M.SC. BOTANY SEM - II MGSU, BIKANER

Origin of Bajra :- 1.  Introduction :- ·      Common Name:-  Pearl millet ·       Botanical Name:-   Pennisetum glaucum ·    Family:-  Gramineae or Poaceae ·       Chromosome Numbers:-  2n = 2x = 14 2.  Species :- 3. Center of Origin:-  Sahel zone of Africa Cultivation of Bajra:- 1. Season:- > It is grown during summer season in the month of February-May in parts of Rajasthan, Uttar Pradesh and Gujarat. > It is also grown post rainy season also known as Rabi season in the month of November-February at a small scale in Gujarat and Maharashtra. 2. Climate:- > It grows best in warm and dry conditions. > It is a drought tolerant crop which requires low annual rainfall of 40cm-60cm. > Optimum temperature for its cultivation is 20°c-30°c. > During its vegetable growth, moist weather is very beneficial. > Bajra is grown as Kharif crop in North India and in southern parts it is known a...

Origin of  Maize  :- 1.  Introduction :- >  Common Name:-  Maize, Corn >  Botanical Name:-  Zea mays >  Family:-  Poaceae or Gramineae >  Maize has the highest crop yield among all of the cereals, hence it is called the 'queen of cereal crops. 2.  Chromosome Numbers and Species :- Note:- Out of the above, only Zea mays is a cultivated species. The remaining three are wild species collectively called 'Teosinte'. 3.  Types of Maize :-  5  types  – 4.  Center of Origin :- ·    Primary Center of Origin :-   Mexico ·    Secondary Center of Origin :-   China Cultivation of Maize:- 1. Climate requirements:- > Maize requires the warmth and humid climate.  i. For germination is 21 degree C. ii. For growth is 32 degree C. 2. Soil type:- > Maize thrives better on well drained ,sandy- loam to silty – loam soils.  >   Land Preparation:- - Give four to fiv...