Horticulture - Study Mode

[#961] NRC of Orchids is located in
Correct Answer

(C) Sikkim

Explanation

Solution: NRC of Orchids is located in Sikkim . The National Research Centre for Orchids was established on 5 th October 1996 by the Indian Council of Agricultural Research (ICAR), New Delhi to organize a program on improvement in productivity, quality and commercialization of orchids. The basic objective for setting up this centre was to provide research support to the upcoming orchid industry and conserve and use orchid genetic resources available in the country.

[#962] Optimum seed rate for turnip is (kg/ha)
Correct Answer

(A) 3 - 4

Explanation

Solution: Optimum seed rate for turnip is 3 - 4 (kg/ha). Seeds are sown directly in the main field. The seeds are sown thinly at 1 - 1.5 cm deep in drills 10 - 15 cm apart. Seed rate is the quantity of seed of a crop that is required to sow a unit area of land for optimum crop production.

[#963] Samrat is a cultivar of
Correct Answer

(B) Sweet potato

Explanation

Solution: Samrat is a cultivar of Sweet potato . Selection is from the open-pollinated seedling progeny. Tubers are fusiform with light pink skin and white flesh. These are early maturing varieties with a tuber yield of 18 - 24 t/ha. It is moderately resistant to sweet potato weevil.

[#964] Best root stock for citrus in south India is
Correct Answer

(C) Rangpur lime

Explanation

Solution: The best rootstock for citrus in south India is Rangpur lime . It is the most utilized rootstock in Sao Paulo due to its heavy and early bearing and drought resistance. It is resistant to Tristeza but susceptible to Blight and Sudden Death. In areas of high disease incidence, Rangpur lime has been replaced or used in conjunction with a second rootstock on the same plants.

[#965] Redness in apple is due to
Correct Answer

(A) Anthocyanin

Explanation

Solution: Redness in the apple is due to Anthocyanin . Anthocyanins are coloured water-soluble pigments belonging to the phenolic group. The pigments are in glycosylated forms. Anthocyanins responsible for the colours, red, purple and blue, are in fruits and vegetables. Berries, currants, grapes, apples and some tropical fruits have high anthocyanin content. One of the most common anthocyanin pigments is cyanidin, which, in the form of cyanidin 3-O-galactoside, is the pigment primarily responsible for red colouration in apple skin.