显著(p>0.05),但对大豆其他生长、产量和其他品质性状的影响显著(p<0.05)。同样,品种对所有生长、产量及其贡献性状的影响均显著(p < 0.05)。除发芽率(79.79、80.33、81.35%)外,1月中旬、2月上旬与2月中旬播期在株高(46.89 cm)、荚果1(74.79)、荚果长(4.90 cm)、种子重(6.15 g)、总生物量(22.91 g)、收获指数(26.95%)、根瘤数(15.09)、根长(8.90 cm)、蛋白质含量(44.11%)和含油量(23.64%)方面均有显著差异。在大豆品种中,NARC- 1、NARC- ii和Rawal的种子发芽率(85.35%)、株高(49.68 cm)、荚果(82.07)、荚果长(5.15 cm)、种子重(6.27 g)、生物量(23.16 g)、收获指数(28.33%)、根瘤数(15.87)、根长(9.36 cm)、蛋白质含量(43.36%)和含油量(23.99%)差异显著。结果表明,2月前两周播种大豆对植株1号的种子重有较好的影响。早播(1月中旬)和晚播(2月中旬)荚果植株-1和种子重植株-1的播种效果相似(p>0.05)。2月上旬和2月中旬播种时,豆荚长、收获指数、根瘤植株1号和根长差异不显著(p>0.05)。综合性能方面,品种NARC-I排名第一,NARC-II排名第二,Rawal排名第三;而NARC-II与早二月播种的交互效应使植株-1的种子重最大化;而品种“拉瓦尔×早二月”的生物量最大。品种“NARC-II”与二月中旬播互作的蛋白质含量最高;品种“NARC-II”与二月初播的互作效应导致含油量最高。
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引用次数: 0
The Chloroplast Genome Sequence Characteristics Analysis of Berberis diaphana Maxim 小檗叶绿体基因组序列特征分析
Pub Date : 2023-01-01 DOI: 10.23880/oajar-16000317
Ping Li
Berberis diaphana Maxim (B. diaphana), an important medicinal deciduous shrub, is narrowly endemic to China. In the present study, the complete chloroplast (cp) genome of B. diaphana was sequenced and analyzed. The complete cp genome of B. diaphana is 166, 225 bp in length, presenting a quadripartite structure comprising a large single copy region (LSC 73, 596 bp), a small single copy region (SSC 18, 656 bp), and a pair of inverted repeats regions (IRa/ IRb: 36, 954 bp each). The genomewide GC content was 38.07%, LSC made up 32.59%, SSC made up 32.59%, and IR made up 41.02%. The genome encodes 144 genes, including 99 protein-coding genes, 37 tRNA genes, and 8 rRNA genes. A total of 98 simple sequence repeats (SSRs) was identified. Codon usage analysis showed that the genome tended to use codon ending in A/U. Phylogenetic relationships of 20 species inferred that B. diaphana is sister to Berberis weiningensis. The genome comparison revealed that there is a wide variability of the junction sites, and there is higher divergence in the SSC and IRa/ IRb regions than in LSC regions. This study identified the unique characteristics of the B. diaphana cp genome, which will provide valuable information for further studies as well as molecular identification approaches for this important medicinal plant.
小檗(Berberis diaphana Maxim, B. diaphana)是一种重要的药用落叶灌木,在中国有狭窄的特有种。在本研究中,我们对双歧杆菌(B. diaphana)叶绿体全基因组进行了测序和分析。全基因组长度为166,225 bp,呈现由大单拷贝区(LSC 73,596 bp)、小单拷贝区(SSC 18,656 bp)和一对反向重复区(IRa/ IRb各36,954 bp)组成的四部结构。全基因组GC含量为38.07%,LSC占32.59%,SSC占32.59%,IR占41.02%。基因组编码144个基因,包括99个蛋白质编码基因、37个tRNA基因和8个rRNA基因。共鉴定出98个简单重复序列(SSRs)。密码子使用分析表明,基因组倾向于使用以A/U结尾的密码子。从20种的系统发育关系推断,diaphana是Berberis weiningensis的姊妹种。基因组比较显示,连接位点存在广泛的变异性,SSC和IRa/ IRb区域的差异高于LSC区域。本研究确定了该重要药用植物cp基因组的独特特征,为该植物的进一步研究和分子鉴定方法提供了有价值的信息。
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引用次数: 0
Climate-Smart Avocado Farming: A Community-Based Approach to Enhance Adaptation and Resilience 气候智能型牛油果种植:以社区为基础的提高适应和恢复能力的方法
Pub Date : 2023-01-01 DOI: 10.23880/oajar-16000312
Simon C Kipchumba Rop
The purpose of the study was to promote climate-smart avocado farming among smallholder farmers using a community-based multistakeholder platform. Climate-smart avocado farming aims to increase production, and food security, and reduce risks from erratic weather patterns, aligning with sustainable development goals and enhancing agricultural adaptability. Avocado smallholder farmers and other stakeholders formed a multistakeholder platform to address climate-smart practices and adaptation requirements. Data was collected from a random sample of stakeholders using questionnaires. Descriptive statistics and binary logistic regression examined factors motivating farmers to join the platform. A logistic regression model was applied to test the relationship between farmers' expected benefits and participating in multi-stakeholder platform activities. The results indicate that avocado farming activities increased as follows: production, and marketing of improved avocado seedlings (19.2%), market information (18.26%), avocado quality and market promotion (18.92%), access to financial services (19.14%), and capacity building in avocado as a climate-smart practice (16.5%). Farmers' participation in multi-stakeholder planning is related to their anticipated social, material, and economic benefits. Higher levels of social and economic rewards resulted in more participation in the joint planning stage (OR = 1.454). Higher levels of predicted economic rewards increase participation (OR = 1.776). The study revealed that capacity building for integrating avocado as a climate-smart practice positively impacts smallholder avocado farmers' farming systems. For farmers to better adapt to climate change and build resilience, the government, investors, and practitioners are necessary. Modifying policies and programs for climate adaptation is essential. The study supports expanding the multi-stakeholder approach for smallholder farmers in promoting climate-smart agricultural innovation and contributes to enhancing Agricultural Innovation System in rural setup.
该研究的目的是利用基于社区的多方利益相关者平台,在小农中推广气候智能型鳄梨种植。气候智能型牛油果种植旨在提高产量和粮食安全,减少不稳定天气模式带来的风险,与可持续发展目标保持一致,提高农业适应性。牛油果小农和其他利益相关者组成了一个多利益相关者平台,以解决气候智能型实践和适应要求。数据是通过问卷调查从随机抽样的利益相关者中收集的。描述性统计和二元逻辑回归检验了激励农民加入平台的因素。采用logistic回归模型检验农民期望收益与参与多利益相关者平台活动之间的关系。结果表明,牛油果种植活动的增加如下:生产和销售改良牛油果苗木(19.2%),市场信息(18.26%),牛油果质量和市场推广(18.92%),获得金融服务(19.14%),以及牛油果作为气候智能实践的能力建设(16.5%)。农民参与多利益相关者规划关系到他们预期的社会、物质和经济效益。较高的社会和经济奖励水平导致更多的人参与联合规划阶段(OR = 1.454)。较高的预期经济报酬水平会增加参与率(OR = 1.776)。该研究表明,将牛油果作为一种气候智能型做法进行整合的能力建设对小农牛油果种植者的耕作系统产生了积极影响。为了让农民更好地适应气候变化并建立复原力,政府、投资者和从业者是必要的。修改气候适应政策和方案至关重要。该研究支持在促进气候智慧型农业创新方面扩大针对小农的多方利益相关者方法,并有助于加强农村地区的农业创新体系。
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引用次数: 0
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Open access journal of agricultural research
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