Studies on germination and seedling development of winter maize (Zea mays L.) as influenced by various seed priming methods

A field experiment was conducted for boosting the productivity of kharif sweet corn (Zea mays Saccharata) at Agronomy Farm,RCSM College of Agriculture, Kolhapur (M.S.), India during kharif, 2020 in black Vertisolsoil using split plot design with four replications and two factors, where main plot factors consist of time of application viz T1:15 days after sowing (DAS), T2: 30 DAS and T3: 45 DAS and sub plot factors consist of levels of nano nitrogen (N) fertilizers vizN1: 1.00 L ha-1, N2: 1.25 L ha-1 and N3:1.50 L ha-1. The results showed that at harvest, maximum plant height (183.41 cm), number of leaves (8.86 plant-1), leaf area (58.40 dm2plant-1), dry matter accumulation (117.18 gplant-1), length of cob (18.55 cm), diameter of cob (16.83 cm), weight of cob per plant (208.65 g), number of grains (371.25 cob-1), green cob yield (125.96 q ha-1), green fodder yield (344.39 q ha-1), total uptake plant in total ((264, 98 and 230 kg ha-1),yield of protein by grain (92.89 g kg-1) and stover (50.96 g kg-1) were obtained from treatment N3 (1.5 L ha-1) which was on par with treatment N2 (1.25 L ha-1) and significantly superior over N1 (1 L ha-1). While main plot showed that at harvest plant height (191.90 cm), number of leaves(10.09plant-1), leaf area (62.63 dm2plant-1), dry matter accumulation (123.51 gplant-1), length of cob (20.56 cm), diameter of cob (19.71 cm), weight of cob (222.29 g plant-1), number of grains (402.07 cob-1), green cob yield (138.32q ha-1),stover yield (359.75q ha-1), total uptake(287, 113 and 262 kg ha-1), yield of protein by grain (97.36 g kg-1) and stover (51.77 g kg-1)were significantly maximum when foliar spray of NN was done at 15 (DAS). The foliar application at 15 DAS had taken minimum number of days to reach 50 per cent of tasselling (51.62 days) and silking (55.97 days).

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Influence of nano nitrogen on growth, quality and nutrient uptake of Kharif sweet corn (Zea mays Saccharata)

INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCES ◽

10.15740/has/ijas/17-aaebssd/61-67 ◽

2021 ◽

Vol 17 (AAEBSSD) ◽

pp. 61-67

Author(s):

I. Sarwar ◽

V.B. Gedam ◽

R.H. Shinde ◽

A. S. Bade ◽

V. R. Bavadekar ◽

...

Keyword(s):

Zea Mays ◽

Leaf Area ◽

Plant Height ◽

Dry Matter ◽

Sweet Corn ◽

Foliar Spray ◽

Dry Matter Accumulation ◽

Total Uptake ◽

Main Plot ◽

Number Of Leaves

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Physiological Traits and Productivity of Wheat (Triticumaestivum L.) in Relation to Foliar Spray of Zinc, Urea, and Thiourea under Rainfed Condition

Agricultural Science Digest - A Research Journal ◽

10.18805/ag.a-4458 ◽

2019 ◽

Author(s):

CB Verma

Keyword(s):

Leaf Area ◽

Chlorophyll Content ◽

Dry Matter ◽

Foliar Application ◽

Foliar Spray ◽

Dry Matter Accumulation ◽

Higher Plant ◽

Wheat Varieties ◽

Rainfed Condition ◽

Leaf Yield

Combined foliar application of ZnSO4 (0.5%) +urea (2%) + thiourea (500 ppm) twice at 45 and 65 days after sowing (DAS) under rainfed condition on widely evaluated two wheat varieties resulted in significantly higher plant height (cm), leaf area (cm2 ), number of tillers, dry matter accumulation, chlorophyll content In leaf, yield and its component over water sprayed control as well as treatments. Among wheat varieties, K-9351 was found more responsive as it yielded (38.5 q/ha) then K-8027 (33.1 q/ha).

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Effect of Foliar Application of Growth Regulators on Vegetative and Physiological Growth Parameters in Ajowan (Trachyspermum ammi L. Sprague)

Current Journal of Applied Science and Technology ◽

10.9734/cjast/2020/v39i2930962 ◽

2020 ◽

pp. 100-109

Author(s):

Y. Rajasekhara Reddy ◽

G. Ramanandam ◽

P. Subbaramamma ◽

A. V. D. Dorajeerao

Keyword(s):

Leaf Area ◽

Foliar Application ◽

Growth Parameters ◽

Block Design ◽

Foliar Spray ◽

Dry Weight ◽

Area Index ◽

Chlorophyll Contents ◽

Trachyspermum Ammi ◽

Number Of Leaves

A field experiment was carried out during rabi season of 2018-2019, at college farm, College of Horticulture, Dr. Y.S.R. Horticultural University, Venkataramannagudem, West Godavari District, Andhra Pradesh. The experiment was laidout in a Randomised Block Design with eleven treatments (viz., T1- NAA @ 50 ppm, T2-NAA @ 100 ppm, T3-GA3 @ 50 ppm, T4-GA3 @ 100 ppm, T5-Thiourea @ 250 ppm, T6-Thiourea @ 500 ppm, T7-28-Homobrassinolide @ 0.1 ppm, T8-28-Homobrassinolide @ 0.2 ppm, T9-Triacontinol @ 2.5 ppm, T10-Triacontinol @ 5 ppm, T11-(Control) Water spray) and three replications. The treatments were imposed at 30 and 45 DAT in the form of foliar spray. Foliar application of GA3@ 100 ppm (T4) had recorded the maximum plant height (108.20 cm), leaf area (9.53 cm2) and leaf area index (0.74). Foliar application of thiourea @ 250 ppm (T5) had recorded the maximum values with respect to number of primary branches (15.03 plant-1), number of secondary branches (83.40 plant-1), plant spread (1793 cm2 plant-1), fresh weight (376.29 g plant-1), dry weight (103.54 g plant-1) and number of leaves plant-1((298.8). The same treatment (T5) had recorded the highest values with respect to crop growth rate (1.44 gm-2d-1), chlorophyll-a (1.40 mg g-1), chlorophyll-b (0.076 mg g-1) and total chlorophyll contents (1.48 mg g-1) in the leaves.

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Assimilate partitioning and phytotoxicity in soybean plants treated with herbicides

Planta Daninha ◽

10.1590/s0100-83581996000100006 ◽

1996 ◽

Vol 14 (1) ◽

pp. 48-54 ◽

Cited By ~ 1

Author(s):

Ricardo A. Marenco ◽

Nei F. Lopes

Keyword(s):

Plant Height ◽

Dry Matter ◽

Growth Stage ◽

Plant Part ◽

Dry Matter Accumulation ◽

Assimilate Partitioning ◽

Developing Seeds ◽

Number Of Leaves ◽

Stems And Leaves ◽

Soybean Plants

To investigate the effects of trifluralin, chlorimuron and clomazone on morphology and assimilate partitioning during soybean development, plants were grown in a greenhouse and sampled at 14-day intervals. Clomazone reduced stem and leaf dry matter accumulation at 14 days after emergence (DAE), while trifluralin and chlorimuron reduced plant part dry matter accumulation up to 28 DAE. The number of leaves, plant height, mass and number of pods and seeds, and the shoot/root ratio were not influenced by the herbicides. Roots, stems and leaves were the preferred sinks up to the R2 growth stage, while pods and developing seeds became the preferred sinks later. This order was not altered by the herbicides.

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ALTERNATIVE SUBSTRATES FOR PRODUCTION OF YELLOW PASSION FRUIT SEEDLINGS

JOURNAL OF NEOTROPICAL AGRICULTURE ◽

10.32404/rean.v7i1.3890 ◽

2020 ◽

Vol 7 (1) ◽

pp. 43-48

Author(s):

Eduardo Santana Aires ◽

Carlos Alberto Aragão ◽

Itala Laiane Silva Gomes ◽

Gilmário Noberto de Souza ◽

Isa Gabriela Vieira de Andrade

Keyword(s):

Plant Height ◽

Dry Matter ◽

Passion Fruit ◽

Dry Matter Accumulation ◽

Alternative Substrates ◽

Randomized Design ◽

Length Width ◽

Number Of Leaves ◽

Completely Randomized Design ◽

Yellow Passion Fruit

This study aimed to evaluate different substrates to produce yellow passion fruit seedlings. For this purpose, an experiment was carried out in a greenhouse, from April to June 2016. A completely randomized design with five replications, in a 6 x 5 factorial scheme was used. The first factor was the alternative substrates (poultry, cattle and equine manure, sugarcane and coconut bagasse, and Organomais compost). The second factor was the replacement levels to the commercial substrate of Plantmax® (100:0, 75:25, 50:50, 25:75, 0:100). The seedling evaluation was carried out 42 days after sowing. The following variables were analyzed: length, width, and the number of leaves; plant height and shoot dry matter. A significant effect (P0.05) for the interaction between the factors was verified. The addition of 60% cattle manure and Organomais to the commercial substrate Plantmax® promoted greater length, width, and the number of leaves, plant height, and shoot dry matter accumulation in the yellow passion fruit seedlings.

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Effect Of Planting Geometry On Growth Of Rice Varieties

International Journal of Applied Sciences and Biotechnology ◽

10.3126/ijasbt.v5i4.18041 ◽

2017 ◽

Vol 5 (4) ◽

pp. 423-429 ◽

Cited By ~ 2

Author(s):

Mohan Mahato ◽

Bishnu Bilas Adhikari

Keyword(s):

Growth Rate ◽

Leaf Area Index ◽

Leaf Area ◽

Plant Height ◽

Dry Matter ◽

Dry Matter Accumulation ◽

Rice Varieties ◽

Area Index ◽

Crop Growth Rate ◽

Planting Geometry

A field experiment was conducted under humid subtropical agro-climatic condition of Nepal during rainy season of 2014. The experiment was laid out in to two factor Randomized Complete Block Design with three replications consisting three drought tolerant rice varieties (Sukhadhan-4, Sukhadhan-5 and Radha-4) and four planting geometry (15 cm × 10 cm, 15 cm × 15 cm, 20 cm × 15 cm and 20 cm × 20 cm). The results revealed that the highest plant height and maximum leaf area index was recorded in planting geometry 15 cm × 10 cm in all growth stages. Whereas, planting geometry 20 cm × 15 cm produced the maximum number of tiller m-2 in all growth stage. While planting geometry 20 cm × 15 cm and 20 cm × 20 cm produced statistically similar crop growth rate and dry matter accumulation in all stage of growth. Regarding the varieties, Sukhadhan- 4 showed highest plant height up to 75 DAT and plant height was statistically similar to Radha - 4 in 60 and 75 DAT. But maximum number of tiller m-2, leaf area index, crop growth rate and dry matter accumulation were recorded in Sukhadhan – 5 varieties. Int. J. Appl. Sci. Biotechnol. Vol 5(4): 423-429

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Influence of primed seed and varying seed rate on growth and productivity of soybean (Glycine max L.) under different planting techniques

Legume Research - An International Journal ◽

10.18805/lr-3995 ◽

2018 ◽

Author(s):

Rupinder Kaur Jassal ◽

Harmeet Singh

Keyword(s):

Leaf Area Index ◽

Leaf Area ◽

Plant Height ◽

Seed Yield ◽

Dry Matter ◽

Seed Priming ◽

Dry Matter Accumulation ◽

Area Index ◽

Active Radiation ◽

Seed Rate

An experiment was conducted at Punjab Agricultural University, Ludhiana during 2015 and 2016 to study the effect of priming, different seed rate on growth and seed yield of soybean planted under bed and flat method. The study was planned in factorial split plot design, keeping two planting techniques (flat sowing and bed sowing) and two seed priming treatments ( non primed seeds and 100 ppm GA3 primed seeds) in main plot and three seed levels ( 50, 62.5 and 75 kg ha-1) in sub plot. The objective of the study was to evaluate the effect of seed priming on growth and productivity under different planting techniques with the use of varying seed rates. The results revealed that growth attributes viz. emergence count, plant height, dry matter accumulation, leaf area index and photosynthetic active radiation interception (%) was significantly higher under bed planting technique as compared to flat sowing method. The pooled seed yield was increased by 15.6 % in bed planted soybean crop as compared to flat planted crop. Soybean seeds primed with 100 ppm GA3 recorded significant results in all the growth parameters. Primed seed recorded increase in yield 15.3 % than non primed seeds. Seed rate of 62.5 kg ha-1 recorded significantly higher emergence count, plant height, dry matter accumulation, leaf area index and photosynthetic active radiation interception (%) which was statistically similar in results with 75 kg ha-1 seed rate in both the two years. Pooled seed yield of 62.5 kg ha-1seed rate was 4.61 % higher than 75 kg ha-1 and 12.6 % than 50 kg ha-1 seed rate.

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Saline-sodic soil and organic matter addition in the cultivation of the colored cotton ‘BRS Topázio’

Semina Ciências Agrárias ◽

10.5433/1679-0359.2016v37n2p701 ◽

2016 ◽

Vol 37 (2) ◽

pp. 701

Author(s):

Magaly Morgana Lopes da Costa ◽

Reginaldo Gomes Nobre ◽

Geovani Soares de Lima ◽

Hans Raj Gheyi ◽

Francisco Wesley Alves Pinheiro ◽

...

Keyword(s):

Organic Matter ◽

Leaf Area ◽

Plant Height ◽

Dry Matter ◽

Block Design ◽

Irrigation Management ◽

Stem Diameter ◽

Initial Growth ◽

Exchangeable Sodium ◽

Number Of Leaves

he prevailing climate of the semiarid region in the northeastern region of Brazil along with inadequate irrigation management, have caused the formation of halomorphic soils, which have hampered agricultural production and environmental sustainability of this region. Therefore, this study aimed to evaluate the emergence and initial growth of the cotton cultivar ‘BRS Topázio’ cultivated in soil with different levels of exchangeable sodium percentage (ESP) and concentrations of organic matter (OM) in a greenhouse from April to June 2014. The experiment was set in a randomized block design in a 5 × 4 factorial scheme, with three replicates, and the treatments consisted of five ESP levels (13.6, 22.4, 30.1, 39.0, and 48.0) and four OM concentrations (0, 5, 10, and 15% based on soil volume). Soils with an ESP ranging from 13.6 to 48.0 did not interfere with the emergence and number of leaves of cotton at 10 days after seeding (DAS). At 44 DAS, in the period preceding the flowering stage, ESPs ranging from 27 to 30 promoted greater plant height, stem diameter, and shoot fresh and dry matter. Increasing OM increased the emergence percentage and emergence speed index and, at 44 DAS, increased plant height, stem diameter, and shoot fresh and dry matter. Increasing OM mitigated the effect of the exchangeable sodium up to an ESP of 30 on the number of leaves, plant height, stem diameter, and leaf area at 10 DAS, and up to mean ESPs of 28.5 and 34.0 for the number of leaves and leaf area, respectively, at 44 DAS.

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Morphological Performance of Onion under Exogenous Treatments of GA3

Notulae Scientia Biologicae ◽

10.15835/nsb10110087 ◽

2018 ◽

Vol 10 (1) ◽

pp. 33-37

Author(s):

Md.Dulal SARKAR ◽

Mohammad SHAHJAHAN ◽

Khairul KABIR ◽

Abu Yousuf SHIHAB ◽

A.N.M. SAYEM

Keyword(s):

Plant Height ◽

Root Biomass ◽

Dry Matter ◽

Foliar Spray ◽

Biomass Accumulation ◽

Shoot Biomass ◽

Growth Promoter ◽

Dry Matter Accumulation ◽

Morphological Response ◽

Fresh Biomass

The present study was conducted to assess the morphological response of onion plants to different GA3 levels (0, 20, 40 and 60 ppm). The factor levels of GA3 were applied during transplanting by root soaking and foliar spray at 30 and 60 days after transplanting. The gibberellic acid had a great effect on increasing plant height (46.50 cm), shoot biomass (641.67 g m-2), bulb biomass (1125.00 g m-2) and also dry matter accumulation in onion plants under the effect of 60 ppm compared to control. Plants grown up without GA3 application were shorter than those grown with GA3 spray where the lowest plant height (34.67 cm) was remarked. The leaf number (11.43) was considerably increased when 60 ppm GA3 was used as the growth promoter factor in comparison to control. The plants attain minimum fresh biomass at harvesting time in the shoot (441.67 g m-2) and bulb (641.67 g m-2) grown in control plot. Considerably (41.63%) more dry shoot biomass accumulation was recorded in 60 ppm GA3 treated plants in comparison with the control at harvesting stages. Insignificant effect by all concentration of GA3 was found in bulb length, fresh root biomass and dry root biomass. Thus, the use of 60 ppm GA3 can be recommend for onion production due to the significantly increased of the fresh bulb biomass with about 42.96% over control.

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Gibberellin and cytokinin effects on soybean growth

Scientia Agricola ◽

10.1590/s0103-90162003000300019 ◽

2003 ◽

Vol 60 (3) ◽

pp. 537-541 ◽

Cited By ~ 23

Author(s):

Vagner Maximino Leite ◽

Ciro Antonio Rosolem ◽

João Domingos Rodrigues

Keyword(s):

Plant Growth ◽

Root Growth ◽

Leaf Area ◽

Vegetative Growth ◽

Seed Treatment ◽

Dry Matter ◽

Foliar Application ◽

Foliar Spray ◽

Stem Diameter ◽

Joint Application

Soybean is an important crop in Brazil. Nonetheless, there are no reports on the use of plant growth regulator potential in relation to this crop in the national literature. To better understand the role of these compounds, a pot experiment was carried out to study effects of GA3 and cytokinin on the vegetative growth of the soybean. GA3 (50 mg L-1) was applied as seed treatment, leaving plants with water application as control. GA3 (100 mg L-1) and cytokinin (30 mg L-1) were sprayed on leaves at the physiological stage V3/V4, and 15 days after, cytokinin (30 mg L-1), also as foliar spray. Seed treatment decreased plant emergence and initial soybean root growth, but as the season progressed, differences in root growth disappeared; plants were shorter, and presented a decrease in the number of nodes, in stem diameter, in leaf area and in dry matter yield. Conversely, foliar application of GA3 led to an increase in plant height, first node height and stem diameter. Leaf area and dry matter production also increased as a result of GA3 foliar application. There was no effect of exogenous gibberellin and cytokinin on the number of soybean leaves, number of stem branches and root dry matter. Joint application of gibberellin and cytokinin tended to inhibit gibberellin effects. Cytokinin applied to leaves during soybean vegetative growth was not effective in modifying any of the evaluated plant growth variables.

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