Seniors: 24-hour reports help determine the optimal time to spray broadleaf crops against larvae

15 November 21

24-hour reports help determine the optimal time to spray broadleaf crops against larvae

ADAMA’s innovative Trapview larval monitoring system helps growers and agronomists across South Australia and Victoria understand the optimal window of opportunity to target larvae and their hatching in a crop.

Traditionally, the best way for agronomists to determine if a crop has reached larval thresholds is through standard sweeping, which involves entering the pen and manually sweeping the crop for evidence of larvae.

Agronomist Beth Sleep said that while working in this way gives insight into active larvae in the crop, it does take time.

“ADAMA’s Trapview strives to eliminate these questions by providing regional data through a network approach,” explained Beth.

“It’s a great outreach tool for the agronomist to see regional results, as if a moth flight has passed, and provide data to other growers in the region. ”

How it works?

Trapview uses pheromones to attract moths and can then quantify thefts daily to generate a 24 hour report.

At a glance, the “trap” looks quite simple in its structure and assembly. This green mailbox uses modest but effective technology to attract, trap and report moth activity in a crop.

To attract moths, the device is loaded with a pheromone specially selected to attract the moth you are looking for. Once the butterfly has entered the trap, it will stick to a sticky sheet on the floor of the trap. A camera within the unit will take photographs of the parasites captured and using machine learning technology, it will be able to report the amount of moths captured during that 24 hour period.
Finally, the trap will remove the used sticky foil and reset with a new foil to perform the same process over the next 24 hours.

What are the advantages of using this technology?

In addition to reducing manual sweeping, Beth says the technology helps determine when the butterfly entered the crop and identify if and when a second flight has occurred.

“Being able to identify a 24 hour period during which the butterfly entered the culture means that we can determine when they laid their eggs. The eggs hatch within 10 to 14 days, which means there is now a window of opportunity to spray the crop, not only for active pests, but also for spraying hatchlings, ”Beth said.

“This allows us to determine the best time to spray the crop so that we don’t miss subsequent flights like we would if we sprayed too early. ”

At the regional aggregate level, daily report giving an overview of the quantity of larvae observed in the region over a 24 hour period.

“The reports provide us (the agronomists) with the trends that are happening right now across the region, which means we can be on the alert for clients in different locations,” Beth said.

“We know that moths arrive from the north and can see flights arriving that way, which helps predict what’s to come. This is invaluable information and can help take the lead for any issues that may arise. ”

Beth uses Trapview technology as another tool, in conjunction with sweeping when making spray recommendations to her clients.

“Trapview is a great tool that allows me to provide my clients with the best advice, in conjunction with manual scanning, to determine the situation in each paddock.”

“The greater the number of agronomists using this type of technology, the more data is available for the entire network. So I encourage growers and agronomists to consider how this can help with crop monitoring in their own plots. ”

Disclaimer

Elders Ltd. published this content on November 15, 2021 and is solely responsible for the information it contains. Distributed by Public, unedited and unmodified, on November 15, 2021 06:09:07 AM UTC.


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