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Second Consortium of Wheat Yield Trial (2nd Wycyt)

N. C. D. Barma
Wheat Research Centre, BARI

M. M. Hassan
Wheat Research Centre, BARI

M. F. Amin
Wheat Research Centre, BARI

M. A. Hakim
Wheat Research Centre, BARI

M. Farhad
Wheat Research Centre, BARI

N.A. Siddiquie
Wheat Research Centre, BARI

M. A. Zaman
Wheat Research Centre, BARI

M. M. Rahman
Wheat Research Centre, BARI

Abstract/ Executive Summary:

The trial was consisted of 42 advanced, high yield potential wheat genotypes as a part of global yield consortium network. The trial was sent by CIMMYT, Mexico where, Prodip and BARI Gom-26 were included as check varieties. Yield, yield components and physiological parameters were measured to supply the information to CIMMYT to study physiological basis of yield potential. Finally, nine genotypes Entries: 7, 9, 15, 20, 25, 26, 28, 35 and 41 were selected for Bangladesh environment for further evaluation.

Keywords: Physiological parameters, Wheat, Yield consortium network., Grains/spike

Location: Dinajpur, Rajshahi, Joydebpur

Start Date: 00-00-2013

End Date: 00-00-2014

Program Area: Variety and Species

Commodity: Wheat

Objectives:

The objective of this trial was to generate data on yield, yield components and physiological parameters as part of the wheat yield consortium network.

Methodology:

The trial was consisted of 42 high yield potential varieties. The trial was planted on 26 November at Dinajpur, 22 November at Rajshahi and 24 November, 2013 at Joydebpur. The experiment was laid out in 6 x 7 Alpha-lattice design with three replications. The unit plot size was 5m long with 6 rows spaced at 20 cm. Fertilizers were applied @ N₁₀₀ P₂₇ K₅₀ S₂₀ B₁ kg ha^-1. All the fertilizers and two-third of urea were applied during final land preparation and one-third of urea was top dressed after first irrigation. Three irrigation were applied at 21, 55 and 75 days after sowing. Data were recorded on different agronomic characters, 1000-grain weight, physiological parameters and visual seed characteristics. At maturity, the middle four rows of 5 meter long were harvested to estimate grain yield and expressed as kg ha^-1. All recommended intercultural operation was done for better performance of crop.

Source of Information: Annual Research Report, Wheat Research Centre, BARI--2013-14

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The genotypes showed significant and wide range of variation for days to heading (66-73 d), maturity (105-114 d), number of grains/spike (45-66), TGW (31.09-52.98 g), grain yield (3.03-5.19 t/ha), NDVI (0.64-0.76) and Chlorophyll content at anthesis (40.00-50.55). However, there was significant differences were observed for plant height, biomass and canopy temperature. Significant variation for NDVI indicated that the genotypes showed their variation in vegetative greenness, canopy photosynthetic size, biomass accumulation, etc. However, on the basis of earliness, visual grain quality, plant height, grain size, etc. only nine genotypes (Entries 7, 9, 15, 20, 25, 26, 28, 35 and 41) were found promising and selected for further evaluation. The selected genotypes were medium in maturity, with good number of grains/spike and bold grain and showed high values of NDVI (0.69-0.75).

Knowledge Management: Report/Proceedings