Dormancy of peanut seeds

Nakamura, S.; Sato, Takao

doi:10.2503/jjshs.34.134

Cited by 1 publication

(1 citation statement)

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“…Many plants naturally induce dormancy in the period from autumn to winter due to short day lengths and low temperatures, and a chilling period is then required to break the dormancy (Hasegawa and Tsuboi, 1960). However, dormancy can also be broken by high temperatures in seeds (Nakamura and Sato, 1965), bulbs (Yazawa, 1976), and tubers (Park et al, 2003). Therefore, ample evidence suggests that dormancy in garden plants can naturally be broken by both high and low temperatures (Tamura et al, 1993;Tohbe et al, 1998).…”

Section: Effect Of High Temperatures On the Continuation Of Growthmentioning

confidence: 99%

Effect of High-Temperature Treatments on the Breaking of Dormancy in One-Year-Old Asparagus (<i>Asparagus officinalis</i> L.)

Yamaguchi

Maeda

2015

Environmental Control in Biology

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In the forced cultivation of asparagus (Asparagus officinalis L.), it is necessary to completely break the dormancy state. We investigated the effect of high temperatures on dormant asparagus ('Welcome') to develop an efficient method for the early breaking of dormancy. Dormant plants were treated at 20.0°C, 22.0°C, 24.0°C, 26.0°C, and 28.0°C for 21 d in incubators. After treatment, spear germination was observed in the plants treated at relatively high temperatures (26.0°C and 28.0°C), whereas those treated at 20.0°C, 22.0°C, and 24.0°C remained dormant. Dormant plants treated at 28.0°C for 2, 4, 8, 12, 15, and 20 d were moved to the greenhouse (average temperature 18.2°C) to evaluate the effects of the treatment period on dormancy breaking. Spear germination was observed in plants treated for 4, 8, 12, 15, and 20 d, while untreated plants and those treated for 2 d still appeared dormant. These results suggested that the dormancy of asparagus ('Welcome') could be broken by treatment for 4 d at 28°C.

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Section: Effect Of High Temperatures On the Continuation Of Growthmentioning

confidence: 99%