Your Dreams + Our Advice

We are here to provide hard-working farmers, like you, with the seeds and advice you need to ensure a healthy harvest. PANNAR helps you manage the risks that surround you, optimise your yield and plan for prosperity.

Your Risk Management + Our Performance and Stability

Our white hybrid package offers good performance, adaptability and stability. We help you optimise crop production for a thriving farming enterprise.

Your Passion + Our Support

During our 60 years as an African agribusiness, we’ve weathered some tough seasons alongside farmers. Yet, amid all the uncertainties in agriculture, they know they can count
on us for the best internationally-available seed technologies. 

Your Success + Our Winning Combination

Our irrigation wheat cultivars, PAN 3400, PAN 3471 and PAN 3497, offer great success in commercial plantings, with good disease tolerance and grading characteristics. They’re
the perfect choice for the irrigation farmer.

Your Local Needs + Our International Record

PANNAR’s incomparable grain sorghum package, backed by world class research, forms the backbone of grain sorghum production in South Africa. Discover a range of locally developed hybrids that are proudly planted worldwide.

Your Business + Our Renowned Performance

PANNAR sunflower hybrids are renowned for stable performance, providing good risk management. The package includes a complete range of hybrids with the CLEARFIELD® PLUS trait.

Product Stewardship

MANAGEMENT OF GENETICALLY MODIFIED MAIZE HYBRIDS

The use of genetically modified hybrids has made a significant impact on the management requirements and yield of maize. Glyphosate tolerance simplifies weed control and the Bt stalk borer resistance gene reduces the impact of stalk borer damage. Both of these features minimise the potential yield loss of the crop.

PANNAR's superior genetics are available in stalk borer resistant, glyphosate tolerant or stacked gene form, where both traits are combined in one hybrid. Grain producers may only cultivate hybrids containing any of the Genetically Modified (GM) traits if he/she has signed a valid Technology and Product Stewardship Agreement, thereby accepting the strict conditions and responsibilities regarding the planting and cultivation of the seed. Farmers are required to acquaint themselves with the GMO user guidelines and adhere to the requirements regarding the planting of suitable refuge areas in the case of Bt hybrids and the prescribed herbicide dosage and time of application for glyphosate tolerant hybrids. If there is any risk of cross-pollination from GM-maize to non-GM-maize cultivated for non-transgenic contracts, please take the necessary isolation precautions to minimise it.

GLYPHOSATE TOLERANT HYBRIDS

Hybrids with glyphosate tolerance offer effective crop management with unsurpassed broad-spectrum weed control and excellent crop protection. Use of this technology simplifies management considerably, has no residual effect in the soil and is environmentally friendly. It is essential to use a glyphosate tolerant hybrid as refuge for the stacked gene hybrids.

PANNAR markets maize hybrids with the glyphosate tolerance gene under licence from Monsanto (ROUNDUP READY® maize) and from Syngenta (AGRISURE® GT (GA21)). Only Roundup PowerMAX® (L7769) herbicide is recommended by the registration holder for post-emergence use on ROUNDUP READY® maize. For maize hybrids with the Syngenta AGRISURE® GT gene, only TOUCHDOWN Forte HITECH® (L7305) or HALEX® (L8415) is recommended by the registration holder for post-emergence use.

Glyphosate herbicide may be applied in combination with certain residual pre-emergence and post-emergence herbicides, independently or as tank mixtures. This provides additional flexibility and better weed control. Please consult your PANNAR or chemical representative for guidelines for the safe and optimal use of the glyphosate tolerant cultivars.

Management Guidelines:

  • Broadcast (over the top) glyphosate herbicide application should only take place from the GROUND CRACKING STAGE UP TO THE V8 STAGE of the maize plant. The V8 stage is reached when the first plants in the field have eight leaves, with closed collars around the main stem. The actual number of visible leaves may be more. Do not make broadcast applications if mechanical crop damage will occur due to the passage of the spray rig.
  • BROADCAST APPLICATION AFTER THE V8 STAGE MAY RESULT IN YIELD LOSS OR DELAYED MATURITY. For best results, use flat fan or twin jet nozzles that are suitable for low water volume deliveries.
  • Where sequential applications are necessary to control specific weed species (e.g. Cyperus esculentus), the second application should not occur within 10 days of the first application. If by this time the maize is beyond the V8 stage, a post directed application (see below) will be necessary.
  • Directed glyphosate applications between the rows can be made after the V8 stage where row spacing permits the passage of the application equipment, without causing mechanical damage to the maize crop.

Importance of managing herbicide tolerant crops and weed resistance to herbicides

Proper management of herbicide tolerant crop technology is important to preserve the effectiveness and value of the tolerant crop seed and its corresponding herbicides for future use. Growers who utilise herbicide programmes that include herbicide tolerant crops can do so on an annual basis provided the technology is effectively managed. If you have any questions, please contact your PANNAR sales representative or agronomist.

STALK BORER RESISTANT HYBRIDS

The stalk borer resistance gene in the PANNAR stalk borer resistant hybrids offers protection against first and second instar stalk borers and affords the crop the opportunity to develop to its full potential. The Bt gene will only control small, immature larvae and not adult larvae.

Insect Resistance Management Strategy:

The purpose of the strategy is the protection of the technology, extending its shelf life and ensuring its long-term usability. The insect resistance management strategy comprises the following elements and is legally binding:

  • Knowledge of pest biology and ecology.
  • Refugia to support the development of Bt susceptible insects.
  • Monitoring and reporting of incidents of insect resistance development.
  • Implementation of integrated pest management practices.
  • Communication and education.

The refuge area is a legal requirement and an integral component of Bt maize (B, CB, BR and CBGT) production. It must be planted in strict accordance with the applicable laws and rules. Please take the necessary precautions to protect the Bt technology. The refuge is also important if farmers encounter problems of any sort with Bt plantings. Continuous monitoring of maize plantings and stalk borer populations is important. Regular inspection will enable farmers to intervene and apply insecticides, if it appears that the stalk borer population is not being controlled by the Bt technology. Please consult your PANNAR representative for guidelines for the safe and optimal use of the Bt technology. The farmer can select one of the following options to plant a refuge:

Option A: 5% non-Bt maize refuge that may not be treated with an insecticide.

In practice, this means that for every 95 hectares of stalk borer resistant maize, the farmer must plant five hectares of non-Bt maize (i.e. maize without any Bt genes). This non-Bt maize may not be treated with any insecticide registered for control of maize stalk borers.

Option B: 20% non-Bt maize refuge that may be sprayed with a non-Bt protein-containing insecticide/biopesticide.

In practice, this means that for every 80 hectares of stalk borer resistant maize, the farmer must plant 20 hectares of non-Bt maize (i.e. maize without any Bt genes). This non-Bt maize can be treated with registered insecticides, but not with insecticides that contain Bt proteins.

In addition to planting a refuge according to Option A or B, the grower must also adhere to certain important requirements when planting the refuge.

Refuge:

  • The non-Bt maize (i.e. refuge) must –
    • have a similar maturity to the Bt maize;
    • be planted within seven days of planting the Bt maize;
    • be planted on the same farm as the Bt maize; and be planted under the same cultivation techniques and growing conditions as the Bt maize. Thus, if the Bt maize is planted under irrigation, the refuge maize must also be planted under irrigation. That being said, bear in mind that less water may be distributed at the outer edge of an irrigated field than in the centre.
  • Every farmer must plant his/her own maize refuge. In other words, neighbouring farmers' non-Bt maize lands may not serve as refuge.
  • Refuge "strip" areas must be at least six rows wide with no crossover of Bt and non-Bt rows. Refuge areas must be positioned in such a manner that some refuge is planted on the outside borders of the Bt maize.
  • Mixing of Bt maize seed and non-Bt maize (refuge) seed is not permissible.
  • Refuge maize must be planted in such a manner that no Bt plant is more than 400 m away from a refuge maize plant.
  • Farmers must regularly monitor and inspect their Bt crop (weekly) and immediately contact their seed representative or agent if stalk borer infestation exceeds the threshold values in the Bt maize. In the case of Monsanto, the threshold is 10% or more plants damaged. In the case of Syngenta, it is 5% or more plants.

Compliance with the insect resistance management strategy and particularly with the refuge requirements will be monitored as follows:

  • On-farm compliance monitoring by an independent third party; and
  • General compliance monitoring at individual seed company level during farmer visits.

The representative is required to advise the farmer to ensure on-farm compliance with the refuge planting provisions. It is of the utmost importance that the necessary technology stewardship requirements are observed. In instances where farmers do not comply with these requirements, it will be viewed in a very serious light.

Detailed guidelines for Bt maize production are available from the PANNAR representative.

* ROUNDUP READY® is a registered trademark used under licence from Monsanto Technology LLC.
* AGRISURE® GT (GA21) and the Syngenta logo are trademarks of, and used under licence from, a Syngenta Group Company.

Click below to download the guide on how to plant the correct refuge area for BT-Maize:

Download Guide


Product Catalogue

Click here to download our comprehensive 2017 Product Catalogue. To locate your nearest PANNAR Sales Representative, kindly navigate to our "Contact Us" page.

Calculators & Tools

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We have a variety of handy tools and calculators available for your convenience.

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