Antifungal Activity of Methanol Extracts of Leonotis nepetifolia L. and Ocimum gratissimum L. against Ascochyta Blight (Phoma exigua) on French Bean

Ochola, Sylvans Ochieng; Ogendo, Joshua O.; Wagara, I. N.; Ogweno, Joshua Otieno; Nyaanga, Jane; Ogayo, Kennedy

doi:10.3923/ajppaj.2015.27.32

Cited by 5 publications

(1 citation statement)

References 5 publications

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“…Antifungal, antibacterial and antioxidant activities of L. nepetifolia and O. gratissimum have also been confirmed [20] [21].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Lion’s Ear (Leonotis nepetifolia) and African Basil (Ocimum gratissimum) Plant Extracts on Two-Spotted Spider Mites (Tetranychus urticae) for Improved Yield and Quality of French Beans

Ogayo¹,

Nyaanga²,

Ogweno³

et al. 2019

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An experiment to evaluate the bio-control potential of Leonotis nepetifolia and Ocimum gratissimum plant extracts against two-spotted spider mites on French beans was conducted in the field. Five plant extract concentrations (1.5%, 3.0%, 6.0% and 12.0% w/v) were applied with water and Abamectin 0.6 ml/L as controls. Mite counts were done before and after treatment application and expressed as corrected percent efficacy. The impact of the mites on the French beans was evaluated by recording percent leaf reduction and quality and quantity by number of pods, pod length, diameter and yield. There was a dose dependent response in percent mite and leaf reduction, number of pods and yield. Treatments applied at 12% w/v indicated higher mite reduction (82.75%) for L. nepetifolia and 69.06% for O. gratissimum compared to abamectin (65.76%). The lowest percent leaf reduction of 1.71% for L. nepetifolia 0.39% for O. gratissimum and abamectin (20.46%) was also at 12% w/v. Similarly, the highest number of pod (61.00) for L. nepetifolia, 48.67 for O. gratissimum compared to 28.33 abamectin and yield (0.88 kg) for L. nepetifolia and 0.90 kg for O. gratissimum was also recorded at 12% w/v compared to 0.36 kg for abamectin. There were no significant differences in pod diameter and pod length between the extracts concentrations and abamectin. The study demonstrated the efficacy of L. nepetifolia and O. gratissimum in managing two-spotted spider mite and subsequent increase in French bean yield under field conditions.

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“…Antifungal, antibacterial and antioxidant activities of L. nepetifolia and O. gratissimum have also been confirmed [20] [21].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Lion’s Ear (Leonotis nepetifolia) and African Basil (Ocimum gratissimum) Plant Extracts on Two-Spotted Spider Mites (Tetranychus urticae) for Improved Yield and Quality of French Beans

Ogayo¹,

Nyaanga²,

Ogweno³

et al. 2019

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Inhibition of anthracnose symptoms in common bean by treatment of seeds with essential oils of Ocimum gratissimum and Syzygium aromaticum and eugenol

et al. 2022

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Efficacy of different fungicides, plant extracts and bioagents against Phoma exigua causing Ascochyta blight of common bean (Phaseolus vulgaris L.)

Wani

Shah

et al. 2022

Indian Phytopathology

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Antifungal Activity of Methanol Extracts of Leonotis nepetifolia L. and Ocimum gratissimum L. against Ascochyta Blight (Phoma exigua) on French Bean

Cited by 5 publications

References 5 publications

The Effect of Lion’s Ear (<i>Leonotis nepetifolia</i>) and African Basil (<i>Ocimum gratissimum</i>) Plant Extracts on Two-Spotted Spider Mites (<i>Tetranychus urticae</i>) for Improved Yield and Quality of French Beans

The Effect of Lion’s Ear (<i>Leonotis nepetifolia</i>) and African Basil (<i>Ocimum gratissimum</i>) Plant Extracts on Two-Spotted Spider Mites (<i>Tetranychus urticae</i>) for Improved Yield and Quality of French Beans

Inhibition of anthracnose symptoms in common bean by treatment of seeds with essential oils of Ocimum gratissimum and Syzygium aromaticum and eugenol

Efficacy of different fungicides, plant extracts and bioagents against Phoma exigua causing Ascochyta blight of common bean (Phaseolus vulgaris L.)

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Antifungal Activity of Methanol Extracts of Leonotis nepetifolia L. and Ocimum gratissimum L. against Ascochyta Blight (Phoma exigua) on French Bean

Cited by 5 publications

References 5 publications

The Effect of Lion’s Ear (&lt;i&gt;Leonotis nepetifolia&lt;/i&gt;) and African Basil (&lt;i&gt;Ocimum gratissimum&lt;/i&gt;) Plant Extracts on Two-Spotted Spider Mites (&lt;i&gt;Tetranychus urticae&lt;/i&gt;) for Improved Yield and Quality of French Beans

The Effect of Lion’s Ear (&lt;i&gt;Leonotis nepetifolia&lt;/i&gt;) and African Basil (&lt;i&gt;Ocimum gratissimum&lt;/i&gt;) Plant Extracts on Two-Spotted Spider Mites (&lt;i&gt;Tetranychus urticae&lt;/i&gt;) for Improved Yield and Quality of French Beans

Inhibition of anthracnose symptoms in common bean by treatment of seeds with essential oils of Ocimum gratissimum and Syzygium aromaticum and eugenol

Efficacy of different fungicides, plant extracts and bioagents against Phoma exigua causing Ascochyta blight of common bean (Phaseolus vulgaris L.)

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Product

Resources

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The Effect of Lion’s Ear (<i>Leonotis nepetifolia</i>) and African Basil (<i>Ocimum gratissimum</i>) Plant Extracts on Two-Spotted Spider Mites (<i>Tetranychus urticae</i>) for Improved Yield and Quality of French Beans

The Effect of Lion’s Ear (<i>Leonotis nepetifolia</i>) and African Basil (<i>Ocimum gratissimum</i>) Plant Extracts on Two-Spotted Spider Mites (<i>Tetranychus urticae</i>) for Improved Yield and Quality of French Beans