Fig 1.
The study area showing location of farm households surveyed in 2011–12.
The administrative map is based on the Global Administrative Areas database (GADM: http://www.gadm.org) and the road network from OpenStreetMap (http://download.geofabrik.de/asia/philippines.html).
Fig 2.
Total rice area and production in the six provinces covered by the Central Luzon Loop survey (Bulacan, La Union, Nueva Ecija, Pampanga, Pangasinan, and Tarlac) and periods of release of MVs by category.
Source of area and production data: PSA-BAS (2015).
Table 1.
MVs released in the Philippines, 1966 to 2013a.
Fig 3.
Agronomic and grain quality characteristics of MVs released from 1966 to 2013 by varietal group.
See footnote in Table 1 for the varietal grouping description.
Fig 4.
Proportion of MVs released from 1966 to 2013 that have resistance to pests/diseases by varietal group.
See footnote in Table 1 for the varietal grouping description.
Table 2.
Rice varieties planted by farmers in Central Luzon, Philippines, 1966–2012.
Fig 5.
Adoption of rice by varietal group and crop year when the survey was conducted.
See footnote of Table 1 for the varietal grouping description.
Table 3.
Agronomic and grain quality characteristics of rice varieties planted by farmers in Central Luzon, by survey year (weighted by area), 1974–2012a.
Fig 6.
Agronomic characteristics by survey year (a), and varietal group (b,c) of MVs adopted by farmers in Central Luzon, 1974–2012.
See footnote in Table 1 for the varietal grouping description.
Fig 7.
Grain quality by survey year and season (a), and by varietal group (b) of MVs adopted by farmers in Central Luzon, 1974–2012.
See footnote in Table 2 for the varietal grouping description.
Fig 8.
Pest and disease reactions of rice varieties planted by farmers in Central Luzon, by survey year, 1974–2012.
S to MS: susceptible to moderately susceptible; I: Intermediate; MR to R: moderately resistant to resistant.