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List of Plant Protection Products (PPPs)

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Products (PPPs) which allowed for use in Slovenian hop gardens in the year 2024. The list includes all PPPs that are allowed for use on hops in Slovenia and have known maximum residue limits for PPPs on hops in Europe, the United States, and Japan. When using specific PPPs, strictly follow the instructions for use, which include the dosages, the maximum number of sprayings per year, the waiting period, and safety distances from water sources. If possible, based on the mode of action of the active substance listed in the third column of each table (FRAC/IRAC classification), choose a different active ingredient/product than the one used in the previous year. This is good for an anti-resistance strategy.

For PPPs with a safety distance greater than 20 meters, you can appropriately reduce the safety distance according to the decision on the registration of the individual PPP. You can achieve this by using Agrotop TD nozzles that reduce drift by 90%, applying the PPP correctly along the edges of plots, where you use a one-sided air barrier of the fan, and considering the weather conditions during spraying.

It is also necessary to strictly follow the Regulation on the proper use of PPPs (Official Gazette of the Republic of Slovenia, No. 71/14, 28/18, 56/22 and 155/22), the Regulation on integrated plant protection against harmful organisms (Official Gazette of the Republic of Slovenia, No. 43/14), and the Regulation on the requirements for the proper functioning of devices for applying PPPs and the conditions and methods of their inspections (Official Gazette of the Republic of Slovenia, No. 101/13, and 36/19). We recommend that you consult with your hop buyer about any additional restrictions before using PPPs on hops.

This year’s List of allowed PPPs for hop protection in Slovenia does not differ significantly from 2023. We got a new insecticide Asset five, contains natural pyrethrin and is approved for the control of hop damson aphids and the spring generation of hop flea beetles. However, we face many limitations of individual active ingredient because they do not have known export tolerances or maximum residue levels (MRLs) for certain global markets where we export hops. This year, the use of the acaricide Kanemite SC (a.i. acequinocyl) is still prohibited if the hops are exported to China. Also, the use of the fungicide Folpan 80 WDG (folpet) is highly restricted or prohibited if hops are exported to Korea. For this fungicide, the MRL for America is lower (120 ppm) than for Europe (400 ppm), which should be taken into account when using it.

The new insecticide a.s. ciantraniliprole (Exirel) still has no known export tolerances for America (we expect the year 2024), so its use for controlling the hop flea beetle’s spring appearance is quite limited.

Also, the active substance milbemectin still has no known export tolerances for the American market, so the use of Milbeknock acaricides is limited (consult with your hop buyer about the possible use of a.s. milbemectin).

Plant protection products in hops 2024 in Slovenia (2024 – in English): docx [59 kB], pdf [150 kB].

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