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Agroforum Extra 40.

From “Scientia amabilis” (gently science) through botanical skills to mechanised chemical weed control …
(Dr. Gabriella Benécs Bárdi)

The revision of herbicide active substances used in Hungary (2004-2010) from the point of view of using
(Dr. Ágnes Pethő, László Szentey, Tibor Baranyi)
The authors from the Directorate of Plant Protection, Soil Conservation and Agri-environment of the Agricultural Office give an account of herbicide supply from Hungary’s accession to the European Union.

Recently registered herbicides
(László Szentey)
The weed control officer of the Directorate of Plant Protection, Soil Conservation and Agri-environment of the Agricultural Office presents the recently registered herbicides and the related weed management programmes.

Get to know the technical journal “Weeds, weed control”! Interview with dr. József Karamán
(Zoltán Molnár)
The editor in chief of “Weeds, Weed control” presents their journal in the interview.

Weed control in winter and spring cereals
(Balázs Gyulai)
Cereal growing has a long tradition in Hungary. Its success highly depends on weed infestation and the efficacy of its control. This is why we believe it is worthy to sum up the major weeds of these crops, weed infestation conditions, as well as the weed management methods and options.

Controlling cereal weeds in 2011 (x)
(László Farády)
Have a look at the cereal herbicides of Bayer CropScience.

Weed plants in our sunflower fields
(Dr. Gyula Pinke, Dr. Péter Karácsony)
Weed control in sunflowers is a big challenge for growers, therefore it is important to know the weed species covering the highest areas in the fields. This is why the article summarises the results of the country-wide weed surveys in sunflower fields. The problem-weeds, illustrated with photos, are discussed here.

Weed control in sunflowers nowadays
(Zoltán Papp)
Weed control in sunflowers is only a link in the chain of the crop management programme, but its good or wrong implementation significantly influences the results of the subsequent plant protection techniques. Successful weed control is a complex process where it is not enough to base only on the chemicals solution. Various conditions have an effect on efficient weed control. The article considers these factors one after the other.

Higher yields in larger areas of sunflowers? (x)
(Tivadar Mathiász)
Protection from sowing and crop safety till harvesting in sunflowers offered by Kwizda Agro.

Three active substances for higher volume of sunflowers (x)
(Gy. A.)
Growers’ experiences with using DuPont pesticides in sunflowers are outlined under this heading.

(Szentey László)
The article helps readers get to know the mode of action of sulfonylurea herbicides. At the same time the history, research strategy and the risk factors involved in using such products are also discussed.

Solutions of maize weed control proved also under extreme weather conditions (x)
(György Salamon)
Have a look at the weed control offer of Nufarm Hungária Kft. for maize growers.

Weed management programmes in maize and the outcome of the four-year long trials (2007-2010) carried out at Szeged
(Dr. Endre Széll,Máté Makra)
The investigators of the Cereal Research Non-Profit Company discuss the results of their trials carried out with various weed management programmes in maize. They describe the advantages and drawbacks of the most important types of application (pre-emergence, early and normal post-emergence), as well as the herbicides registered for use in the crop.

Hunting for weeds! (x)
(Dr. Zsolt Varga)
The weed management programmes in maize from Cheminova can be found below this heading.

The importance of band spraying technique in maize
(Anett Sinka)
This study presents the economic experience drawn from the example of Agárd Farm Kft. with an environmentally friendly technique, i.e. site-specific weed control applied in maize.

Damage by Johnsongrass and the options of its control in maize
(Dr. Veronika Dobszai-Tóth)
It is a continuous and recurrent task year by year for growers to keep infestation of Johnsongrass at a low level by agronomic and chemical methods. Among them, the article summarises the options of chemical control against the weeds raised from both seeds and rhizomes. The most conspicuous damages and the causes of high weed infestations are also described.

Jumbo Turbo – a new herbicide package for in-crop protection of maize (x)
This is the new herbicide package from BASF to maize growers.

The factors influencing the efficacy of herbicides …
(Endre Máté, Dr. István Dávid)
Do you know how many percent of 100% biological efficacy can be attributed directly to the applied herbicide itself? If you as a user have chosen an appropriate herbicide, have done only 50 % of the job. The other 50 % needed for the success depends on timing, application technique, nozzle use and other small matters. This article deals with such, by no means negligible factors.

Ideas about maize weed control in spring (x)
(Szilvia Tóth Csantavéri)
Get to know the weed control programme in maize from Syngenta Kft.

Experience of and recommendations for weed control – as seen from the point if view of an advisor Report
(Attila Kosztolányi)
We asked László Jeney, pest management adviser working in the district of Kiskunlacháza in county Pest about his experience and challenges encountered in 2010. He also talked about the aspects of application technique well worth taking into consideration in weed control.

Each weed presses but not each pressure is fatal …
(Roland Szabó)
The past year gave an opportunity for various interesting observations to those professionals who are devoted to examine plant associations in cultivated areas. The irregular appearances of plants inspired the author to re-interpret the terms and etymology of weed and weed plant based on the available information.

If ragweed then it’s dr. Anna Páldy’s turn. Report
(Dr. László Bódis)
Three years after our visit we have asked again the deputy director general of the National Institute of Environmental Health (NIEH) in order to get information about the ragweed case.

Possibilities for chemical control of ragweed in the fields
(Zsuzanna Hoffmann Pathy)
We have not paid enough attention to the effective and complex control of ragweed during the past years and decades. To tell the truth, no appropriate products have been available in certain cases. It is possible to suppress ragweed in cultivated fields only by a professional and rational use of herbicides. The options for the particular crops are presented in the article.

Weed control in vineyards, orchards and woodland (x)
(Ferenc Jáger, Roland Szabó)
Sumi Agro Hungary Kft. recommends its weed control programme to fruit and grapevine growers and foresters.

Closing the season – opening the season
(Dr. László Bódis)
This is a brief summary about the meeting of Szekszárdi Növény Zrt. with its partners.

Browsing in foreign journals
(Compiled and translated by: Eszter Polgár Balogh)
Reviews of certain interesting articles published in foreign journals can be found below this heading.

Written anno…
(Dr. Péter Inczédy)