Research Article
Genetic Variation for Phosphorus Use in Wheat at Two Levels of Soil Applied Phosphorus

Yaseen M., S. Ahmad and T. Hussain

Pakistan Journal of Biological Sciences, 2000, 3(4), 660-662.

Abstract

Wheat genotypes grown at control and adequate P levels differed markedly in their growth response. Growth response in terms of straw and grain yields was influenced by P application, genotype and their interaction. Relative reduction in grain yield ranged from none to 4%. Among all the genotypes Pervaz-94 showed response to P application. It was also observed that genotypes with high P concentration had low P uptake, low phosphorus use efficiency and hence low grain yield. Inqlab-91 and Chakwal-86 used phosphorus efficiently at both the P levels. Phosphorus efficient genotypes could be grown under low or little P fertilizer conditions.

ASCI-ID: 1-1381

Cited References Fulltext

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