Yapay Zeka Hızlı Bakış & Çıkarımlar
AI InsightTis study provides direct evidence of the benefcial physiological function of K fertilization in mitigatingthe adverse efects of DS by increased nitrate assimilation and osmotic regulation, but not due to its nutritive role.
📌 3 Maddede Bu Makale
Abstract
In the present study, the role of potassium (K) in mitigating the adverse efects of drought stress (DS) on 2 maize (Zea maysL.) cultivars, Shaandan 9 (S9; drought-tolerant) and Shaandan 911 (S911 ; drought-sensitive), was assessed. K application increaseddry matter (DM) across all growth stages and grain yield (GY) in both cultivars under DS, but not under control conditions. Drought-tolerant cultivar S 9 was superior to drought-sensitive cultivar S 911 under DS in terms of DM and GY regardless of K addition. Additionally,K application increased relative water content, nitrate reductase activity, and concentrations of potassium ion, free proline, solubleprotein, and endogenous glycine betaine in both cultivars. Tese positive efects due to K fertilization under DS were greater for S 911than for S 9. In contrast, the diferences in the above parameters between K-treated plants and plants under control conditions were eithernonsignifcant or marginal. Tis study provides direct evidence of the benefcial physiological function of K fertilization in mitigatingthe adverse efects of DS by increased nitrate assimilation and osmotic regulation, but not due to its nutritive role.