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Correlation analysis among 290 inbred lines of maize (Zea mays L.)

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Maize (Zea mays L.) is the third most important cereal in India after rice and wheat. It is grown in 178 million hectares globally in about 160 countries and contributes to 50% of global grain production (1,170 million MT). Area under maize is consistently, showing increasing trend as there is high demand for maize as it is used as input for large number of products. This demand needs to be met out from shrinking land resources and other production constraints. Yield is a complex inherited character and therefore, direct selection for yield per se may not be the most efficient method for its improvement. Indirect selection for other yield related characters with high correlation will be more effective. Correlation studies between yield and yield components are pre-requisite to plan a meaningful breeding programme to develop high yielding inbreds and hybrids. | Correlation analysis among 290 inbred lines of maize (Zea mays L.)