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Butternut trees killed by butternut canker. O. clavigignenti-juglandacearum produces its spores asexually; its sexual form of reproduction has never been observed. Pycnidiospores are released during rainy periods. When the spores make contact with wounds or broken branches, they germinate and penetrate
Sprouting is the natural process by which seeds or spores germinate and put out shoots, and already established plants produce new leaves or buds, or other structures experience further growth. In the field of nutrition, the term signifies the practice of germinating seeds (for example, mung beans or sunflower seeds ) to be eaten raw or cooked ...
Cross section, showing how the root and the upper part of the plant grow Germination is the process by which an organism grows from a seed or spore . The term is applied to the sprouting of a seedling from a seed of an angiosperm or gymnosperm , the growth of a sporeling from a spore , such as the spores of fungi , ferns, bacteria , and the ...
Butternut hybridizes readily with Japanese walnut. The hybrid between butternut and the Japanese walnut is commonly known as the 'buartnut' and inherits Japanese walnut's resistance to the disease. Researchers are back-crossing butternut to buartnut, creating 'butter-buarts" which should have more butternut traits than buartnuts.
True dormancy or inherent (or innate) dormancy is caused by conditions within the seed that prevent germination even if the conditions are favorable. [7] Imposed dormancy is caused by the external conditions that remain unsuitable for germination [8] Seed dormancy can be divided into two major categories based on what part of the seed produces dormancy: exogenous and endogenous. [9]
Butternut may refer to: Butternut (tree), Juglans cinerea, a species of walnut tree commonly called a butternut tree; Butternut squash, Cucurbita moschata, an edible ...
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Butternut squash (Cucurbita moschata), known in Australia and New Zealand as butternut pumpkin or gramma, [1] is a type of winter squash that grows on a vine. It has a sweet, nutty taste similar to that of a pumpkin. It has tan-yellow skin and orange fleshy pulp with a compartment of seeds in the blossom end.