Use of Natural Products for the Control of Powdery Mildew of Rose Plants

Scarito, G.; Salamone, A.; Zizzo, G.V.; Agnello, S.

doi:10.17660/actahortic.2007.751.32

Cited by 7 publications

(5 citation statements)

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“…The obtained strongly preventative effect of the tested plant derived agents against E. cichoracearum maybe due to contain inhibitory compounds. Other investigators reported that plant extracts and essential oils contain antifungal compounds that can inhibit the growth of certain plant fungal pathogens (El-Kazzaz et al, 2003;Farag et al, 1989;Krishna Kishore and Pandy 2007;Scarito et al, 2007;Sheng et al, 2005;Zambonelli et al, 1996).…”

Section: Resultsmentioning

confidence: 99%

Preventative and Curative Effects of Several Plant Derived Agents Against Powdery Mildew Disease of Okra

Moharam

Ali

2012

Not Sci Biol

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The preventative and curative effects of some plant derived agents based on plant extracts or essential oils were studied at different concentrations against Erysiphe cichoracearum DC. ex Merat, the causal pathogen of okra powdery mildew by the detached leaf-disk and potted plants bioassays. Through detached leaf-disk assay, the highest mean preventative effect (97.74%) was recorded by neem seed oil followed by jojoba oil (89.82%) and extract of Rynoutria sachalinensis (82.77%). Neem seed oil at 1% was the most effective agent followed by jojoba oil and extract of R. sachalinensis at 1.5% and 2%, respectively, where they suppressed E. cichoracearum completely. Potted plants assay revealed that neem seed oil, jojoba oil and extract of R. sachalinensis as well as the fungicide (active ingredient dinocap) showed higher preventative efficacy at all leaf olds treated after 7 and 14 days of inoculation as compared with extracts of henna and garlic. Moreover, the preventative efficacy partly remained apparent after 14 days of inoculation at all leaf olds tested. In field trials through 2010 and 2011 growing seasons, when the first symptoms of powdery mildew appeared naturally, 1.5% jojoba oil, 2% extract of R. sachalinensis and 1% neem seed oil were sprayed individually twice on grown plants to evaluate their efficacy on controlling powdery mildew, growth and yield of okra. Resulted showed that neem seed oil was the most effective agent and highly decreased the disease severity to 29.92%, recorded the highly curative effect (68.15%) and also improved plant growth and pods yield.

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Section: Resultsmentioning

confidence: 99%

Preventative and Curative Effects of Several Plant Derived Agents Against Powdery Mildew Disease of Okra

Moharam

Ali

2012

Not Sci Biol

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“…One of the practices used is that of applying fungicides that has become a remarkable component in the management of the disease. Scarito et al (2007) states that this disease can be controlled using organic synthesis chemicals, and Tjosvoldn and Koike (2001) noted that a large amount of pesticides are consumed to keep the pathogen under control. The use of these substances in large and repeated quantities also brings with it disadvantages, the pathogen develops resistance to fungicides, thus leading to the emergence of new strains but also representing a danger to the environment.…”

Section: Introductionmentioning

confidence: 99%

Quantification of the Attack Produced by Sphaerotheca Pannosa (Wallr.) Lev. Cousin. Rosae Woron and Diplocarpon Rosae Wolf in Some Rose Varieties

MUNTEANU¹,

Mitrea²

2023

AAMC

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In order for rose plants to develop normally, one of the conditions is the timely detection of attacks of damaging agents, an important place within which belongs to the phytopathogens Sphaerotheca Pannosa (Wallr.) Lev. Var. Rosae Woron and Diplocarpon Rosae Wolf. Quantifying the effect of the attack of pathogens Sphaerotheca pannosa and Diplocarpon rosae on the monitored rose varieties, revealed changes in some biological failures related to the ratio of the length / width of the leaflets and the diameter of the flower compared to the same parameters in the case of unattached organs.

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“…The use of microbial biocontrol agents has the potential to effectively replace fungicides in integrated disease management (McGrath, 1991). Powder mildew in commercial greenhouse roses is typically controlled by synthetic chemical products (Scarito et al, 2007). The objectives of this study were to assess the susceptibility of some rose cultivars to powdery mildew disease and to evaluate chemical and bio-fungicides for controlling the disease under field conditions.…”

Section: Introductionmentioning

confidence: 99%

Disease management of rose powdery mildew using some fungicides and biofungicides

El-Naggar,

El-Sheikh Aly,

El-Emary

et al. 2023

Archives of Agriculture Sciences Journal

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Powdery mildew, caused by the fungus Sphaerotheca pannosa var. rosae is a major pathogen in growing rose gardens. The conidia of the causal pathogen were isolated and collected from Assiut and Sohag governorates, Egypt. The pathological capacity of four fungal isolators was tested on the Eiffel Tower ( Rosa hybrida) cultivar, the isolate obtained from Assiut was the most severe infection isolate and the sensitivity reaction of the cultivars were tested using four cultivars of roses i.e., Eiffel Tower (R. hybrida), Multiflora rose (Rosa polyantha), Pine rose (Rosa pinetorum) and Dwarf rose (Rosa gymnocarpa). The cultivars showed varying degrees of significant responses to powdery mildew infection. R. polyantha had the highest disease severity, whereas R. pinetorum had the lowest severity. Greenhouse experiments were conducted to confirm the effectiveness of these fungicides. Six fungicides were tested: Bellis® 38% WG, Collis 30% SC, Dovex 50% SC, Montoro 30% EC, Tilt 25% EC, and Topsin M 70% WP. Both Dovex 50% SC and Montoro 30% EC, fungicide were completely suppressed the dise ase severity (0.00%) on R. polyantha and R. pinetorum after 45 days in both seasons compared to the control. Two commercial biofungicides were used, Bio-Arc 6% and Bio-Zeid 2.5%, which completely suppressed the disease severity (0.66 and 0.83%) and (0.33 and 0.83%) on R. polyantha, (1.16 and 1.16%) and (0.00 and 0.00%) on R. pinetorum, respectively, after 45 days in both seasons compared to the control.

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Use of Natural Products for the Control of Powdery Mildew of Rose Plants

Cited by 7 publications

References 0 publications

Preventative and Curative Effects of Several Plant Derived Agents Against Powdery Mildew Disease of Okra

Preventative and Curative Effects of Several Plant Derived Agents Against Powdery Mildew Disease of Okra

Quantification of the Attack Produced by Sphaerotheca Pannosa (Wallr.) Lev. Cousin. Rosae Woron and Diplocarpon Rosae Wolf in Some Rose Varieties

Disease management of rose powdery mildew using some fungicides and biofungicides

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