Abstract
Jatropha seeds were classified according to tolerance to desiccation and storage, as a way to subsidize future propagation programs, as jatropha seed shows to be a promising oilseed for biodiesel production. The objective of this work was to study the physiological classification regarding the tolerance of physic nut seeds to desiccation and storage at low temperatures and to verify if their behavior was closer to that of seeds classified as orthodox, recalcitrant or intermediate. The seeds were harvested in the morning and sent to the Laboratory, being processed and submitted to drying, storage and emergency assessment. For seed quality analysis, the germination test and the emergence speed index were used, using a completely randomized design, with four treatments (no drying, 12% humidity, 5% humidity and 12% humidity a -20ºC for 90 days) and five repetitions. After physiological classification, it was found that seeds of physic nut are orthodox, thus can be stored at low temperature (-20ºC) and with low water content (<5%), without compromising their viability.
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Claims 2
Claim · model-written summary
Jatropha curcas seeds are orthodox in physiological classification
- Taxon
- Jatropha curcas
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Jatropha curcast0 - Outcome
- physiological classificatione1
- Value
- orthodoxe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_tree_at_Samedha.jpg?width=500)
Verbatim
t0“Jatropha curcas”
e1“After physiological classification, it was found that seeds of physic nut are orthodox”
Claim · model-written summary
Jatropha curcas seeds can be stored at -20ºC and below 5% water content without compromising viability
- Taxon
- Jatropha curcasJatropha curcast0
- Treatment
- low temperature (-20ºC)e2
- Outcome
- viabilitye2
- Qualifier
- low water content (<5%)e2
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Jatropha curcas”
e2“can be stored at low temperature (-20ºC) and with low water content (<5%), without compromising their viability”
The same questions in other papers
cold · growth · Jatropha curcasPositive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative
- positive
- negative
- no effect
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.