Induction of Systemic Resistance to Powdery Mildew and Growth Increase in Cucumber by Phosphates

Reuveni, M.; Agapov, V.; Reuveni, R.

doi:10.1080/01448765.1993.11978501

Cited by 49 publications

(23 citation statements)

References 15 publications

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“…The examined mineral salts as chemical inducers showed high efficacy against powdery mildew of cucumber agrees with the findings of Reuveni et al (1993). Also, phosphate salts showed potential effect against various diseases of cucumber (Mucharromah and Kuc, 1991) and this is makes it ideal biocompatible fungicides.…”

Section: Discussionsupporting

confidence: 74%

Chemical inducers for resistance induction against powdery mildew of cucumber under greenhouse conditions

Hamza

Mohamed

Derbalah

2017

Acta Phytopathologica et Entomologica Hungarica

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This study was completed to assess the efficacy of certain chemical inducers (potassium dihydrogen phosphate, potassium monohydrogen phosphate, oxalic acid, salicylic acid, sodium salicylate, ferrous sulfate and magnesium sulfate) compare to flusilazole fungicide against Sphaerotheca fuliginea, the causative fungus of powdery mildew of cucumber under greenhouse conditions. The impact of these elicitors on some biochemical and growth characters of cucumber was also examined. The data demonstrated that the flusilazole was the best treatment against powdery mildew followed by salicylic acid, potassium dihydrogen phosphate, magnesium sulfate, ferrous sulfate, oxalic acid and potassium monohydrogen phosphate, respectively. Marked raise in the measured biochemical parameters (chlorophyll content, peroxidase and polyphenoloxidase) of treated cucumber compare to untreated control. Growth and yield characters (plant height, number of fruits/plant and yield/plant) of cucumber were remarkably increased in cucumber treated with examined elicitors compare to untreated control. The examined chemical inducers could be counted as stand by for control powdery mildew of cucumber.

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Section: Discussionsupporting

confidence: 74%

Chemical inducers for resistance induction against powdery mildew of cucumber under greenhouse conditions

Hamza

Mohamed

Derbalah

2017

Acta Phytopathologica et Entomologica Hungarica

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“…Verma and Sen (2008) found enhanced growth with foliar application of GA 3 and NAA in coriander. Reuveni et al (1993) reported that a single spray of K 2 HP0 4 on leaf stage applied 2 or 4 days before disease inoculation, stimulated plant growth. -Tocopherol and salicylic acid treatment significantly (P0.05) increased mean seed yield (Table 1).…”

Section: Resultsmentioning

confidence: 99%

Effect of foliar application of growth activator, promoterand antioxidant on seed quality of soybean

Kuchlan

Husain

2016

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Loss of seed quality in soybean is a serious problem in tropical and subtropical region. Foliar application of salicylic acid (SA), GA 3 and acetyl salicylic acid (50 ppm) at seedling and pod filling stage, K 2 HPO 4 (2%), -tocopherol (100 ppm) at flowering and pod filling stage was done on soybean varieties -NRC 7 and JS 335. Foliar application of SA showed positive effect on seed yield, seed health, germination and seed vigour during storage. Plant height was significantly improved by the GA 3 spray in both the varieties. Significantly higher seed yield was obtained with foliar spray of -tocopherol. Application of SA was found effective to protect plants from various diseases to get quality seed. -Tocopherol and K 2 HPO 4 treatment significantly reduced MDA production in seeds. -Tocopherol application increased super oxide dismutase activity as a result the lipid peroxidation of seed during storage was significantly reduced. Application of -tocopherol, K 2 HPO 4 and salicylic acid improved the storage or keeping quality of soybean seed.

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“…The obtained results by using foliar spray with phosphate salts in controlling the powdery mildew fungus has been clearly determined and are in line with the findings of the previous reports. Phosphate salts might be ideal biocompatible fungicides due to their efficiency in suppressing and controlling powdery mildew on cucumber Reuveni et al, 1993) and on various crops, as reported previously. The rapid absorption of phosphate by the plant tissues and their extreme mobility within tissues, as well as their low cost, low animal toxicity, comparative environmental safely and their nutrient value, make them ideal foliar fertilizers which can be used for disease control Calcium chloride might reduce fungal infection through direct inhibition of spore germination and growth (Wisniewski et al, 1995 ).…”

Section: Discussionmentioning

confidence: 92%

Controlling of Mango Powdery Mildew by some Salts, Growth Regulators and the Biofungicide AQ10 Compared with Punch Fungicide in Egypt

Azmy¹

2014

AJLS

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Abstract:Two experiments on 10 years old mango trees, Saddeka cv. (high susceptible cultivar) were conducted under field condition during 2012 and 2013 growing seasons for management of powdery mildew at El Adleia district, Belbees county, ElSharkia governorate. In these trials, mango trees were sprayed with two potassium phosphate salts , calcium chloride ,three commercial growth regulators ,i.e. Agrotone (NAA), Cultar (paclobutrazol) , and Berelex (GA3), the bio-fungicide AQ10 (Ampelomyces quisqualis) , the commercial systemic fungicide Punch (flusilazole) and an alternate among Cultar ( paclobutrazol ), monobasic phosphate and the fungicide Punch. The aforementioned treatments were applied at 14 days intervals during both growing seasons starting at bud flower burst stage till full bloom stage in order to evaluate their efficiency on management mango powdery mildew disease. The obtained results showed that spraying of mango trees ( Saddeka cv.) during 2012 and 2013 growing seasons with any of the tested treatments significantly reduced the severity of powdery mildew with significant increase to the produced fruit yield compared with control treatment.In addition, results of both seasons revealed that alternation spray among Cultar ( paclobutrazol ), mono basic potassium phosphate and the fungicide Punch was the most superior treatment in reducing severity of the disease and producing the highest fruit yield followed by spraying of the fungicide Punch then spraying of mono basic potassium phosphate . Meanwhile, Brelex was of the lowest efficiency treatment in this regard followed by spraying of Agrotone . The other treatments recorded intermediate figures. Control treatment recorded 44.3 % disease severity and produced poor fruit yield.

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Induction of Systemic Resistance to Powdery Mildew and Growth Increase in Cucumber by Phosphates

Cited by 49 publications

References 15 publications

Chemical inducers for resistance induction against powdery mildew of cucumber under greenhouse conditions

Chemical inducers for resistance induction against powdery mildew of cucumber under greenhouse conditions

Effect of foliar application of growth activator, promoterand antioxidant on seed quality of soybean

Controlling of Mango Powdery Mildew by some Salts, Growth Regulators and the Biofungicide AQ10 Compared with Punch Fungicide in Egypt

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