Horticulture - Study Mode

[#516] When is Slaughter tapping done in rubber?
Correct Answer

(D) Prior to replacing plantation

Explanation

Solution: Slaughter tapping is done in rubber before replacing the plantation. Slaughter tapping is an obsolete method of extracting large quantities of natural latex from rubber trees in a forest environment. The term slaughter tapping is used to indicate all-out bleeding of rubber trees to obtain maximum yield without regard to the health or longevity of trees. It is done one or two years before replanting or replacing the crop.

[#517] Type of parthenocarpy in sindhu variety of Mango is
Correct Answer

(A) Stenospermocarpy

Explanation

Solution: Stenospermocarpy is the type of parthenocarpy in the Sindhu variety of mangoes. Stenospermocarpy is the production of abortive incompletely developed seeds and is caused when the trees of mango are exposed to low temperatures during the flowering period, interfering with the pollination and fertilization of the fruit. Sindhu is a parthenocarpic seedless variety, that possesses a very thin stone and good quality fruit.

[#518] Onion bulbs are stored well at
Correct Answer

(A) 0° to 1°C

Explanation

Solution: Onion bulbs are stored well at 0° to 1°C . In cold storage onions are stored in the temperature range between 0° to 1°C. under this low-temperature condition onions will not respire, thus there will be the least loss of water, keeping them fresh for a long period. On top of this, between 0° and 4° Celsius, onions can be kept healthy and suitable for storage for up to 12 months.

[#519] Central Temperate Horticulture Research Institute is situated at . . . . . . . .
Correct Answer

(B) Srinagar

Explanation

Solution: Central Temperate Horticulture Research Institute is situated in Srinagar . It is a premier institute with the main campus at Srinagar and one regional station at Mukteshwar for carrying out basic strategic and applied research on major temperate horticultural crops. The institute is involved in the generation of basic information and identification of high-yielding varieties and hybrids. The institute was established to act as the national repository of germplasm and scientific information on temperate horticultural crops. A major objective of the institute is to develop eco-friendly disease/pest management techniques including mitigation of post-harvest spoilage to increase foreign exchange earnings through export and to reduce the import of items.

[#520] Best method of vegetative propagation in Aonla is
Correct Answer

(D) Patch budding

Explanation

Solution: The best method of vegetative propagation in Aonla is Patch budding . Patch budding is an easy grafting technique that can be used to either replace or add a new fruit variety to an existing tree. A budding operation is performed on one-year-old aonla rootstock. In this method, a rectangular patch of bark is removed completely from the rootstock (25 mm long and 10 - 15 mm wide) and replaced with a patch of the bark of the same size containing a bud of the desired cultivar (scion).