Kirkuk University Journal for Agricultural Sciences (KUJAS)

Influence of plowing frequency by chisel plow and herbicide (Gramaxon) on Cynodondactylon growth

https://doi.org/10.58928/ku14.05215
Volume 5, Issue 2
Autumn 2014
Page 110-119
Kirkuk University Journal for Agricultural Sciences (KUJAS)

Document Type : Research Paper

Authors

M.N. Abd-alqader
K.E. AL-allaaf
A.M. Sultan
Abstract
Field experiment was conducted to determine the influence of chisel, herbi- cide (Gramaxon) with combining between them in controlling C.dactylon at Hawiy location in the summer growth season 2012 in Neniva province. Twelve treatment had done (Gramaxon (G) 0.8L/ha, chisel (C) + G , G+C+G , G+C , C , C+G+C , C+C , C+C+C , G+G and un controlled for three times according to plant samples taken. The duration time of the frequency of herbicide or tillage was 15 days. The experiment was laid out in factorial and randomize complete block design (RCBD) with three replication. the results showed that the % of control was significant superior with high moisture in plants in the first time of taking plant samples. Also, G+C reduce C.dactylon shoot dry weight, number of plants/m2 with less moisture in plants and increased % of control up to 89.2% , 97.2% , 97.5% respectively if it compared with unweeded treatment G gave twise effect on weed as it comparing with chisel while three time of tillage by chisel gave 97.8% weed control. However, one time or two time of plowingby chisel gave 1.13% and 57.7% res- pectively.
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