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August 29, 2021

Daily Dosage - Wheat Oneliner- Agronomy Important Q & A For All Competitive Exams

August 29, 2021 0

 Wheat Oneliner- Agronomy Important Q & A For All Competitive Exams



1.Origin of wheat: South West Asia

2.Botanical  Name  of  Wheat:  Triticum  astivum  (  Bread  Wheat)

3.Family of wheat: Gramineae/Poaceae

4.Chromosome number of wheat: 2n=42

5.Basic chromosome number of wheat: 7

6.Wheat is a C3, Self Pollinated, long day plant.

7. Wheat is Cool and moist weather loving crop.

8. Ph for wheat cultivation: 6 to 7.5

9.Wheat is a Staple food of world.

10.Wheat is known as King of cereals.

11.Wheat and mustard intercropping ratio 9:1

12.Harvesting index of wheat: 40-50%

13.Spacing for wheat sowing: 22.5 x 10 cm

14.Germination type in wheat: Hypogeal.

15.Fruit type of wheat: Caryopsis.

16.Inflorescence of wheat: Head/Ear/Spike.

17.Zigzag axis called as Rachis.

18.Spikelets are composed flower called Florats.

19.Water requirement in wheat: 500- 600mm.

20.Number of irrigation required in wheat: 6.

21.IW/CPE ratio of wheat:0.90

22. Wheat storage moisture percentage : 10-12%

23. Moisture content at harvesting stage in wheat: 25-30%

24.Shelling percentage of wheat : 60%

25.Triticale is a man made cereal which is cross of Wheat x Rye ( by  Rimpu,Swidon,1875).

26.Gene found in wheat Rht-1,2.

27.      First variety of triticale is DT-46.

28.      Larma rojo all three rust of wheat resistant variety.

29.      Seed multiplication ratio of wheat: 1:20

30.      Goojo method is used for production of hybrid seed in wheat.

31.      Indian institute of wheat and barley research, Karnal, Haryana 

32.      Seed rate for wheat sowing-

  •       Dibbling method: 25-30 kg/ha.
  •       Normal sowing: 100 kg/ha.
  •       Late sowing: 125 kg/ha.

33.      Temperature for wheat cultivation-

  •    Mimimum/base : 4⁰C
  •    Optimum : 20-22⁰C
  •    Maximum : 32⁰C
34. Temperature for vegetative stage is 16-22ºC. Temperature above 22ºC decreases the plant height.

35.Sowing depth of wheat: 3-4cm

36.Tall wheat sowing depth: 8-9 cm

37.Test weight of wheat is 40 gm and Test Weight of Phalaris Minor 2 gm.

38.Critical stage for irrigation is CRI after 21 DAS. Discovered by B.L. Bhardwaj.

39.Objectional weed of wheat: Convolvulus arvensis.

40.Absolute weed of wheat:  Chenopodium album (Bathua).

41.Norin- 10 is dwarfing gene in wheat which is discovered by  Dr. N.E. Boulaug in 1962

42.Phalaris minor is a mimicary weed of wheat. Earlier controlled by  isoproturon, now a days it is controlled by solfosulforen.

43.Common herbicide for wheat is 2, 4-D.

44.Bio-fertilizer use in wheat: Azotobacter (Non-symbiotically)

45.Triticum aestivum (2n=42): Mexican dwarf wheat, 87% area covered by T. aestivum, evolved by Dr. N.E. Borlaug. It is also called as Bread wheat. Most suited for chapati and bakery. It is cultivated throughout India

46.T. vulgare (2n=42): tall wheat for rainfed condition, typical wheat for alluvial soil.

47.T. durum (2n=28): Marconi wheat, best for drought condition, used for suji purpose, covered 12% of total wheat. It is best suited for preparation of noodles, vermicelli, etc.

48.T. dicocum (2n=28): emmer wheat called as winter / spring wheat, used for uppumav purpose, mainly grown in south india, only 1 % covered of total wheat area.

49.T. spherococum (2n=14) : Indian dwarf wheat

50.T. monococum (2n=14): Einkon wheat

51.Seminal roots of wheat:temporary and responsible for nourishment to plant in early stage.

52.Crown  roots of wheat: Permanent  and appeared after tillering    stage(20-22 DAS)

53.Critical phases of wheat for irrigation are:CRI: 20-25 DAS

54.Second most critical stage: Flowering

55.Third important stage: Jointing and Milk stages

56.Problematic mono-cot weeds of wheat are: Phalaris minor (Canary grass), Avena fatua (Wild oat), Polypogan monspliensis.

Daily Dosage - Maize - Oneliner- Agronomy Q & A For All Competitive Exams

August 29, 2021 0

 Maize -Oneliner- Agronomy Q & A For All Competitive Exams



1.  Origin of maize: Mexico
2. Botanical name of maize: Zea Mays
3. Family of maize: Gramineae/Poaceae
4. Chromosome number of maize: 2n=20
5. Maize is C4 plant and non-tiller plant.
6. Maize is a cross pollinated crop due to protoandry.
7. Protein in maize is called Zein(10%)
8. Oil percentage in maize- 4%.
9. Germination type of maize– Hypogeal type.
10. White bud in maize caused by Zinc deficiency.
11.  Male part is known as Tessel and female part is known as Silk.
12.  Removal of male part is known as De-tesseling.
13.  Maize is an indicator plant for Zn deficiency.
14.  Maize is a back bone of America.
15.  Bihar is a leading state in rabi maize.
16.  In maize yellow colour due to crypto-xanthin.
17.  Maize is known as queen of cereals.
18.  Opaque-2 gene presents in quality protein maize (QPM) varieties.
19.  Water requirement in maize: 600-800 mm.
20.   Maize is a short day plant.
21.   Indian Council of Agricultural Research (ICAR) established the first Coordinated Crop Improvement Project on maize (CCIPM) in 1957. In 1963 it was renamed as All Indian Coordinated Maize Improvement Project (AICMIP).
22 . It was further upgraded to Directorate of Maize Research (DMR) in January 1994. On 9th February, 2015 DMR was upgraded to ICAR- Indian Institute of Maize Research (ICAR-IIMR) to further consolidate the maize research programme in the country. The headquarters of ICAR-IIMR was shifted from New Delhi to Ludhiana in 2016.
23. Seed multiplication ratio of maize: 1:80 (Varieties) & 1:100 (Hybrids)
24. Flint corn (Zea mays indurata) cultivated in India.
25. About 95% of production in USA is dent corn (Zea mays indentata).
26. Sweet corn (Zea mays saccharata) is a sweetest among all corn.
27. Pop corn (Zea mays everta) When heated to 170°C, the grain swellsand         burst and turning inside out. At this temperature, the water held in the starch turns to steam and the pressure causes the explosion.
28. Seed rate for maize-

  • Composite variety: 15-20 kg/ha.
  • Kharif: 15-20 kg/ha.
  • Baby corn: 25 kg /ha.
  • Hybrid: 20-25 kg/ha.
  • Fodder maize: 40-45 kg/ha.


Daily Dosage -Paddy - Part 2 - Agronomy Important Q & A for all Competitive Exams

August 29, 2021 0

Paddy-Part 2 - Agronomy  Important  Q & A for all Competitive Exams


1.          Seed rate of rice-

  • In Broad casting: 100 kg/ha.
  • In Drilling method: 60 kg/ha.
  • Dapog method: 1.5-3.0 kg/m2.
  • SRI / Medagasker method: 6-7 kg/ ha.
  • Hybrid rice: 15 kg/ha.

2.          Spacing for rice planting-

  • Transplanting : 20 x 10 cm
  • Hybrid : 20 x 15 cm
  • SRI/ medagasker : 8 x 8 inch / 25 x 25 cm

3.          Nursery area for rice planting:

  • Wet method: 1:10 m2
  • SRI method:     1: 100 m2
  •  Dapog method:  1:250 m2

4.      Seedlings become ready to transplant:

  • Kharif : 20-25 day after sowing
  • Rabi : 30-35 day after sowing
  • Depog : 12-14 day after sowing
  • SRI method : 10-12 day after sowing

5.      Depog method is a soil less method which is introduced from Manila ,                     Philippine
6.     SRI method from Madagascar, Developed by hennary di leley in 1980, Firstly adopted by TNAU in India.
7.     Hulling: removal of hull.
8.     Puddling: it is a process of destruction of soil aggregates by mechanical force in soil with excessive moisture  content  and  reduced the percolation loss.
9.     Milling : polishing of rice ( thus loss of Vit-B)
10.    Parboiling : hydrothermal process (treated by hot water) for conservation of Vit-B12
11.      Bushing: Ploughing on field after direct sowing for getting suitable no. of plants.
12.      NPK ratio for rice 120:60:60
13.      Rice uptake nitrogen in both from- Ammonia and Nitrate.
14.      NH4- Methane gas released from paddy field.
15.      Respiration in rice plant by aeren chyma cell.
16.      Nitrogen use efficiency in rice 30-40%.
17.      Nitrogen fixation by BGA in rice field 20-25 kg/ha.

18.      Hybrid rice Developed by Y.L. Ping in 1970 at china.
19.      Hybrid rice introduced in india-1994
21.      Lunishree variety is known as super rice.
20.      Super rice Developed by G.S. Khush.
22.      Khaira disease in rice caused by Zn deficiency.
23.      Zn Deficiency first reported by Y.L. Nene in 1966 at pantnagar.
24.     Zn deficiency Managed by Znso4 0.5%
25.      Khaira disease also called iron rust.
26.      Browning in rice caused by iron toxicity.
27.      Phalguna variety of rice is tolerance to iron toxicity.
28.      White eye disease in rice caused by iron deficiency.