The following points highlight the four main steps of hybrid seed production. The steps are: 1. Choice and Development of Seed Parent (A-Line) 2. Choice and Development of Restorer or Male Parent (R-Line) 3. Maintenance and Multiplication of Parental Seeds 4. Production and Improvement of F1 Hybrids. Step # 1. Choice and Development of Seed Parent (A-Line): The seed parent [...]
In this article we will discuss about the biotechnology in plant breeding. In the conventional plant breeding programme, the development of a new variety or hybrid takes about five to twelve years, starting from inbred production and then hybridization and selection of F1 hybrids. To overcome the sexual barrier (pre-fertilisation and post-fertilisation), there is the need of modern non-conventional breeding [...]
In this article we will discuss about the cultivation and improvement of tea. Tea: Tea, Camellia sinensis, is one of the most popular caffeine containing beverage, obtained from tender leaves of the tea plants after processing. Tea contains 13-18% tannin, 2-5% theine and a volatile oil. There are two main varieties, e.g., bohea (Chinese tea) and assamica (Indian, i.e., Assam [...]