Leaf area index, flag leaf characters, chlorophyll content and yield of rice genotypes under various establishment methods
2015
Das, Priyanka | Gulati, JML | Pattanayak, Sarthak | Jena, SN
Study revealed that Aerobic transplanting at 25cm x 25cm recorded significantly the highest LAI(5.46), flag leaf area (59.23cm²), grain (41.39 qha⁻¹) and straw yield (53.76qha⁻¹) and lowest flag leaf l/b ratio(18.30) and chlorophyll a/b ratio (2.29). Aerobic rice Pyari was significantly superior in terms of LAI(5.05), flag leaf area (51.52cm²) chlorophyll index (14.08) and grain yield (37.64qha⁻¹) with lowest flag leaf a/b ratio (21.18) and chlorophyll a/b ratio (2.35). Same treatment also produced significantly higher grain yield (43.43qha⁻¹), flag leaf area (61.58 cm²)and higher chlorophyll index (15.33) and lower flag leaf l/b ratio (23.03) and chlorophyll a/b ratio (2.24) while variety Hiranyamayee proved superior over other varieties with respect to yield of grain, flag leaf area and flag leaf l/b ratio. Significantly the highest positive correlation with grain yield was observed due to straw yield (r=0.995**) followed by LAI (r= 0.882*) and highest significant negative correlation was noticed with flag leaf length/breadth ratio (r=-0.979**).
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