Efeito de temperaturas sobre a germinação de sementes de erva-de-touro (Tridax procumbens )
نویسندگان
چکیده
منابع مشابه
Efeito da Densidade de Plantas e Posição das Sementes na Planta-Mãe sobre as Características Fisiológicas de Sementes de Carrapicho (Xanthium strumarium)
Experiments were conducted in 2010 to determine the influence of plant density and seed position on the mother plant on seed physiological characteristics of cocklebur (Xanthium strumarium). Cocklebur burs were collected in fall of 2010 from Research Farm of University of Agricultural Sciences and Natural Resources of Gorgan, Iran. The experiment was established as factorial arrangement using a...
متن کاملEFEITO DO DESLINTAMENTO QUÍMICO SOBRE A OCORRÊNCIA E DESENVOLVIMENTO DE Colletotrichum gossypii ASSOCIADO ÀS SEMENTES DE ALGODOEIRO*
Effects of chemical delinting on the level of occurrence and development of Colletotrichum gossypii associated with cotton seeds The present work was conducted in two phases. The first phase evaluated how the lenght of time of chemical delinting, 1:30 and 4:30 min, effected the level of infection by Colletotrichum gossypii on artificially inoculated cotton (Gossypium hirsutum) seeds. Non-delint...
متن کاملEfeito de um cimento de ionômero de vidro sobre a remineralização de cárie na superfície oclusal – estudo in situ
This work evaluated the remineralization of demineralized enamel of pits and fissures of human third molars sealed with a glass ionomer cement (Fuji IX, GC Corporation Japan) or with a Bis-GMA sealant (Delton Dentsply). Ten volunteers participated in this in situ study that consisted of two thirty-day periods using intra-oral devices, with a week’s interval in between. Four experimental treatme...
متن کاملTeste De Tetrazólio Em Sementes De Abobrinha
The objective of this research was to develop an appropriate tetrazolium methodology for viability and vigor evaluation of squash seeds. The following procedures were tested for preconditioning of the seeds: moistening in wet paper towel for 16 to 24h at 25°C; immersion in water for 15, 30 and 60 minutes at 40°C for tegument removal, and for 30 and 60 minutes for removal of the embryo surroundi...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Planta Daninha
سال: 2000
ISSN: 0100-8358
DOI: 10.1590/s0100-83582000000300010