Fungicide use reduction in apple production—potentials or pipe dreams?

Penrose, L. J.

doi:10.1016/0167-8809(94)00580-8

Cited by 14 publications

(3 citation statements)

References 46 publications

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“…In the pest management literature, the term "risk" is sometimes used in the same way (59). Based on a study that monitored growers' use of pesticides, and disease and insect incidence in apples, Penrose et al (60) used anecdotal evidence to suggest that "acceptance of risk accounts for a large proportion of the differences in pesticide use in different orchards."…”

Section: Differing Cost-risk and Benefit-risk Analyses For Growers Pmentioning

confidence: 99%

PATTERNS OF PESTICIDE USE IN CALIFORNIA AND THE IMPLICATIONS FOR STRATEGIES FOR REDUCTION OF PESTICIDES

Epstein

Bassein

2003

Annu. Rev. Phytopathol.

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We used the California Pesticide Use Reports to study use of fungicides, bactericides, fumigants, and selected insecticides, primarily for vegetable, fruit, and nut production in California from 1993 to 2000. There were no obvious trends in decreased use of most compounds used to treat plant disease. However, growers have rapidly adopted recently introduced "conventional" compounds. There is very limited use of microbial biocontrol agents to control plant disease and no indication of an increase. We used case studies to explore the potential of different strategies to reduce pesticide use or risk. There have been reductions in use of organophosphate insecticides, largely by substitution with pyrethroids. Theoretically, replacement of "calendar spray" pesticide programs with "environmentally driven" programs could reduce pesticide use in years with lower disease pressure, but this assumes that the majority of growers currently use a "calendar spray" program and that growers who use less than recommended by an environmentally driven program would not increase their use.

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Section: Differing Cost-risk and Benefit-risk Analyses For Growers Pmentioning

confidence: 99%

PATTERNS OF PESTICIDE USE IN CALIFORNIA AND THE IMPLICATIONS FOR STRATEGIES FOR REDUCTION OF PESTICIDES

Epstein

Bassein

2003

Annu. Rev. Phytopathol.

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“…Reduced dose.s of fungicides in combination with other control methods, such as host resistance (40,41), fungicide mixes (3), host resistance enhancers (2,33). and other pathogens to sublethal fungicide concentrations can occur in ornamental facilities that use recirculating watering systems.…”

Section: Cone (Mg/ml)'mentioning

confidence: 99%

Sublethal Doses of Mefenoxam Enhance Pythium Damping-off of Geranium

et al. 2011

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“…Our findings open the possibility for the reduction of fungicide rates when applied in low-volume (more concentrated) mixtures. This has been reported in previous studies conducted in Australia, the UK, and the Netherlands in different pathosystems (Penrose 1995;Wicks and Nitschke 1986). For instance, Wicks and Nitschke (1986) tested the effectiveness of fenarimol and a pre-mixture of etaconazol + captan in managing apple scab caused by Venturia inaequalis in Australia.…”

Section: Final Considerations Of a Low-volume Spray Technology For DImentioning

confidence: 70%

Effectiveness of a Low-volume Spray Technology in the Control of Major Strawberry Diseases in Florida

Cordova

Peres

2016

Plant Health Progress

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Florida strawberry production is greatly affected by Botrytis and anthracnose fruit rots (BFR and AFR), caused by Botrytis cinerea and Colletotrichum acutatum, respectively. Fungicide applications are the most effective method for control of both diseases. Traditionally, Florida strawberry growers use sprayers mounted with hydraulic nozzles delivering high flow rates. The objective of this study was to compare the standard hydraulic nozzle (SHN) sprayer with the air-assisted rotary atomizer (AARA). The effects of low volumes on the control of BFR and AFR, the reduction of 25% on fungicide rate, and their operational efficiency were evaluated, and an economic analysis was conducted. Two experiments were conducted (in the 2014-2015 and 2015-2016 seasons) where three treatments were compared: two using the AARA at 25 gal/acre, one of these with 75% of the fungicide rate; and one using the SHN at 100 gal/acre. In the first season, yield, AFR control, and BFR control were similar for all three treatments. In the second, BFR control was similar among all the treatments. However, the AARA treatment had a higher yield than the SHN, with the AARA (75% rate) being more productive. The operational capacity in acres per hour of the AARA was 17% higher than the SHN. Labor and fungicide costs were lower in the AARA treatments. Thus, the technology was shown to be a good fit for Florida growers. Accepted for publication 25 October 2016.

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Fungicide use reduction in apple production—potentials or pipe dreams?

Cited by 14 publications

References 46 publications

PATTERNS OF PESTICIDE USE IN CALIFORNIA AND THE IMPLICATIONS FOR STRATEGIES FOR REDUCTION OF PESTICIDES

PATTERNS OF PESTICIDE USE IN CALIFORNIA AND THE IMPLICATIONS FOR STRATEGIES FOR REDUCTION OF PESTICIDES

Sublethal Doses of Mefenoxam Enhance Pythium Damping-off of Geranium

Effectiveness of a Low-volume Spray Technology in the Control of Major Strawberry Diseases in Florida

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