Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"critical photoperiod"”.
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Use of monoploid solanum phureja in cell and tissue culture techniques for potato improvement
… and the diploid anther-donor plant were grown in photoperiod chambers at The Southeastern Plant Environment Laboratories (SEPEL) at North Carolina State University to examine the effect of photoperiod on tuber yield and to determine the variability for critical photoperiod for tuberization. …
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Flowering Control and Production of Strobilanthes dyerianus Mast. (Persian Shield)
… 8 h, 10 h, 12 h and a 4 h night interruption photoperiod treatments to determine critical photoperiod. None of the photoperiod treatments were significant for inhibiting flowering and there was a positive correlation between plant size and flowering. A second experiment was performed in growth …
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Flowering Time Response of Diverse Lentil (Lens Culinaris Medik.) Germplasm Grown in Multiple Environments
… genotypes. Studies revealed that temperature and photoperiod are major environmental factors defining DTF. This research was conducted with the objective of understanding the variation of DTF governed mainly by temperature and photoperiod and their interactions and identifying genomic regions and …
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Cold Tolerance, Diapause and Winter Survival of the Brown Marmorated Stink Bug (<i>Halyomorpha halys</i>)
… indicated that diapause was induced by a critical photoperiod of 11h:13h (L:D), indicating a process potentially influenced by multiple environmental factors. Also at this time, females no longer had developed eggs in the ovaries, indicating reproductive arrest. Overwintering sites …
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Overwintering Mechanisms of La Crosse Virus Vectors
… of these two species to enter diapause or their critical photoperiods, but there was a significant negative effect of LACV infection on survivorship of embryos that were placed in their natural habitat and in their susceptibility to low temperatures. LACV infection had a more significant negative …