Maize important question for jrf agronomy

Agronomy General Agriculture

Maize important question for jrf agronomy




1The botanical name of maize isZea mays
2Maize crop is also referred asQueen of cereals
3The maize protein is known asZein
4Protein and oil per cent in Maize grain8–10 per cent and 4–5 per cent
5Most widely grown maize spp. in India?Zea mays indurate (Flint corn)
6Leading state of rabi maize?Bihar
7Maize variety widely grown in USA?Zea mays identata (Dent corn)
8The sweetest maize speciesZea mays sacchrata (Sweet corn)
9Maize species produce starch similar to tapiocaZea mays ceretina (Waxy corn)
10Seed rate of Hybrid maize15 to 20 kg/ha
11First maize hybrid released in India?.1961
12Single cross technology of maize is given byEast and Shull (1910)
13Double cross technique of maize is given byD.F. Jones (1920)
14Fodder crop maize varieties areAfrican tall, J1006
15Pop corn maize varieties areAmber pop, V L Amber. Pop, Pearl pop corn
16Quality Protein Maize (QPM) varieties released by usingOpaqua-2 genes
17.QPM varieties areSakti, Shaktiman 1 & 2, HQPM
18Hybrid varieties of maizeGanga-1, 3, 5, 101, Ganga safed-2, Ranjit, Ganga-4
19.Composite varieties of maizeJawahar, Vikram, Kishan, Ambar, Sona, Vijay.
20The most critical stages for irrigation in maizeSilking stage.
21Maize crop leaves show red and purple colour due to deficiency of.Phosphorus (P)
22CIMMYTCentro International de Mejorimiento de Maizy Trigo (International Centre for the
improvement of Maize and Wheat) situated in Mexico
24Area and ProductionArea : 130 m.ha.
25maize isIt is a C4 short day plant.
26SoilMaize is best adapted to well drained sandy loam to silt loam soil
27Hybrids100 to 105 days. Deccan, Ganga Safed, Ganga-4, Ganga-5, Ganga-7,9, Histarch,
Sangam, In Tamil Nadu, CoH1, CoH2 and CoH3 Hybrids, 5.5 to 6.0 t/ha.
28Promising Composites100 to 105 days. Amber, Vijay, Kisan, Sona, Vikram, Jawahar
29Time of sowingIn India, it is grown in 3 seasons.
1. Kharif – June – July (85% of rainfed area)
2. Rabi – Peninsular India and Bihar. Oct – November
3. Spring : North India. Jan – Feb. Irrigated condiiton

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