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Triploid block is a phenomenon describing the formation of nonviable progeny after hybridization of flowering plants that differ in ploidy. The barrier is established in the endosperm, a nutritive tissue supporting embryo growth. [1] [2] This phenomenon usually happens when autopolyploidy occurs in diploid plants.
Terpenes are major biosynthetic building blocks. Comprising more than 30,000 compounds, these unsaturated hydrocarbons are produced predominantly by plants , particularly conifers . [ 1 ] [ 2 ] [ 3 ] In plants, terpenes and terpenoids are important mediators of ecological interactions , while some insects use some terpenes as a form of defense.
AAC blocks on a residential house construction site in Russia. AAC is a concrete-based material used for both exterior and interior construction. [ 21 ] One of its advantages is quick and easy installation because the material can be routed , sanded, or cut to size on-site using a hand saw and standard power tools with carbon steel cutters.
During the growth of hemp the plant absorbs CO 2, the binder begins to absorb CO 2 after the mixing process, and the wall absorbs CO 2 counteracting the greenhouse emissions, by acting as a carbon sink. [6] A hempcrete block will continue to store carbon throughout its life and can be crushed and used again as a filler for insulation. [6]
Hypersensitive response (HR) is a mechanism used by plants to prevent the spread of infection by microbial pathogens.HR is characterized by the rapid death of cells in the local region surrounding an infection and it serves to restrict the growth and spread of pathogens to other parts of the plant.
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LECA can be easily used for plant-growing substrate. LECA is a versatile material and is utilized in an increasing number of applications. In the construction industry, it is used extensively in the production of lightweight concrete, blocks and precast or incast structural elements (panels, partitions, bricks and light tiles).