Control of apple diseases and pests with low spray volumes and reduced chemical rates

Wicks, T. J.; Nitschke, LF

doi:10.1016/0261-2194(86)90064-5

Cited by 11 publications

(2 citation statements)

References 7 publications

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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: 74%

“…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. They found that reduction of the flow rate from 85 to 11 gal/acre and reduction of fungicide to 25% of label rate did not jeopardize disease control, supporting our findings.…”

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

confidence: 74%

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

confidence: 74%

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

confidence: 74%

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

Penrose¹

1995

Agriculture, Ecosystems & Environment

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Effects of spraying volume and chemical rate on the control of apple scab (Venturia inaequalis) and codling moth (Cydia pomonella) in an apple orchard

Campbell¹,

Loveless²,

Evans³

1988

Crop Protection

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Control of apple diseases and pests with low spray volumes and reduced chemical rates

Cited by 11 publications

References 7 publications

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

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

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

Effects of spraying volume and chemical rate on the control of apple scab (Venturia inaequalis) and codling moth (Cydia pomonella) in an apple orchard

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