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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Sep 2017, 38 (5)                                                                                                             Back



nstantaneous and historical temperature effects on a-pinene

Integration of high seeding densities and criss cross row planting pattern suppresses weeds and increases grain yield of spring wheat

 

I. Hussain1, E.A. Khan1, G. Hassan2,*, J. Gul3, M. Ozturk4, H. Alharby5, K.R. Hakeem5 and S. Alamri6

1Department of Agronomy, Faculty of Agriculture, Gomal University, Dera Ismail Khan, 29050, Pakistan

2Department of Agriculture, Shaheed Benazir Bhutto University, Sheringal Dir Upper, 18050, Pakistan?

3Department of Biotechnology? Shaheed Benazir Bhutto University, Sheringal Dir Upper, 18050, Pakistan

4Botany Department and Center for Environmental Studies, Ege University, 35100, Izmir, Turkey

5Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia

6Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 2455, Saudi Arabia

*Corresponding Author E-mail: hassanpk.2000pk@yahoo.com

 

 

 

Key words

Criss cross,

Integrated weed management,

Smothering effect,

Yield components

 

 

 

Publication Data

Paper received : 15.11.2016???

Revised received : 22.06.2017?????????????????????

Accepted : 27.06.2017

 

Abstract

Aim: Eco-friendly and sustainable weed management tactics are advocated by weed managers worldwide. In order to develop such a technology, an experiment was undertaken at Agronomic Research Area of the Faculty of Agriculture, Gomal University, Dera Ismail Khan, Khyber Pakhtunkhwa province, Pakistan during rabi season.

 

Methodology: A 2-factor experiment was laid out in a randomized complete block design with split plot arrangement with the planting patterns (line and criss cross sowings) assigned to main plots and seed rates (50, 100, 150, 200 kg ha-1) of wheat kept into sub plots.??

 

Results: Weed density and biomass at harvest were 28 and 33%, lesser in a criss cross as compared to line sowing. Weed suppression was inversely and grain yield was directly proportional to seeding rates. The highest grain yield (6.9 t ha-1) was obtained from the interaction of 200 kg ha-1 seed rate under criss cross planting.

 

Interpretation: Regardless of planting pattern, 37% higher grain yield was harvested at the highest rate (200 kg ha-1) as compared to the lowest (50 kg ha-1) seed rate. Thus, integration of denser crop and uniform stand via criss cross pattern planting in small grains can reduce the pollution of herbicides and energy cost on weed management.

 

 

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