Characterization of maize inbreds in testcrosses for plant and ear characters and yield at varying plant densities and effectiveness of selection in successive generations of inbred progenies for improvement of hybrid yields

Abstract

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Stover forage quality and stalk strength relationships in corn, Zea mays L.

“…The plant density at which the plateau occurs is a function of the amount of stress and genotype. Besides affecting yields, plant density also affects other plant characters like plant height, ear height, number of ears per plant, ear size and weight, and the silking to pollen shedding interval as pointed out by Wolf and Howard (1957), Colville and McGill (1952), Ortiz-Cereceras (1967), andEl-Lakany andRussell (1971). A trend for increased plant and ear height as plant density increases was reported by Zuber and Grogan (1956), Zuber et al (1960), and Rutger and Crowder (1967), On the other hand, Dungan et al (1958), Norden (1951), andWarren (1963) stated that the number of ears per plant, ear length, and -weight decreased as plant density increased.…”

Stover forage quality and stalk strength relationships in corn, Zea mays L.

“…The plant density at which the plateau occurs is a function of the amount of stress and genotype. Besides affecting yields, plant density also affects other plant characters like plant height, ear height, number of ears per plant, ear size and weight, and the silking to pollen shedding interval as pointed out by Wolf and Howard (1957), Colville and McGill (1952), Ortiz-Cereceras (1967), andEl-Lakany andRussell (1971). A trend for increased plant and ear height as plant density increases was reported by Zuber and Grogan (1956), Zuber et al (1960), and Rutger and Crowder (1967), On the other hand, Dungan et al (1958), Norden (1951), andWarren (1963) stated that the number of ears per plant, ear length, and -weight decreased as plant density increased.…”