take-all in second wheat

Take-all can sometimes be more severe in second wheats after some break crops, eg oilseed rape, due to very early drilling of the first wheat which can increase disease build-up in the second wheat. ... This phenomenon take-all decline occurs because fungi antagonistic to take-all build up in soil and on roots.

1. What is take all in wheat?
2. What is a second wheat?
3. What do farmers plant after winter wheat?
4. What causes take-all patch?
5. What causes crown rot?

What is take all in wheat?

Take-all is an important disease of UK winter wheat, especially as control with fungicides or varietal resistance is extremely limited. The disease is moderately important in winter barley. Spring sown cereals are not as badly affected. The fungus is ubiquitous in UK arable land and reduces yield and grain quality.

What is a second wheat?

As the wheat harvest concludes, many farmers will be considering drilling with a second wheat. ... “Where farms have a three year crop rotation it usually includes two successive wheat crops followed by oilseed rape. This means that second wheat is drilled in autumn after the previous crop has been harvested.

What do farmers plant after winter wheat?

The most common double crop options are soybean, sorghum and sunflower. Other possibilities include summer annual forages and specialized crops such as proso millet or other short-season summer crops — even corn.

What causes take-all patch?

Take-all patch is a serious root rot disease caused by the soil-borne fungus. ... The grass stems, or stolons, can often be lifted from the soil due to the poor root system. The yellowing grass blades eventually die and become brown, followed by stolon death. This disease is often misdiagnosed as Rhizoctonia brown patch.

What causes crown rot?

Crown rot is a disease caused by the fungus Fusarium pseudograminearum, and can attack all winter cereals and many grassy weeds. The presence of the pathogen within the plant stem limits water movement, which can result in premature death of the tiller and the presence of white (dead) heads.