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Polymorphic SSR marker identification for water use efficiency in groundnut (Arachis hypogea L.)parental lines 花生亲本水分利用效率的多态性SSR标记鉴定
IF 0.8 4区 生物学 Q3 AGRONOMY Pub Date : 2018-05-20 DOI: 10.18805/LR-3980
C. Nandini, D. Savithramma, Pushpa Doddaraju, Pavan Kumar
Groundnut is world important oilseed crop; productivity is low in the semi-arid regions due to frequent occurrence of drought. Identification of genotypes that have a greater ability to use limited available water is important to enhance productivity of the crop. Water Use Efficiency (WUE) is one such important trait, which increases yield under drought situation. Low level of DNA polymorphism has been detected in most of the laboratories due to allotetraploid nature. In the present study two parental lines of Recombinant Inbred line population NRCG12568 and NRCG12326 diverse for WUE related trait, such as Carbon Isotopic Discrimination (D13C), Specific Leaf Area (SLA) and SPAD chlorophyll meter reading were studied for polymorphism using 350 simple sequence repeat (SSR) markers. Out of these, only 119 (34%) markers showed polymorphism in NRCG12568 and NRCG12326. Detection of polymorphism opens up the possibility of use of these markers for QTL map development for D13C in groundnut.
花生是世界上重要的油料作物;半干旱地区干旱频繁,生产力低下。鉴定更有能力利用有限可用水分的基因型对提高作物生产力很重要。水分利用效率(WUE)是干旱条件下提高产量的重要指标之一。由于同种异体四倍体的性质,在大多数实验室中检测到低水平的DNA多态性。利用350个SSR标记对重组自交系群体NRCG12568和NRCG12326在WUE相关性状(D13C)、比叶面积(SLA)和SPAD叶绿素计读等方面的多态性进行了研究。其中,只有119个(34%)标记在NRCG12568和NRCG12326中存在多态性。多态性检测为利用这些标记开发花生D13C QTL图谱提供了可能。
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引用次数: 2
Ems and gamma radiation induced mutation in grasspea (Lathyrus sativus L.) 电磁辐射和γ辐射诱导草种突变的研究
IF 0.8 4区 生物学 Q3 AGRONOMY Pub Date : 2018-05-20 DOI: 10.18805/LR-3981
Prabhat K. Singh, R. Sadhukhan
Present investigation has been undertaken to study the induction of mutation by individual and combination treatments of EMS and gamma rays in three diverged genotypes of grasspea viz. Nirmal, Biol-212 and Berhampur Local. Combination treatments caused the more biological damage (lethality, injury and sterility) followed by gamma rays and EMS alone. The LD50 dose of gamma rays for Nirmal, Biol-212 and Berhampur Local corresponded to 590 Gy, 630 Gy and 539 Gy respectively. Above 0.5% EMS for Nirmal and Biol-212 and above 1% EMS in case of Berhampur Local was found to be lethal. Average total mutation frequency of three varieties together was highest (6.32 %) in gamma radiation followed by both EMS and combination treatment (5.8%). The most efficient dose/concentration of gamma rays and EMS were found to be 400 Gy and 0.5% EMS respectively. Mutagenic efficiency increases and effectiveness decreases with increasing concentration of EMS but the consequence was showed almost inverse relationship in case of gamma rays. Overall, irrespective of genotypes, gamma rays and EMS respectively were found to be most efficient and effective mutagen.
本文研究了EMS和伽马射线单独和联合处理对三种不同基因型草种(Nirmal、Biol-212和Berhampur Local)的诱变诱导。联合治疗造成的生物损伤(致死性、损伤性和不育性)大于射线治疗和EMS治疗。Nirmal、Biol-212和Berhampur Local的LD50剂量分别为590 Gy、630 Gy和539 Gy。Nirmal和Biol-212的EMS超过0.5%,而Berhampur Local的EMS超过1%,被认为是致命的。3个品种的平均总突变率在γ辐射处理中最高(6.32%),其次是EMS和联合处理(5.8%)。伽马射线和电磁辐射的最有效剂量/浓度分别为400戈瑞和0.5%电磁辐射。随着EMS浓度的增加,诱变效率增加,效果降低,但在伽马射线中,结果几乎呈反比关系。总的来说,无论基因型如何,伽马射线和EMS分别被发现是最有效和最有效的诱变剂。
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引用次数: 5
On-farm evaluation of pigeonpea (Cajanus cajana L. Millsp.) - neem (Azadirachta indica A. Juss.) agroforestry systems in the Deccan Plateau 德干高原鸽豆(Cajanus cajana L. Millsp.) -印楝(Azadirachta indica A. Juss.)农林业系统的田间评价
IF 0.8 4区 生物学 Q3 AGRONOMY Pub Date : 2018-05-20 DOI: 10.18805/LR-3941
Doddabasawa, B. Chittapur, M. Murthy
The performance of neem based agroforestry system was studied during 2016-17 under rainfed ecosystem on farmers’ fields on participatory mode in Yadagir district in the North-eastern dry zone (Zone II) of Karnataka. Grain and biomass yields and harvest index of pigeonpea did not vary significantly among the agroforestry systems. However, significantly lower grain (1192 kg ha-1) and biomass (5563 kg ha-1) yields of pigeonpea were recorded at 5 m distance away from the neem tree line (P=0.05) compared to the distances of 10 m ( 1450 and 6942 kg ha-1, respectively) and 15 m (1449 and 6720 kg ha-1, respectively) away from the tree line. Significantly higher grain yield (1520 kg ha-1) was observed in control without any proximity of trees compared to the agroforestry systems which accounted for a mean reduction of 11 per cent in yield. Among different agroforestry systems, significantly higher tree height was recorded in bund planting (7.61m) followed by boundary planting (7.38 m) and scattered planting (6.46 m) whereas the crown spread recorded was significantly lower in bund planting (6.27 m) followed by scattered planting (6.38 m) and boundary planting (6.68 m). There also existed non-significant difference in girth, volume and biomass of neem trees grown in different agroforestry systems. Further, the physicochemical properties of soil were found improved in agroforestry systems compared to control and the trend varied among the different agroforestry systems
以卡纳塔克邦东北部旱区(II区)亚达吉尔区为研究对象,采用参与式模式,研究了2016- 2017年旱作生态系统下农民田间印楝复合农林业系统的绩效。不同农林业系统间鸽豆的籽粒和生物量产量及收获指数差异不显著。与10 m(分别为1450和6942 kg ha-1)和15 m(分别为1449和6720 kg ha-1)相比,距楝树株系5 m处的籽粒产量(1192 kg ha-1)和生物量(5563 kg ha-1)显著降低(P=0.05)。与农林业系统相比,在没有接近树木的情况下,对照的粮食产量显著提高(1520公斤每公顷),农林业系统的产量平均降低11%。不同农林业系统中,印楝树的树高以带状种植(7.61m)最高,其次为边界种植(7.38 m)和分散种植(6.46 m),树冠铺展以带状种植(6.27 m)次之,其次为分散种植(6.38 m)和边界种植(6.68 m),不同农林业系统中印楝树的周长、体积和生物量差异不显著。此外,与对照相比,农林业系统改善了土壤的理化性质,并且不同农林业系统之间的趋势有所不同
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引用次数: 3
Salinity stress phenotyping for soybean (Glycine max L.) for Middle East Asia 中东大豆(Glycine max L.)盐胁迫表型分析
IF 0.8 4区 生物学 Q3 AGRONOMY Pub Date : 2018-05-20 DOI: 10.18805/LR-375
F. Khan
The present study was conducted to evaluate the differences in photosynthetic parameters and antioxidant enzyme activity among two genotypes of soybean (Glycine max L.) in response to salinity stress. Ten-day-old seedlings, grown hydroponically, were treated with 0, 25, 50, 75, 100, 125 and 150 mM NaCl for 7 days and analysed for the traits as biomarkers for identification of salt-tolerant soybean genotype. It was observed that NaCl stress caused severe impairments in photosynthetic rate, chlorophyll fluorescence and chlorophyll content in both the genotypes, but the damage were much more pronounced in salt-sensitive genotype VL SOYA-47. Moreover, chlorophyll fluorescence measurements showed higher non-photochemical quenching in genotype VL SOYA-47 and lower in genotype VL SOYA-21. The antioxidant enzyme activities (superoxide dismutase, catalase, ascorbate peroxidase and glutathione reductase) was observed much higher in VL SOYA-21 than in VL SOYA-47 at various levels of NaCl treatments. From the results, it could be suggested that VL SOYA-21 is the salt tolerant and VL SOYA-47 is a salt sensitive soybean genotype. The tolerance capacity of VL SOYA-21 against NaCl stress can be related with the ability of this genotype in possessing vital photosynthetic system and ROS scavenging capacity.
研究了2个基因型大豆(Glycine max L.)光合参数和抗氧化酶活性在盐胁迫下的差异。用0、25、50、75、100、125和150 mM NaCl处理10 d的大豆幼苗,分析其性状,作为耐盐大豆基因型鉴定的生物标志物。结果表明,NaCl胁迫对两种基因型大豆的光合速率、叶绿素荧光和叶绿素含量均造成严重损害,但对盐敏感的VL SOYA-47受到的损害更为明显。此外,叶绿素荧光测量显示,基因型VL SOYA-47的非光化学猝灭程度较高,而基因型VL SOYA-21的非光化学猝灭程度较低。在不同NaCl处理下,大豆抗氧化酶活性(超氧化物歧化酶、过氧化氢酶、抗坏血酸过氧化物酶和谷胱甘肽还原酶)均显著高于大豆大豆47。结果表明,VL SOYA-21为耐盐大豆基因型,VL SOYA-47为盐敏感大豆基因型。VL soy -21对NaCl胁迫的耐受能力可能与该基因型具有重要的光合系统和清除ROS的能力有关。
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引用次数: 4
Impact of biotic stress management technologies on yield, economics and energy indices of pigeon pea (Cajanus cajan) grown in Central India 生物胁迫管理技术对印度中部木豆产量、经济和能源指标的影响
IF 0.8 4区 生物学 Q3 AGRONOMY Pub Date : 2018-05-20 DOI: 10.18805/LR-3953
Y. Singh, Sanjeev Tomar, Sudhir Kumar Singh
The major biotic stresses limiting productivity of pigeon pea includes weeds and various diseases like wilt, sterility mosaic virus, blight and pests as pod-borer, pod-fly in field and bruchids in field as well as in storage. Results of on farm trials revealed significant impact of adoption of management techniques of biotic stresses on seed yield, net profit and benefit cost ratio as compared to existing practices of pigeon pea cultivation. Scientific management of weed, pod borer and wilt was increased in seed yield by 26.2, 46.1 and 12.2%, while saving of seed by 23.6% from bruchids compared with existing practice, respectively. Among biotic management practices, higher additional cost was observed on weed management (Rs. 2,974 ha-1) and it was minimum on pod borer management (Rs. 798 ha-1) compared with existing practices. Accordingly, additional maximum net returns were obtained with pod borer (Rs. 24,805 ha-1) and minimum with wilt (Rs. 9,401 ha-1). Interventions of biotic stresses management were significantly influenced the output, use-efficiency, productivity and net gains of energy compared to existing practices. Maximum additional net energy gain was in management of weed (25,649 MJ ha-1) followed by pod borer (13,349 MJ ha-1), bruchid (8,390 MJ ha-1) and wilt (5,325 MJ ha-1). After harvest of second crop of pigeon pea, organic carbon, bulk density, infiltration rate and available N, P, K, S and Zn were significantly increased with weed and wilt management over existing practice. Management of biotic stresses by proper technologies increased the productivity of pigeon pea of three folds (2.12 to 2.33 t ha-1) compared to its average productivity of India and also increased economic benefits and energy outcomes.
限制鸽豆产量的主要生物胁迫包括杂草和各种病害,如枯萎病、不育花叶病毒、枯萎病和田间螟虫、田间蝇虫和田间及贮藏中的野鼠。农场试验结果表明,与现有的鸽豆栽培方法相比,采用生物胁迫管理技术对种子产量、净利润和效益成本比有显著影响。与现有做法相比,科学管理杂草、豆荚螟和枯萎病的种子产量分别提高26.2%、46.1%和12.2%,节省禾草种子23.6%。在生物管理措施中,杂草管理的额外成本较高(2,974 ha-1卢比),豆荚螟管理的额外成本最低(798 ha-1卢比)。因此,豆荚螟的净收益最高(24,805 ha-1卢比),而枯萎病的净收益最低(9,401 ha-1卢比)。与现有做法相比,生物胁迫管理干预措施显著影响了产量、利用效率、生产力和能源净收益。额外净能量增益最大的是杂草(25,649 MJ ha-1),其次是豆荚螟(13,349 MJ ha-1)、野田鼠(8,390 MJ ha-1)和枯萎病(5,325 MJ ha-1)。在第二季收获后,与现有做法相比,杂草和枯萎管理显著提高了有机碳、容重、入渗速率和速效N、P、K、S和Zn。通过适当的技术对生物胁迫进行管理,使鸽豆的生产率比印度的平均生产率提高了三倍(2.12至2.33吨公顷),并提高了经济效益和能源产出。
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引用次数: 0
Combining ability and Heterosis analysis for grain yield and yield associated traits in Pea (Pisum sativum L.) 豌豆(Pisum sativum L.)籽粒产量及相关性状配合力及杂种优势分析
IF 0.8 4区 生物学 Q3 AGRONOMY Pub Date : 2018-05-20 DOI: 10.18805/LR-3955
Nageshwar, B. Kumar, Hariom Suman, A. H. Madakemohekar, Dattesh Tamatam
This experiment was conducted to determine the general and specific combining abilities and heterosis for grain yield and yield associated traits in pea as a source of protein through line x tester analysis. Grain yield and its inheritance were carried out for investigation through a 12 x 3 line x tester analysis. Experimental materials comprising 15 parents and their 36 hybrids. The materials were planted in a randomized block design with three replications. The general combining ability and Specific combining ability effects were significant indicating the presence of both additive and non-additive types of gene actions. Heterosis was determined as the superiority over mid parent heterosis as well as better parent (HBP). Grain yield showed highly significant heterosis ranging from -36.29 to 8.77and relative heterosis ranged from -25.85 to 13.19 respectively.
本试验旨在通过x系试验分析,确定作为蛋白质来源的豌豆籽粒产量及相关性状的一般配合力和特异配合力及杂种优势。通过12 × 3系x试验分析,对籽粒产量及其遗传特性进行了研究。实验材料包括15个亲本及其36个杂交种。材料采用随机区组设计,每组重复3次。一般配合力和特异配合力效应均显著,表明存在加性型和非加性型基因作用。杂种优势被确定为优于中亲本和优亲本(HBP)。籽粒产量杂种优势在-36.29 ~ 8.77之间,相对杂种优势在-25.85 ~ 13.19之间。
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引用次数: 4
Molecular dissection of genetic diversity in pigeonpea [Cajanus cajan (L) Millsp.] minicore collection 鸽豆遗传多样性的分子解剖研究[j]。minicore collection
IF 0.8 4区 生物学 Q3 AGRONOMY Pub Date : 2018-05-20 DOI: 10.18805/lr-3817
S. Muniswamy, R. Lokesha, R. Saxena, B. Fakrudin, K. Patel, Yamanura
The present investigation was carried out using 191genotypes as mini core collections of pigeonpea along with 5 check varieties to know the genetic diversity at molecular level. Significant variation was observed by the way of analysis of variance for nine characters viz., days to 50% flowering, days to maturity, plant height, number of branches per plant, pod bearing length, number of pods per plant, number of seeds per pod, seed yield per plant and hundred seed weight. Molecular diversity using 18 polymorphic simple sequence repeat (SSR) markers divided genotypes into 15 clusters, of which ICP11059 and AK-101 were solitary, indicating their distinctiveness among all genotypes. Similarly, BSMR-533, JKM-7, RVK-285, ICP-1126, ICP-348, ICP-6859 and ICP-7869 were found distinct among the genotypes. Geographical origin based diversity separated Indian and non Indian genotypes. The Un weighted Pair Group Method with Arithmetic mean (UPGMA) based dendrogram indicated distinctiveness of ICP-13633 and Bennur local, as they formed solitary cluster. The SSR marker CcM 602, as it could differentiate 4 genotypes at different base pair size can be used for identification and finger printing of genotypes.
本研究以191个基因型和5个对照品种为研究对象,从分子水平上了解遗传多样性。通过方差分析,在开花至50%天数、成熟天数、株高、单株分枝数、荚果长、单株荚果数、单株种子数、单株种子产量和百粒重9个性状上观察到显著差异。利用18个多态简单序列重复(SSR)标记的分子多样性将基因型划分为15个簇,其中ICP11059和AK-101为孤立簇,表明它们在所有基因型中具有差异性。同样,BSMR-533、JKM-7、RVK-285、ICP-1126、ICP-348、ICP-6859和ICP-7869在基因型中存在差异。基于地理起源的多样性区分了印度和非印度基因型。基于UPGMA的非加权对群法(unweighted Pair Group Method with Arithmetic mean, UPGMA)的树形图显示,ICP-13633与Bennur局域具有独特性,因为它们形成了孤簇。SSR标记CcM 602可以区分不同碱基对大小的4种基因型,可用于基因型的鉴定和指纹图谱。
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引用次数: 1
Evaluation of native Rhizobium leguminosarum bv. viceae of pea plants (Pisum sativum L.) for nodulation efficiency and yield promotion in lentil crop (Lens culnaris Medik.) under acid soil 土产豆科根瘤菌的评价。酸性土壤下豌豆叶片对小扁豆结瘤效率和产量的促进作用
IF 0.8 4区 生物学 Q3 AGRONOMY Pub Date : 2018-05-20 DOI: 10.18805/LR-4001
Christy, B. K. Sangma, D. Thakuria
Most leguminous crops including lentil require neutral to slightly acidic range of soil pH for favourable nodulation and nitrogen fixation. The quest for acid soil compatible Rhizobium leguminosarum bv. viceae strain is important for promotion of lentil crop under rice-lentil rotation in acid soil regions. In this investigation, native R. leguminosarum strains were isolated from the nodules of pea plants grown in pots using acid soil and isolated native Rhizobium strains were confirmed on CRYEMA (congo red Yeast Extract Mannitol Agar) media. Four native R. leguminosarum strains (NR1, NR2, NR3 and NR4) obtained from four acid soil types were further screened for nodulation efficiency and yield attributes of lentil crop against a reference exotic strain R. leguminosarum CK1 (ER). The results indicated that the performance of native Rhizobium strain (NR2) was the best among native isolates and performed on par with the reference strain (CK1) in acid soils of Meghalaya.
大多数豆科作物,包括小扁豆,需要中性至微酸性的土壤pH值,以促进结瘤和固氮。寻找与酸性土壤相容的豆科根瘤菌。Viceae菌株对酸性土壤地区水稻-扁豆轮作下扁豆作物的推广具有重要意义。本研究从酸性土壤盆栽豌豆根瘤中分离到原生豆科根瘤菌,并在CRYEMA(刚果红酵母提取物甘露醇琼脂)培养基上对分离到的原生根瘤菌进行鉴定。从4种酸性土壤类型中获得4株豆科小扁豆根瘤菌株NR1、NR2、NR3和NR4,并以外来对照菌株CK1 (ER)为对照,进行豆科小扁豆结瘤效率和产量性状的筛选。结果表明,在梅加拉亚邦酸性土壤中,本地根瘤菌(NR2)表现最好,与对照菌株(CK1)表现相当。
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引用次数: 0
Antibacterial activity of the seeds, roots and shoots of Lotus populations 荷花群体种子、根、芽的抑菌活性
IF 0.8 4区 生物学 Q3 AGRONOMY Pub Date : 2018-05-20 DOI: 10.18805/LR-408
G. Demirkol
In this study the antibacterial activity of the ethanol, ethyl acetate and chloroform extracts from the seeds, roots and shoots of Lotus aegaeus, Lotus angustissimus, Lotus corniculatus, Lotus gebelia, Lotus palustris populations grown naturally in Turkey were investigated by using the disc diffusion and agar dilution method, against main plant pathogenic bacteria (Clavibacter michiganensis, Agrobacterium tumefaciens, Erwinia caratovora, Pseudomonas phaseolicola). According to results, the shoot ethyl acetate extract of L. aegaeus and shoot extracts of L. corniculatus against C. michiganensis and shoot extracts of all solvents of L. angustissimus against P. phaseolicola showed high antibacterial activity. This is the first report of antibacterial activity of the Lotus species against plant pathogens. In the study these stated effective extracts showed higher antibacterial effects by comparison with used chemical preservatives against sensitive bacteria. This study offers that active compounds present in Lotus species could play a big role in naturally plant preservation against plant diseases.
采用碟形扩散法和琼脂稀释法,研究了土耳其自然生长的荷花aegaeus、angustissimus、corniculatus、gebelia、palustris等植物种子、根和芽的乙醇、乙酸乙酯和氯仿提取物对主要植物病原菌(密歇根克拉杆菌、农杆菌、caratovora Erwinia、phaseolicola假单胞菌)的抑菌活性。结果表明,鹅毛苣苔芽部乙酸乙酯提取物和鹅毛苣苔芽部提取物对鹅毛苣苔的抑菌活性较好,鹅毛苣苔芽部提取物对鹅毛苣苔的抑菌活性较高。这是首次报道莲花对植物病原菌的抑菌活性。在研究中,与常用的化学防腐剂相比,这些有效提取物对敏感细菌具有更高的抗菌效果。本研究表明,荷花中存在的活性成分在植物自然保护中具有重要的作用。
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引用次数: 2
Effects of mixture ratio and cutting time on forage yield and silage quality of intercropped berseem clover and italian ryegrass 混交比和刈割时间对间作三叶草和意大利黑麦草产量和青贮品质的影响
IF 0.8 4区 生物学 Q3 AGRONOMY Pub Date : 2018-05-20 DOI: 10.18805/LR-400
Celal Yücel, İlker İnal, D. Yücel, R. Hatipoğlu
The research was carried out to determine the effects of different mixture ratios and cutting times on dry-matter yield and silage quality of mixtures of bersem clover (Trifolium alexandrinum L.) with Italian ryegrass (Lolium multiflorum Lam.) in Adana province, Turkey. The experiment was laid out in split plot design with four replications during the years of 2011-2013. The mixture-ratios ( 80% BC + 20% IR, 60% BC + % 40 IR, 40% BC+ % 60 IR, 20% BC + 80 % IR, pure berseem clover (BC) and Italian ryegrass (IR) ) were main plots, and harvest times (beginning of the flowering, mid flowering and full flowering of BC) were sub-plots. From the result of the study, it was concluded that the mixture of 60 % BC +40 % IR harvested at full flowering of BC was superior in terms of dry matter yield and silage quality.
在土耳其阿达纳省,研究了不同配比和刈割次数对山三叶草(Trifolium alexandrinum L.)与意大利黑麦草(Lolium multiflorum Lam.)混播干物质产量和青贮品质的影响。2011-2013年采用分区设计,4个重复。混合比例(80% BC+ 20% IR、60% BC+ % 40% IR、40% BC+ % 60% IR、20% BC+ 80% IR、纯红三叶草(BC)和意大利黑麦草(IR))为主要样地,采收期(BC的开花期、中期和盛花期)为次样地。综上所述,在BC盛花期收获60% BC + 40% IR的混合处理在干物质产量和青贮品质方面均较优。
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引用次数: 9
期刊
Legume Research
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