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EFFECT DIFFERENT METHODS OF APPLICATION AND DOSES OF GLYPHOSATE ON CONTROL Imperata cylindrica L. GROWN INNEW POME GRANT ORCHARD. | ||
| Diyala Agricultural Sciences Journal | ||
| Article 1, Volume 7, Issue 1, 2015, Pages 230-242 | ||
| Author | ||
| A.H.A . AL-Wagga | ||
| Abstract | ||
| A field experiment was carried out in Diyala province / Al-Muqdadiya district during growing season 2011-2012.The aim of present study was to control Imperata cylindrical L. grown in pomes grant orchard using glyphosate in two application methods, first by knapsack spryer in rate (1.8kg ai/ h) and the second use rope-wick wiper technique in different rate (1 L herbicide diluted with water from 1- 6 L ). The experiment was set out as factorial design in randomized complete block design with three replicates. The results showed superiority T2(1:1 )(herbicide: water ) in killing degree up 6.24 ,and T2(1: 1herbicide : water) and T3 (1:2 herbicide : water) gave less average in percentage of regrowth caused and go we 8.16,7.87 respectively Time periods 60 and 90 day after control high killing degree up 5.02 , 5.03 and reduce percentage of regrowth up to 6.45 ,6.68 respectively .Moreover the efficacy of glyphosate in weed continue until 360 day after application . as well caused significant effect in reducing height Imperata cylindrica L. the T5(1:4 herbicide : water ) gave less height 74.33cm. and T2,T4,T5 gave reduction in dry weight 127.00,125.67and 129.67 gm/m², respectively. T4 gave less dry weight of rhizomes 141.33 gm/m², and with wipe technique get good and satisfactory result specially T2(1:1 herbicide : water ) which gave 68.11 % control compared with T8 (1.8kg ai/ h)as application spray 49.62%. | ||
| Keywords | ||
| Imperata cylindrica L; Glyphosate; chemical control; Herbicides methods application | ||
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