Abstract
An irrigated cropping systems experiment was conducted for 6 years in east-central Washington State to examine agronomic and economic alternatives to continuous annual winter wheat (Triticum aestivum) with burning and plowing, and to determine how root diseases of cereals are influenced by management practices. The continuous winter wheat treatment with burning and plowing was compared with a 3-year no-till rotation of winter wheat-spring barley (Hordeum vulgare)-winter canola (Brassica napus) and three straw management treatments: burning, straw removal, and leaving the straw stubble standing after harvest. Take-all disease and inoculum increased from years 1 to 4 in the continuous winter wheat treatment with burning and plowing, reducing plant growth compared to the no-till treatments with crop rotations. Inoculum of Rhizoctonia solani AG-8 was significantly lower in the tilled treatment compared to the no-till treatments. Inoculum concentration of Fusarium pseudograminearum was higher than that of F. culmorum, and in one of three years, the former was higher in treatments with standing stubble and mechanical straw removal compared to burned treatments. Residue management method had no effect on Rhizoctonia inoculum, but spring barley had more crown roots and tillers and greater height with stubble burning. This 6-year study showed that irrigated winter wheat can be produced in a no-till rotation without major disease losses and demonstrated how cropping practices influence the dynamics of soilborne cereal diseases and inoculum over time.
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Claims 8
Claim · model-written summary
Take-all disease and inoculum increased from years 1 to 4 in continuous winter wheat with burning and plowing.
- Taxon
- winter wheat
Triticum aestivume0 - Treatment
- continuous winter wheat treatment with burning and plowinge0
- Outcome
- Take-all disease and inoculume0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Take-all disease and inoculum increased from years 1 to 4 in the continuous winter wheat treatment with burning and plowing”
Claim · model-written summary
Plant growth was reduced in continuous winter wheat with burning and plowing compared with the no-till treatments with crop rotations.
- Taxon
- winter wheatTriticum aestivume0
- Treatment
- continuous winter wheat treatment with burning and plowinge0
- Outcome
- plant growthe0
- Direction
- reducinge0
- Comparator
- no-till treatments with crop rotationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Take-all disease and inoculum increased from years 1 to 4 in the continuous winter wheat treatment with burning and plowing, reducing plant growth compared to the no-till treatments with crop rotations”
Claim · model-written summary
Inoculum of Rhizoctonia solani AG-8 was significantly lower in the tilled treatment than in the no-till treatments.
- Treatment
- tilled treatmente0
- Interactor
- Rhizoctonia solani AG-8
Rhizoctonia solani AG-8e0pathogen - Outcome
- Inoculum of Rhizoctonia solani AG-8e0
- Direction
- lowere0
- Comparator
- no-till treatmentse0
Not reportedTaxon
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculum of Rhizoctonia solani AG-8 was significantly lower in the tilled treatment compared to the no-till treatments”
Claim · model-written summary
Inoculum concentration of Fusarium pseudograminearum was higher than that of F. culmorum.
- Interactor
- Fusarium pseudograminearumFusarium pseudograminearume0pathogen
- Second interactor
- F. culmorum
.jpg?width=60)
Fusarium culmorume0pathogen - Outcome
- Inoculum concentratione0
- Direction
- highere0
Not reportedTaxon
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Inoculum concentration of Fusarium pseudograminearum was higher than that of F. culmorum”
Claim · model-written summary
In one of three years, Fusarium pseudograminearum inoculum was higher in treatments with standing stubble and mechanical straw removal than in burned treatments.
- Treatment
- standing stubble and mechanical straw removale0
- Interactor
- Fusarium pseudograminearumFusarium pseudograminearume0pathogen
- Outcome
- Inoculum concentratione0
- Direction
- highere0
- Qualifier
- in one of three yearse0
- Comparator
- burned treatmentse0
Not reportedTaxon
Verbatim
e0“Inoculum concentration of Fusarium pseudograminearum was higher than that of F. culmorum, and in one of three years, the former was higher in treatments with standing stubble and mechanical straw removal compared to burned treatments”
Claim · model-written summary
Residue management method had no effect on Rhizoctonia inoculum.
- Treatment
- Residue management methode0
- Interactor
- Rhizoctonia
.jpg?width=60)
Rhizoctoniae0pathogen - Outcome
- Rhizoctonia inoculume0
- Direction
- no effecte0
Not reportedTaxonComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Residue management method had no effect on Rhizoctonia inoculum”
Claim · model-written summary
Spring barley had more crown roots and tillers and greater height with stubble burning.
- Taxon
- spring barley
.jpg?width=60)
Hordeum vulgaree0 - Treatment
- stubble burninge0
- Outcome
- crown roots and tillers and greater heighte0
- Direction
- moree0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“spring barley had more crown roots and tillers and greater height with stubble burning”
Claim · model-written summary
The study showed that irrigated winter wheat can be produced in a no-till rotation without major disease losses.
- Taxon
- winter wheatTriticum aestivume0
- Treatment
- no-till rotatione0
- Outcome
- without major disease lossese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“irrigated winter wheat can be produced in a no-till rotation without major disease losses”
The same questions in other papers
fire · growth · Triticum aestivum (wheat)Positive and negative results
4 papers in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- no effect
3 papers more in this group
See all 7 papers →tillage · growth · Triticum aestivum (wheat)Positive and negative results
58 papers in the same direction as this paper · 208 in the opposite direction
- positive
- positive
- positive
263 papers more in this group
See all 267 papers →fire · yield · Hordeum vulgare (barley)Results agree
2 papers in the same direction as this paper
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.