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 “"nectary"”.
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Biosystematic and Ecological Investigations on Tuberous Aconitum (Ranunculaceae) of the United States
Nectary depth in Aconitum columbianum Nutt. in T. & G. shows little variation within populations but much continuous variation among populations. Mean nectary depth in populations ranges from 3.4 mm (SD = (+OR-)0.32) to 9.4 mm (SD = (+OR-)0.75). Nectary depth is geographically correlated, and …
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Elucidating the molecular basis of dihydroxyacetone (DHA) production in Leptospermum nectar
… and honey industries, the genetic control of nectary function is poorly understood, especially in non-model species. This thesis aims to elucidate the molecular basis of DHA production in Leptospermum nectar, through identifying associated genes and genomic regions, followed by further …
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The Comparative Anatomy of Extrafloral Nectaries in the Cactus Family (Cactaceae)
… of a basal vascularized stalk filled with subnectary parenchyma and a broad secretory head containing layers of nectary parenchyma. Secretion appears to occur through ruptures in the cuticular covering of the gland. Type 1 EFNs are the most diverse group, with forms that range from spine-like, …
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The effect of post-harvest ammonium sulphate application, planting time and sucker size on plant growth and yield of queen pineapple, ananas comosus
… occurrence and total soluble solids. Black spot, nectary duct and internal browning infestation were influenced by the number of days the fruit were kept in storage after harvesting. Post-harvest (NH4)2SO4 application and sucker size had no significant influence on black spot, nectary duct and …
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Relationship of the apple aphis and other insects to the dissemination of fire blight in apple orchards, with a view to methods of blight control
… blight, due to the bacterial infecting the nectary of the flower and multiplying therein, later passing down into the stem by way of the ovary and pedicel. Apparent by the browning of the flowers, which later become blackened. 2. Twig blight, due to inoculation infections through wounds made …