scholarly journals Effect of Light Stress on Germination and Growth Parameters of Corchorus olitorius, Celosia argentea,Amaranthus cruentus, Abelmoschus esculentus and Delonix regia

2013 ◽  
Vol 5 (4) ◽  
pp. 468-475 ◽  
Author(s):  
Akinbode Foluso OLOGUNDUDU ◽  
Adekunle Ajayi ADELUSI ◽  
Kehinde Peter ADEKOYA
Keyword(s):  
Leaf Area ◽  
Growth Parameters ◽  
Light Stress ◽  
Abelmoschus Esculentus ◽  
Corchorus Olitorius ◽  
Direct Sunlight ◽  
Amaranthus Cruentus ◽  
Delonix Regia ◽  
Celosia Argentea ◽  
Shade Plants

Seeds of Abelmoschus esculentus, Amaranthus cruentus, Celosia argentea, Corchorus olitorius and Delonix regia were germinated under light and dark conditions. The germination parameters revealed that germination was higher in seeds of A. cruentus and C. olitorus under light while the seeds of D. regia germinated more in the dark. However, no major difference was observed in the germination of C. argentea and A. esculentus in light and darkness. The above findings point out that germination is species dependent. It also indicated that Amaranthus cruentus and C. olitorius adapt better to light while D. regia adapt better to dark condition. The shade plants of A. esculentus and D. regia were found to be taller than those under direct sunlight. However, seedlings of A. cruentus, C. olitorius and C. argentea were found to be taller those under direct sunlight than in the shade regimes. This could suggest that these plants have higher tolerance of heat with respect to A. esculentus and D. regia. Shade plants of A. esculentus, C. argentea, C. olitorius and D. regia exhibited lower leaf area which is an adaptation to maximize light interception. Higher leaf area was observed in the shade plant of A. cruentus may be an adaptation to maximize the little light available to the plant under shade. These findings revealed plants adaptation to cope with stress in the environment.

scholarly journals Growth Response of Three Leafy Vegetables to the Allelopathic Effect of Vitellaria paradoxa

2015 ◽  
Vol 7 (4) ◽  
pp. 460-463 ◽  
Author(s):  
Olamide O. FOLARIN ◽  
Clement O. OGUNKUNLE ◽  
Stephen O. OYEDEJI ◽  
Saheed KOLAWOLE
Keyword(s):  
Growth Response ◽  
Growth Parameters ◽  
Leafy Vegetables ◽  
Allelopathic Effect ◽  
Vitellaria Paradoxa ◽  
Loamy Soil ◽  
Amaranthus Cruentus ◽  
Allelopathic Potential ◽  
Celosia Argentea ◽  
Plastic Containers

This study was conducted to evaluate the growth response of three leafy vegetables (Celosia argentea, Amaranthus cruentus and Amaranthus hypochodriacus) to the leaf extract of Vitellaria paradoxa. Forty-five (45) experimental plastic containers were filled with 5 kg of loamy soil each and randomly allocated to the following regimes: control, 20 g, 40 g, 60 g and 80 g of powdered leaves of V. paradoxa, in three (3) replicates for each test crop respectively. It was observed that the response of the three leafy vegetables, grown within different composition of V. paradoxa leaves, are concentration dependent with respect to the studied growth parameters (plant height, leaf number, leaf area, stem girth). This indicated that V. paradoxa has allelopathic potential on the studied vegetables and therefore it could be used for natural weed control.

scholarly journals Morpho-physiological response of Solanum macrocarpon L. seedlings to different light intensities

2018 ◽  
Vol 5 (10) ◽  
pp. 481-487
Author(s):  
Damilola Grace Ogunrotimi ◽  
Joshua Kayode
Keyword(s):  
Solar Radiation ◽  
Leaf Area ◽  
Plant Height ◽  
Physiological Response ◽  
Growth Parameters ◽  
Direct Sunlight ◽  
Stunted Growth ◽  
Light Intensities ◽  
Different Levels ◽  
Better Than

Seedlings of Solanum macrocarpon L. were transplanted into experimental pots containing 3 kg soil and placed under different levels of solar radiation to investigate their response to light intensities. The growth parameters revealed that seedlings under direct sunlight performed better than the ones under shade of mesh net. The plants growing under the shade had stunted growth and were highly susceptible to leaf abscission compared to those under direct sunlight which produced healthy stem and sturdy leaves. This could suggest S. macrocarpon possess higher tolerance to solar radiation. However, seedlings of under direct sunlight produced higher leaf area, leaf number, plant height and stem diameter than those under shade. High leaf area is important for light interception to allow for photosynthesis. These findings revealed that Solanum macrocarpon grows optimally under direct sunlight.

scholarly journals Effects of Organic Manures and Npk on Growth and Protein Content of Okra (Abelmoschus Esculentus L. Moench)

2021 ◽  
Vol 6 (2) ◽  
pp. 83-88
Author(s):  
F Haque ◽  
KN Nishi ◽  
M Muslim ◽  
MK Rahman
Keyword(s):  
Protein Content ◽  
Leaf Area ◽  
Growth Parameters ◽  
Dry Weight ◽  
Abelmoschus Esculentus ◽  
Leaf Number ◽  
Npk Fertilizers ◽  
Organic Manures ◽  
Randomized Design ◽  
Stem Leaf

Effects of organic manures and NPK fertilizers on okra (Abelmoschus esculentus L. Moench) plants were evaluated in the net house of the Department of Soil, Water and Environment, University of Dhaka. The experiment was conducted in a randomized design replicated thrice with eighteen treatments involving eight organic manures along with NPK and without NPK fertilizers. Growth parameters viz. plant height, leaf number, leaf area and dry weight of root, stem, leaf and fruits were assessed. The highest height (132.5 cm), leaf number (21.5) and leaf area (412.09 cm2) were found in T9: Shebok 10 ton ha–1 treatment. The highest dry weight of a plant (40.6 g), number of fruits per plant (8) and dry weight of fruit per plant (3.71 g) were found in T11:N30P18K25 kg ha–1 plus ACI 5 ton ha–1 treatment. Maximum protein (25.37%) was achieved in T11, phosphorous (0.481 mg kg–1) in T14 and potassium (4.50 mg kg–1) in T13 treatment. Results varied significantly (p≤0.5). The overall best growth performance and protein content was observed in T9:Shebok 10 ton ha–1 and T11:N30P18K25 kg ha–1 plus ACI 5 ton ha–1 treatment, respectively. J. Biodivers. Conserv. Bioresour. Manag. 2020, 6(2): 83-88

scholarly journals EFFECT OF MINERAL DEFICIENCY ON MORPHOLOGICAL AND PHYSIOLOGICAL PARAMETERS AND ON SHOOT AND ROOT MINERAL PARTITIONING IN THREE SUNFLOWER VARIETIES / EFECTO DE LA FALTA DE ELEMENTOS MINERALAS SOBRE LOS PARAMENTROS MORFOLOGICOS Y FISIOLOGICOS Y REPARTICION DE ELEMENTOS MINERALES DE LA PARTE SOBRE EL SUELO Y DE LA RAIZ EN TRES VARIEDADES / INFLUENCE DE LA CARENCE D’ÉLÉMENTS MINÉRAUX SUR LES PARAMÈTRES MORPHOLOGIQUES ET PHYSIOLOGIQUES ET SUR LA DISTRIBUTION DES ÉLÉMENTS MINÉRAUX ENTRE LA PARTIE AÉRIENNE ET LA RACINE POUR TROIS SORTES DE TOURNESOL

Helia ◽  
2001 ◽  
Vol 24 (35) ◽  
pp. 135-148
Author(s):  
Mohammed El Midaoui ◽  
Ahmed Talouizte ◽  
Benbella Mohamed ◽  
Serieys Hervé ◽  
Ait Houssa Abdelhadi ◽  
...  
Keyword(s):  
Leaf Area ◽  
Dry Matter ◽  
Growth Parameters ◽  
Dry Weight ◽  
Mineral Deficiency ◽  
P Deficiency ◽  
Plant Parts ◽  
Shoot Dry Weight ◽  
K Deficiency ◽  
Matter Effect

SUMMARYAn experiment has been carried out in order to study the behaviour under mineral deficiency of three sunflower genotypes, a population variety (Oro 9) and two hybrids (Mirasol and Albena). Sunflower seedlings were submitted to five treatments: N deficiency (N0), P deficiency (P0), K deficiency (K0), N and K deficiency (N0K0) and a control. Plants were harvested when they reached 3-4 true pairs of leaves. Growth parameters measured (height, total leaf area, root length, root and shoot dry mater) were all significantly reduced by mineral deficiency. Leaf area was most reduced by N0 (-61%) and P0 (-56%). Total dry matter was most affected by N0 (-63%) and by N0K0 (-66%). Genotype comparisons showed that Oro 9 had the highest shoot dry matter while Albena had the lowest root dry matter. Effect of mineral deficiency on content and partitioning of N, P, K, Ca and Na was significant and varied according to treatments and among plant parts. Shoot dry weight was significantly correlated with root N content (r2=0.81) and root K content (r2=-0.61) for N0 and K0.

scholarly journals PEMANFAATAN PUPUK ORGANIK CAIR PAITAN (Tithonia diversifolia) PADA BERBAGAI DOSIS DAN RAGAM APLIKASINYA TERHADAP PERTUMBUHAN KAILAN (Brassica oleracea Var. Acephala)

2020 ◽  
Vol 11 (1) ◽  
pp. 25
Author(s):  
AHMAD TAOFIK ◽  
SOFIYA HASANI ◽  
AYU CAHYANINGTYAS ◽  
BUDY FRASETYA
Keyword(s):  
Leaf Area ◽  
Plant Height ◽  
Analysis Of Variance ◽  
Growth Parameters ◽  
Organic Fertilizer ◽  
Dry Weight ◽  
Fresh Weight ◽  
Application Method ◽  
Randomized Design ◽  
Two Factors

The paitan plant contains allelopathic compounds for other plants so that the utilize of paitan plant as a source of liquid organic fertilizer (LOF) has not been widely applied. This research aimed to study the interaction between LOF dosage and appropriate application method of LOF to increase the growth of kailan plants. The research conducted at experimental garden of UIN Bandung from June-August 2016. The experimental design was a completely randomized design with two factors and replicated four times. The first factor was application methods (A), i.e. a1=direct application to the soil, and a2= spraying. The second factor was LOF dosage (T), i.e. t0: 0 ml plant-1, t1: 20 ml plant-1, t2: 40 ml plant-1, t3: 60 ml plant-1, t4: 80 ml plant-1. The growth parameters observed i.e. plant height (14, 21, 28, 35 and 42 Day after Transplanting (DAT)), leaf area 42 DAT, plant dry weight 42 DAT, and plant fresh weight 42 DAT. The data then analyzed with analysis of variance at a significant level of 5%. If the analysis of variance was significant, the Duncan multiple range test was used at α=5%. The research results showed there was no interaction between method of application with a various dosage of paitan LOF to all of the growth parameters. The application paitan LOF showed similar growth in terms of plant height, leaf area, plant dry, and plant fresh weight. The application method of paitan LOF direct to the soil or spraying to leaves can not increase kailan plant growth.

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

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.

scholarly journals Influence of Bacterial Inoculation on Growth and Plant Nutrition of Peach Grafted in Different Rootstocks in Calcareous Soil

2021 ◽  
Vol 50 (9) ◽  
pp. 2615-2624
Author(s):  
Muzaffer İpek ◽  
Şeyma Arıkan ◽  
Ahmet Eşitken ◽  
Lütfi Pırlak ◽  
Mesude Figen Dönmez ◽  
...  
Keyword(s):  
Plant Growth ◽  
Leaf Area ◽  
Iron Content ◽  
Calcareous Soil ◽  
Growth Parameters ◽  
Nutrient Content ◽  
Enzyme Synthesis ◽  
Soil Conditions ◽  
Bacterial Strains ◽  
High Iron Content

The highly calcareous soil limits plant growth parameters due to inadequate uptake of plant nutrients. Calcareous soil conditions affect plant growth through impaired chlorophyll synthesis, root growth, enzyme synthesis, and nutrient uptake. To overcome the negative effect of calcareous soil, six bacterial strains namely Alcaligenes 637Ca, Agrobacterium A18, Staphylococcus MFDCa1, Staphylococcus MFDCa2, Bacillus M3, and Pantoea FF1 were inoculated in one-year-old plants of peach cultivar ‘Elegant Lady’ grafted onto GF677 and Nemaguard rootstocks. The bacterial treatments were observed to improve plant growth and nutrient content compared to the control. Moreover, the GF677 rootstock was observed to be more tolerant to high calcareous soil conditions than Nemaguard, showing better plant growth and nutrient content. At the Nemaguard rootstocks, the largest leaf area was observed to be upon inoculation with MFDCa2 (29.1 cm2), FF1 (28.8 cm2), and M3 (28.1 cm2), whereas at the GF677 rootstock, the highest leaf area was observed upon inoculation with MFDCa1 (34.7 cm2), FF1 (32.6 cm2), and 637Ca (31.5 cm2). The leaf iron content was higher in bacterial treatments than the control. In the Nemaguard rootstock, the highest iron content was measured in plants inoculated with 637Ca (133.49 mg kg–1) and M3 (127.64 mg kg–1), whereas in the GF677 rootstock, the treatments MFDCa1 (131.51 mg kg–1), 637Ca (131.21 mg kg–1), FF1 (127.72 mg kg–1), and M3 (127.68 mg kg–1) resulted in high iron content. The results indicate that bacterial inoculations have a significant potential to improve plant growth and can be used as biofertilizers for peach grafted onto Nemaguard and GF677 in high calcareous soil conditions.

scholarly journals Growth performance and nutritional quality of selected vegetables in response to organic and inorganic fertilizers under low and high irradiance

2021 ◽  
pp. 17-27
Author(s):  
L. T. Olaokiki ◽  
S. A. Adejumo
Keyword(s):  
Leaf Area ◽  
Open Field ◽  
Nutritional Quality ◽  
Growth Parameters ◽  
Soil Amendments ◽  
Number Of Leaves ◽  
Growing Conditions ◽  
Screen House ◽  
Better Than

Vegetables form major part of human dietary/nutritional needs. It provides the necessary vitamins and minerals as well as antioxidants to boost immunity. Different vegetables however have different benefits and require different growing conditions. This study investigated the effect of two growing conditions (Screen-house and open field) and soil amendments; Mexican sunflower compost (MSC; applied at 0, 5, 10 t/ha) and NPK 15:15:15 (applied at 0, 50 and 100 kg N/ha) on the growth performance, yield, and nutritional quality of five selected vegetables (Amaranthus cruentus, Celosia. argentea, Solanum macrocarpon, Solanum nigrum and Solanum incanum). Each treatment was replicated three times and experiment arranged in completely randomized design, Compost was applied a week before seed sowing vegetables grown in the screen-house generally performed better than the open field in terms of leaf area and chlorophyll content. The response however varied based on the vegetable and the soil amendments. Solanum species, performed better than Amaranthus under screen-house than open field. Chlorophyll in the leaf responded positively to NPK fertilizer under screen-house conditions while growth parameters such as plant height, stem girth, number of leaves under screen-house and field conditions varied depending on the vegetables. The number of leaves and leaf area increased with soil amendments. Moisture, crude protein and ash contents were reduced under open field compared to screen-house. The zinc and iron contents of the vegetable leaves showed that addition of compost was superior to NPK and screen-house better than open field. It can be concluded that vegetables grown in the screen-house performed better in their respective growth parameters than vegetables are grown under the open field.

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