Effect of Plant Varieties and Potassium Fertilization on the Population Densities of Certain Homopterous Insects Infesting Cucumber and Squash Plant Varieties

Hegab, Ola; Hegab, A.

doi:10.21608/jppp.2009.122322

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…These results are similar with those obtained by Hegab-ola andHegab (2009), El-Naggar et al,(2014) and El-Mesawy (2018) ,who indicated that there are significantly differences between the average numbers of aphids and whitefly, B.tabaci and the different cucurbit crops.…”

Section: Table 2 Simple Correlation Coefficients (R) and Explained Variance (Ev%)supporting

confidence: 91%

Ecological Studies of Certain Piercing-Sucking Insects Infesting Squash Plants and Relation with Their Chemical Constituents

Hegab

2018

Egyptian Academic Journal of Biological Sciences. A, Entomology

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The homopterous insects are considered polyphagous pests on some cucurbitaceous crops. The objective of aim study was to survey the aphids, leafhoppers and whitefly insect species infesting certain varieties of squash plants i.e.(hybrid Otto, hybrid Daphne and hybrid Aziad) and also to study the seasonal abundance of the dominant species as well as to evaluate the effect of different varieties and their chemical constituents on the population density of the aforementioned homopterous insects during the studying period. The present experiments were carried out at the experimental farm belonging to the faculty of agriculture , zagazig university during 2016 and2017 seasons. The least susceptible variety of squash was Aziad hybrid variety, while the highest susceptible variety was Daphne hybrid variety and the certain chemical constituents in all tested varieties were associated with the insects infestation. The resistance variety should be used as an effective factor in integrated pest management programs which played an important role in depressing the population of the tested insects.

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Section: Table 2 Simple Correlation Coefficients (R) and Explained Variance (Ev%)supporting

confidence: 91%

Ecological Studies of Certain Piercing-Sucking Insects Infesting Squash Plants and Relation with Their Chemical Constituents

Hegab

2018

Egyptian Academic Journal of Biological Sciences. A, Entomology

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“…This may explain the decrease in insect numbers with increasing rates of fertilization. Based on these findings, potassium fertilization is recommended as an effective component in IPM for maize (Ata et al, 2022;Hegab and Hegab, 2020), and barley (Elsamed and Eisa, 2017) In cucumber and squash increasing the amount of potassium fertilizer caused a reduction in the population density of A. gossypii, B. tabaci and Earias insulanain in cotton (Hegab and Hegab, 2009) Awad (2022) investigated the influence of potassium fertilizer and organic nutrient (Reef Amirich) on the population density of B. tabaci and T. tabaci. Results showed that potassium sulphate fertilization rates (50, 100 and 150 kg/ ha) and organic nutrient (0.8 and 1.6ml/ l) reduced the population of B. tabaci and T. tabaci.…”

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confidence: 99%

Influence of Potassium Fertilization on the Incidence of Sucking Insect Pests on Cucumber

Wahsh,

Awadalla,

El-Serafi

et al. 2023

IJE

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Experiments were conducted in Fayoum Governorate, to study the effect of potassium (K) fertilization on the incidence of Aphis gossypii (Glover), Bemisia tabaci (Gennadius), Nezara viridula (L), Phenacoccus solenopsis (Tinsley), Thrips tabaci (Lindeman), Myzus persicae (Sulzer), Empoasca decedens (Paoli), and Empoasca decipiens (Paoli) in cucumber during March planting season of 2018 and 2019. Three levels of potassium (25, 50 and 75 kg/ feddan) were used with a fertilizer containing 24% K2O. The control had no potassium (0 kg). The incidence rates of all the pests was observed to be maximum with nil potassium (0 kg) fields (30.8% and 30.6%). The least incidence was observed with 75 kg potassium (19.3% and 19.1%) indicating that increased potassium reduced incidence of some sucking pests.

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Effect of Plant Varieties and Potassium Fertilization on the Population Densities of Certain Homopterous Insects Infesting Cucumber and Squash Plant Varieties

Cited by 2 publications

References 2 publications

Ecological Studies of Certain Piercing-Sucking Insects Infesting Squash Plants and Relation with Their Chemical Constituents

Ecological Studies of Certain Piercing-Sucking Insects Infesting Squash Plants and Relation with Their Chemical Constituents

Influence of Potassium Fertilization on the Incidence of Sucking Insect Pests on Cucumber

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