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University of Agricultural Sciences, Dharwad (2014)

Effect of crop geometry on pearlmillet (pennisetum glaucum (l.) r. br.) under dryland conditions

Sangeeta

Titre : Effect of crop geometry on pearlmillet (pennisetum glaucum (l.) r. br.) under dryland conditions

Auteur : Sangeeta

Université de soutenance : University of Agricultural Sciences, Dharwad

Grade : Master of Science in Agronomy 2014

Résumé
The field experiment was conducted at College of agriculture, Bijapur, to know the effect of crop geometry on pearl millet under dryland conditions during Kharif 2013. The experiment was laid out with eight treatments replicated three times in randomized block design. Wider row spacing 120 cm x 5.0 cm recorded significantly higher soil moisture content (cm) on volume basis at all the stages of crop growth when compared to recommended spacing 60 cm 10 cm. All the yield attributing parameters viz, test weight (g), grain weight (g), grain and fodder yield, length of ear head (cm) and ear head circumference (cm) and also the growth components like leaf area (dm2 plant-1 ), leaf area index, dry matter production and its distribution (g.plant-1), SPAD meter values, crop growth rate were significantly higher with the treatment 120 cm x 5.0 cm as compared to recommended spacing 60 cm x 10 cm at all the stages of crop growth. The absolute growth rate, relative growth rate, Net assimilation rate, plant height, number of tillers, relative water content (%) were significantly higher with the treatment 135 cm x 10 cm as compared to recommended treatment 60 cm x 10 cm at all the stages of crop growth. The closer spacing treatments (60 cm x 10 cm and 75 cm x 8 cm) recorded higher blast severity and lower rust severity and on the contrary wider row spacing treatments (120 cm x 10 cm and 135 cm x 10 cm) recorded higher rust severity and lower blast severity.

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