scholarly journals Evaluation of chemical composition of roots of three sugar beets varieties growing under different water deficit and harvesting dates in Upper Egypt

2022 ◽  
Vol 11 (1) ◽  
pp. 1-10 ◽  
Author(s):  
Omar M. Yassin ◽  
Saleh M. Ismail ◽  
M.A. Gameh ◽  
F. A. F. Khalil ◽  
Ezzat M. Ahmed
Keyword(s):  
Chemical Composition ◽  
Sugar Beet ◽  
Water Supply ◽  
Irrigation Water ◽  
Deficit Irrigation ◽  
Field Experiments ◽  
Agricultural Research ◽  
Block Design ◽  
Research Station ◽  
Sugar Beets

Field experiments were carried out at Shandaweel Agricultural Research Station, Sohag, Egypt to study the effects of deficit irrigation and harvesting date chemical composition of three sugar beet varieties. A split block design with three replications was used. Main blokes were assigned to three irrigation water regimes (100%, 85%, and 70% of water requirement). The sub blot was occupied by three harvesting dates (180, 195 and 210 days). Sub- sub plots comprised three sugar beet varieties namely (RAVEL, SV1841and SA1686). Results indicated that reducing water supply reduced alpha - amino N present in the second season, Na present in the second season, and K present and sugar lost to molasses, but increased sucrose present, extractable present, QZ present, purity present, extractability present. Increasing harvesting date increased K present, sucrose present, extractable present, QZ present, purity present, extractability present but reduced alpha - amino N present, Na present and sugar lost to molasses in the second season. Sucrose present, extractable present, QZ present purity present and extractability present of RAVEL and SA1686 varieties were almost comparable but higher than those of SV1841 variety.

scholarly journals Management of Pod fly, Melanagromyza obtusa on Pigeonpea (Cajanus cajan L.)

2020 ◽  
Author(s):  
M. Sreekanth ◽  
M. Seshamahalakshmi ◽  
M. V. Ramana
Keyword(s):  
Grain Yield ◽  
Field Experiments ◽  
Agricultural Research ◽  
Block Design ◽  
Cost Benefit ◽  
Field Studies ◽  
Research Station ◽  
Benefit Ratio ◽  
Grain Damage ◽  
Cost Benefit Ratio

Background: Pod fly, Melanagromyza obtusa is one of the most obnoxious pest causing grain damage ranging from 10-80% with a monitory loss of US$ 256 million annually. Being an internal feeder, infested pods do not show any external symptoms of damage until the fully grown maggots chew the pod wall, leaving a thin papery membrane intact called as window, through which adults exit from the pod. Several field studies were conducted to determine the efficacy of insecticides for the control of pod fly. However, these findings did not find acceptability and led to partial success. Insecticides that should leave lesser residues and pose lesser environmental threat have become imperative. The present study aimed to evaluate the efficacy of certain new insecticide molecules against pod fly in pigeonpea ecosystem. Methods: Two field experiments were conducted at Regional Agricultural Research Station, Lam, Guntur during Kharif, 2012 and 2013 in a randomized block design (RBD) using pigeonpea cv. ICPL 85063 (Lakshmi) with 17 treatments including untreated control and 3 replications. Two sprays were given at 10 days interval starting from pod initiation stage. At maturity, number of pods showing pod fly damage were recorded and expressed as percentage. Grain yield was recorded and cost–benefit ratio was worked out. Result: Among different insecticides, thiacloprid 21.7 SC, followed by diafenthiuron 50 WP, flubendiamide 480 SC and dimethoate 30 EC were very effective against pod fly with more grain yield and registered highest incremental cost benefit ratio (ICBR). It was further suggested that effective insecticides may be alternated in order to avoid development of resistance to pod fly in pigeonpea.

scholarly journals Evaluating Sheath Blight Resistance in Rice Using Detached Tiller and Field Screening Method

2016 ◽  
Vol 1 ◽  
pp. 1-8 ◽  
Author(s):  
Bedanand Chaudhary
Keyword(s):  
Field Experiments ◽  
Agricultural Research ◽  
Disease Incidence ◽  
Block Design ◽  
Screening Method ◽  
Sheath Blight ◽  
Research Station ◽  
Rice Varieties ◽  
Progress Curve ◽  
Rice Genotypes

In present study physical resistance test on 12 rice varieties against sheath blight (ShB) caused by Rhizoctonia solani was examined. A detached tiller test was used to measure components of ShB physiological resistance at Regional Agricultural Research Station (RARS), Tarahara, Nepal. The varieties were evaluated in a randomized complete block design (RCBD) with 3 replications in year 2010-12. A sclerotium was inserted below the leaf collar of individual tillers maintained in tubes filled with water. Only the 56-day old susceptible plants were inoculated. After 7 days of inoculation, number of lesions, dead leaves, vertical sheath colonization and disease severity were measured. In 2011, field experiments were conducted with three replications to address morphological resistance in 28 rice genotypes. Disease incidence was recorded on 14, 21 and 28 days after inoculation. The number of dead leaves differed only numerically while disease variables significantly (P=0.004) varied among varieties. The other variables were highly correlated with each other. Cluster analysis of variables formed three varietal groups; Sabitri with lowest, and Jasmine-85 and Betichikon having highest values. Rice genotypes differed significantly (P=0.05) for disease incidence and area Under Disease Progress Curve (AUDPC). Tetep and IAC-165 had the lowest and highest terminal disease incidences and AUDPC, respectively. Sabitri, MTU-1010 and IR-26 recorded lower AUDPC values. Hence, Tetep and Sabitri could be used as donors in hybridization and their plant morphology could be considered as selection guide for improving ShB resistance in rice.Journal of Nepal Agricultural Research Council Vol.1 2015 pp.1-8

scholarly journals Response of zinc application on growth, zinc content and grain yield of rice genotypes and correlation between zinc content and yield attributes of rice genotypes

2018 ◽  
Author(s):  
Venkatesh Dore ◽  
R.V. Koti ◽  
K.K. Math
Keyword(s):  
Grain Yield ◽  
Field Experiments ◽  
Agricultural Research ◽  
Foliar Application ◽  
Block Design ◽  
Foliar Spray ◽  
Zinc Content ◽  
Research Station ◽  
Yield Attributes ◽  
Rice Genotypes

Field experiments were conducted during kharif 2013 and 2014 at Agricultural Research Station, Mugad, University of Agricultural Sciences (UAS), Dharwad (Karnataka), to determine the response of zinc applicationon on growth, zinc content and grain yield of rice genotypes and also studied correlation between yield and zinc content. The experiment was comprised of 20 genotypes and three treatments viz., T1: Control (no zinc); T2: Soil application of ZnSO4 (20 kg ha-1) T3– Foliar Spray of ZnSO4 @ 0.5% at 50% flowering, laid out in factorial randomized block design with two replications. The data revealed that application of ZnSO4 recorded significantly higher plant height (85.9 cm), leaf area (764.5 cm-2 plant-1), number of tillers (95.4 m-1), total dry weight (26.1 g plant-1), panicle weight(15.3 g plant-1), number of panicles (81.6 m-1) and grain yield(3966 kg ha-1) over the foliar application of Zn and control . However number of grains panicle-1 (97.8 panicle-1), test weight (23.7 g), shoot and seed zinc content (15.9 and 21.2 ppm, respectively) were increased with foliar application of Zn. Correlation studies classified the genotypes as high seed zinc content (> 21 ppm) and low seed zinc content genotypes ( less than 21 ppm). High and low seed zinc content genotypes showed negative correlation with yield and yield attributes. However, shoot zinc content was positively correlated with yield.

scholarly journals Deficit Irrigation Effects on Cabbage (Brassicaceae Oleracea var. capitata L. Grandslam F1) Yield in Unheated Greenhouse Condition

2018 ◽  
Vol 6 (9) ◽  
pp. 1251
Author(s):  
Hakan Büyükcangaz
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Irrigation Water ◽  
Deficit Irrigation ◽  
Agricultural Research ◽  
Yield Response ◽  
Research Station ◽  
Greenhouse Condition ◽  
Irrigation Level ◽  
Use Efficiency

The aim of this study was to determine the effect of deficit irrigation on yield for cabbage grown under unheated greenhouse condition. The research was carried out at the Agricultural Research Station of Yenişehir High School of Uludağ University in Bursa, Turkey, in 2008. In the study, water was applied to cabbage as 1.00, 0.75, 0.50, 0.25 and 0.00% (as control) of evaporation from a Class A Pan corresponding to 2 day irrigation frequency. Irrigation water applied ranged from 70 to 520 mm and water consumption ranged from 90 to 548 mm. The effect of irrigation water level on the yield, head height, head diameter, head weight and dry matter were found to be significant. The highest yield was 72.8 t ha-1. Crop yield response factor for cabbage (ky) was found as 1.036. The highest values of water use efficiency (WUE) and irrigation water use efficiency (IWUE) for 2008 year of K2cp treatment was calculated to be 0.143 kg m-3 and 0.137 kg m-3, respectively. K2cp application (75%) can be recommended as the most effective irrigation level for the cabbage to which drip irrigation is applied under scarce and unheated greenhouse conditions.

Effect of nutrient management on yields, economics and nutrient content and their uptake of soybean (Glyscine max L.) under rainfed conditions

2018 ◽  
Vol 5 (02) ◽  
Author(s):  
I. S. TOMAR ◽  
R. K. YADAV ◽  
R. K. TRIPATHI ◽  
MAHENDER SINGH ◽  
JAGDEESH MORYA ◽  
...  
Keyword(s):  
Production Efficiency ◽  
Management Practices ◽  
Field Experiments ◽  
Nutrient Management ◽  
Agricultural Research ◽  
Block Design ◽  
Nutrient Content ◽  
Research Station ◽  
Rainfed Condition ◽  
Randomized Block Design

The field experiments were conducted during kharif2013, 2014 and 2015 at Research Farm of Zonal Agricultural Research Station, Jhabua to study the effect of nutrient management practices on yields, nutrient content and economics of the soybean grown under rainfed condition of Jhabuahill. The experiment laid out in randomized block design with nine nutrient levels viz., T1-control, T2- vermicompost (5t/ha), T3-FYM (10 t/ha), T4-Recommended dose of fertilizers (RDF=20 N: 30 P2O5: 20 K2O kg/ha), T5-50% RDF + Rhizobium + PSB, T6- 50% RDF + 50% vermicompost, T7-50% RDF + 25% vermicompost + Rhizobium + PSB, T8- Rhizobium culture + PSB and T9- 50% vermicompost + Rhizobium + PSB. Results revealed that application of application of 50% RDF + 50% vermicompost(T6) gave significantly highest seed yield (22.62 q/ha), straw yield (23.86 q/ha), biological yield (46.48), gross return (Rs. 69,230/ha), net return (Rs. 49,571/ha), production efficiency (20.56 kg/ha/day) and economic efficiency (450.64 Rs./ha/day) as compared to control. Whereas maximum B:C ratio (3.84) was recorded in 100% RDF followed by vermicompost @ 5 t/ha. Similarly, higher nutrient content (N, P and K) in seed as well as straw and their uptake were recorded under 50% RDF + 50% vermicompost. The highest protein content (41.99%) and protein yield (94,864 kg/ha) was also observed with the application of 50% RDF + 50% vermicompost. Hence, application of 50% RDF + 50% vermicompost better for obtain higher yields, economics and nutrient content and their uptake of soybean under rainfed condition of Jhabuahill of Madhya Pradesh

Evaluate the establishment techniques on growth and yield of rice

2016 ◽  
Vol 36 (2) ◽  
Author(s):  
N. Senthil Kumar
Keyword(s):  
Grain Yield ◽  
Tamil Nadu ◽  
Field Experiments ◽  
Agricultural Research ◽  
Block Design ◽  
Growth And Yield ◽  
Research Station ◽  
Straw Yield ◽  
Randomized Block Design ◽  
Matter Production

Field experiments were conducted at Agricultural Research Station, Thirupathisaram, Tamil Nadu during <italic>kharif</italic> and <italic>rabi</italic> seasons of 2011-12 to evaluate the different establishment techniques on growth and yield of rice. The experiment was laid out in a randomized block design with four replications. The treatment structure comprises of wet seeding, drum seeding, random transplanting, line planting, SRI square planting and SRI machine planting. Among the different establishment techniques, SRI machine planting significantly influenced the growth and yield characters and yield and which was on par with SRI square planting. The maximum plant height, number of tillers hill<sup>−1</sup>, LAI, dry matter production, number of panicles m<sup>−2</sup>, number of grains panicle<sup>−1</sup>, panicle length, grain yield and straw yield were recorded under SRI machine planting during <italic>kharif</italic> and <italic>rabi</italic>. The lowest grain yield and straw yield were recorded under wet seeding during both <italic>kharif</italic> and <italic>rabi</italic>.

scholarly journals Nutrient Management for Higher Productivity of Swarna Sub1 under Flash Floods Areas

2020 ◽  
Vol 6 ◽  
pp. 101-114
Author(s):  
Sarita Manandhar ◽  
Bedanand Chaudhary ◽  
Ashish K. Srivastava ◽  
Sudhanshu Singh ◽  
Uma Shankar Singh ◽  
...  
Keyword(s):  
Grain Yield ◽  
Field Experiments ◽  
Agricultural Research ◽  
Flash Flood ◽  
Block Design ◽  
Flash Floods ◽  
Growth And Yield ◽  
Research Station ◽  
Higher Plant ◽  
Plant Survival

Two field experiments were conducted at Regional Agricultural Research Station, Tarahara, Nepal during 2012 and 2013 to determine the effect of agronomic management on growth and yield of Swarna Sub1 under flash floods. The first experiment was laid out in a split plot design with three replications; and four different nutrient combinations at nursery as main plots and three age groups of rice seedlings as sub plots. The second experiment was laid out in a randomized complete block design and replicated thrice; with three post flood nutrient doses at six and 12 days after de-submergence (dad). The experiments were complete submerged at 10 days after transplanting for 12 days. The survival percentage, at 21 dad, was significantly higher in plots planted with 35 (90.25%) and 40 (91.58%) days-old seedlings compared to 30 days-old seedlings (81.75%). Plots with 35 days-old seedlings produced 5.15 t ha-1 with advantage of 18.83% over 30 days-old seedlings. Plots with 100-50-50 kg N-P2O5-K2O/ha at nursery recorded the highest grain filling of 79.41% and grain yield of 5.068 t/ha with more benefit. Post flood application of 20-20 N-K20kg/ha at 6 dad resulted in higher plant survival and taller plants, leading to significantly higher grain yield of 5.183 t/ha and straw yield of 5.315 t/ha. Hence, 35-40 days old seedlings raised with 100-50-50 kg N-P2O5-K2O /ha in nursery and the additional application of20-20 kg N-K2O /ha at 6 dad improved plant survival and enhanced yield of Swarna Sub1 under flash flood conditions. The practice has prospects of saving crop loss with getting rice yield above national average yield leading to enhanced food security in the flood prone areas of Nepal.

scholarly journals Response of Sugar Beet to Graded Levels of Nitrogen, Phosphorous and Potash on Nutrient Uptake and Economics

2019 ◽  
pp. 1-9
Author(s):  
Kumar D. Lamani ◽  
S. I. Halikatti
Keyword(s):  
Sugar Beet ◽  
Agricultural Research ◽  
Block Design ◽  
Research Station ◽  
Net Returns ◽  
Yield And Quality ◽  
Concept Application ◽  
Phosphorus And Potassium ◽  
Nitrogen Phosphorus

Field experiment was undertaken during 2005-06 to 2006-07 to study the various agro-techniques for sugar beet cultivation for Northern Karnataka at Agricultural Research Station, Bailhongal, Belgaum district (Karnataka) under irrigated condition. The experiment consisted of 28 treatment combinations comprising of graded levels of nitrogen, phosphorus and potassium. Design of the experiment was randamized block design with factorial concept. Application of 180, 90 and 120 kg ha-1 of nitrogen, phosphorus and potassium, respectively registered significantly higher nitrogen, phosphorus and potassium uptake by sugar beet compared to other levels of nutrient. The same dose of nutrient application also improved gross returns and net returns. Farmers can adopt application of 180, 90 and 120 kg ha-1 of nitrogen, phosphorus and potassium, respectively for getting higher yield and quality of the crop.

Effect of Gibberllic acid on Growth, Yield and Economics of Maize (Zea mays L.)

2018 ◽  
Vol 5 (01) ◽  
Author(s):  
MAHENDER S. SINGH ◽  
NARENDRA KUMAWAT ◽  
I. S. TOMAR ◽  
T S. DUDWE ◽  
R. K. YADAV ◽  
...  
Keyword(s):  
Gibberellic Acid ◽  
Grain Yield ◽  
Plant Height ◽  
Field Experiments ◽  
Agricultural Research ◽  
Foliar Application ◽  
Block Design ◽  
Research Station ◽  
Yield Attributes ◽  
Stover Yield

The aim of present investigation was to study the effect of foliar application of gibberellic acid (Progibb 40% WSG) spraying at 4-5 leaves stage of the maize crop. Two field experiments were conducted during kharif 2014 and rabi 2014-15 at Research Farm, Zonal Agricultural Research Station, Jhabua. Seven treatments (T = 20, T 30, T 40, T 50 T 60 gibberellic acid g/ha, Tricontanol 1 2= 3= 4 = 5= 0.1%= 250 ml/ha and control) were tested in randomized block design with three replications. Results showed that variation in different doses of gibberellic acid had significant effect on growth character (plant height and silking) and yield attributes (no. of cobs/plant, cob length, no. of grains/cob and cob weight/cob); grain yield and stover yield of maize in both the seasons. Higher values of plant height (197.33 and 205.5 cm) and silking (53.67 and 54.67) was recorded with the spraying of gibberellic acid @ 60 g/ha in both the seasons, respectively. Similarly the higher yield attributes viz., no. of cobs/plant (1.48 and 1.49), cob length (17.40 and 17.78 cm), no. of grains/cob (443.33 and 456.67) and cob weight/cob (93.2 and 97.32) were recorded with the application of gibberellic acid @ 50 g/ha in both the seasons, respectively. Application of gibberellic acid @ 50 g/ha produced highest grain yield (3522 and 4277 kg/ha) and stover yield (51.05 and 5413 kg/ha) which was statistically at par with doses of 40 g/ha, 60 g/ha and tricontanol 0.1% @ 250 ml. The maximum gross return (Rs. 56,347 and 65,854), net return (37,722 and 47,229), B: C ratio (3.03 and 3.54), production efficiency (32.49 and 37.19 kg/ha/day) and economic efficiency (339.84 and 410.69 Rs./ha/day) recorded with gibberellic acid @ 50 g/ha. Enhancing of production, productivity and profitability of maize under Jhabua Hill of Madhya Pradesh gibberellic acid applied @ 50 g/ha at 4-5 leaf stage of crop.

scholarly journals Control of Volunteer Glyphosate-Resistant Canola in Glyphosate-Resistant Sugar Beet

2015 ◽  
Vol 29 (1) ◽  
pp. 93-100 ◽  
Author(s):  
Vipan Kumar ◽  
Prashant Jha
Keyword(s):  
Sugar Beet ◽  
Field Experiments ◽  
Agricultural Research ◽  
Effective Control ◽  
Additional Advantage ◽  
Leaf Stage ◽  
Beet Root ◽  
Control Volunteer ◽  
Sugar Beet Root ◽  
Herbicide Programs

Occurrence of glyphosate-resistant (GR) canola volunteers in GR sugar beet is a management concern for growers in the Northern Great Plains. Field experiments were conducted at the Southern Agricultural Research Center near Huntley, MT, in 2011 and 2012 to evaluate effective herbicide programs to control volunteer GR canola in GR sugar beet. Single POST application of triflusulfuron methyl alone at the two-leaf stage of sugar beet was more effective at 35 compared with 17.5 g ai ha−1. However, rate differences were not evident when triflusulfuron methyl was applied as a sequential POST (two-leaf followed by [fb] six-leaf stage of sugar beet) program (17.5 fb 17.5 or 35 fb 35 g ha−1). Volunteer GR canola plants in the sequential POST triflusulfuron methyl–containing treatments produced little biomass (11 to 15% of nontreated plots) but a significant amount of seeds (160 to 661 seeds m−2). Ethofumesate (4,200 g ai ha−1) PRE followed by sequential POST triflusulfuron methyl (17.5 or 35 g ha−1) provided effective control (94 to 98% at 30 d after treatment [DAT]), biomass reduction (97%), and seed prevention of volunteer GR canola. There was no additional advantage of adding either desmedipham + phenmedipham + ethofumesate premix (44.7 g ha−1) or ethofumesate (140 g ha−1) to the sequential POST triflusulfuron methyl–only treatments. The sequential POST ethofumesate-only (140 fb 140 g ha−1) treatment provided poor volunteer GR canola control at 30 DAT, and the noncontrolled plants produced 6,361 seeds m−2, which was comparable to the nontreated control (7,593 seeds m−2). Sequential POST triflusulfuron methyl–containing treatments reduced GR sugar beet root and sucrose yields to 18 and 20%, respectively. Consistent with GR canola control, sugar beet root and sucrose yields were highest (95 and 91% of hand-weeded plots, respectively) when the sequential POST triflusulfuron methyl–containing treatments were preceded by ethofumesate (4,200 g ha−1) PRE. Growers should utilize these effective herbicide programs to control volunteer GR canola in GR sugar beet. Because of high canola seed production potential, as evident from this research, control efforts should be aimed at preventing seed bank replenishment of the GR canola volunteers.

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