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 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.

Appropriate Nitrogen and Phosphorus Fertilizer Regime for Sunflower (Helianthus Annuus L.) In the Humid Tropics

Helia ◽  
2019 ◽  
Vol 42 (70) ◽  
pp. 111-125
Author(s):  
E. Akpojotor ◽  
V.I.O. Olowe ◽  
C. Adejuyigbe ◽  
S.O. Adigbo
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Agricultural Research ◽  
Block Design ◽  
Field Trials ◽  
Humid Tropics ◽  
Single Application ◽  
Nitrogen And Phosphorus ◽  
Yield Attributes ◽  
P Fertilizer

AbstractTwo field trials were conducted on the Research Farm of the Institute of Food Security, Environmental Resources and Agricultural Research, Nigeria during the late cropping seasons (Jun.–Nov.) of 2014 and 2015 to evaluate the agronomic performance of four recently released sunflower varieties (SAMSUN-1, SMASUN-2, SAMSUN-3 and SAMSUN-4) to three fertilizer regimes: Control, Split application of 30 kg N + 28 kg P2O5 at 21 days after sowing (DAS) and at anthesis and Single application of 60 kg N and 56 kg P2O5 at 21DAS. The experiment was laid out in a randomized complete block design using a 3 × 4 factorial arrangement and replicated three times. Data were collected on phenology, plant height, seed yield and yield attributes, and quality. The varietal effect was only significant in 2015 for head weight, a number of achene per head and 100 achene weight. Application of N and P fertilizer either as split or single significantly (P ≤ 0.05; F-test) enhanced plant height at R5 and R9, 100 achene weight, achene weight per head and grain yield in both years. Single application resulted in significantly (P ≤ 0.05) higher grain yield in 2014 than the split and control and was on par with a split. Significant variety × fertilizer regime was recorded for protein content in 2014 and 2015, and oil content in 2015. Therefore, a single application of N and P fertilizers at 21 WAS is recommended for adoption in the humid tropics to enhance seed and oil production of SAMSUN-3 and SAMSUN-4.

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 Jiwamrita: A Low Cost Organic Nutrient Source for Growth, Yield and Economics of Organic Mungbean [Vigna radiata (L.) Wilczek] under Changing Agricultural Environment

2021 ◽  
pp. 120-129
Author(s):  
Anil Swami ◽  
Moola Ram ◽  
R. C. Meena ◽  
Durga Shankar Meena ◽  
Surendra Kumar
Keyword(s):  
Grain Yield ◽  
Agricultural Research ◽  
Foliar Application ◽  
Foliar Spray ◽  
Research Station ◽  
Microbial Culture ◽  
Yield Attributes ◽  
Net Return ◽  
Mode Of Application ◽  
Growth Attributes

Aims: To find a suitable alternate option of nutrient management in organic mungbean with standardization of dose and its mode of application. Place and Duration of Study: Agricultural Research Station, Mandor, Jodhpur between July 2020 and October, 2020. Methodology: Treatment comprised of main plots as mode of application: M1: Soil application, M2: Foliar application and M3: Soil and foliar application and sub plots as dose of Jiwamrita: S1: Control, S2: 50 ml/l, S3: 100 ml/l and S4: 150 ml/l were replicated thrice in split plot design. FYM @ 5.0 t/ha was applied on the soil and the field of the experimental site was prepared by disking following harrowing and planking. The crop variety GM 6 was sown on 10th July, 2020 at row spacing of 30 cm with seed rate of 15 kg/ha. The plants were kept at 10 cm distance after thinning at 15 days after sowing. Jiwamrita was prepared using Palekar [1] method (Photo 1) and was kept in shade for 7 days. It was filtered before using for spray as per treatments. It was applied as soil spray at the time of sowing and 15 days after sowing as per treatments of different doses. Foliar application of Jiwamrita was done at 15 and 30 days after sowing as per treatments. Total quantity of solution containing Jiwamrita was 500 liter/ha in all the treated plots. In control plots, a quantity of 500 liter/ha was used as spray. Weeding was done manually at 15 and 30 days after sowing. Data on growth attributes, yield attributes and grain yield was recorded from net plot size of 4 m x 1.8 m and converted into hectare basis. The gross return was computed by multiplying current price of mungbean with yield. The net return was estimated by deducting cost of cultivation from gross return. The benefit-cost ratio was worked out by dividing gross return by cost of cultivation. Results: Maximum plant height of 71.5 cm was recorded with a dose of Jiwamrita @ 150 ml/liter which was at par with Jiwamrita @ 100 ml/liter. The SPAD chlorophyll meter reading (SCMR) of leaves increased at 50 DAS (53.5) being maximum with Jiwamrita @ 150 ml/liter which was significantly higher over SCMR recorded with Jiwamrita @ 50 ml/liter (34.7). The significantly maximum number of pods/plant (28.7) and maximum grain yield (1314 kg/ha) was recorded due to combined application of soil and foliar application of Jiwamrita. Among doses, maximum number of pods (30.9) was recorded under Jiwamrita @ 150 ml/liter which was 30, 24 and 16 percent higher over control and Jiwamrita @ 50, 100 ml/liter. The application of Jiwamrita @ 150 ml/liter resulted in significantly higher grain yield (1221 kg/ha) which was found at par with Jiwamrita @ 100 ml/liter (1179 kg/ha) which were 17 and 13 percent higher, respectively, over control and 9 and 5.6 percent higher, respectively, over Jiwamrita @ 50 ml/liter. The maximum net return ( 65672 ha-1) was recorded with 150 ml/liter followed by 100 ml/liter ( 62686 ha-1). Conclusion: Jiwamrita is a fermented microbial culture which provides essential nutrients to plants. Its application in both soil and plant canopy were found beneficial. The study revealed that twice application of Jiwamrita in soil at the time of sowing and 15 days after sowing and twice application of Jiwamrita as foliar spray at 15 and 30 days after sowing significantly increased the growth attributes, yield attributes and yield of organic mungbean.

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 Sorghum (Sorghum bicolor L. Moench) Genotypes to Different Levels of Agricultural Sulfur

2019 ◽  
Vol 32 ◽  
pp. 15-24
Author(s):  
Jameel, S.S. Al- Faran ◽  
Kifah. A. Aldoghachi
Keyword(s):  
Grain Yield ◽  
Leaf Area Index ◽  
Leaf Area ◽  
Plant Height ◽  
Agricultural Research ◽  
Block Design ◽  
Growth And Yield ◽  
Research Station ◽  
Area Index ◽  
Sorghum Plant

A field experiment was conducted in agricultural research station which is located at Al-Qurna district, 75 km north of Basrah governorate during the autumn season 2018. The aim was to study the effect of agricultural sulfur (0, 3, 6 and 9 t S.ha-1) on growth and yield of three sorghum genotypes (Inkath, Rabeh and Kafier2). The experiment was conducted as randomized complete block design in a factorial arrangement with three replications. The results showed that there were significant differences among the genotypes. The genotype kafier2 gave the highest average of plant height of 171.5 cm while the genotype inkath gave the highest weight of 1000 seed (25.59 gm), grain yield (3.97 t.ha-1). Genotype rabeh produced highest average of leaf area index and number of grain head of 3.10 and 1994.41 grain.head-1 respectively. The agricultural sulfur showed significant effect on most studied traits of sorghum (plant height, leaf area index, grain head, weight of 1000 grains and grain yield). The addition of agricultural suffer up to 9 t. ha-1 increased grain yield and produced 5.80 t.ha-1. The interaction of genotypes and agricultural sulfur showed a significant effect on some traits of growth and grain yield. The genotype inkath supplied with 9 t.ha-1 of agricultural sulfur resulted in highest grain yield of 5.80 t.ha-1, while the genotype rabeh supplied with 6 t.ha-1 of agricultural sulfur gave the highest average of leaf area index (3.54) and number of grains head (2106.33 grain.head-1).

scholarly journals ESTIMATION OF SOME GENETIC PRAMETERS IN DURUM WHEAT

2017 ◽  
Vol 48 (2) ◽  
Author(s):  
Almajidy & et al.
Keyword(s):  
Grain Yield ◽  
Durum Wheat ◽  
Harvest Index ◽  
Agricultural Research ◽  
Block Design ◽  
Selection Index ◽  
Research Station ◽  
Genetic Progress ◽  
Environmental Variance ◽  
High Heritability

To estimate genetic parameters and heritability in durum wheat (Triticum turgidum var. durum) genotypes, seventeen genotypes (16 exotic from ICARDA and local variety (Buhooth 7)) were included in this study. This experiment was conducted using a randomized complete block design with three replications at Field Crops Research Station, Abu-Graib, Office of Agricultural Research, during 2011-2012 and 2012-2013. The results revealed significant differences among genotypes for the studied characters at both seasons. The best genetic/environmental variance ratio attained for spike length (11.90) and no. of spikes. m-2 (9.22) in the first season, and grain yield (8.82) then harvest index (4.87) in the second season. High GCV observed for grain yield (15.68), no. of spikes. m-2 (15.18) in the first season, and harvest index (16.89) and grain yield (14.22) in the second season. High heritability estimates associated with high genetic advance for no. of spikes. m-2, in the first season. While, moderate h2bs estimates associated with high GA for same trait in the second season. Expected response to selection ranged from 0.93 to 84.6, also selection index ranged from 1.23 to 106.44 for grain yield and number of spikes. m-2, respectively in the first season also the same pattern was observed for value of second season. Characteristics like no. of spikes. m-2, plant height, no. of grains. Spike-1 and grain weight showed high heritability coupled with high genetic progress. Therefore, these characters should be given top priority during selection breeding in durum wheat.

Effect of pink-pigmented facultative methylotrophs, PGRs and Nutrients on Growth, Yield and Economics of Irrigated Blackgram [Vigna mungo (L.) Hepper]

2021 ◽  
Author(s):  
R. Ajaykumar ◽  
S. Selvakumar ◽  
K. Harishankar ◽  
K. Sivasabari
Keyword(s):  
Grain Yield ◽  
Nutritive Value ◽  
Foliar Application ◽  
Positive Impact ◽  
Block Design ◽  
Growth Yield ◽  
Vigna Mungo ◽  
Area Index ◽  
Yield Attributes ◽  
Randomized Block Design

Background: Blackgram [Vigna mungo (L.) Hepper] is one of the most important cultivated legume crops with high nutritive value and agricultural importance. The productivity of blackgram is not adequate to meet the domestic demand of the growing Indian population. Consequently, there is an urgent need for enhancement of productivity through proper agronomic practices. With this background, a research experiment was conducted in a farmer’s field at Pudhupalayam, Coimbatore to investigate the effect of foliar application of PPFM, plant growth regulating compounds and nutrients on growth, yield attributes, yield and economics of irrigated blackgram. Methods: A field experiment was laid out in randomized block design with three replications during 2019 (kharif and rabi) season. The treatments include 100% recommended dose of NPK along with foliar application of diammonium phosphate (DAP), brassinolide (Br), salicylic acid (SA) and pink pigmented facultative methylotrophs (PPFM) with different concentration (1%, 2%, 1 ppm, 2 ppm, 50 ppm, 100 ppm, respectively) in addition to control. PPFM and PGRs were sprayed at 30 and 45 days after the sowing of blackgram. Result: The experiment results of the two seasons study revealed that the application of 100% RDF + PPFM @ 2% recorded higher growth characters viz., plant height (cm), number of branches plant-1, leaf area index and yield attributes viz., number of pods plant-1, number of seeds pod-1, pod weight (g), pod height (cm), 100 seed weight (g) and yield viz., grain yield (kg/ha), straw yield (kg/ha) and harvest index (%). As well as the same treatment recorded higher net return and B:C ratio. Correlation and regression analysis also indicated that the yield attributes had a positive impact on the grain yield with a magnitude of 1.91 and 1.67, respectively. Therefore, application of 100% RDF+2% PPFM spray can be recommended as the best technology to improve the yield and economics of blackgram.

scholarly journals Effect of Arbuscular Mycorrhizal Fungi on the Tolerance to Sodium Chloride Levels, and on Growth and Yield of Lentil (Lens culinaris)

2017 ◽  
Vol 15 (1) ◽  
pp. 156-169 ◽  
Author(s):  
M Rahman ◽  
MAH Bhuiyan ◽  
ME Ali ◽  
F Alam ◽  
RA Begum
Keyword(s):  
Sodium Chloride ◽  
Seed Yield ◽  
Mycorrhizal Fungi ◽  
Agricultural Research ◽  
Block Design ◽  
Growth And Yield ◽  
Yield Attributes ◽  
Stover Yield ◽  
Mycorrhizal Inoculation ◽  
Mycorrhizal Plants

A pot experiment was carried out in the nethouse of Soil Science Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur during 2014-2015 through 2015-2016. The design of the experiment was factorial randomized completely block design with 4 replications. The objectives of the study were to evaluate the potential of Arbuscular mycorrhization (AM) on the germination, yield and yield attributes of lentil treated with different concentration of sodium chloride (NaCl). Five NaCl treatments (0, 1, 2, 3 and 4%) possessed NaCl level as the first factor that were treated with soils before sowing of lentil seeds overriding or pivotal pulse crop in Bangladesh. The second factor consists of mycorrhizal and non-mycorrhizal treatments. Mycorrhizal plants showed better performance in terms of germination %, yield and yield contributing characters than non-mycorrhizal plants. With increasing NaCl concentration germination %, yield and yield contributing characters in the rhizosphere soil, decreased significantly (p<0.01). Interaction effects of mycorrhizal inoculation and NaCl on germination %, growth and yield of lentil were appeared to be statistically non-significant. The highest germination (96.25% in 2014-2015 and 92.50% in 2015-2016), seed yield (6.45 g pot-1 in 2014-2015 and 5.89 g pot-1 in 2015-2016), and stover yield (9.55 g pot-1 in 2014-2015 and 8.58 g pot-1 in 2015-2016) was found in NaCl 0% + AM treatment. The lowest germination %, seed yield and stover yield was found in NaCl 4% treatment. Mycorrhizal inoculation increased seed yield on an average by 31.85% during 2014-2015 and 63.71% during 2015-2016, and increased stover yield on an average by 48.56% during 2014-2015 and 63.55% during 2015-2016 over non-mycorrhizal inoculation. Therefore, it can be concluded that mycorrhizal inoculation increases germination %, growth and yield of lentil over non-mycorrhizal inoculation. The Agriculturists 2017; 15(1) 156-169

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