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This article in AJ

  1. Vol. 63 No. 1, p. 135-136
     
    Received: June 23, 1970
    Published: Jan, 1971


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doi:10.2134/agronj1971.00021962006300010042x

Influence of Date of Planting on the Yield of Kenaf (Hibiscus cannabinus, L.)1

  1. Eli L. Whiteley2

abstract

abstract

Kenaf (Hibiscus cannabinus L.) is a promising new annual source of pulp for industry. Dry matter yields which are sufficiently high to compete with existing crops in Texas are needed. Adaptation and cultural studies were undertaken to determine levels of productivity that can be expected in the eastern part of the state. Some varieties of kenaf are classified as daylength insensitive and should produce high yields from early planting dates. However, in this test the variety × planting interaction within years was not significant. The earliest planting date produced the highest yield in only one (1967) of the 3 years of the study. Moisture and light influenced yields as much as date of planting.

Average dry mater yields of 5.17 to 14.29 tons/ha were obtained over the 3 years of tests. Yields in excess of 12 tons/ha were obtained each year of the tests. Differences in production potential of available varieties were obtained. Yields of some of the varieties were quite different from year to year. 'Guatemala 45' produced 6.52 tons/ha in 1968 and 14.67 tons/ha in 1969.

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