Abstract
Wheat (Triticum aestivum L.) if cut before boot stage can be used for both forage and grain purposes, however, it needs better nutrient management along with other agronomic practices to reduce the possible loss in grain yield. A field experiment was conducted on imposing decapitation stress in wheat as compare to no cut under different N levels and its application time to assess the response of yield crop and yield components. The decapitation stress was imposed through cutting of foliage at 60 d after wheat sowing. Three levels of nitrogen (100, 150 and 200 kg ha) were applied as full dose at sowing (M1), full dose at 2 irrigation (M2) and split (M3) as half each at sowing and with 2 irrigation to cut (C1) or no cut (C0) wheat. Treatments were arranged in randomized complete block (RCB) design with four replications having a plot size of 3 m x 5 m. Wheat cultivar Fakhre Sarhad was planted on 1 November 2004 with seed rate of 120 kg ha. The experiment was conducted on well developed, deep silty clay loam alkaline soil (pH = 7.7-8.2) at Agricultural Research Farm (Malakandher), KP Agricultural University Peshawar during 2004-05. Compared to control, fertilizer-N supplementation produced more spikes m (349), grains spike (44), thousand grains weight (37.21 g), grain yield (2985 kg ha), biological yield (10039 kg ha) and harvest index (37 %) as compare to control. Whereas the decapitation stress decreased spikes m (316), grains spike (42), thousand grains weight (35.92 g), grain yield (2601 kg ha), biological yield (9176 kg ha) and harvest index by 35 % as compare to no-cut plots. Compared to control fertilizer-N levels increased spikes m (368), grains spike (46), thousand grains weight (37.89 g), grain yield (3213 kg ha) and biological yield (10923 kg ha. Similarly, the split application of fertilizerN improved spikes m (353), grain spike (45), grain yield (3165 kg ha) and biological yield (10527 kg ha) as compared to control, whereas thousand grains weight and harvest index were not affected by fertilizer-N application time. Based on the findings of this study wheat can be grown as dual purpose crop and the reduction in yielding component can be managed through increase in fertilizer-N level, through split application, half at sowing and half with 2 irrigation.
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Claims 7
Claim · model-written summary
Nitrogen supplementation raised spike number, grains per spike and thousand grain weight.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- fertilizer-N supplementatione0
- Outcome
- spikes me0
- Direction
- moree0
- Value
- 349e0
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fertilizer-N supplementation produced more spikes m (349), grains spike (44), thousand grains weight (37.21 g)”
t0“Wheat”
e1“grain yield (2985 kg ha), biological yield (10039 kg ha) and harvest index (37 %) as compare to control”
Claim · model-written summary
Nitrogen supplementation raised grain yield to 2985 kg ha.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- grain yielde0
- Value
- 2985 kg hae0
- Comparator
- controle0
Not reportedTreatmentDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain yield (2985 kg ha), biological yield (10039 kg ha) and harvest index (37 %) as compare to control”
t0“Wheat”
Claim · model-written summary
Decapitation decreased grain yield to 2601 kg ha.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- decapitation stresse0
- Outcome
- grain yielde0
- Direction
- decreasede0
- Value
- 2601 kg hae0
- Comparator
- no-cut plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decapitation stress decreased spikes m (316), grains spike (42), thousand grains weight (35.92 g), grain yield (2601 kg ha), biological yield (9176 kg ha) and harvest index by 35 % as compare to no-cut plots”
t0“Wheat”
Claim · model-written summary
Higher nitrogen levels increased grain yield to 3213 kg ha.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- fertilizer-N levelse0
- Outcome
- grain yielde0
- Direction
- increasede0
- Value
- 3213 kg hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fertilizer-N levels increased spikes m (368), grains spike (46), thousand grains weight (37.89 g), grain yield (3213 kg ha) and biological yield (10923 kg ha”
t0“Wheat”
Claim · model-written summary
Split fertilizer application improved grain yield to 3165 kg ha.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- split application of fertilizerNe0
- Outcome
- grain yielde0
- Direction
- improvede0
- Value
- 3165 kg hae0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“split application of fertilizerN improved spikes m (353), grain spike (45), grain yield (3165 kg ha) and biological yield (10527 kg ha) as compared to control”
t0“Wheat”
Claim · model-written summary
Fertilizer application timing did not affect thousand grain weight or harvest index.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- fertilizer-N application timee0
- Outcome
- thousand grains weight and harvest indexe0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“thousand grains weight and harvest index were not affected by fertilizer-N application time”
t0“Wheat”
Claim · model-written summary
The authors recommend higher and split nitrogen for dual-purpose wheat to manage yield component reductions.
- Taxon
- wheatTriticum aestivume0
- Outcome
- reduction in yielding component can be managede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat can be grown as dual purpose crop and the reduction in yielding component can be managed through increase in fertilizer-N level, through split application, half at sowing and half with 2 irrigation”
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