Abstract
Chickpea (Cicer arietinum L.) is an under-utilised food legume in Uganda with great potential to contribute to household food, nutrition and income security. The objective of this study was to investigate the effects of planting time on the agronomic performance of Desi and Kabuli chickpea genotypes. The study was conducted on-station in Mbarara district during the 2011A, B and 2012A seasons. In the 2011A season, the unusual shorter rainfall and high temperatures favoured high pod borer (Helicoverpa armigera) infestation that resulted in low grain yields (347-521 kg ha-1). In the excessively rainy and cool long 2011B season, chickpea planted before and at the onset of rainfall had high Ascochyta blight plant infection. The highly wet and dry conditions significantly (P ≤ 0.05) reduced the grain yields (400 t ha-1) of chickpea, to below its potential of 1000-3000 kg ha-1. Crops that coincided with well distributed rains alternating with sufficient sunshine (planted in late March 2012A) had higher yields (> 1200 kg ha-1). Yield losses associated with pests and diseases were managed when sowing was done after the peak of the rain season (end of March and October). Therefore, chickpea requires moderately low well distributed rains, with adequate sunny days during the vegetative and reproduction stages for higher grain yields. Integration proper planting time, variety and judicial pesticide application constituted the appropriate strategy for pod borer and Ascochyta blight management for the enhanced chickpea agronomic performance in the South Western Agro Ecological Zone of Uganda.
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Claims 8
Claim · model-written summary
Short rainfall and high temperature favored pod borer infestation in the 2011A season.
- Taxon
- Chickpea
Cicer arietinume1 - Treatment
- shorter rainfall and high temperaturese0
- Interactor
- Helicoverpa armigera
_gusano_cogollero.png?width=60)
Helicoverpa armigerae0pest - Outcome
- pod borer (Helicoverpa armigera) infestatione0
- Direction
- highe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_gusano_cogollero.png?width=500)
Verbatim
e0“the unusual shorter rainfall and high temperatures favoured high pod borer (Helicoverpa armigera) infestation”
e1“Chickpea (Cicer arietinum L.)”
Claim · model-written summary
The 2011A infestation was associated with low chickpea grain yield of 347-521 kg ha-1.
- Taxon
- ChickpeaCicer arietinume1
- Interactor
- Helicoverpa armigeraHelicoverpa armigerae0pest
- Outcome
- grain yieldse0
- Direction
- lowe0
- Value
- 347-521 kg ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high pod borer (Helicoverpa armigera) infestation that resulted in low grain yields (347-521 kg ha-1)”
e1“Chickpea (Cicer arietinum L.)”
Claim · model-written summary
Planting before or at rainfall onset in the cool, wet 2011B season was associated with high Ascochyta blight infection.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- planted before and at the onset of rainfalle0
- Interactor
- Ascochyta blighte0pathogen
- Outcome
- Ascochyta blight plant infectione0
- Direction
- highe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the excessively rainy and cool long 2011B season, chickpea planted before and at the onset of rainfall had high Ascochyta blight plant infection”
Claim · model-written summary
Very wet and dry conditions significantly reduced chickpea grain yield to the stated 400 t ha-1, below its potential.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- highly wet and dry conditionse0
- Outcome
- grain yieldse0
- Direction
- reducede0
- Value
- 400 t ha-1e0
- Qualifier
- 1000-3000 kg ha-1e0
- Comparator
- potentiale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highly wet and dry conditions significantly (P ≤ 0.05) reduced the grain yields (400 t ha-1) of chickpea, to below its potential of 1000-3000 kg ha-1”
Claim · model-written summary
Chickpea planted in late March 2012A under well distributed rain and sunshine had yields above 1200 kg ha-1.
- Taxon
- ChickpeaCicer arietinumt0
- Outcome
- yieldse0
- Direction
- highere0
- Value
- > 1200 kg ha-1e0
- Qualifier
- well distributed rains alternating with sufficient sunshinee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Crops that coincided with well distributed rains alternating with sufficient sunshine (planted in late March 2012A) had higher yields (> 1200 kg ha-1)”
t0“Chickpea”
Claim · model-written summary
Sowing after peak rains managed yield losses associated with pests and diseases.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- sowing was done after the peak of the rain seasone0
- Outcome
- Yield losses associated with pests and diseasese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield losses associated with pests and diseases were managed when sowing was done after the peak of the rain season (end of March and October)”
t0“Chickpea”
Claim · model-written summary
The authors recommend moderately low distributed rain and adequate sunny days during chickpea vegetative and reproductive growth for higher grain yields.
- Taxon
- chickpeaCicer arietinume0
- Outcome
- higher grain yieldse0
- Qualifier
- moderately low well distributed rains, with adequate sunny dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chickpea requires moderately low well distributed rains, with adequate sunny days during the vegetative and reproduction stages for higher grain yields”
Claim · model-written summary
The authors recommend integrating planting time, variety and judicious pesticide application for pod borer and Ascochyta blight management.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- proper planting time, variety and judicial pesticide applicatione0
- Outcome
- pod borer and Ascochyta blight managemente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Integration proper planting time, variety and judicial pesticide application constituted the appropriate strategy for pod borer and Ascochyta blight management for the enhanced chickpea agronomic performance”
t0“Chickpea”
The same questions in other papers
climate site · pest · Cicer arietinum (chickpea)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- 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.