Abstract
Cassava’s cyanogenic potential, exacerbated during drought, remains a challenge to optimizing its production and consumption. This research investigated how supplemental irrigation during the dry season could reduce the cyanide content in the highly-cyanogenic cassava variety Kasetsart 50 (KU50). KU50 stakes were planted in May 2009 at Khao Hin Son Research Station, Inseechandrastitya Institute for Crop Research and Development, Kasetsart University, Chachoengsao province. A split-plot in a randomized complete block design was used, with three harvest periods (6, 9, 12 mth after planting; MAP) as main plots, three irrigation treatments (T0, rain-fed only; T1, 30mm.mth -1 , split into three applications; and T2, 60mm.mth -1 , split into three applications) as subplots, and four fi eld replications. Root samples harvested at 6, 9 and 12 MAP were analyzed for total cyanide, non-glucosidic cyanide (NGC), and bound cyanide contents in the whole root, peel and parenchyma. Roots harvested at 9 MAP had the lowest bound and total cyanide, and the highest starch content. T2 yielded the lowest NGC, bound and total cyanide, and the highest starch content. Thus, irrigating with 60mm and harvesting at 9 MAP produced the lowest cyanogenic content and highest starch percentage in cassava roots. No signifi cant effect was observed on the number of bulking roots, the plant height and plant top weight. However, supplemental irrigation signifi cantly (P < 0.05) increased
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Claims 5
Claim · model-written summary
Roots harvested at 9 months after planting had the lowest bound and total cyanide.
- Taxon
- Cassava
Manihot esculentat0 - Material
- Kasetsart 50t0
- Organ / stage
- Rootse0
- Outcome
- bound and total cyanidee0
- Direction
- loweste0
- Qualifier
- 9 MAPe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Roots harvested at 9 MAP had the lowest bound and total cyanide”
t0“Cassava Variety Kasetsart 50”
Claim · model-written summary
Roots harvested at 9 months after planting had the highest starch content.
- Taxon
- CassavaManihot esculentat0
- Material
- Kasetsart 50t0
- Organ / stage
- Rootse0
- Outcome
- starch contente0
- Direction
- higheste0
- Qualifier
- 9 MAPe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Roots harvested at 9 MAP had the lowest bound and total cyanide, and the highest starch content”
t0“Cassava Variety Kasetsart 50”
Claim · model-written summary
The 60 mm monthly irrigation treatment yielded the lowest non-glucosidic, bound, and total cyanide.
- Taxon
- CassavaManihot esculentat0
- Material
- Kasetsart 50t0
- Treatment
- T2, 60mm.mth -1 , split into three applicationse0
- Outcome
- NGC, bound and total cyanidee1
- Direction
- loweste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T2, 60mm.mth -1 , split into three applications”
e1“T2 yielded the lowest NGC, bound and total cyanide”
t0“Cassava Variety Kasetsart 50”
Claim · model-written summary
The 60 mm monthly irrigation treatment yielded the highest starch content.
- Taxon
- CassavaManihot esculentat0
- Material
- Kasetsart 50t0
- Treatment
- T2, 60mm.mth -1 , split into three applicationse0
- Outcome
- starch contente1
- Direction
- higheste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T2, 60mm.mth -1 , split into three applications”
e1“T2 yielded the lowest NGC, bound and total cyanide, and the highest starch content”
t0“Cassava Variety Kasetsart 50”
Claim · model-written summary
Supplemental irrigation had no significant effect on bulking root number, plant height, or plant top weight.
- Taxon
- CassavaManihot esculentat0
- Treatment
- Supplemental Irrigationt0
- Outcome
- number of bulking roots, the plant height and plant top weighte0
- Direction
- No signifi cant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No signifi cant effect was observed on the number of bulking roots, the plant height and plant top weight”
t0“Effect of Supplemental Irrigation on Reducing Cyanide Content of Cassava Variety Kasetsart 50”
The same questions in other papers
irrigation · growth · Manihot esculenta (cassava)Results differ
3 papers in the same direction as this paper · 14 in the opposite direction
- positive
- positive
- positive
14 papers more in this group
See all 18 papers →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.