Questions

Answer

Oryza glaberrima is grown only in

 West Africa

The grain or caryoposis is tightly enclosed by lema & palea that is collectively known as

Hull

Soil best suitable for paddy cultivation is

Clay & clay loam

Average temperature required for paddy cultivation is

21-37 degree C

First dwarf variety of rice developed in world

TN-1

Country where TN-1 variety was developed

Taiwan in 1964-65

First high yielding dwarf variety of rice is

IR-8 (Peta×Dee-gee-woo-gen

IR-8, first photo insensitive variety was released by

International Rice Institute in 1966                  

What is the literal meaning of Dee-gee-woo-gen

Brown tipped short legged

Blast resistant variety of rice

Tulsi, IR-64

Deep water rice varieties are

Punkaj, Jagannat

Varieties suitable for saline-alkaline soil

CSR-10

CSR-13

CSR-27

Variety of paddy has no seed dormancy

IR-50

First intervarietal cross variety of rice is

Jaya (TN1×T141)

World’s first high yielding dwarf variety developed by IARI?

Pusa Basmati

Name the gas emitted from rice field

CH4 (Methane)

Name the crop which prefer Ammonical form of N?

Rice

Name the most widely used nitrogenous fertilizer of rice

Ammonium sulphate

Name the nitrogen fixing bacterium found on the root surface of rice

Azospirillum

Name the best fertilizer for top dressing in rice

Ammonium sulphate

Nitrogen use efficiency in rice is

30-40%

What is the polish % of rice

2%

What is the hulling% of rice

70-75%

What is the isolation distance for rice

3m

Dapog method of paddy cultivation developed in

Philippines

What is the best system of rice culture is

Transplanting

Aroma of rice is due to

Di-acetyl 1 propaline chemical

White eye of paddy is due to

Fe deficiency

Tip burn of rice

Oxygen deficiency and excess of Zinc

‘Blast’ or ‘Rich man’s disease’ in paddy caused by

Pyricularia oryzae

‘Bacterial leaf blight’ is caused by bacteria

Xanthomonas oryzae

Disease that caused Bengal famine is caused by

Heliminthosporium oryzae

‘Grassy stunt’ a viral disease of rice spread by

Brown plant hopper

‘Tungro’ a viral disease of rice is spread by

Green leaf hopper

‘Gundhi Bug’ attack on rice crop at______stage & suck juice

Milky stage

Pest of rice causes ‘Silver Shoot & Onion Leaves’ symptoms on plant

Gall midge

The most dominated weed species of paddy is

Echinochloa spp.

Serious pest of rice

Yellow stem borer (Scirophophage incertulas)

Largest exporter of rice in the world?

Thailand

Name the pest causes severe damage to rice panicle at night

Army worm (Mythimna saparata)

4 Comments

ATUL DHAKAD

Apr 27, 2021 12:04 am

Jagnnath,sattavri ,prabhavati is a mutant variety of rice. First mutant variety- jagnnath For deep water rice variety= jalmagn, madhukar, chakiya-59 ,jalpriya Hybried rice variety= MGR-1 , APRH-1, KRH -1,.

ATUL DHAKAD

Apr 27, 2021 12:04 am

Jagnnath,sattavri ,prabhavati is a mutant variety of rice. First mutant variety- jagnnath For deep water rice variety= jalmagn, madhukar, chakiya-59 ,jalpriya Hybried rice variety= MGR-1 , APRH-1, KRH -1,.

ATUL DHAKAD

Apr 27, 2021 12:04 am

Jagnnath,sattavri ,prabhavati is a mutant variety of rice. First mutant variety- jagnnath For deep water rice variety= jalmagn, madhukar, chakiya-59 ,jalpriya Hybried rice variety= MGR-1 , APRH-1, KRH -1,.

ATUL DHAKAD

Apr 27, 2021 12:15 am

Oryza glaberrima is grown only= south africa * Hulling percentage of rice= 66% * Milling percentage of rice= 55%.

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