Horticulture - Study Mode

[#1031] Ideal stage for harvesting carnations is
Correct Answer

(C) Paint brush stage

Explanation

Solution: The ideal stage for harvesting carnations is the Paint brush stage. Standard carnations should be harvested when the outer petal unfolds nearly perpendicular to the stem. Spray types are harvested when two flowers are open and the bud shows colour, Semi-open stage is Ideal for short-distance marketing. Harvesting can be delayed by covering the buds with bud nets. When the buds start showing colour, bud nets can be put covering the entire flower bud, this also enhances the bud size besides regulating the flower development.

[#1032] Tomato is a . . . . . . . . crop.
Correct Answer

(C) Warm season

Explanation

Solution: Tomato is a warm season crop. The best fruit colour and quality are obtained at a temperature range of 21 - 24°C. Temperatures above 32°C adversely affect the fruit set and development. The plants cannot withstand frost and high humidity. It requires low to medium rainfall. Bright sunshine at the time of fruit set helps to develop dark red coloured fruits. Temperature below 10°C adversely affects plant tissues thereby slowing down physiological activities.

[#1033] Triple sigmoid growth curve is seen in
Correct Answer

(C) Kiwi

Explanation

Solution: A triple sigmoid growth curve is seen in Kiwi . The growth curve has three phases of growth: (i) Lag Phase- This is the initial phase of growth where the rate of growth is very slow. (ii) Log or Exponential Phase- The rate of growth rapidly increases during this phase. (iii) Stationary Phase- The rate of growth starts decreasing and finally stops.

[#1034] Indian Institute of Horticulture was established at Bengaluru during . . . . . . . .
Correct Answer

(B) 1968

Explanation

Solution: Indian Institute of Horticulture was established in Bengaluru in 1968. The Indian Institute of Horticultural Research (IIHR) is an autonomous organization acting as a nodal agency for basic, strategic, anticipatory and applied research on various aspects of horticulture such as fruits, vegetables, ornamental, medicinal and aromatic plants and mushrooms in India. The institute has its headquarters in Bengaluru, Karnataka, India, and is a subsidiary of the Indian Council of Agricultural Research (ICAR), New Delhi, under the Ministry of Agriculture, India.

[#1035] The red colour of tomato is due to Pigment
Correct Answer

(B) Lycopene

Explanation

Solution: The red colour of tomato is due to Pigment lycopene . Lycopene is the red-colored pigment abundantly found in red-colored fruits and vegetables such as tomato, papaya, pink grapefruit, pink guava and watermelon. This red-colored pigment was first discovered in the tomato by Millardet in 1876. Fresh tomatoes contain anywhere from 0.88 - 7.74 mg lycopene/100 g wet weight.