volume 44 issue 4 (december 2010) : 267 - 273
ANALYSIS OF YIELD COMPONENTS AND THEIR ASSOCIATION IN WHEAT FOR ARTHITECTURING THE DESIRABLE PLANT TYPE
1Department of Genetics and Plant Breeding Janta Vedic College
Baraut, Baghpat -250 609, India
ABSTRACT
Experiment was conducted to assess the magnitude of association and contribution of
traits including diseases of yield in wheat. It was observed that days to maturity, tillers plant-1,
effective tillers plant-1, grain weight spike-1, grain yield plant-1 and leaf blight-1, leaf blight-2,
powdery mildew had maximum coefficient of variation. The high heritability was found for days
to 75% heading, plant height, tillers plant-1, spike length and spikelets spike-1, grain weight
spike-1, number of seed plant-1 and leaf blight-3. Highly significant positive association of days
to 75% heading with grain weight spike-1 and plant height was found correlated with tillers plant-
1 and effective tillers plant-1. However the grain weight spike-1 is significantly positively correlated
with grain yield plant-1. Grain weight spike-1 and number of seeds plant-1 were observed positive
significant correlation with grain yield plant-1 in wheat
traits including diseases of yield in wheat. It was observed that days to maturity, tillers plant-1,
effective tillers plant-1, grain weight spike-1, grain yield plant-1 and leaf blight-1, leaf blight-2,
powdery mildew had maximum coefficient of variation. The high heritability was found for days
to 75% heading, plant height, tillers plant-1, spike length and spikelets spike-1, grain weight
spike-1, number of seed plant-1 and leaf blight-3. Highly significant positive association of days
to 75% heading with grain weight spike-1 and plant height was found correlated with tillers plant-
1 and effective tillers plant-1. However the grain weight spike-1 is significantly positively correlated
with grain yield plant-1. Grain weight spike-1 and number of seeds plant-1 were observed positive
significant correlation with grain yield plant-1 in wheat
REFERENCES
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Indian Journal of Agricultural Research
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