Calculating the Threshold Temperature of Development for Weeds

Weed seeds were germinated in incubators at constant temperatures ranging from 4 to 32 C increments. Percent germination per day was regressed against temperature with the x-intercept representing the low threshold temperature for development. Low threshold temperatures for development (low TTD'...

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Veröffentlicht in:	Weed science 1987-03, Vol.35 (2), p.177-179
Hauptverfasser:	Wiese, Ann M., Binning, Larry K.
Format:	Artikel
Sprache:	eng
Schlagworte:	amaranthus Amaranthus retroflexus chenopodium Chenopodium album crecimiento croissance Developmental biology Echinochloa crus-galli echinochloa frumentacea germinacion Germination graine growth Heat Larvae Low temperature malezas mauvaise herbe Millet modele modelos Panicum miliaceum Phytotrons Plant growth Plants seeds semilla temperatura temperature Weed Biology and Ecology Weeds
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Beschreibung
Zusammenfassung:	Weed seeds were germinated in incubators at constant temperatures ranging from 4 to 32 C increments. Percent germination per day was regressed against temperature with the x-intercept representing the low threshold temperature for development. Low threshold temperatures for development (low TTD's) calculated for wild proso millet (Panicum miliaceum L. # PANMI), barnyardgrass [Echinochloa crus-galli (L.) Beauv. # ECHCG], common lambsquarters (Chenopodium album L. # CHEAL), and redroot pigweed (Amaranthus retroflexus L. # AMARE) were 6.9, 9.7, 6.0, and 10.0 C, respectively.
ISSN:	0043-1745 1550-2759
DOI:	10.1017/S0043174500079017