EFFECT OF FLAX VARIETIES, WEED CONTROL METHODS UNDER TWO DIFFERENT SOWING METHODS ON WEEDS AND FLAX CROP AND ITS QUALITY | ||
| Egyptian Journal of Agricultural Research | ||
| Article 23, Volume 88, Issue 4, December 2010, Pages 1293-1310 PDF (5.21 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejar.2010.191993 | ||
| Authors | ||
| MAHMOUD S. OSMAN1; ABDEL-HAMED M. OKAZ1; EL-HASSANEIN E. HASSANEIN2; EL-HOUSSYN M. ELNINNY1 | ||
| 1Agronomy Department Faculty of Agriculture, Al-Azhar University, Nasr city, Cairo, Egypt. | ||
| 2Weed Research, Laboratory, Agricultural Research Center, Dokki, Giza, Egypt. | ||
| Abstract | ||
| Four field experiments were conducted during 2003/04 and 2004/05 winter seasons in Sakha Research Station, Agricultural Research Center, Kafer El Sheikh Governorate. Each two of these four experiments were carried out either under drill or broadcast two sowing methods. The purpose of the study was to investigate the effect of flax varieties, (Sakha 1 and Belinka) and thirteen weed control treatments 1.Bromoxynil 120 g/fad, 2- Metosulam 4 g/fad, 3- Tribenuron methyl 4.5 g/fad, 4- Fluazifop butyl 62.5 g/fad, 5- Clethodim 31.2 g/fad, 6- Bromoxynil 120 g/fad + Fluazifop butyl 62.5 g/fad, 7- Metosulam 4 g/fad + Fluazifop butyl 62.5 g/fad, 8-Tribenuron methyl 4.5 g/fad + Huazifop butyl 62.5 g/fad, 9- brornoxynil 120 g/fad + Clethodim 31.2 g/fad, 10- Metosulam 4 g/fad + Clethodim 31.2 g/fad, 11- Tribenuron methyl 4.5 g/fad + Oethodim 31.2 g/fad, 12- Hand weeding twice and 13- Unweeded check on the growth of weeds and flax crop. The experimental design was split plot where varieties were laid out in the main plots and weed control treatments in sub plots under either the drill or the broadcast sowing methods experiments. Both varieties did not have significant effects on broad leaved, grassy or total weeds (g/m2). Metosulam + Clethodim and Tribenuron methyl + Fluazifop butyl were the most effective treatments on controlling broad leaved weeds which ranged from (85.6 — 93.0%). Oethodim, Ruazifop butyl, Tribenuron methyl + Oethodim, metosulam + Oethodim, Tribenuron methyl + fluazifop butyl were effective treatments in controlling grassy weeds ( 94.6 - 98.0% ) and decreased total weeds by ( 90 - 93% ) and increased straw yield by (17.2 - 31%) and fiber yield by (11.9 -17.9 %) than unweeded check. Sakha 1 variety exceeded Belinka variety by188.2- 194.4% in seed yield / faddan , on other hand fiber % or fiber fineness was higher with variety Belinka than Sakha 1. oil percentage or oil yield tended to increase with Sakha 1 variety than Belinka as will as oil yield per faddan increased with all weed control treatments than unweeded check. Both fiber fineness or oil% were not affected by weed control treatments. The previous results suggest the use of bromoxynil, metosulam or tribenuron methyl, against broad leaved and fluazifop butyl or Oethodim against grassy weeds in flax fields for decreasing weed competition in flax and consequently improving straw or fiber yields without any adverse effect against technological or oil properties. | ||
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