drought tolerance in upland rice

... short period, resulting in drought spells of 1-3 weeks at either seedling/vegetative and anthesis stages depending on the time of rainfall Terminal drought is recurring feature in this region which ... identification of drought tolerant genotypes in rainfed lowland rice Field Crop Res., 99: 48–58 Mall, A.K., Swain, P., Singh, O.N 2011 Genetic divergence studies in drought promising rice genotypes ... yield of rice Madras Agric J., 82(4): 310-313 Reyniers, F.N., Troung-Binh, L., Jacquinot, Nicou, R 1982 Breeding for drought resistance in dryland rice P 273-292 In Drought Resistance in Crops

Ngày tải lên: 14/10/2020, 17:42

... vacuole In another study, overexpression of an E3 ubiquitin ligase gene OsDIS1 (Oryza sativa drought- induced SINA protein 1) has been shown to decrease the drought tolerance in rice by increasing ... disruption of pectin cross-linking (Feng et al 2018), indicating that enzymes facilitating pectin cross-linking may promote the cell wall integrity under salt stress Mutation in arabinose biosynthesis ... resulting in leaf rolling phenotype (Price et al 1997; Fang et al 2012) Moderate leaf rolling in rice and other field-grown crops helps in attaining the erect architecture of leaves, facilitating

Ngày tải lên: 18/02/2021, 15:24

... MINISTRY OF EDUCATION AND TRAINING THÁI NGUYÊN UNIVERSITY VŨ THỊ THU THỦY CREATING DROUGHT TOLERANCE LINES AND ISOLATING CYSTATIN GENES RELATED TO DROUGHT TOLERANCE IN ... improving drought tolerance, we have carried out the thesis topic: 2 "Creating drought tolerance lines and isolating cystatin genes related to drought tolerance in peanut (Arachis ... generations. - Making comparison and defining the discrepancy in genome of the line selected by RAPD technique. - Amplifying, separating and defining the sequence of the cystatin gene of selective

Ngày tải lên: 24/06/2015, 00:56

... tai: wWw.SinhHoc.edu.vn MINISTRY OF EDUCATION AND TRAINING THÁI NGUYÊN UNIVERSITY VŨ THỊ THU THỦY CREATING DROUGHT TOLERANCE LINES AND ISOLATING CYSTATIN GENES RELATED TO DROUGHT TOLERANCE IN PEANUT ... of cystatin in the inhibition of cysteine proteinase activity, is suggested for further study of cystatin in groundnut Besides differences in amino acid position 34, resulting in amino acid sequence ... Making comparison and defining the discrepancy in genome of the line selected by RAPD technique - Amplifying, separating and defining the sequence of the cystatin gene of selective groundnut line

Ngày tải lên: 20/04/2016, 10:05

... preferred pulse in India, for its easily digestible protein content along with other nutritional qualities is predominantly grown in India in the Gangetic plains of West Bengal as rainfed crop on ... conditions and indexes of drought tolerance such as mean productivity (MP), tolerance against stress (TAS), geometric mean productivity (GMP), and stress tolerance index (STI) given in following: that, ... and indexes of drought tolerance such as mean productivity (MP), tolerance against stress (TAS), geometric mean productivity (GMP), and stress tolerance index (STI) residual soil moisture in the

Ngày tải lên: 14/01/2020, 00:11

... and molecular processes culminating in stress tolerance Drought tolerance is a quantitative trait involving many genes with cumulative effects Breeding for drought tolerance is generally considered ... present investigation was done to evaluate the genetic diversity in Indian mustard genotypes for drought tolerance Genetic diversity analysis will help in introgression of drought tolerant genes into ... Then, the machine was run accordingly as, initial denaturation at 95°C for min; Denaturation at 94°C for min; Annealing at 50-60°C for min; Extension at 72°C for min; completion of cycling program

Ngày tải lên: 14/01/2020, 16:21

... expressed in plagiotropic buds of IAPAR59 and Rubi, as for the CaSTK1 gene encoding a putative serine/threonine protein kinase containing a conserved domain (cd06610) of mitogen-activated protein kinases ... OsWRKY30 protein by MAPKs is a key step in conferring drought tolerance in transgenic rice According to our results, higher CaSTK1 expression under drought conditions in IAPAR59 than in Rubi could ... under drought conditions in IAPAR59 than in Rubi is also worth noting because this enzyme catalyzes the synthesis of polyamines (e.g spermine, spermidine and putrescine) involved in stress tolerance

Ngày tải lên: 22/05/2020, 04:18

... growth retardation [12] Overexpressing OsNAC045 in rice enhances salt and drought tolerance [13] When the rice stress-responsive NAC gene SNAC1 was introduced into rice and wheat, the transgenic ... fewer investigations into NAC in wheat In bread wheat (Triticum aestivum), transgenic lines overexpressing TaNAC69 produce more biomass in the shoot and root when grown under stress-inducing conditions ... above) using Trizol in accordance with manufacturer’s instructions (Zomanbio, Beijing, China) Integrity and quality of total RNA samples were examined by electrophoreses by running μl RNA in an

Ngày tải lên: 26/05/2020, 20:10

... promoter mining Strategies for allele mining The various strategies used in allele mining programme have been described in detail Screening for drought tolerant genotypes The accessions obtained from ... and introgression of desirable genes from diverse germplasm into the available genetic base Molecular basis of drought tolerance and use in allele mining Internal cell mechanisms induce certain ... molecules involved in signal transduction pathways such as calmodulin-binding protein etc Regulatory RNAs including siRNAs and miRNAs have also been discovered as important regulators in drought

Ngày tải lên: 05/08/2020, 23:30

... caused a significant increase in mean germination time and decrease in germination Present studies are intensely supported by the finding of Uniyal et al., (1998) The germination rapidity of tolerant ... reduction in shoot length as compared to determinate type It indicates that determinate tomato can be well suited to drought areas than indeterminate growth habit Turner (1979) has recommended indeterminate ... cadmium stress combinations Plant Soil Environment 51: 57-64 Wani, S H Sofi, P A Gosal, S S and Singh N B 2010 In vitro screening of rice (Oryza sativa L) callus for drought tolerance International

Ngày tải lên: 05/11/2020, 04:47

... tolerance in rice seedlings. Overex- pression of OsCYP2 conferred salt tolerance in trans- genic rice seedlings. Although OsCYP2-transgenic seedlings did not predominate over wild-type seedlings ... seedlings, suggesting that the involvement of OsCYP2 in the response of rice seed- ling to salt stress is required, but also it can enhance salt tolerance in transgenic rice seedlings by controlling ... proline residue and the preceding residue, and functions as a molecular chaperone involved in protein folding, and refolding of denatured proteins. OsCYP2 possesses seven residues, including

Ngày tải lên: 11/08/2014, 11:21

... present in cluster 10 (16 ESTs) showed a steady higher abundance in PUSABGD72 at all time points. Interest- ingly, three ESTs representing a CBL-interacting protein kinase, a receptor-like k inase ... sharp increase in the accumulation of ABA within 3 d indicating its involvement in early response to stress, whereas in the later period of treatment, ABA content was re-adjusted and maintained. ... varieties having contrasting levels of drought- tolerance were analyzed for differences in transcript profiling during drought stress treatment by withdrawal of irrigation at different time points. Transcript

Ngày tải lên: 12/08/2014, 03:21

... Ys) and all drought tolerance indices except TOL were observed which indicated that genotypes were differing for genes controlling yield and drought tolerance indices The mean of grain yield under ... Vijapur -382 870, India ICAR-Indian Institute of Wheat and Barley Research (IIWBR), Karnal, India *Corresponding author ABSTRACT Keywords Stress intensity, Grain yield, Moisture stress indices, Durum ... Article Info Accepted: 10 March 2019 Available Online: 10 April 2019 In order to investigate the relationships among the drought tolerance/ resistance indices an experiment was conducted in alpha

Ngày tải lên: 09/01/2020, 17:31

... conditions The minimum Fruit setting (%) was recorded in Kashi Sharad (7.01) in control condition and in drought condition in KashiAnupam (2.86) (Table 3).The results showed decreasing trend in drought ... minimum total carotenoids content was noted in F-7028 (3.42mg/100g) in irrigated condition and in drought condition in WIR4360(0.58 mg/100g) (Table 4) The results showed increasing trend in drought ... (Fig 13) and in drought condition in Kashi Sharad (10.11) (Table 4) The results showed decreasing trend in drought stress as compared to irrigated condition (Fig 16) Proline level was increased

Ngày tải lên: 13/01/2020, 22:18

... ABA-responsive element biding BAM1 β-amylase BSO Buthionine sulfoximine CAT Catalase CDPKs Calcium-dependent protein kinase CIPKs Calcineurin B-like interacting protein kinase CBL Calcineurin B-like CHK5 ... Identification of open stomata1-interacting proteins reveals interactions with sucrose nonfermenting1-related protein kinases2 and with type 2A protein phosphatases that function in abscisic acid responses ... Majumdar R, Barchi B, Turlapati SA, Gagne M, Minocha R, Long S and Minocha SC, 2016 Glutamate, ornithine, arginine, proline, and polyamine metabolic interactions: the pathway is regulated at the

Ngày tải lên: 06/05/2020, 12:00

... VviBCAT2 (branched-chain amino acid transaminase 2), VviGAT1 (involved in amino acid transport), and VviCAD5 (cinnamyl alcohol dehydrogenase) significantly increased in expression in response to dehydration ... which upon binding ethylene initiate a large signaling cascade (see below) In response to dehydration, VviETR2 increased in all genotypes with Cabernet Sauvignon and Ramsey increasing within h of ... regulators of Snf1-related protein kinase1 signaling in Arabidopsis Plant Cell 2013;25(10):3871–84 92 Ohme-Takagi M, Shinshi H Ethylene-inducible DNA binding proteins that interact with an ethylene-responsive

Ngày tải lên: 22/05/2020, 04:28

... glucosyltransferase involved in glucuronoxylan biosynthesis and drought tolerance in Arabidopsis [48] The putative calmodulin-binding protein (GRMZM2G466563) and leucine-rich repeat receptor-like protein kinase ... alanine, C = cysteine, D = aspartic acid, E = glutanic acid, F = phenylalanine, G = glycine, H = hisitidine, I = isoleucine, K = lysine, L = leucine, N = asparagine, M = methionine, P = proline, ... examined in maize Many researches have indicated that, the ancestor of maize, teosinte, is a drought tolerant grass while domesticated landraces and inbred lines have differentiated in drought tolerance

Ngày tải lên: 27/05/2020, 01:36

... citrulline, glutamate and arginine in leaves of wild watermelon The accumulation of citrulline and arginine may be related to the induction of dopamine receptor interacting protein gene 1, a homologue ... plants in pots under drought, Plant Sci., 169: 313–321 Hallajian, M.T 2016 Mutation Breeding and Drought Stress Tolerance in Plants In: Drought Stress Tolerance in Plants, Vol (pp 359-383) Springer ... other studies opined that determination of leaf water status in the morning and water content in leaves in the afternoon were potentially useful for screening drought tolerance in chickpea (Pannu

Ngày tải lên: 02/07/2020, 23:39

... germination percentage, alcohol dehydrogenase, amylase activity Article Info Accepted: 04 April 2017 Available Online: 10 May 2017 Due to increasing practices of direct seeding in rice under rainfed ... differ widely in cropping intensity and yield, ranging from single-crop rainfed lowland and upland rice with small yields (1– t ha-1), to triple-crop irrigated systems with an annual grain production ... significantly increased in the near future (FAO, 2014) Due to increasing practices of direct seeding in rainfed and irrigated conditions, tolerance to hypoxic or anaerobic condition is becoming an important

Ngày tải lên: 23/09/2020, 00:37

... traits, the effective sampling method, and finally to find QTLs contributing to improving salt tolerance in rice Thirty-seven rice varieties were screened for salt tolerance using a hydroponic system ... harboring those salt tolerance genes Salinity tolerance in rice is regulated by multiple genes Expression of salinity tolerance is the result of many physiological and biochemical activities in ... ROS-scavenging systems to salt stress during seedling and reproductive stages in rice Ann Bot., 99: 1161-1173 Moradi F, Ismail AM, Gregorio G, Egdane J 2003: Salinity tolerance of rice during reproductive

Ngày tải lên: 04/04/2021, 23:49