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Mesotrione inhibits the enzyme 4-hydroxyphenylpyruvate dioxygenase (HPPD). [3] It is an extremely potent inhibitor of HPPD in laboratory tests using the plant Arabidopsis thaliana, with a K i value of about 10 pM. [6] In plants, HPPD is necessary for the biosynthesis of tocopherols and of plastoquinone, which is essential to carotenoid production
4-Hydroxyphenylpyruvate dioxygenase (HPPD) inhibitors (HPPD inhibitors) are a class of herbicides that prevent growth in plants by blocking 4-Hydroxyphenylpyruvate dioxygenase, an enzyme in plants that breaks down the amino acid tyrosine into molecules that are then used by plants to create other molecules that plants need.
Leptospermone is a chemical compound (a β-triketone) produced by some members of the myrtle family (), such as Callistemon citrinus (Lemon Bottlebrush), a shrub native to Australia, and Leptospermum scoparium (Manuka), a New Zealand tree from which it gets its name. [1]
It is a method in which a bud from the plant is joined onto the stem of another plant. [2] The plant in which the bud is implanted in eventually develops into a replica of the parent plant. The new plant can either divert its ways into forming an independent plant; however, in numerous cases it may remain attached and form various accumulations.
Isoxaflutole was first marketed by Rhône-Poulenc in 1996. It controls weeds which are important in crops including corn and sugarcane. [5] [9] [10] These include broad-leaved-weeds from Amaranthus, Datura stramonium and ragweed species and annual grass weeds of Alopecurus, Eriochloa and Panicum species.
The following other wikis use this file: Usage on ar.wikipedia.org ميزوتريون; Usage on azb.wikipedia.org مزوتریون; Usage on de.wikipedia.org
The model proposes that auxin, a plant growth hormone, is synthesized in the coleoptile tip, which senses light or gravity and will send the auxin down the appropriate side of the shoot. This causes asymmetric growth of one side of the plant. As a result, the plant shoot will begin to bend toward a light source or toward the surface. [3]
It appears to be derived from a belief that the dried plants repelled fleas [10] or that the plants were poisonous to fleas. [11] The generic name Erigeron is derived from the Ancient Greek words ἦρι ( êri ) "early in the morning" and γέρων ( gérōn ) "old man", a reference to the appearance of the white hairs of the fruit soon after ...