Assessment of the Consequences of Heat Changes on Cotton Cultivars Growth, Phenology and Yield at Different Sowing Regimes

Temperature is the main climatic factor that influences the yield just as entire development of farming crops. All periods of phenology of crops are temperature sensitive. Hence, information on appropriate temperature for best yield is significant so as to get maximum production. In current examinat...

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Bibliographic Details
Published in:Pakistan journal of agricultural research 2020, Vol.33 (4), p.759
Main Authors: Mehboob, Kanwar Muhammad Raheel, Iqbal, Rashid, Israr, Muhammad, Shamshad, Jaweria, Riaz, Umair, Rahman, Muhammad Habib, Ali, Fawad, Nawaz, Arif, Sarfraz, Maliha, Waheed, Abdul, Khan, Muhammad Tahir, Aslam, Muhammad
Format: Article
Language:English
Subjects:
Agricultural production
Agricultural research
Cotton
Crop yield
Crops
Cultivars
Dry matter
Field tests
Leaf area
Leaf area index
Leaves
Phenology
Planting
Temperature
Weight
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Summary:Temperature is the main climatic factor that influences the yield just as entire development of farming crops. All periods of phenology of crops are temperature sensitive. Hence, information on appropriate temperature for best yield is significant so as to get maximum production. In current examination, a field test was directed to evaluate the phenology, relative development, ideal sowing time, comparative growth just as yield execution of three cultivars of Bacillus thuringiensis Cotton (Bt. Cotton) at different sowing systems during summer 2015 at cotton research station Regional Agriculture Research Institute Bahawalpur (RARI) Pakistan. The test was directed in an irregular complete block design (RCBD) with a split-plot course of action comprising of three replications. One factor comprised of six planting dates (for example April15 and 30, 15 and 30 May, 14 and29 June) and other factor comprising of three Bt. cotton cultivars (BH-184, MNH-886 and CIM-598). The after effects of the test indicated that both sowing dates and cultivars fluctuated fundamentally for development, phenology and yield. Highst leaf area index (LAI) 4.38, total dry matter (TDM) 1033 g m-2, leaf area duration (LAD) 275.6 days and mean harvest development rate 6.51g m-2 day-1 were recorded on April 30 sowing. Yield contributing boundaries like opened boll, average boll weight and 100-seed weight altogether shifted and highest seed cotton yield 3847 kg ha-1 was acquired by cv. MNH-886 when it was planted on April 30.
ISSN:0251-0480
2227-8311
DOI:10.17582/journal.pjar/2020/33.4.759.769