Comparative response of newly approved wheat cultivars sown under different planting geometries
2015
Ayaz, U.
Planting geometry determines the orientation and spatial distribution of crop plants in the field. Suitable planting geometry ensures high water and fertilizer use efficiency, less weed growth and ultimately high crop yield. So to check the effect of planting geometry on growth of different wheat cultivars, a field experiment was conducted at student's farm, department of agronomy, university of agriculture Faisalabad during the year 2014-2015. The experiment was comprised of three wheat cultivars namely Galaxy-2013, Punjab-2011 and Millat-2011 with three planting geometries (broadcast, line sowing at 22.5 cm, line sowing at 11.25 cm). Randomized complete block design (with split plot arrangement) was used with 3 replications. The net plot size was 6 m x 2.25 m. The fertilizer NPK was applied at the rate of 100, 75, 75 kg per ha, respectively. The whole amount of phosphorus and potassium and half of nitrogen was applied at the time of seedbed preparation. Remaining nitrogen was applied in two splits. Other agronomic practices as irrigation and plant protection were kept uniform and according to the general recommendations for wheat crop. Data on yield, yield components and growth were recorded and analyzed statistically using Fisher analysis of variance techniques and differences among the treatment means were compared using Least Significant Difference (LSD) test at probability level of 5%. Results showed that number of productive tillers (m-2), number of grains per spike, number of spikelets per spike, plant height (cm), 1000-grain weight (g) and grain yield (t per ha) were significantly increased at planting geometry of line sowing (11.25 cm row spacing).
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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