Irradiation of Grand Rapids lettuce (Lactuca sativa L.) seeds with red light (R) results in an increase in the growth response in the embryonic axes which enables them to overcome the mechanical restriction of the endosperm or the osmotic restriction of an external solution. When the growth rates of
Blue and Red Light-Induced Germination of Resting Spores in the Red-Tide Diatom Leptocylindrus danicus
β Scribed by Tomoyuki Shikata; Mineo Iseki; Shigeru Matsunaga; Sho-ichi Higashi; Yasuhiro Kamei; Masakatsu Watanabe
- Book ID
- 111413740
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 350 KB
- Volume
- 87
- Category
- Article
- ISSN
- 0031-8655
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Using lettuce (Lactuca sativa L., cv. Grand Rapids) embryos in osmotica, we have demonstrated that when the growth rates of the embryonic axes of seeds treated with red (R) or far-red (FR) light are equalized, the axes of R-treated seeds develop a 3.4-bar decrease in water potential (paper No. III).
The fluence dependence of the time course of accumulation of chalcone synthase mRNA in ultraviolet (UV)-light-irradiated cell suspension cultures of parsley (Petroselinum crispum) and the additional effects of blue and far-red light have been investigated. Variations of the UV fluence had no detecta