Claim · model-written summary
Breeder preference rating was negatively correlated with measured yield (-0.81).
- Taxon
- rainfed rice
Oryza sativat0 - Outcome
- Breeder preference ratinge4
- Direction
- decreaseinferrede4
- Value
- -0.81e4
- Comparator
- measured yielde4
Not reportedSetting
Verbatim
t0“rainfed rice”
e4“Breeder preference rating was highly correlated with measured yield (-0.81) and farmers’ yield rating (0.94)”
Title
Om Singh; S. Singh; Vijaya Singh; et al. 2002
Other claims from this paper (19)
- Observation Farmers visually rated rice yield with high accuracy, and their visual yield ratings were the best predictor of farmer preference.
- Association On a single-plot basis, farmer visual yield ratings were positively correlated with measured yield (r = 0.84).
- Association Farmer yield rating and farmers preference rating were positively correlated (0.75).
- Association Breeder preference rating was positively correlated with farmers yield rating (0.94).
- Association On a genotype mean basis, farmers yield rating and measured yields were positively correlated (0.90).
- Association Farmers had a strong preference for cultivars they rated highly for yield (r = 0.81).
- Observation The early type preferred in Siddharthnagar gave a maximum yield of 5.1 t ha-1 on station fields.
- Observation The early type preferred in Siddharthnagar gave a maximum yield of 3.2 t ha-1 on farmers fields.
- Observation Two of the highest-yielding genotypes gave over 4 t ha-1 on-farm and were highly preferred over farmers own varieties.
- Observation Farmers selected more than one variety (eight), indicating that PVS/PPB can help maintain varietal diversity on-farm.
- Observation Three genotypes were grown on 23 farmers fields in 2000 in two villages of Faizabad district.
- Observation Six genotypes were cultivated on 45 farmers fields in 2000 in seven villages of Siddharthnagar district.
- Observation Some cultivars produced very high yields under low-input management and were highly preferred by farmers.
- Observation Some high yielding varieties were not preferred by farmers, while some farmers preferred varieties that did not give a high yield.
- Observation Genotypes flowered earlier on farmers fields than on-station.
- Association Grain yields on farmers fields were lower than on-station, with prolonged waterlogging.
- Observation A coarse grain type (IR 700803-43-NDR-2-9335) selected by farmers performed best on-farm and on-station at Faizabad.
- Observation Mungeshpur and Sariyawan farmers preferred drought tolerance and short-medium maturity; Basalatpur farmers selected late-maturing genotypes with submergence tolerance.
- Observation Farmers preferred threshability, submergence tolerance and grain shape, and did not select straw traits or pest and disease resistance ratings.