scholarly journals Critical period of Echinochloa oryzicola control in rice cultivars with different plant types in the cool temperate region of Japan

2015 ◽  
Vol 60 (1) ◽  
pp. 1-4
Author(s):  
Masaaki Tachibana
Keyword(s):  
Critical Period ◽  
Rice Cultivars ◽  
Temperate Region ◽  
Cool Temperate

Site related δ13C of vegetation and soil organic carbon in a cool temperate region

2017 ◽  
Vol 418 (1-2) ◽  
pp. 293-306 ◽  
Author(s):  
Mukesh Kumar Gautam ◽  
Kwang-Sik Lee ◽  
Byeong-Yeol Song ◽  
Yeon-Sik Bong
Keyword(s):  
Organic Carbon ◽  
Soil Organic Carbon ◽  
Temperate Region ◽  
Cool Temperate

Cold tolerance of gametophytes and sporophytes of some cool temperate ferns native to Hokkaido

1981 ◽  
Vol 59 (5) ◽  
pp. 604-608 ◽  
Author(s):  
Toshiyuki Sato ◽  
Akira Sakai
Keyword(s):  
Life History ◽  
Drought Tolerance ◽  
Water Content ◽  
Cold Tolerance ◽  
Room Temperature ◽  
Freezing Resistance ◽  
Temperate Region ◽  
Cool Temperate ◽  
Cold Tolerant ◽  
History Of

To study the phenological adaptation of the life history of ferns to colder regions, the freezing resistance of gametophytes and sporophytes of 14 cool temperate region ferns native to Hokkaido was evaluated in Sapporo. Moreover, drought tolerance of gametophytes of some cool temperate ferns was elucidated. The mature sporophytes were hardy from −5 to −20 °C in most species. However, gametophytes of most species were tolerant to below −40 °C and regrew into normal gametophytes in a month at room temperature. Most of the gametophytes survived well after dehydration to 2–10% water content. The gametophytic generation was more cold tolerant than the sporophytic one. Thus, the gametophytic generation, rather than the sporophytic, might be the generation that survives cold temperature in the field.

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