Development of rapid screening protocol for corn tolerance to calcareous, high pH soils
2018
Austria, R.E.G. | Decalsota, J.C. | Ocampo, A.M. | Pascual, P.R. | Salazar, A.M. | Ocampo, E.T.M.
Four hundred and sixteen accessions of the Philippine native corn germplasm were screened for tolerance to calcareous high pH soil under field and greenhouse conditions from 2015-2017. Yield performance and plant height, ear height, total ear weight, stand count, number of ears, ear length ,ear diameter, kernel weight, shelling percentage, moisture content, and projected yield (calculated by plot area) were evaluated. Projected grain yield ranged from zero to 9.97 t/ha across all trials conducted in Adlawon, Cebu City [Philippines] (pH 7.2); Sibonga (pH 7.3); and Barili (pH 7.2). It was found from the tray experiments that shoot length and dry matter yield seedlings were significantly and positively correlated (P0.0001, R2
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