Field crops

Cereals

Cereals are monocotyledonous plants of the Poaceae family (grasses), used mainly for human consumption but also for other purposes such as animal feed (as grain, straw, fodder and silage), in industry (ethyl alcohol, starch derivatives, biofuels, construction materials, etc.).

The five major cereals, which account for nearly 97% of the total, are corn, wheat, rice, barley, and sorghum (in order of tonnage produced worldwide). There are three types of cereals, depending on the time of sowing: winter cereals, spring cereals and alternatives.

According to FAO’s world cereal market estimates for the fiscal year 2020/2021, production was 2,777 million tons and total availability (production + stocks) was 3,601 million tons. The top 5 cereal producers in the world are, in descending order, China, the United States, India, Russia and Indonesia.

EV solutions at different BBCH stages

Our Advices

Good soil preparation

Choosing the right seed, practicing crop rotation, using a seed treatment (fungicide) and crushing and burying crop residues are the basic steps to optimize the chances of success. Sowing will depend on different criteria related to the seed and soil.

We can add biostimulants to stimulate the nutrition process of early-stage plants, and to improve one or more characteristics of the plants or their rhizosphere. This will allow a higher efficiency in the use of nutrients, a better tolerance to abiotic stress or improved quality characteristics.

Protecting plant emergence

In order to limit the use of pesticides, there are many agronomic levers and innovative techniques (resistant varieties, crop rotation, mechanical weeding, tillage, proper use of sprayers, etc.).

These limit the appearance of weeds, pests or diseases and act in complementarity to reinforce the effectiveness of the products applied (biosolution and conventional) and limit the use of pesticides, while respecting the natural resources.

Maximising harvests

Cereals are subject to profuse pest attacks, they are numerous and varied: aphids, leafhoppers, noctuid moths and many others.

The evaluation of the risks of damage thanks to trapping allows to intervention if necessary at the right time.

Preventive agronomic measures and insecticide treatments are complementary to control populations.

Insects and diseases

Fall armyworm
Fall armyworm

Spodoptera frugiperda or the American Corn Borer, is a species of lepidopteron in the family Noctuidae.

In the larval stage, the polyphyllophagous caterpillar is known to damage various crops, including maize, millet and sorghum, as well as cotton, posing great difficulties in farming.

In corn, if 5% of seedlings are cut or 20% of whorls of young plants are infested, it is recommended to treat with an insecticide; the threshold of infestation is one (or two) larvae per leaf whorl.

The corn borer
The corn borer

The European Corn Borer (Ostrinia nubilalis) is a species of Lepidoptera (butterfly) in the Crambidae family.

It is also found in other crops such as sunflower, hops, hemp, chrysanthemums, potatoes, etc.

There is no intervention threshold for the borer, because the control must be done before the larvae enter the plant...

Fusarium in wheat
Fusarium in wheat

Fusarium disease of wheat is a fungal disease caused by the presence of fungi belonging to the genus Fusarium.

Fusarium spp. and Microdochium nivale, affect not only wheat, but also barley, oats, rye, triticale and grasses.

Agronomic control methods against fusariosis exist, such as burying or finely crushing corn and sorghum residues or choosing a more resistant variety...

Septoria
Septoria

A fungal disease caused mainly by Septoria tritici and Septoria nodorum, which affects wheat and other species of the genus Triticum.

It is found in most wheat growing areas throughout the world. It can cause significant yield losses.

The main organs affected are leaves, nodes and ears Contaminated seeds cause "failure to emerge" and damping-off. In terms of control, prophylactic measures can be implemented...

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Fall armyworm

Spodoptera frugiperda (the Fall Armyworm or American Corn Moth) is a species of Lepidoptera (butterflies) in the family Noctuidae.

In the larval stage, the polyphyllophagous caterpillar is known to damage various crops, including maize (Zea mays), millet and sorghum, as well as cotton (Gossypium sp.), posing great difficulties in farming.

In maize, if 5% of seedlings are cut or 20% of whorls of young plants are infested (during the first 30 days), treatment with an insecticide is recommended; the threshold of infestation is one (or two) larvae per leaf whorl in sorghum, and two for the head.

The EV solutions are Rapax, Venerate and Falltrack

The corn borer

The Corn Borer (Ostrinia nubilalis) is a species of lepidoptera in the family Crambidae. It is also found in other crops such as sunflower, hops, hemp, chrysanthemums, potatoes, etc.

There is no intervention threshold for the borer, as control must be done before the larvae enter the plant. As a preventive measure, after harvest, fine shredding of corn stalks, whether in monoculture or in seasoned corn, will reduce the population of corn borer larvae present in the fall by 70 to 80% (depending on the quality of shredding and the winter climate).

EV recommends the use of Rapax and Venerate

Fusarium in wheat

Fusarium disease of wheat is a fungal disease caused by the presence of fungi belonging to the genus Fusarium. Fusarium spp. and Microdochium nivale, affect not only wheat, but also barley, oats, rye, triticale and grasses.

Agronomic control methods against fusariosis exist, such as burying or finely crushing corn and sorghum residues or choosing a more resistant variety.

For phytosanitary control, it is important to know that when the first symptoms appear, it is too late to intervene. Also, the effectiveness of fungicides depends on the nature of the fungi responsible for fusariosis.

The products have a preventive and incomplete effectiveness:

– For a dominant F. graminearum the positioning of the treatment at the beginning of the first stamens is essential to ensure the best efficiency. This does not exceed 60% even for a well-positioned treatment.

– For a dominant Microdochium spp, whose current population shows resistance to different molecules, the number of solutions is limited. Here again, positioning at the flowering stage is recommended.

Septoria

Wheat Septoria is a fungal disease caused mainly by Septoria tritici and Septoria nodorum, which affects wheat and other species of the genus Triticum. It is found in most wheat growing areas throughout the world. It can cause significant yield losses.

The main organs affected are leaves, nodes and ears Contaminated seeds cause “failure to emerge” and damping-off.

In terms of control, prophylactic measures can be put in place: seed treatment, choosing a less sensitive variety, avoiding early and dense sowing, and burying straw residues and encouraging their decomposition.

For phytosanitary control, preventive control, or at the beginning of the attack is always the most effective. The treatment will be triggered from the 2-node stage depending on the amount and intensity of rainfall during the season, which is a good indicator of the risk of contamination.

Finally, limit the number of treatments as much as possible and diversify the modes of action and the active substances, in order to slow down the selection pressure and limit the emergence of resistant populations.