Ethylene - plant hormones, Biology

Ethylene - Plant Hormones

Amongst hormones in both plant and animal kingdoms, ethylene, a gaseous hydrocarbon, is unique. Despite its chemical simplicity, it is a potent growth regulator. Even twenty years ago, there was a dispute whether this gas, which had been shown to have a range of multiple effects on plant tissues could be properly called a hormone. Ethylene can be smelt in ripening fruits, as it is involved in the ripening process.

Ethylene gas hastens fruit ripening, and as fruit ripens, it produces even more ethylene gas. It is production of ethylene gas by overripe fruits that explains why one rotten apple can spoil the whole basket. Stimulation of fruit ripening by ethylene has been commercially exploited by shipping tomatoes, bananas, oranges, mangoes and many other fruits when green, in ventilated crates (to prevent accumulation of ethylene) and then gased with ethylene before distributing to consumer. Ethylene may also help in determining sex in certain flowers. Along with gibberellin ethylene controls the ratio of male to female flowers. Ethylene treatment ensures higher ratio of female flowers in some monoecious plants such as cucumber. Therefore, ethylene is widely used in green houses to increase the yield of cucumber by inducing the production of female flowers. Silver nitrate is an antagonist of ethylene. It induces the formation of male flowers.

Posted Date: 1/17/2013 6:09:38 AM | Location : United States







Related Discussions:- Ethylene - plant hormones, Assignment Help, Ask Question on Ethylene - plant hormones, Get Answer, Expert's Help, Ethylene - plant hormones Discussions

Write discussion on Ethylene - plant hormones
Your posts are moderated
Related Questions
Magnesium -  It is available in most of the plants, especially vegetables. By its deficiency diarrhoea is caused. Its important functions are - (a)      Along with c

Are protozoan''s diploblastic or triploblastic

Tracheal system in cockroach Cockroach belongs to phylum Arthropoda under invertebrate. They have specially developed tracheal system for respiration The system consis

The epicardial coronary artery system consists of the left and right coronary arteries, which normally arise from ostia located in the left and right sinuses of Valsalva, respectiv

ME T AMORPHOSIS The differentiation results in the formation of larva / infant. The formation of adult from the larva / infant is called as metamorphosis. The metamorph

Biomass energy Energy produced by burning biomass it is known as biomass energy. When biomass is burnt, it releases stored chemical energy, which has accumulated in it through

Concerning the nitrogen-containing bases that participate in nucleotides, what is the difference among DNA and RNA? In DNA nucleotides can be formed of adenine (A), thymine (T)

Bud grafting A 'T' shaped incision is made on the bark of the stock. A bark is removed on either side of vertical cut. A single bud scion with a little wood is placed

The biomass available for consumption by the herbivores and the decomposers is called : 1. Net primary productivity 2. Secondary productivity 3. Standing crop 4. Gross

Explain about the Proteins? The term protein (Greek: proleuo- to occupy first place) was first suggested by Berzelius to describe the complex organic nitrogenous substances fou