Behaviour of promissory rice genotypes (Oryza sativa L.) for saline soil
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Abstract
of the year 2003, in areas of the «Blas Roca» farm belonging to
«Los Palacios» Rice agroindustrial enterprise, on a «Gley
Nodular Concretionary soil, the behavior of six lines (3981,
8748, 8738, 4482, 8554, 8741) and three varieties (INCA LP-7,
IACUBA-25 and the commercial variety J-104 as comparison
control of rice, seven of them obtained in the breeding program
for tolerance to salinity, was studied. The quantitative
characters (final plant height, full grains per panicle, panicle
per square meter, 1000 grain weight, empty grains per panicle,
cycle in days and the agricultural and industrial yields), as well
as the qualitative characters (resistance to lodging, shattering,
blast and discoloured grain diseases and to the mite
Steneotarsonemus spinki Smiley) were evaluated. Some
differences among studied genotypes were observed. The
highest agricultural and industrial yield and the best behavior
to the main plagues and illnesses were obtained for the lines
3981, 8748 and 8554, and the variety INCA LP-7.
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