GERMINATION OF 3 NAMAQUALAND PIONEER SPECIES, AS INFLUENCED BY SALINITY, TEMPERATURE AND LIGHT

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作者
DEVILLIERS, AJ
VANROOYEN, MW
THERON, GK
VANDEVENTER, HA
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S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The effects of salinity (simulated sea-water), temperature and light on seed germination of three Namaqualand pioneer species, were investigated. Increased salinity caused a significant decrease in germination percentages and delayed mean germination time. The highest germination percentages occurred at temperatures of 15 degrees C for Senecio elegans, 20 degrees C for Dimorphotheca sinuata, and 25 degrees C for Atriplex semibaccata. The effect of light differed depending on species, temperature and salinity.
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页码:427 / 433
页数:7
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