Maize Crop

Maize

Botanical Name :- Zea Mays L.

Family :- Poaceae

Origin :- Mexico

2n :- 20

Seed rate kg/ha :-

• Normal / Composite :- 15 - 20 kg/ha
• Hybrid :- 18 - 25 kg/ha
• Fodder maize :- 40 - 50 kg/ha

Spacing of maize :- 25 - 30 cm

Sowing time :- April - August

Water requirement of maize :- 500 - 800 mm

Plant population of maize :- 66,000 plants

Nutrient Management :- NPK Kg/ha

• Normal :- 60 : 40 : 30
• Hybrid :- 120 : 50 : 40
• Composite :- 100 : 40 : 30

Classification of maize :-

1. Zea mays amglacea :- Soft Corn
2. Zea mays ceratina :- Waxy Corn
3. Zea mays everta :- Pop Corn
4. Zea mays indentata :- Dent Corn
5. Zea mays saccharata :- Sweet Corn
6. Zea mays tunicate :- Pod Corn
7. Zea mays indurate :- Flint Corn

Maize Contain :-

• Protein :- 8 - 10 %
• Oil :- 4 - 5 %

Yellow seeded hybrid variety of maize :- 

Ganga-1, Ganga-3, Ganga-5 Ganga-101 and Ranjeet

White Seeded hybrid variety of maize :- 

Ganga safed-2, High starch and Ganga-4

• Maize is known as :- Queen of cereals
• In maize first appearance is :- Tassels (Male Flower)
• Maize protein is called :- Zein
• Yellow colour of maize is due to presence of :- Cryptoxanthin
• The chemical found in maize plant is due to the presence of :- GSH enzyme
• Critical stages for irrigation in maize :- Tasseling & Silking
• Optimum moisture content at harvest in maize :- 10 %
• Maize crop is highest yield potential non-tiller, cross pollinated :- C₄ plant
• Composite & Synthetic cultivars are used in :- Maize
• Maize is sensitive to :- Water logging & Drought
• Maize protein is deficient in :- Tryptophan & Lysine
• 1^st hybrid maize was conceived in 1910 by :- E.M.East & G.H. Shull
• Double cross technique of production of maize was given :- D.F. Jones (1920)
• 1^st hybrid maize variety developed in India :- Ganga-1 (1961)
• White bud of maize is caused by :- Zn deficiency
• Rabi season  maize is extensively grown in :- Bihar
• Baby corn variety of maize are :- VL-42, Prakash
• Drought resistance variety of maize :- Prakash & Megha
• Fodder variety of maize :- Ganga-5, African tall - 11006, Vijay, Manjri and Deccan
• Hybrid variety of maize :- Sangam, Ganga safed
• Top cross variety of maize :- Ganga-2 and Hi Starch
• Composites variety of maize :- Vikram, Vijay, Amber, Kisan, Jawahar, Sona, Prabhat, Pratap