Effect of foliar application of mineral nutrients on photosynthetic efficiency, dry matter partitioning and yield characteristics in pigeonpea (Cajanus cajan L.)
DOI:
https://doi.org/10.59797/jfl.v28i4.724Keywords:
Dry matter partitioning, mineral nutrients, photosynthetic rate and pigeonpeaAbstract
In the present study, mineral nutrients viz., CaCl, (1mM and 2mM), KNO, (0.5% and 1%), MgCI, (0.1% and 0.2%) and urea (1% and 2%) were applied as foliar application to pigeonpea varieties (PAU 881 and AL 201) at green floral bud stage of inflorescence to study their effect on photosynthesis, partitioning of dry matter in different plant parts and yield. Internal CO, concentration and stomatal conductance were more in treated plants as compared to control plants in both the varieties at all the developmental stages. These traits ultimately enhanced the rate of photosynthesis in treated plants as compared to control plants. Mineral nutrients also enhanced the partitioning of dry matter towards reproductive parts and maximum enhancement was observed with urea application. More yield characteristics (pod weight per plant and 100-seed weight) were recorded with mineral nutrients application which ultimately enhanced the seed yield per plant in pigeonpea.
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