ORYZA- An International Journal on Rice最新文献

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Rice (Oryza sativa L.) productivity, profitability, nutrient uptake and energetics under different nutrient management and rice establishment methods in rice-groundnut cropping system 不同养分管理和栽植方式下水稻的生产力、盈利能力、养分吸收和能量学
ORYZA- An International Journal on Rice Pub Date : 2023-06-28 DOI: 10.35709/ory.2023.60.2.10
T. Samant, L. Garnayak, R. Paikaray, P. Mishra, B. Rath
{"title":"Rice (Oryza sativa L.) productivity, profitability, nutrient uptake and energetics under different nutrient management and rice establishment methods in rice-groundnut cropping system","authors":"T. Samant, L. Garnayak, R. Paikaray, P. Mishra, B. Rath","doi":"10.35709/ory.2023.60.2.10","DOIUrl":"https://doi.org/10.35709/ory.2023.60.2.10","url":null,"abstract":"A field experiment was conducted during 2019-20 and 2020-21 to study the effect of nutrient management and rice establishment methods on rice productivity, profitability, nutrient uptake and energetics in rice-groundnut cropping system in coastal Odisha. The experiment was laid out in factorial randomised block design during the Kharif and in split-plot design during the Rabi seasons with three replications. Six treatment combinations comprising of two rice establishment methods viz., direct seeded rice (DSR) and transplanted rice (TPR) and three nutrient management practices, viz., inorganic source, organic source and integrated nutrient management (INM) to rice during kharif were allotted to the main-plots. Three nutrient management practices to groundnut viz., 75% soil test based inorganic fertilizers (STBF), 100% STBF (inorganic) and INM during rabi were allotted to the sub-plots. The results of the study revealed that TPR resulted in 3.3% higher grain yield (5.65 t ha-1) than DSR. TPR also fetched the higher mean cost of cultivation (Rs. 77, 816 ha-1) and gross returns (Rs. 1, 12, 353 ha-1) while DSR recorded more net returns (Rs. 39, 121 ha-1) and benefit cost ratio (1.68). Transplanting increased uptake of nutrients by rice crop to the maximum of 99.4 kg N, 27.9 kg P and 107.3 kg K ha-1 as compared to DSR. TPR recorded the higher energy output (1, 48, 205 MJ ha-1), energy ratio (18.0) and energy productivity (0.69 kg MJ-1) than DSR. INM exhibited the highest mean grain (6.06 t ha-1) and straw yields (7.09 t ha-1), while the organic management showed at par of these values. The INM practice also fetched 50, 781 ha-1 and 7,470 ha-1 higher net returns and 0.84 and 0.04 higher benefit: cost ratio over organic practice and inorganic nutrition, respectively. The INM practice in rice crop resulted in the maximum N, P and K uptake. But, the inorganic and organic practice in isolation have similar uptake of nutrients by the crop in accordance with their almost similar yields. The minimum energy for raising rice crop was spent in organic practice, which generated maximum energy ratio (23.4) and energy productivity (0.87 kg MJ-1) followed by INM and inorganic practice. Thus, transplanting method of rice establishment with INM approach is a viable management practice for improving productivity, profitability, nutrient uptake and energy efficiency of rice in rice-groundnut cropping system in coastal Odisha.","PeriodicalId":19618,"journal":{"name":"ORYZA- An International Journal on Rice","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81318546","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
Agronomical performances of doubled haploids derived through androgenesis of a quality rice hybrid 27P63 优质水稻杂交种27P63雄化获得双单倍体的农艺性状
ORYZA- An International Journal on Rice Pub Date : 2023-06-28 DOI: 10.35709/ory.2023.60.2.1
Snigdha Samir Pattnaik, Prachitara Rout, S. Bhuyan, B. Dash, R. Verma, Parmeswarn C, J. Katara, Sabarinathan S, B. Nayak, Narayanperumala Ramesh, S. Samantaray
{"title":"Agronomical performances of doubled haploids derived through androgenesis of a quality rice hybrid 27P63","authors":"Snigdha Samir Pattnaik, Prachitara Rout, S. Bhuyan, B. Dash, R. Verma, Parmeswarn C, J. Katara, Sabarinathan S, B. Nayak, Narayanperumala Ramesh, S. Samantaray","doi":"10.35709/ory.2023.60.2.1","DOIUrl":"https://doi.org/10.35709/ory.2023.60.2.1","url":null,"abstract":"Utilisation of the doubled haploid method presents a promising opportunity to achieve homozygosity in an efficient manner. The present study centred on the identification of potential doubled haploids for the assessment of various agronomic traits, including days to 50% flowering, plant height, number of tillers, panicle length, and grain yield across three distinct growing seasons. The results of the analysis of variance indicated that there were no statistically significant differences within the DHs, indicating homogeneity. However, there was a significant amount of variation observed between the DHs.The present study reports on various traits, including panicle length and number of tillers, which exhibited a coefficient of variation of 18.02% and 16.81%, respectively. Additionally, grain yield, plant height, and days to 50% flowering displayed a coefficient of variation of 20.06%, 18.40%, and 18.72%, respectively. In general, among the 21 DHs evaluated, 6 DHs displayed superior yield while 2 DHs demonstrated comparable yield to the parent hybrid across 3 consecutive seasons. DHs possessing potential yield traits have the potential to enhance rice productivity through their utilisation in breeding initiatives.","PeriodicalId":19618,"journal":{"name":"ORYZA- An International Journal on Rice","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87960921","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
Effect of high-temperature stress on rice grain quality 高温胁迫对稻米品质的影响
ORYZA- An International Journal on Rice Pub Date : 2023-06-28 DOI: 10.35709/ory.2023.60.2.13
D. S. Rao, N. Siromani, J. Poojitha, A. Sakhare, P. Raghuveer Rao, D. Subrahmanyam
{"title":"Effect of high-temperature stress on rice grain quality","authors":"D. S. Rao, N. Siromani, J. Poojitha, A. Sakhare, P. Raghuveer Rao, D. Subrahmanyam","doi":"10.35709/ory.2023.60.2.13","DOIUrl":"https://doi.org/10.35709/ory.2023.60.2.13","url":null,"abstract":"High-temperature stress (HS) due to global warming has become a serious threat to global food and nutritional security. Among the various agro-morphological and physiological changes observed in rice (Oryza Sativa L.) due to high-temperature sress, yield and grain quality are highly important and they vary among the germplasm. As reports on the effect of high-temperature stress on grain quality are less, rice grown under ambient as well as high-temperature conditions were subjected to important grain quality aspects to identify the least affected rice. Twenty-five entries were cultivated in two neighboring experimental plots, one for normal and the other for high-temperature stress (HS). High-temperature stress was imposed by enclosing the field-grown crop with a transparent polyethylene sheet supported by a metal frame at the onset of the reproductive phase. Temperature inside the above structure (treatment) as well as outside (control) was recorded until the crop was harvested. The mean minimum and maximum increase in temperatures were 0.67°C and 10.2°C respectively over the ambient conditions. After harvesting, all the paddy samples of both control and treatment were dried under shade and processed to brown rice which was manually separated into chalky and normal grains on a trans-illuminator. Further, total starch and protein contents were estimated separately in the chalky and normal grains of each sample. ANOVA indicated that temperature during the reproductive stage significantly (p<0.01) influenced the starch as well as protein contents. An increase in total starch content was observed in both normal and chalky grains under high-temperature stress. The difference in total starch amongst the genotypes was significant (p<0.01), however, the differences in total starch content between normal and chalky grain under both control and high-temperature stress condition was non-significant. Although the mean protein content for all the genotypes was not significantly affected in chalky and normal grains under control, it was reduced by >5% in chalky grains under high-temperature stress. Five entries noted £10% yield loss. Of these, IET29944 appears to be less affected in multiple parameters.","PeriodicalId":19618,"journal":{"name":"ORYZA- An International Journal on Rice","volume":"189 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81065701","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
Toxicity and resistance levels of phosphine against Tribolium castaneum (Herbst) and Sitophilus oryzae (L.) populations 磷化氢对木栗和米象的毒力及抗性水平
ORYZA- An International Journal on Rice Pub Date : 2023-06-28 DOI: 10.35709/ory.2023.60.2.6
S. Behera, S. Shaw, P. Rath, T. Adak, B. G, G. G, A. M, P. Pati, L. Mandol, N. Patil
{"title":"Toxicity and resistance levels of phosphine against Tribolium castaneum (Herbst) and Sitophilus oryzae (L.) populations","authors":"S. Behera, S. Shaw, P. Rath, T. Adak, B. G, G. G, A. M, P. Pati, L. Mandol, N. Patil","doi":"10.35709/ory.2023.60.2.6","DOIUrl":"https://doi.org/10.35709/ory.2023.60.2.6","url":null,"abstract":"The most destructive stored grain pests in India are the rust red flour beetle and the rice weevil. The most common method for controlling these two pests in storage is phosphine fumigation. However, frequent and acute or chronic doses of exposure than the recommended doses lead to the development of genetic and morphological resistance by changing their traits towards phosphine.Our recent study aimed to detect phosphine resistance degreesin T. castaneum and S. oryzae populations from twelve locations in Odisha. According to bioassay analysis, for S. oryzae after 24 hrs exposure period forphosphine gas to all the assessed populations, the LC50 value varied from 0.004 mg/l to 0.038 mg/l and the population of one location i.e., Chhata (Kendrapara) was found to have strong resistance to phosphine with 9.50 fold more resistant in comparison with the laboratory population. The phosphine toxicity levels for T. castaneum ranged from the LC50 values of 0.130 mg/l (Kendupali, Barghar) to 0.011 mg/l (Durgapali, Sambalpur), i.e., they were 13.00 and 1.10 times more resistant than the laboratory-susceptible population. It is possible that increasing resistance levels is due to storage structures are not tightly sealed during fumigation leading to sub-lethal phosphine concentration and lack of knowledge about fumigation procedures.","PeriodicalId":19618,"journal":{"name":"ORYZA- An International Journal on Rice","volume":"25 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73801249","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
Morpho-genetic characterization of black-husked small-grain aromatic rice landrace Kalojira of West Bengal 西孟加拉邦黑皮小粒香稻地方品种卡洛吉拉的形态遗传特征
ORYZA- An International Journal on Rice Pub Date : 2023-06-28 DOI: 10.35709/ory.2023.60.2.14
M. Ghosh, DM Pyngrope, Sripriya Das, B. Das, Koushik Roy, S. Banerjee, J. Gorain, Sutanu Sarkar, T. Ghose
{"title":"Morpho-genetic characterization of black-husked small-grain aromatic rice landrace Kalojira of West Bengal","authors":"M. Ghosh, DM Pyngrope, Sripriya Das, B. Das, Koushik Roy, S. Banerjee, J. Gorain, Sutanu Sarkar, T. Ghose","doi":"10.35709/ory.2023.60.2.14","DOIUrl":"https://doi.org/10.35709/ory.2023.60.2.14","url":null,"abstract":"The morpho-genetic characterization of Kalojira, a black-husked non-Basmati type scented rice landrace, was done at Bidhan Chandra Krishi Viswavidyalaya (BCKV), Kalyani, West Bengal, India during kharif (wet) season of 2013, 2014 for DUS test, followed by 2019 and 2020 for confirmation of recorded traits, and molecular study was conducted at Bose Institute, Kolkata. The long-statured plants (scale 7, 140-150 cm height) had less foliage and stiff culm with late heading (119±4 days) and late maturity (scale 7, 151±4 days). The bi-sexual flower of the genotype consisted of six yellow-coloured plump anthers and an ovary with white-coloured feathery stigma. The short-sized matured grain (4.9 mm) had black coloured lemma-palea without awn, purple sterile lemma and low test weight (13.1 g). The white-coloured short-bold type kernels (length 3.7 mm and width 2.1 mm) had low amylose content (18.0%), medium gelatinization temperature (alkali spreading value 3.1) and medium-strong aroma (score 2.4). The DNA-based study using 23 simple sequence repeat (SSR) markers revealed that four markers (RM 149, RM 339, RM 341 and RM 569) made greater genetic distances (276 vs. 247 bp, 180 vs. 143 bp, 141 vs. 175 bp, and 194 vs. 168 bp, respectively) between Kalojira and IR 36 in the investigation.","PeriodicalId":19618,"journal":{"name":"ORYZA- An International Journal on Rice","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79026108","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
Physiological and biochemical traits regulating preharvest sprouting resistance in rice 调控水稻采前发芽抗性的生理生化特性
ORYZA- An International Journal on Rice Pub Date : 2023-03-30 DOI: 10.35709/ory.2023.60.1.5
R. S. Raju, C. Sahoo, P. Hanjagi, Samal Kc, Devanna Bn, Manas Dash, Sushma M. Awaji, M. Baig
{"title":"Physiological and biochemical traits regulating preharvest sprouting resistance in rice","authors":"R. S. Raju, C. Sahoo, P. Hanjagi, Samal Kc, Devanna Bn, Manas Dash, Sushma M. Awaji, M. Baig","doi":"10.35709/ory.2023.60.1.5","DOIUrl":"https://doi.org/10.35709/ory.2023.60.1.5","url":null,"abstract":"In cereals, pre-harvest sprouting (PHS) or vivipary is a key physiological and agronomic trait that causes huge economic loss. PHS triggered by typhoons, cyclones, and high relative humidity at the late seed maturation stage is becoming a major threat to rice production in India. To explore the mechanism of PHS in rice, we evaluated 96 rice genotypes for PHS resistance and discovered 12 PHS resistant genotypes. These genotypes were classified into two groups susceptible and resistant, based on their phenotype. From the 96 genotypes, 16 contrasting genotypes were chosen, to unravel the underlying mechanism associated with PHS resistance. The results revealed that resistant genotypes had 0% germination at all the flowering stages (20 to 40 DAF), while susceptible genotypes had 4 to 87.5% germination from 20 to 40 DAF. In terms of pericarp color, 7 out of 8 resistant genotypes had red/pigmented pericarp color while the susceptible genotypes had white/non-pigmented pericarp color. The carotenoid content of leaves and seeds from 20 to 40 DAF was also measured and found to be significantly higher in resistant genotypes than susceptible genotypes. Carotenoids have been demonstrated to increase resistance by assisting in the synthesis of ABA and thereby seed dormancy. The 12 resistant genotypes were examined for germination to decide the duration of dormancy. The duration of dormancy varied in these 12 resistant genotypes varying from 10 days up to 40 days after harvest. These findings suggest that these novel PHS resistant genotypes (PB-68, HT-81, PB-50(1), HT-86, HT-20, Mahulata, PB-285, PB-47, NHN-279, PB-65, PB-259 and Budidhan) may be exploited as donors in the crop improvement programmes to generate PHS resistant genotypes.","PeriodicalId":19618,"journal":{"name":"ORYZA- An International Journal on Rice","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74421460","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
Multivariate analysis for evaluation of indigenous rice (Oryza sativa L.) accessions collected from Madhya Pradesh 中央邦本地水稻(Oryza sativa L.)资源评价的多变量分析
ORYZA- An International Journal on Rice Pub Date : 2023-03-30 DOI: 10.35709/ory.2023.60.1.4
{"title":"Multivariate analysis for evaluation of indigenous rice (Oryza sativa L.) accessions collected from Madhya Pradesh","authors":"","doi":"10.35709/ory.2023.60.1.4","DOIUrl":"https://doi.org/10.35709/ory.2023.60.1.4","url":null,"abstract":"Eighty indigenous rice genotypes were evaluated for twenty-nine quantitative and quality traits, planted in RCBD with three replications. The data on different characters were analyzed through Mahalanobis' generalized distance D2 (1936) and Principal Component Analysis for estimating genetic diversity and identification of superior rice genotypes. On the basis of genetic distance the 80 genotypes were grouped into 18 clusters following Tocher's method. Among them, five clusters contain more than one genotype, while thirteen clusters contain single genotype. The genotypes of cluster VIII and IX showed a higher (19816.1) inter cluster distance followed by cluster IV and VIII (12414.7). Cluster V has been discovered to have the largest intra-cluster distance. In order to increase the genetic diversity of rice, genotypes from these clusters may be crossed. On the basis of PCA findings, among all genotypes contributing their presence in more than one PC with high PC score only five genotypes viz., Biranjphool Shivram, Jeera Phool, Basmati Purani, Kardhana Baldev and Kailari Ram Madan confine with favourable yield as well as quality associated PCs, and had excellent remark for both the traits. These genotypes might be utilized in hybridization programme for the transfer of good yield as well as good quality traits in the recipient rice genotypes for the development of promising rice cultivars.","PeriodicalId":19618,"journal":{"name":"ORYZA- An International Journal on Rice","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91324894","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
Estimation of genetic variability, correlation and path analysis in elite rice genotypes (Oryza sativa L.) 水稻优良基因型的遗传变异、相关及通径分析
ORYZA- An International Journal on Rice Pub Date : 2023-03-30 DOI: 10.35709/ory.2023.60.1.3
Shikha Kumari, S. Sinha, Satyendra, V. Kumar, R. Singh, Amit Kumar, Ravindra Kumar, Snehanshu Singh
{"title":"Estimation of genetic variability, correlation and path analysis in elite rice genotypes (Oryza sativa L.)","authors":"Shikha Kumari, S. Sinha, Satyendra, V. Kumar, R. Singh, Amit Kumar, Ravindra Kumar, Snehanshu Singh","doi":"10.35709/ory.2023.60.1.3","DOIUrl":"https://doi.org/10.35709/ory.2023.60.1.3","url":null,"abstract":"A trial was carried out to explore the variability and correlation among thirty five rice (Oryza sativa L.) germplasm for fifteen characters, during kharif 2017-18 at Bihar Agricultural University, Sabour, (Bihar). Analysis of variance revealed significant differences among all the genotypes and for all fifteen characters, which reflects that considerable amount of variability, were present in the genotypes. Two genotypes LPD104-B-B-1-8-2-1-1and RP5124-11-6-2 were identified as the superior genotypes for yield. The highest magnitude of genotypic coefficient of variation was recorded for length breadth ratio of rice grain, however highest phenotypic coefficients of variation were recorded for grain yield per plant followed by kernel length. High heritability coupled with high genetic advance as per cent mean was observed for kernel length and length breadth ratio. In this experiment grain yield per plant had positive and significant association with biological yield per plant, days to 50 per cent flowering, days to maturity, while remaining characters had non-significant association with yield. Path coefficient analysis revealed that the biological yield per plant, harvest index and kernel length had high positive direct effects on grain yield per plant indicating true relationship of these characters with grain yield. Therefore, these traits could be considered in rice improvement programme.","PeriodicalId":19618,"journal":{"name":"ORYZA- An International Journal on Rice","volume":"7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81412599","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
Zinc fertilizer application improves growth, yield and profit of paddy (Oryza sativa L.) in a zinc deficient Inceptisol 锌肥对水稻生长、产量和利润的促进作用
ORYZA- An International Journal on Rice Pub Date : 2023-03-30 DOI: 10.35709/ory.2023.60.1.11
Swati Sucharita, S. Rautaray, M. Satapathy, R. Nayak
{"title":"Zinc fertilizer application improves growth, yield and profit of paddy (Oryza sativa L.) in a zinc deficient Inceptisol","authors":"Swati Sucharita, S. Rautaray, M. Satapathy, R. Nayak","doi":"10.35709/ory.2023.60.1.11","DOIUrl":"https://doi.org/10.35709/ory.2023.60.1.11","url":null,"abstract":"A field experiment was conducted at the Central Farm, Regional Research and Technology Transfer Station of Coastal Zone, OUAT Bhubaneswar in kharif 2021 to study the effect of zinc fertilizer application on growth, yield and income of rice in a zinc (Zn) deficient soil. The soil was sandy loam, acidic (pH 5.4), medium in organic carbon (0.61%) and available P (10.3 kg ha-1) while low in available N (155.4 kg ha-1) and K (82.1 kg ha-1). Eight treatment combinations comprising rate, source and method of Zn application were laid out in a randomized block design with 3 replications. The results revealed that soil application of Zn 5 kg ha-1 as basal followed by foliar spray of Zn @ 0.1% produced highest LAI (3.87), dry matter production (25.9 g hill-1), panicles m-2 (315.8), test weight (22.76 g), grain yield (4937 kg ha-1), and zinc content in grain (39.48 mg kg-1) and straw (55.87mg kg-1). However, application of Zn @ 5 kg ha-1 alone was at par with the soil application followed by foliar spray. Hence, it is concluded that soil application of Zn 5 kg ha-1 at the time of final land preparation along with the soil test based NPK is optimum for higher productivity and profitability of rice in zinc deficient Inceptisol.","PeriodicalId":19618,"journal":{"name":"ORYZA- An International Journal on Rice","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73484028","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
Effect of different nutrient management practices on nutrient availability and uptake in Vaikom kari soils of Kuttanad, Kerala 不同养分管理措施对喀拉拉邦库塔纳德Vaikom kari土壤养分有效性和吸收的影响
ORYZA- An International Journal on Rice Pub Date : 2023-03-30 DOI: 10.35709/ory.2023.60.1.13
Devi Vs
{"title":"Effect of different nutrient management practices on nutrient availability and uptake in Vaikom kari soils of Kuttanad, Kerala","authors":"Devi Vs","doi":"10.35709/ory.2023.60.1.13","DOIUrl":"https://doi.org/10.35709/ory.2023.60.1.13","url":null,"abstract":"A field experiment was laid out in RBD with 16 treatments in three replications with rice variety Uma. The treatments were dolomite, lime + MgSO4 or Rice Husk Ash (RHA) + MgSO4 along with 100% package of practice recommendations of Kerala Agricultural University (POP) alone or with 100% POP + foliar spray of 13:0:45 (1%) or borax (0.5%) or 13:0:45 + borax at PI stage. Lime + MgSO4 + 75% POP + 13:0:45 + borax as well as lime without MgSO4 + 100% POP combined with 13:0:45 or borax or both were also included as treatments. The treatment dolomite + POP + 13:0:45 produced the highest grain yield of 5.42 and 5.57 t ha-1 during 2015 and 2016 respectively. This treatment was followed by dolomite + POP + 13:0:45 + borax and lime + POP + MgSO4 + 13:0:45 during both the years. Lower yields were produced by the treatments involving RHA and 75% POP. The pooled analysis of two years' data also proved the significance of the treatments involving dolomite + POP or lime + POP + MgSO4 on grain yield. The highest yield of 5.49 t ha-1 was recorded by dolomite + POP + 13:0:45 followed by dolomite + POP + 13:0:45 + borax and lime + MgSO4 + POP + 13:0:45. The treatments involving RHA and 75% POP registered significantly lower grain yield in the pooled data. The treatments involving dolomite registered lower status of soil available Fe and higher status of available Mn and B. Higher status of available Zn was registered by the treatments involving dolomite or lime + MgSO4. The treatments involving dolomite, lime + MgSO4 or RHA + MgSO4 along with POP registered higher available Cu in the soil. Dolomite treatments recorded lower status of Na and exchangeable Al in the soil. Dolomite or lime + MgSO4 along with POP + 13:0:45 with or without borax registered higher uptake of Fe, Mn and Zn while dolomite + POP + 13:0:45 with or without borax recorded higher uptake of Cu and B. The treatments involving RHA and 75% POP recorded lower uptake of micronutrients during both the years. Uptake of Na was the highest with RHA + POP + MgSO4 + 13:0:45 during first year and with dolomite + POP during second year. Higher Al uptake was observed with lime + POP + 13:0:45 with or without MgSO4. The grain yield was significantly and positively correlated with the uptake of Mn, Zn, Cu and B and significantly and negatively correlated with Fe during the first year. During the second year, the yield was significantly and positively correlated with uptake of nutrients except Na and Al. The results indicated that amelioration of soil acidity is a crucial management practice for improving the availability and uptake of nutrients resulting in higher yield.","PeriodicalId":19618,"journal":{"name":"ORYZA- An International Journal on Rice","volume":"44 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88362228","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}
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