Abstract
Field studies with variety K-9107 as normal sowing date variety under four dates of sowing (15 November to 06 December) and DBW-14 as late sowing date variety under five dates of sowing (13 December to 10 January) with one to four no. of irrigations at different critical stages as sub-plot were conducted during rabi seasons of 2010–11 and 2011–12 to study the phenology, accumulation of growing degree days (GDD), helio-thermal unit (HTU) and heat use efficiency (HUE) of wheat (Triticum aestivum L.) to select the proper combination of varieties, date of sowing and no. of irrigation and proper time of irrigation so that wheat crop could be adaptable to climate change in increasing temperature and scarcity of irrigation water. The grain yield was significantly higher for crop sown on November 15. The significant reduction in grain yield for less no. of irrigation was observed with delayed sowing. The crop sown on November 15 took maximum growing degree days, helio-thermal unit for ear emergence and maturity which was reduced significantly with subsequent delay in sowing time. Results revealed that HUE was maximum for grain yield and biomass for crop sown on November 15 and it was highest for crop with four no. irrigation and lesser HUE was recorded in delayed sowing with lesser no. of irrigated crop.
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Claims 5
Claim · model-written summary
Grain yield was significantly higher for wheat sown on 15 November than with delayed sowing.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- crop sown on November 15e1
- Outcome
- grain yielde1
- Direction
- highere1
- Comparator
- subsequent delay in sowing timee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Adaptation of wheat to climate change”
e1“The grain yield was significantly higher for crop sown on November 15”
e2“The crop sown on November 15 took maximum growing degree days, helio-thermal unit for ear emergence and maturity which was reduced significantly with subsequent delay in sowing time”
Claim · model-written summary
The crop sown on 15 November accumulated the maximum growing degree days and helio-thermal units to ear emergence and maturity, which fell significantly with delayed sowing.
- Taxon
- wheatTriticum aestivumt0
- Organ / stage
- ear emergence and maturitye2
- Treatment
- crop sown on November 15e2
- Outcome
- growing degree days, helio-thermal unite2
- Direction
- maximume2
- Comparator
- subsequent delay in sowing timee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Adaptation of wheat to climate change”
e2“The crop sown on November 15 took maximum growing degree days, helio-thermal unit for ear emergence and maturity which was reduced significantly with subsequent delay in sowing time”
Claim · model-written summary
A significant reduction in grain yield was observed with fewer irrigations under delayed sowing.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- less no. of irrigatione3
- Outcome
- grain yielde3
- Direction
- reductione3
- Qualifier
- with delayed sowinge3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Adaptation of wheat to climate change”
e3“The significant reduction in grain yield for less no. of irrigation was observed with delayed sowing”
Claim · model-written summary
Heat use efficiency was maximum for grain yield and biomass in wheat sown on 15 November, compared with delayed sowing.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- crop sown on November 15e4
- Outcome
- HUEe4
- Direction
- maximume4
- Qualifier
- for grain yield and biomasse4
- Comparator
- delayed sowinge5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Adaptation of wheat to climate change”
e4“Results revealed that HUE was maximum for grain yield and biomass for crop sown on November 15”
e5“lesser HUE was recorded in delayed sowing with lesser no. of irrigated crop”
Claim · model-written summary
Heat use efficiency was highest for wheat with four irrigations, compared with fewer irrigated crops.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- four no. irrigatione6
- Outcome
- HUEe5
- Direction
- higheste6
- Comparator
- lesser no. of irrigated crope5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Adaptation of wheat to climate change”
e6“it was highest for crop with four no. irrigation”
e5“lesser HUE was recorded in delayed sowing with lesser no. of irrigated crop”
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