Simulated Impacts of Current and Projected Climates on Bt Cotton Genotypes Across Nik Using Dssat Model (Record no. 70945)

MARC details
000 -LEADER
fixed length control field 02763nam a2200217 4500
003 - CONTROL NUMBER IDENTIFIER
control field OSt
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250319163728.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 250319b |||||||| |||| 00| 0 eng d
040 ## - CATALOGING SOURCE
Transcribing agency UAS Dharwad
041 ## - LANGUAGE CODE
Language code English
082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER
Classification number 630.2515
Author Label MUN
100 ## - MAIN ENTRY--PERSONAL NAME
Name of Author Mundinamani Meghana
245 ## - TITLE STATEMENT
Title Simulated Impacts of Current and Projected Climates on Bt Cotton Genotypes Across Nik Using Dssat Model
250 ## - EDITION STATEMENT
Edition Statement M.Sc. (Agri)
260 ## - PUBLICATION, DISTRIBUTION, ETC.
Place of Publisher Dharwad
Name of Publisher University of Agricultural Sciences
Publication Year 2024
300 ## - PHYSICAL DESCRIPTION
Book Pages 198
Book Size 32 Cms
520 ## - SUMMARY, ETC.
Abstract. ABSTRACT<br/><br/> The introduction of Bt cotton in India in 2002 has significantly increased cotton production in recent decades. However, the performance and consistency of cotton cultivation are being affected by climate change-induced weather variability. To understand the potential impact across different climatic zones, this study aims to calibrate the DSSAT-Cotton model for selected Bt cotton hybrids and investigate their performance under varying climate scenarios in Northern Interior Karnataka (NIK) on black clay soils, specifically under rainfed conditions.The objectives of this study include calibrating the DSSAT model for nine selected Bt cotton genotypes and assessing the model's performance by comparing simulated outputs with observed values. The cotton crop for observations was grown in Kharif 2022-23 at MARS, Hebballi, Dharwad where nine Bt cotton hybrids (Neelam, Ajeet-199, Super cot, RCH-Magic, MRC-7351 Gold, MRC-7017, Money maker, Rasi-659, and Dr Brent) were included of which different physiological and yield attribute observations were collected..The calibrated model demonstrated satisfactory performance, with minor differences observed in anthesis day and physiological maturity for some genotypes. Yield values exhibited a moderate variation from the simulated values. Among the tested hybrids, Super cot exhibited the highest yield of 1476 kg/ha, while Rasi-659 recorded the lowest yield of 775.2 kg/ha. Further validation and simulations are carried to quantify the impact of projected weather on Bt cotton genotypes and identify adaptation strategies. As Bt cotton is a significant cash crop in NIK, changes in weather patterns, particularly rainfall and temperature, directly influence crop phenology, evapotranspiration, water requirements, and ultimately, yield across different soil types. Therefore, the study recommends utilizing the DSSAT-CROPGRO Cotton model to estimate the impact of climate change on Bt cotton performance across all 13 districts of North Interior Karnataka, considering rainfed and potential conditions.
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Subject Agricultural Meteorology
700 ## - ADDED ENTRY--PERSONAL NAME
2nd Author, 3rd Author Patil R. H.
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha Item type THESIS
Edition M.Sc. (Agri)
Classification part 630.2515
Call number prefix HAD
Suppress in OPAC No
942 ## - ADDED ENTRY ELEMENTS (KOHA)
-- 630_251500000000000
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-- 70945
-- 70945
Holdings
Withdrawn status Lost status Source of classification or shelving scheme Damaged status Not for loan Home library Current library Date acquired Total checkouts Full call number Barcode Date last seen Copy number Price effective from Koha item type
    Dewey Decimal Classification     University of Agricultural Sciences, Dharwad University of Agricultural Sciences, Dharwad 19/03/2025   630.2515/HAD T14119 19/03/2025 1 19/03/2025 THESIS