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Germination and Seedling Development of Hogpotato (Hoffmanseggia densiflora)

Published online by Cambridge University Press:  12 June 2017

Neil M. Hackett  and
Don S. Murray
Neil M. Hackett
Affiliation:
Dep. Agron., Oklahoma State Univ., Stillwater, OK 74078
Don S. Murray
Affiliation:
Dep. Agron., Oklahoma State Univ., Stillwater, OK 74078
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Abstract

Acid-scarified hogpotato (Hoffmanseggia densiflora Benth. ex. Gray # HOFDE) seed incubated in distilled water germinated at least 94% when incubated at constant 15, 20, 30 C, and at alternate 20/30 C (20 C for 16 h and 30 C for 8 h) temperatures. Highest germination in buffered solutions occurred at pH 5.0 and 6.0 with reduced germination at lower and higher pH levels. Sodium chloride concentrations of 50 mM and greater reduced the germination rate. Percent germination after 9 days was reduced at NaCl concentrations of 100 mM and greater. Radicle lengths measured after 3 days were significantly reduced with increasing NaCl concentration. Twenty-day-old hogpotato seedlings having three true leaves were able to resprout after topgrowth removal. Regrowth occurred on 15% of the seedlings approximately 15 days after top removal.

Keywords

pHtemperaturesalinityperennialregrowthHOFDE
Type
Weed Biology and Ecology
Information
Weed Science , Volume 35 , Issue 3 , May 1987 , pp. 360 - 363
Copyright
Copyright © 1987 by the Weed Science Society of America 

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References

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