Effective tillers

A field experiment was conducted in the Instructional Cum Research (ICR) Farm of Assam Agricultural University, Jorhat, Assam during autumn season of 2017. The experiment was laid out in a split-plot design with three replications.

6p trinhthamhodang11 27-04-2021 7 1   Download

The study has revealed that there is a sufficient potential increasing wheat production in Madhya Pradesh by provides quality seeds of improved variety, balance dose of fertilizers and awareness of irrigation schedules of wheat crop.

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A field experiment was conducted during kharif 2009 at the Crop Research Farm, Department of Agronomy, Naini Agricultural Institute, Sam Higginbottom University of Agriculture, Technology & Sciences, Allahabad, Uttar Pradesh, India to study the effect of different spilt doses of nitrogen (N), Leaf Colour Chart (LCC) based nitrogen management on growth and yield of transplanted rice. Nitrogen management practices were consisted of application of 150 kg N ha-1 in different split doses (Two equal splits – 1/2 at basal, 1/2 at active tillering...

6p trinhthamhodang1218 26-02-2021 6 1   Download

A field experiment was conducted in kharif season of 2015 to investigate the influence of silicon solublizer on different rice genotypes namely PA-6129, PA-6201, PA-6444, PHB71, US-312, and BPT-5204. Soil application of silicon solubilizers was given at the time of maximum tillering, panicle initiation and 50% flowering stage. The experiment was arranged as split plot design with three treatments and three replications.

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A field experiment was conducted during 2013-14 at Agricultural Experimental Farm of Calcutta University at Baraipur, 24-Paraganas (south), Kolkata to study the effect of micronutrient on yield and yield attributes of hybrid rice under boro cultivation in lower gangetic alluvial zone. NPK (40/120:60:60) + ZnSO4 + Ammonium molybdate + Disodium-tetrahydrateoctaborate as foliar application at active tillering stage and panicle initiation stage respectively of hybrid rice crop growth have profound influence on the yield parameters such as grain yield (6.54t/ha), straw yield (6.

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Field studies were conducted on application of zinc and boron to summer rice crop on Alfisols at Naganahalli village, Mysore district, Karnataka. The results showed that external application of zinc as ZnSO4 @ 20 kg ha-1 and boron as borax @ 4 kg ha-1 significantly enhanced the plant height number of tillers hill-1 , grains per panicle, thousand grain weight, grain yield and straw yield of paddy. Further there was significant increase in major (N, P and K), secondary (S, Ca and Mg) and micronutrient (Zn, Cu, Fe, Mn and B) status of soils.

12p gaocaolon9 22-12-2020 11 2   Download

The experiment was carried out to explore correlation and path coefficient analysis in 48 rice genotypes for nine characters viz., days to first flower, plant height, number of tillers per plant, number of panicles per plant, number of grains per panicle, panicle length, thousand grain weight, grain L/B ratio and grain yield per plant. The genotypic correlation coefficients showed higher magnitude than phenotypic correlation coefficients which indicated masking or modifying effect of environment.

7p caygaocaolon8 07-11-2020 19 1   Download

The experiment was laid out in split plot design with two factors namely, tillage practices and different conservation farming split with three replications. The treatment consisted of three tillage practices viz. T1- Conventional tillage, T2 –Minimum tillage and T3 – Summer plouging and five conservation farming viz. C1-Opening conservation, C2- Intercropping with redgram, C3-Mulching, C4-Herbicide application, C5-Combination of all treatments (C1+C2+C3+C4). Observations of crops are analyzed in Split plot design having three replications.

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Field experiment was conducted at wetland of Agricultural College and Research Institute, Madurai, during the kharif and rabi season of 2016-17 to study the effect of age of seedling and split application of nitrogen in machine transplanted rice.

7p trinhthamhodang1215 23-09-2020 9 1   Download

The study was conducted to evaluate effect of wet direct seeded rice on growth parameters, no of tillers and dry matter production of rice and weed density and dry matter accumulation of weeds.

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A field trial was conducted to investigate the effect of spatial distribution and different levels of nitrogen on growth of hybrid rice variety PA 6201, comprising of 16 different treatments using randomized complete block design with three replications at agronomy research farm of Narendra Deva University of Agriculture and Technology, Faizabad (U.P.), India during the season of Kharif in the year 2012. It was found that the spacing of 20×15 cm was found significantly superior over other geometric configurations and at par with closer spacing 20×10 cm for the entire growth characteristics.

10p trinhthamhodang7 31-08-2020 30 1   Download

The objective this study was to effect of gene effects for some agronomical traits (plant height, number of effective tillers per plant, number of spikelet per spike, number of seeds per plant, seed yield and biological yield) of Cross I CG1608 (HI 1544 x GW 2013-513) and Cross II CG 1639 (RAJ 4270 x GW 366) The experimental material comprising of six generations ( P1 , P2 , F1 , F2 , BC1 and BC2 ) of wheat crosses was planted during rabi 2018-19 in randomized block design of two replication under irrigated condition at All India Co-ordinated Wheat and Barley Improvement Project at B.T.

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Genetic variability, heritability, correlation and path analysis were estimated among 59 accessions of 08 quantitative characters in durum wheat. The highest value of GCV and PCV were observed for grain yield per plot, tillers per meter row length, spike length, grains per spike and test grain weight. It is also observed that the traits like grain yield per plot, tillers per meter row length, grains per spike and test grain weight exhibited high GCV also possesses high genetic gain indicating preponderance of additive gene effect for these traits.

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The exploitation of yield potential through inter sub specific (inter-racial) hybridization become a challenging task for rice breeders. Grain yield improvement is considered to be prime objective of any breeding programme, quality traits are yet another important consideration of rice breeding in India. Association of yield and yield components and among grain quality traits thus assumes a unique prominence as the basis for selecting desirable high yielding genotypes with good grain quality characters.

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Genotype R-RHZ-7 recorded highest number of tillers, panicle and grain while Genotype R-RHZ-MI-30 recorded maximum filled grain and straw yield as compared to other genotype. High fertility levels F3 (140:70:50 N, P and K kg ha-1 ) recorded maximum yield attribute and yield as compared to other fertility levels. Closer plant geometry S1 (15X10 cm) recorded maximum grain and straw yield where wider plant geometry S2 (20X10 cm) recorded maximum tiller and panicle.

6p angicungduoc6 22-07-2020 12 1   Download

A field experiment was conducted during kharif 2012 to evaluate the efficacy of different pre and post emergence herbicides in direct seeded rice. The chemical treatments included two pre-emergence herbicides namely pendimethalin 1000 g/ha and oxadiargyl 100 g/ha and four post-emergence herbicides viz. bispyribac-sodium 25 g/ha, fenoxaprop 67 g/ha, ethoxysulfuron 18.75 g/ha and chlorimuron-ethyl +metsulfuron-methyl RM 4 g/ha at 25 DAS. Weed free and weedy check were also included.

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Sixteen genotypes of ginger collected from different parts of the country were evaluated in randomized block design with two replications during kharif 2014. The results on correlation and path analysis revealed high positive and significant association of fresh rhizome yield per hectare with characters viz.

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The aim of this study was the calibration and validation of DSSAT model (v4.5) for late sown wheat in western zone of Haryana. The DSSAT model was calibrated with the field experimental data of rabi 2010-11 having 3 levels of irrigation (one irrigation at crown root initiation [CRI], two irrigations at CRI and heading and four irrigations at CRI, late tillering, heading and milking) and 5 nitrogen levels (0, 50, 100, 150 and 200 kg N/ha) and validated with data of experiment rabi 2011-12 conducted at Hisar (29°10ˈ N and 75°46ˈ E).

10p kethamoi6 29-06-2020 31 1   Download

A field experiment was conducted to investigate the methods of cultivation and optimization of nitrogen requirement of rice crop in coastal alluvial soils, Karaikal, Pondicherry, India. Experiment was laid out in a split plot design with methods of rice cultivation as main plot treatment consisted of System of Rice Intensification (SRI), Integrated Crop Management (ICM), Line Planting (LP) and Random Planting (RP) and nitrogen managements strategies as subplot treatment consisted of without nitrogen as control, blanket recommendation, LCC 4, LCC 5, SPAD 35 and SPAD 37.

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To standardize the nitrogen scheduling in DSR, a field was conducted with different Basmati rice varieties with different nitrogen rates and splits at CCS Haryana Agricultural University, Regional Research Station at Karnal, India during rainy kharif seasons of 2014 and 2015. Nitrogen had significant positive effect on basmati rice crop resulting in improvement in plant height, number of tillers and effective tillers, grains/panicle, panicle length, 1000-grain weight, grain yield and straw yield with increase in dose from 90 to 100 and 110 kg ha-1 in succession.

8p chauchaungayxua6 26-06-2020 15 1   Download