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Physiological traits as determinant of yield in muskmelon under field conditions

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Title Physiological traits as determinant of yield in muskmelon under field conditions
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Creator De, Nirmal
Ram, Dangar
Pandey Sudhakar
 
Subject Muskmelon, Physiological attributes, Carbon assimilation rate, leaf conductivity, stomatal resistance, transpiration rate, yield
 
Description Not Available
During the explorative trial, basic information on physiological attributes and its relationship with yield attributes were recorded. Based on the observation under explorative trial, the critical observation on the association of physiological attributes as determinant to biological and economic yield of muskmelon was further studied during summer. Seven muskmelon genotypes were tested in field condition to correlate the effect of significant variation of leaf net carbon assimilation rate (leaf NAR), leaf conductivity to water and CO 2, stomatal resistance (SR) and transpiration rate (E) on economical yield and yield attributing parameters. The pooled mean value (n = 63) of leaf net carbon assimilation rate ranged from 11.82 to 18.37 mmol m(-2)s(-1) at flowering stage (42 2 days after sowing) at an average photosynthetic active radiation (PAR) of 1500 50 mmol m(-2)s(-1). Economic yields across seven genotypes were correlated significantly with leaf NAR (r = 0.87). The economic yield was positively correlated to leaf CO2 conductivity, transpiration rate and negatively to stomatal resistance in the tested muskmelon varieties. Genetic variability alone and with environmental interaction was directly and positively correlated to yield. Genotypes having high photosynthetic rates were found to have high yield. High leaf net assimilation rate at flowering stage could preliminary predict genotypes expected to give a high economic yield.
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Date 2021-07-20T09:48:19Z
2021-07-20T09:48:19Z
2008-03-01
 
Type Research Paper
 
Identifier Not Available
0972-8538
http://krishi.icar.gov.in/jspui/handle/123456789/49209
 
Language English
 
Relation Not Available;
 
Publisher The Horticultural Society of India