scholarly journals Potentials of compost, compost tea and aqueous neem leaves extract in reducing some diseased plants and boosting onion (Allium cepa L.) production in the field at Gapring-Lara in t he Department of Mayo Kani (Cameroon)

2021 ◽  
Vol 15 (4) ◽  
pp. 1524-1543
Author(s):  
Habib Alium ◽  
Christophe Laba Haouvang ◽  
Steve Takoukam Toukam ◽  
Albert Ngakou
Keyword(s):  
Germination Rate ◽  
Cow Dung ◽  
Compost Tea ◽  
Delia Antiqua ◽  
Neem Extract ◽  
Growing Seasons ◽  
Neem Leaves ◽  
Allium Cepa L ◽  
Chemical Pesticide ◽  
Number Of Leaves

With a view to promoting the onion sector, we studied the behavior of onion following the application in fields of Cow Dung compost, compost tea and the aqueous extract of neem leaves during the 2018/2019 and 2019/2020 growing seasons. The device used was a complete randomized block comprising 10 treatments including compost (Cp), compost tea (CpT), Neem extract (Nex), compost + compost tea (Cp+CpT),compost+Neem extract (Cp+Nex), compost tea+Neem extract (CpT+Nex), compost+Compost Tea+NeemExtract (Cp+CpT+Nex), Control (Ctrl), Chemical Pesticide (ChP) and Chemical Fertilizer (ChF) with 3 repetitions each. The work focused on agronomic and phytopathological parameters. The results reveal that Cp+CpT+Nex treatment had a highly significant influence on the germination rate (92.33%) than Ctrl treatment (44%). He was significantly increased the number of leaves, size and yield compared to other treatments with 22.16 leaves, 52 cm and 114.74 t/ha (2018/2019) and 20.83 leaves and 53.84 cm; but yield was higher by ChF with 47.49 t/ha (2019/2020). Nex, Cp+Nex and CpT+Nex treatments reduced attack of Delia antiqua compared to control. And significant reduction in number of plants attacked by onion mildew was observed in Cp+CpT+Nex treatment. In view of the results obtained, organics fertilizers can be used in onion production.

scholarly journals Functional Properties of Antimicrobial Neem Leaves Extract Based Macroalgae Biofilms for Potential Use as Active Dry Packaging Applications

Polymers ◽  
2021 ◽  
Vol 13 (10) ◽  
pp. 1664
Author(s):  
A. A. Oyekanmi ◽  
U. Seeta Uthaya Kumar ◽  
Abdul Khalil H. P. S. ◽  
N. G. Olaiya ◽  
A. A. Amirul ◽  
...  
Keyword(s):  
Composite Film ◽  
Functional Properties ◽  
Storage Stability ◽  
Storage Period ◽  
Antimicrobial Activities ◽  
Gas Chromatography Mass Spectrometry ◽  
Ambient Conditions ◽  
Neem Extract ◽  
Control Film ◽  
Neem Leaves

Antimicrobial irradiated seaweed–neem biocomposite films were synthesized in this study. The storage functional properties of the films were investigated. Characterization of the prepared films was conducted using SEM, FT-IR, contact angle, and antimicrobial test. The macroscopic and microscopic including the analysis of the functional group and the gas chromatography-mass spectrometry test revealed the main active constituents present in the neem extract, which was used an essential component of the fabricated films. Neem leaves’ extracts with 5% w/w concentration were incorporated into the matrix of seaweed biopolymer and the seaweed–neem bio-composite film were irradiated with different dosages of gamma radiation (0.5, 1, 1.5, and 2 kGy). The tensile, thermal, and the antimicrobial properties of the films were studied. The results revealed that the irradiated films exhibited improved functional properties compared to the control film at 1.5 kGy radiation dosage. The tensile strength, tensile modulus, and toughness exhibited by the films increased, while the elongation of the irradiated bio-composite film decreased compared to the control film. The morphology of the irradiated films demonstrated a smoother surface compared to the control and provided surface intermolecular interaction of the neem–seaweed matrix. The film indicated an optimum storage stability under ambient conditions and demonstrated no significant changes in the visual appearance. However, an increase in the moisture content was exhibited by the film, and the hydrophobic properties was retained until nine months of the storage period. The study of the films antimicrobial activities against Staphylococcus aureus (SA), and Bacillus subtilis (BS) indicated improved resistance to bacterial activities after the incorporation of neem leaves extract and gamma irradiation. The fabricated irradiated seaweed–neem bio-composite film could be used as an excellent sustainable packaging material due to its effective storage stability.

scholarly journals Olive mill wastewater effects on durum wheat crop attributes and soil microbial activities: A pilot study in Syria

2021 ◽  
Author(s):  
Jehan Khalil ◽  
Hasan Habib ◽  
Michael Alabboud ◽  
Safwan Mohammed
Keyword(s):  
Durum Wheat ◽  
Germination Rate ◽  
Soil Samples ◽  
Olive Mill Wastewater ◽  
The Other ◽  
Wheat Crop ◽  
Microbial Activities ◽  
Soil Microbial ◽  
Growing Seasons ◽  
Olive Mill

AbstractOlive mill wastewater is one of the environmental problems in semiarid regions. The main goals of this study were to investigate the impacts of different olive mill wastewater levels on durum wheat (Triticum aestivum var. Douma1) production and soil microbial activities (i.e., bacteria and fungi). A pot experiment was conducted during the growing seasons 2015/2017 to evaluate the effect of three levels of olive mill wastewater on both growth and productivity attributes of wheat. Vertisol soil samples were collected from southern Syria. Two months before wheat cultivation, three levels of olive mill wastewater: T5 (5 L/m 2), T10 (10 L/m2) and T15 (15 L/m 2) were added to pots filled with the collected soil samples. Also, a control (T0) free of olive mill wastewater was considered as a reference. Results showed a significant increase (p < 0.05) in germination rate (%), plant height (cm), ear length (cm), kernels number, kernels weight per ear (g) and grain yield (g/m2) compared to control. However, T5 treatment did not induce a significant increase in terms of ear length, kernels weight per ear or yield (in the second season). On the other hand, T10 treatment had recorded the best results compared with the other two treatments (T5, T15). Similarly, the results showed a significant increase in the number of bacterial and fungi cells by increasing olive mill wastewater concentration. This research provides promising results toward using olive mill wastewater in an eco-friendly way under Syrian conditions.

scholarly journals The Role of Soil Amendments on Population Dynamics of Insect Pests, Growth Parameters and Yield of Eggplant, Solanum melongena (L.) Moench

2017 ◽  
Vol 7 (1) ◽  
pp. 7
Author(s):  
P. K. Baidoo ◽  
M. B. Mochiah ◽  
D. Asare ◽  
A. A. Sefah
Keyword(s):  
Soil Fertility ◽  
Plant Height ◽  
Bemisia Tabaci ◽  
Insect Pests ◽  
Soil Amendments ◽  
Aphis Gossypii ◽  
Solanum Melongena ◽  
Cow Dung ◽  
Leucinodes Orbonalis ◽  
Number Of Leaves

Loss of soil fertility as a result of continuous cropping on the same piece of land has necessitated the need to improve soil fertility for better crop yields. Inorganic and organic fertilizers have been used to improve soil fertility, however, excessive use of soil amendments improve vegetative growth of plants thereby attracting large numbers of insect pests. Cow dung and poultry droppings were used as soil amendments in a field experiment using eggplant Solanum melongena. The effects of these organic manures were compared with inorganic fertilizer (NPK) and a control where there was no application of soil amendment in a randomized complete block design with 3 replicates. Parameters studied were pests’ and their numbers, plant height, number of leaves per plant, leaf area, stem girth and yield. The major insect pests identified on the plant were Bemisia tabaci, Aphis gossypii, Leucinodes orbonalis and Eublemma olivacea. Bemisia tabaci and Aphis gossypii scores were significantly larger on cow dung and poultry manure plots. Leucinodes orbonalis and Eublemma olivacea numbers were not significantly different on the treated and control plots. Mean plant height, number of leaves and yield differed significantly among the soil amended plots. Even though soil amendments improve the nutrient content of the soil and the yield of crops it could lead to increase in pests numbers and damage caused to plants.

scholarly journals Assessment on the Effects of Potting Media on Seed Germination and Early Seedling Growth of Pterocarpus erinaceus Poir

2021 ◽  
Vol 25 (6) ◽  
pp. 969-975
Author(s):  
M.K. Peter ◽  
SIN Agera ◽  
J.I. Amonum
Keyword(s):  
Seed Germination ◽  
Seedling Growth ◽  
Growth Parameters ◽  
Cow Dung ◽  
Early Seedling Growth ◽  
Top Soil ◽  
Early Seedling ◽  
Potting Media ◽  
Number Of Leaves ◽  
Poultry Droppings

This study investigated the effects of potting media on seed germination and early seedling growth of Pterocarpus erinaceus Poir at the Forestry Nursery in Jos, Nigeria. Using Completely Randomized Design (CRD) with three replicates, laboratory-tested soil samples, top soil, sharp sand, sharp sand + top soil, sharp sand + top soil + cow dung and sharp sand + top soil + poultry droppings were used in various combinations to assess the growth parameters of P. erinaceus (germination percentage, emergence, plant height, number of leaves, length of leaves and stem diameter) for 12 weeks. Descriptive and inferential statistics were employed to analyze collected data. Result indicated that sharp sand + top soil + poultry droppings had the highest nitrogen concentration (2.19%), sharp sand + top soil + cow dung (2.07%), sharp sand + top soil (1.50%), top soil (0.72%) and Sharp sand (0.38%). Potting media with poultry droppings recorded an overall higher percentage germination of 42.9% by the end of the germination period. Analysis of variance (ANOVA) of collected data on combined soil aggregate on growth parameters indicated a significant (p<0.05) difference in plant height, number of leaves, leaf length and stem diameter. Potting with poultry dropping gave the best potting media growth results when compared to other treatments that enhanced seed germination and seedling growth of P. erinaceus. This superior observation of the poultry droppings incorporated potting mixtures over the cow dung provides an outstanding potentials to enhance P. erinaceus plantation establishment. Consequently, recommended for raising seedlings in the nursery as well as ensuring sustainable management.

scholarly journals PENAMBAHAN LARUTAN BAWANG MERAH (Allium cepa L.) DAN AIR KELAPA (Cocos nucifera L.) SEBAGAI FITOHORMON ALAMI PADA PERTUMBUHAN TANAMAN TEBU (Sacchanum officinarum L.) SEBAGAI SUMBER BELAJAR BIOLOGI

2020 ◽  
Vol 11 (2) ◽  
pp. 160
Author(s):  
Dewi Kurniawati ◽  
HRA Mulyani ◽  
Rasuane Noor
Keyword(s):  
Allium Cepa ◽  
Water Solution ◽  
Cocos Nucifera ◽  
Coconut Water ◽  
The Third ◽  
Randomized Design ◽  
Allium Cepa L ◽  
Number Of Leaves ◽  
The One ◽  
Cocos Nucifera L

This study aims to 1) to see the effect of natural phytohormones in onions and coconut water on the growth of sugarcane, 2) To see the effect of giving natural phytohormones to sugarcane plants which produce the best growth, 3) To see the results of research on the growth of sugarcane can be used biology learning resources. This type of research is an experimental study using a completely randomized design (CRD). This study consisted of 4 treatments, namely, the first treatment was giving sand and red soil, the second treatment was giving manure and 15% concentration of onion solution phytohormones, the third treatment was giving manure and phytohormones with 25% concentration of coconut water solution, the fourth treatment was Pembrian. Manure and phytohormone combined with 15% concentration of onion solution + phytohormone with 25% concentration of coconut water solution. The parameters observed in this study were height in units (cm), number of leaves (counting manually), stem diameter in units (cm). To determine the effect of phytohormone solutions on shallots and coconut water, data analysis was carried out using the one-way ANOVA test. and further tests to find out the most optimum treatment for the growth of sugarcane using the BNJ test. Based on the research, there was a significant effect of giving natural phytohormones on the growth of sugarcane, with the best treatment, namely the third treatment of giving manure and phytohormones of coconut water solution. The results of this research can be used as a source of learning biology in the form of videos with material on the growth and development of class XII. Kata kunci: larutan bawang merah (allium cepa L), air  kelapa (cocos nucifera L), fitohormon, tanamantebu.

scholarly journals The Effect of Irradiance, Defoliation, and Bulb Size on Flowering of Nerine bowdenii W. Watson (Amaryllidaceae)

1996 ◽  
Vol 121 (1) ◽  
pp. 115-122 ◽  
Author(s):  
K.I. Theron ◽  
G. Jacobs
Keyword(s):  
Developmental Stage ◽  
Dry Weight ◽  
Growing Season ◽  
Growth Unit ◽  
Growing Seasons ◽  
Number Of Leaves

Large Nerine bowdenii bulbs (>14 cm in circumference) were exposed to low ligbt intensities for different periods during two successive growing seasons. The flowering percentage and number of florets in the current season's inflorescence were recorded at anthesis. Small and large bulbs were subjected to continual defoliation starting at different times during the growing season. Bulbs were dissected at planting (26 Sept. 1992) and on 12 Jan. 1993 (nondefoliated control bulbs) to determine growth and developmental stage. At anthesis, inflorescences were harvested and the florets per inflorescence were counted. After anthesis in the fall, all bulbs were dissected and the following variables recorded: 1) percentage flowering, quiescence, or abortion of the current season's inflorescence; 2) developmental stage of quiescent inflorescences; 3) number of florets in the outermost inflorescence; 4) developmental stage of the innermost inflorescence; 5) number of leaves or leaf bases in each growth unit; 6) number of daughter bulbs; and 7) dry weight of new leaf bases. There were three reasons for nonflowering of the bulbs, viz., failure to initiate an inflorescence, inflorescences remaining quiescent, and inflorescence abortion. Individual florets that had not reached stage “Late G” (gynoecium elongated, carpels fused) at the start of rapid inflorescence elongation aborted. The more florets that aborted, the greater the probability that the entire inflorescence aborted. The inflorescence was more vulnerable to stress during the first half of the growing season due to its relatively weak position in the hierarchy of sinks within the bulb.

scholarly journals Effects of Organic Manure Source and Weeding Frequencies on Growth Parameters of Jute Mallow (Corchorus olitorious)

2020 ◽  
pp. 28-36
Author(s):  
M. M. Olorukooba ◽  
R. Suleiman ◽  
O. Olukotun ◽  
R. Mohammed ◽  
E. Apene ◽  
...  
Keyword(s):  
Plant Height ◽  
Growth Parameters ◽  
Block Design ◽  
Poultry Manure ◽  
Field Trials ◽  
Organic Manure ◽  
Cow Dung ◽  
Weed Infestation ◽  
Number Of Leaves ◽  
Experimental Treatments

Field trials were carried out during 2018 and during 2019 dry season periods at Federal College of Forestry and Mechanization Afaka Kaduna, located between latitude 10° 35”N and longitude 007° 21”E at altitude 644 m above sea level, to determine the effects of organic manure source and weeding frequencies on growth parameters of jute mallow (Corchorus olitorious). The experimental treatments consists of ten combinations of poultry manure + weed free, cow dung + weed free, goat dropping + weed free, poultry manure + weeding at 2 WAT, cow dung + weeding at 2 WAT, goat dropping + weeding at 2 WAT, poultry manure + weeding at 4 WAT, cow dung + weeding at 4 WAT, goat dropping + weeding at 4 WAT and  no organic manure application + no weeding which were laid out in a randomize complete block design (RCBD) and replicated 3 times The growth parameters observed  and measured were crop vigour score, plant height, shoot diameter, number of leaves and number of  primary branches. Result of the study showed that at harvest (8 WAT) all the treatments significantly affected the vigour of jute mallow crop and gave comparable score than the least observed with no nutrient + no weeding as control. The result revealed that plant growth at harvest exhibited significantly taller plant with application of poultry manure + weeding at 2 WAT. In conclusion the result obtained from the study showed that poultry manure at 4 tons /ha + weeding at 4 WAT resulted in taller plant height, wider shoot diameter, increased number of leaves, number of branches than all other treatment due to lower weed infestation, it is therefore recommended as the best treatment combination to obtained the best growth rate of jute mallow.

scholarly journals Efficacy of tulsi leaves and neem leaves extract in broiler production

2014 ◽  
Vol 11 (1) ◽  
pp. 1-5 ◽  
Author(s):  
S Khatun ◽  
M Mostofa ◽  
F Alom ◽  
J Uddin ◽  
MN Alam ◽  
...  
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Body Weight Gain ◽  
Control Group ◽  
Broiler Chicks ◽  
Growth Promoter ◽  
Neem Extract ◽  
Final Body Weight ◽  
Neem Leaves ◽  
Group A

The efficacy of tulsi (Ocimum sactum) and neem (Azadirachta indica) leaves extract as a growth promoter were studied in broiler. A total of 40 day-old broiler chicks were purchased from Kazi hatchery and after three days of acclimatization the chicks were randomly divided into four groups (n=10). No vaccination schedule was practiced and no antibiotic was added in ration of group A, B, C, and D respectively. Group A served control without any supplements while group B, C and D were supplemented with combination of tulsi and neem extract @ 1 ml, 2ml and 3 ml/liter of drinking water. Live body weight gain was recorded weekly up to 6th weeks and hematological studies were performed at 21st and 42nd day of experiments. At the end of 42nd day of experiment final body weight of group A, B, C and D were 1561± 12.10 g, 1698± 12.87 g, 1608± 12.04 g and 1763± 13.28 g, respectively. The birds of group D utilized their feed more efficiently among the treatment groups (p<0.05). The net body weight gain were, 1533± 11.98 g, 1443± 11.32 g and 1588± 12.10 g in treated groups compared to control group (1393± 11.07 g ) and total net profit per broiler was 19.08, 40.10, 20.68 and 45.07 Taka , respectively. Hematological parameterss (TEC, PCV, Hb and ESR) were not significantly changed among the treated and control group suggesting no side effects of herbal extracts in broiler. It can be concluded that tulsi and neem extract is economic and safe in broiler production.DOI: http://dx.doi.org/10.3329/bjvm.v11i1.17728 Bangl. J. Vet. Med. (2013). 11 (1): 1- 5

scholarly journals UAE Neem Extract as a Corrosion Inhibitor for Carbon Steel in HCl Solution

2010 ◽  
Vol 2010 ◽  
pp. 1-9 ◽  
Author(s):  
Ayssar Nahlé ◽  
Ideisan Abu-Abdoun ◽  
Ibrahim Abdel-Rahman ◽  
Maysoon Al-Khayat
Keyword(s):  
Weight Loss ◽  
Carbon Steel ◽  
Adsorption Isotherm ◽  
Corrosion Inhibitor ◽  
Room Temperature ◽  
Tannin Content ◽  
Neem Extract ◽  
Neem Leaves ◽  
Temkin Adsorption Isotherm ◽  
Hcl Solution

The effect of aqueous extract of UAE Neem (Azadirachta Indica) on the corrosion inhibition of carbon steel in 1.0 M HCl solution was investigated electrochemically, and by weight-loss experiments at temperatures ranging from 303 to 343 K. The percentage inhibition increased with the increase of the concentration of the inhibitor. At a concentration of 2.0 g/L, the percentage inhibition reached about 87% at room temperature and 80% at 303 K. The percentage inhibition decreased with the increase of temperature. The thermodynamic parameters for the adsorption of this inhibitor on the metal surface were calculated using the Temkin adsorption isotherm. The aqueous Neem leaves extract was found to be an excellent potential corrosion inhibitor because of the high content of tannin content as well as the presence of a series of complex triterpene glycosides.

Investigation on antimutagenic effects of neem extract against lead induced genotoxicity in Allium cepa L.

2018 ◽  
Vol 26 (2) ◽  
pp. 344
Author(s):  
Shalini Singh ◽  
Anjali Singh ◽  
Aradhana Singh ◽  
Meenakshee Pandey
Keyword(s):  
Allium Cepa ◽  
Neem Extract ◽  
Allium Cepa L
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