Optimum irrigation period for grain production in spring wheat

Matsunaka, Teruo; Takeuchi, Harunobu; Miyawaki, Tadashi

doi:10.1080/00380768.1992.10416490

Cited by 11 publications

(3 citation statements)

References 13 publications

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“…The importance of fertile tillers is evident from the fact that it affects directly the final grain yield. Matsunaka et al, (1992) and Ghazal et al, (1998) also reported that number of spikes/m 2 increased as irrigation increased.…”

Section: Resultsmentioning

confidence: 92%

Different Degree of Drought Stress Affects Morpho-Reproductive Growth in Wheat (Triticum aestivum L)

Sinha¹,

Chand²,

na³

et al. 2019

Int.J.Curr.Microbiol.App.Sci

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Experiment was carried out to study the impact of induced water stress at different crop developmental stages for morpho-reproductive growth characters in two wheat cultivars at experimental area of Division of Bio chemistry and Physiology SKUAST J, in 2013. The experiment was laid out with two wheat varieties i.e., PBW-343 and RSP-81 with 04 water stress levels. T1 (without withholding of water), T2 (10 days with-holding of water [WOW]), T3 (15 days WOW) and T4 (20 days WOW) were applied. Increased water stress significantly reduced the plant height, number of leaves per plant, leaf area per plant, fresh and dry weight of leaves, stem and roots per plant, number of tillers per plant, number of fertile tillers per plant and number of unfertile tillers per plant in both wheat varieties. About 39.86 and 26.19% reduction in plant height was noticed at 20 days withholding of water in variety PBW-343 and RSP-81, respectively as compared to control. Number of leaves per plant was reduced by 50 and 14.28% at highest drought condition in variety PBW-343 and RSP-81 respectively in comparison to control. Likewise, leaf area also reduced by 22.11 and 21.33% in variety PBW-343 and RSP-81, respectively. Fresh weight of leaf decreased by 75 and 76.15 % in variety PBW-343 and RSP-81, respectively in comparison to control at 20 days WOW. Same trend was noticed in fresh weight of stem and roots per plants. Dry weight of leaves per plant significantly decreased by 67.24 and 63.88% at highest duration of drought stress in variety PBW-343 and RSP-81 respectively in comparison to control. Likewise dry weight of stem per plant also reduced by (53.69 and 72.18%) and roots per plant (29.41 and 15.38%) in comparison to control. Number of unproductive tillers increased by 50% in variety PBW-343 and number increased in drought resistant variety RSP-81 with regard to control whereas number of productive tillers is reduced by 71.42 and 33.33% in variety PBW-343 and RSP-81, respectively in comparison to control at 20 days WOW. Besides reduction in these parameters, RSP-81 showed some resistance to water stress as compared to PBW-343. Besides reduction in these parameters, RSP-81 showed some resistance to water limiting condition as compared to PBW-343.

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Section: Resultsmentioning

confidence: 92%

Different Degree of Drought Stress Affects Morpho-Reproductive Growth in Wheat (Triticum aestivum L)

Sinha¹,

Chand²,

na³

et al. 2019

Int.J.Curr.Microbiol.App.Sci

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“…However, irrigation applied at crown root + booting and grain filling resulted maximum number of productive tillers (293.42). Matsunaka et al (1992), Ghazal et al (1998) and Zbeic et al (1998) also reported that productive tillers m -2 increased as irrigation increased. As far as the fertilizer levels are concerned that produce a significant effect on number of productive tillers.…”

Section: Resultsmentioning

confidence: 99%

Application of Ceres-Wheat Model to Simulate Growth, Development and Radiation Use Efficiency of Wheat Crop

Hussain¹,

Wajid²,

Ali³

et al. 2015

JGIASS

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CERES-WHEAT Model is an important technique to assess growth, development and radiation use efficiency skills of wheat crop. Under changing climatic conditions world over, one of the suitable approach is needed to enhance the growth and reproductive skills of field crops. For the purpose, a field trial was conducted at Adoptive Research Farm Sargodha. The study comprised of four fertilizer levels viz. control (Recommended dose), 84, 114, 144 kg ha -1 and three irrigation levels viz. irrigation at crown root + jointing + milking, at crown root + booting + grain filling, and at jointing + booting + grain filling. Irrigation levels were kept in main plots and fertilizer levels were randomized in subplots. Data revealed that Crop Growth Rate (CGR), Leaf Area Index (LAI), Leaf Area Duration (LAD) and Net Assimilation Rate (NAR) were significantly increased by increasing the fertilizer levels as well as irrigation frequency. Maximum grain yield 5528 kg ha -1 was obtained while irrigating the crop at jointing + booting + grain filling stages using 144 kg ha -1 of nitrogen. Interestingly, increase in fertilizer rate increased the yield and yield components and plant growth and radiation use efficiency. In conclusion, three irrigations at jointing + booting and grain filling stage and fertilizer levels as 144 kg ha -1 is the best combination for having maximum output in terms of yield of the cultivar Bakhar-2000.

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“…Patel et al (1992) [18] explained that 12 cm depth of irrigation significantly increased the plant height compared with 6 cm irrigation. Irrigation from tillering to heading of wheat had a beneficial effect on tiller plant -1 (Massunaka et al, 1992) [19] . Effective tillers plant -1 was significantly superior in irrigation treatments to no irrigation treatment (Singh and Singh, 1991) [ 20] .…”

Section: Effect Of Irrigation Regimes On Yield Characters and Yieldmentioning

confidence: 99%

Influence of irrigation regimes and nitrogen fertilizer management on the performance of spring wheat in Bangladesh

Akondo¹,

Uddin²,

Islam³

2020

Int. J. Chem. Stud.

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A field experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University from November 2016 to March 2017 to find out the effect of irrigation regimes and nitrogen (N) fertilization on the yield performance of spring wheat. The experiment was comprised five levels of irrigation viz., no irrigation (I0); CRI (crown root initiation stage) (I1); CRI + maximum tillering stage (I2); CRI + maximum tillering stage + flowering Stage (I3); CRI + maximum tillering stage + flowering stage + grain formation stage (I4); and six levels of nitrogen viz., 0, 60, 80, 100, 120 and 140 kg ha -1 under Split Plot design with three replicates. Except few all the yield contributing characters and yield of wheat were significantly influence by the application of irrigation and nitrogen. The highest number of total tillers hill -1 (4.15), effective tillers hill -1 (3.63), number of spikelets spike -1 (14.67), grain yield (2.862 t ha -1 ), straw yield (3.45 t ha -1 ), biological yield (6.312 t ha -1 ) and harvest index (45.34%) were obtained from two irrigation at CRI+ Maximum tillering stage. In nitrogen management, the highest plant height (91.17 cm), number of spikelets spike -1 (15.24), number of grains spike -1 (44.46), spike length (10.89 cm), grain yield (2.93 t ha -1 ), straw yield (3.478 t ha -1 ) and biological yield (6.408) and harvest index (45.72%) were obtained from application of 120 kg N ha -1 . In interaction, the highest grain (3.897 t ha -1 ), straw (4.76 t ha -1 ) and biological yield (8.661 t ha -1 ) and harvest index (45.02%) were achieved from two irrigation at CRI + maximum tillering stage with application of 120 kg N ha -1 . The lowest grain yield (1.22 t ha -1 ) was achieved from one irrigation at CRI with no nitrogen application. Whereas, the lowest straw (2.13 t ha -1 ) and biological yield (3.78 t ha -1 ) were achieved from no irrigation with 60 kg N ha -1 . Based on these results it may conclude here that farmers may apply two irrigations (one at CRI and another at maximum tillering stage) with 120 kg N ha -1 to obtain the higher yield of wheat under Bangladesh context.

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Optimum irrigation period for grain production in spring wheat

Cited by 11 publications

References 13 publications

Different Degree of Drought Stress Affects Morpho-Reproductive Growth in Wheat (Triticum aestivum L)

Different Degree of Drought Stress Affects Morpho-Reproductive Growth in Wheat (Triticum aestivum L)

Application of Ceres-Wheat Model to Simulate Growth, Development and Radiation Use Efficiency of Wheat Crop

Influence of irrigation regimes and nitrogen fertilizer management on the performance of spring wheat in Bangladesh

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