Spatial and temporal arrangement of hybrid maize for assessment of phenology and agrometeorological indices

Phenology and agrometeorological indices of maize

Authors

  • SUFFIYA WANI Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India
  • RAIHANA HABIB KANTH Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, India
  • TAUSEEF A BHAT Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India
  • Z ADAR Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India
  • UMMAISA REHMAN Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India
  • DIVYA PRASHAR Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India
  • AABIROO RASHID Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India
  • RAIEESA Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India
  • SUMYRAH MUKHTAR Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India

DOI:

https://doi.org/10.21921/jas.v10i01.12248

Keywords:

Agrometeorological indices, Growing degree days, Maize, Phenology, Yield

Abstract

A field trial was conducted during the Kharif season of 2020 to assess the effect of spatial and temporal crop geometry on the phenology, yield and agro meteorological indices of hybrid maize at the Agronomy Research Farm, FoA Wadura, Sopore, SKUAST-Kashmir. The experiment was carried out in split- split plot design with dates of sowing (17th SMW; D1), 19th SMW; D2 and 21st SMW; D3) as main plot treatments; varied row spacing (50 cm × 20 cm; S1, 60 cm× 20 cm; S2 and 70 cm ×20 cm; S3) as sub- plot treatments and two maize hybrids (Hytech- 5801;H1 and YSH- 1; H2) as sub- sub plot treatments. Results indicated that hybrid Hyteh- 5801 sown on 17th SMW observed highest grain yield and biological yield and took greater days to reach different phenological stages, thereby piled higher heat units, PTUs, HTUs, HyTUs, PTI followed by 19th SMW and 21st SMW. The plant spacing of 70 cm ×20 cm took maximum days for reaching different phenophases and accumulated maximum heat units, PTUs, HTUs, HyTUs, PTI. Thermal use efficiencies were maximum ((HTUE, PTUE, HyTUE and HUE)) when the maize hybrid Hytech-5801was sown on 17th SMW. The biological yield based thermal efficiencies showed the highest response with row-spacing of 50 cm × 20 cm whereas grain yield based thermal efficiencies were maximum under 70 cm×20 cm plant spacing.

Author Biographies

SUFFIYA WANI, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India

Deptt. of Agronomy, Faculty of Agriculture

RAIHANA HABIB KANTH, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, India

Dean, Faculty of Agriculture

TAUSEEF A BHAT, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India

Deptt. of Agronomy, Faculty of Agriculture

Z ADAR, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India

Dryland Agriculture Research Station

UMMAISA REHMAN, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India

Deptt. of Agronomy, Faculty of Agriculture

DIVYA PRASHAR, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India

Deptt. of Agronomy, Faculty of Agriculture

AABIROO RASHID, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India

Deptt. of Agronomy, Faculty of Agriculture

RAIEESA, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India

Deptt. of Soil science and Agricultural Chemistry, Faculty of Agriculture

SUMYRAH MUKHTAR, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, India

   Deptt. of Soil science and Agricultural Chemistry, Faculty of Agriculture

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Published

2023-03-30

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