Effect of Sowing Date and Weed Control on Grain Yield and its Components in Some Wheat Cultivars

Ibrahim, A. F.; Kandil, A.; El-Hattab, A. H.; Eissa, A.

doi:10.1111/j.1439-037x.1986.tb00067.x

Cited by 6 publications

(3 citation statements)

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“…Tomar (2004) found that wheat grain yield was at the maximum with the highest seeding rate of 150 kg/ha. Ibrahim et al (2008) indicated that the interaction between sowing dates and wheatcultivars had a significant effect on grain yield and other characters as in plant height, days to heading and maturity, weight of grains/ spike and 1000-grain weight. The highest grain yield was obtained when wheat was grown during Nov.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Some Bread Wheat Cultivars under Different Seeding Rates and Weed Control Treatments

Mahmud¹,

Morsy²,

Fakkar³

2016

Journal of Plant Production

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An experiment was conducted during 2014/2015 and 2015/2016 growing seasons at Shandaweel Agriculture Research Station, Sohag Governorate, Egypt to study the effect of two seeding rates (50 and 60 kg/fed), three bread wheat cultivars (Shandaweel-1, Sids-12 and Giza-168) and six weed control treatments (Atlantis (T 1), Garnstar + Tpik (T 2), Garnstar + Axial (T 3), Garnstar + Traxos (T 4), hand weeding twice (T 5) and unweeeded control (T 6))on weeds growth, yield and yield components of wheat. Split-split plot design with four replications was used. Results indicated that seeding rates were significantly on annual weeds (g/m 2) and yield and yield components in both seasons. Increased seeding rate to 60 (kg/fed) significantly decreased the dry weight of total weeds (g/m 2) by 23.48 and 36.81% in first and second seasons, respectively compared to seeding rate of 50 (kg/fed).Seeding rate at 60 (kg/fed)give highest values of spike/length,No. of spikes/m 2 and grains yield (arad/fed) in both seasons.Wheat cultivars were significantly effect on dry weight of weeds in both seasons.Giza-168 cultivar decreased the dry weight of broad, grassy and total weeds by 19.98, 23.22 and 21.7% in the first season and by 25.02, 30.58 and 35.67% in the second season, respectively as compared to Sids-12cultivar.Wheat cultivarswere significantly effect of spike/length, No.of spikes/m 2 , grains weight/spike,weight of spike and grains yield (arad/fed) in both seasons.Weed control treatments were significantly reduced dry weight of grassy, broad-leaved and total weeds (g/m 2) in both seasonscompared to(T 6). Using of (T 2), (T 4)and (T 5) twice gave the highestreduction the dry weight of grass, broad-leaved weed and total weeds in both seasons.Weed control treatments were significanteffect of spike length,No. of spikelets/spike,No. of spikes/m 2 ,No. of grains/spike,spikeweight,seed index and grains yield (arad/fed) in both seasons.The interactions among highest seeding rate of 60 kg/fed, wheat Cultivar Giza 168 and (T 5) reduced dry weight of the grassy weeds by 94.9 and 97.3% in 2014/2015 and 2015/2016 seasons, respectively, and the dry weight of total weeds by 97.5% in 2015/2016 season as compared to sowing Sids-12 cultivar by seeding rate at 50 kg/fed and unweededtreatment.Correlation analyses weresignificantly negative correlation with weight of grassy, broad-leaved and total weeds and yield in the first and second seasons, andsignificantly positive correlation between yield and its components in both seasons.Economic evaluation of the results indicated that seeding rates 60kg/fed with wheat cultivars Giza 168 and using of (T 2), (T 4)and (T 5) gave the highest economic values, gross income, net income and profitability in the average of two seasons. Generally, cultivation Giza-168 at a rate 60kg/fed seed and application of (T2), (T4) and (T5)obtained by better crop of wheat under the experiment conditions.

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Section: Introductionmentioning

confidence: 99%

Evaluation of Some Bread Wheat Cultivars under Different Seeding Rates and Weed Control Treatments

Mahmud¹,

Morsy²,

Fakkar³

2016

Journal of Plant Production

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“…Yield losses in winter wild oat-infested (weedy) plots decreased from 60 to 32 to 23%, respectively, for November 10, November 30, and December 20 sowings. In previous studies (10,30,33), yield of wheat in completely weed-free plots was reduced under a December sowing. Grain yield of isoproturontreated wheat was 15 and 19% more in the November 30 sowing than in November 10 and December 20 sowings.…”

Section: Resultsmentioning

confidence: 79%

“…Although various aspects of wheat and wild oat interrelationships have been reported, there are no compre hensive studies on the sowing time effect on wheat and winter wild oat competition. Sowing time may greatly influence wild oat competition and yield of wheat (7,10,30,33).…”

Section: Introductionmentioning

confidence: 99%

Influence of Sowing Time on Winter Wild Oat (Avena ludoviciana) Control in Wheat (Triticum aestivum) with Isoproturon

et al. 1995

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Field experiments were conducted during the winters of 1987–88 and 1988–89 at Haryana Agricultural University, Hisar, India to evaluate the response of winter wild oat to sowing date and isoproturon application time in wheat. In another experiment, the effect of sowing time on emergence and growth of winter wild oat and wheat sown separately was studied. The treatments that provided more than 75% control of winter wild oat were: isoproturon at 0.75 kg ha−1applied at the 2-leaf stage of winter wild oat; isoproturon 1 kg ha−1applied at the 4-leaf stage of winter wild oat in the November 30 planting; and isoproturon 0.50 kg ha−1applied at the 1- to 2-leaf stage of winter wild oat in the December 20 sowing. Isoproturon did not provide more than 50% control of winter wild oat in the November 10 sowing. Mortality of winter wild oat increased from 38 to 72 to 87% in November 10, November 30, and December 20 sowings, respectively. Mortality of winter wild oat was similar in November 30 and December 20 sowings but higher grain yield was recorded in November 30 sowing. Due to vigorous growth of winter wild oat in the November 10 sowing, isoproturon did not provide good control. December 20 sowing favored wheat growth due to lower density and late emergence of winter wild oat but reduction in wheat grain yield was greater. When averaged over isoproturon treatments, the grain yield of wheat was 4607, 5297, and 4457 kg ha−1in the November 10, November 30, and December 20 sowings, respectively.

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Ecological weed management approaches for wheat under rice–wheat cropping system

Kumar

Bana

Singh

et al. 2021

Environmental Sustainability

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Effect of Sowing Date and Weed Control on Grain Yield and its Components in Some Wheat Cultivars

Cited by 6 publications

References 0 publications

Evaluation of Some Bread Wheat Cultivars under Different Seeding Rates and Weed Control Treatments

Evaluation of Some Bread Wheat Cultivars under Different Seeding Rates and Weed Control Treatments

Influence of Sowing Time on Winter Wild Oat (Avena ludoviciana) Control in Wheat (Triticum aestivum) with Isoproturon

Ecological weed management approaches for wheat under rice–wheat cropping system

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