Horticulture - Study Mode

[#726] Polyembryony in case of mango is seen in which of the following cultivars?
Correct Answer

(B) Vellaicolumban

Explanation

Solution: Polyembryony in the case of mango is seen in Vellai Columban from the following cultivars. The phenomenon of polyembryony, characterized by the formation of more than one embryo in the seed, is known to occur in several mango varieties growing under different conditions of climate and soil. Vellai Columban cultivar of mango is tetraploid (2n = 4x = 80) which is a polyembryonic type.

[#727] Inflorescence of onion is called
Correct Answer

(A) Umbel

Explanation

Solution: The inflorescence of onion is called Umbel . An umbel is an inflorescence that consists of several short flower stalks (called pedicels) that spread from a common point, somewhat like umbrella ribs. The word was coined in botanical usage in the 1590s, from Latin umbella "parasol, sunshade". The inflorescence in onion is umbel, in which the outside flowers bloom first and flowering progress to the inside. Some species produce bulbils within the umbels, and in some species, such as Allium paradoxum, the bulbils replace some or all the flowers.

[#728] Plants preferred for xeriscaping are
Correct Answer

(A) Cacti

Explanation

Solution: Plants preferred for xeriscaping are cacti. The term “xeriscape” comes from the Greek root word “xeros”, meaning dry. Xeriscaping is the process of landscaping or gardening, that reduces or eliminates the need for irrigation . It is promoted in regions that do not have accessible, plentiful, or reliable supplies of fresh water and has gained acceptance in other regions as access to irrigation water has become limited, though it is not limited to such climates. This method of low-water or no-water landscaping is used to reduce the need for irrigation. Cactus grows on rocky hillsides in its native habitat, Turk's cap cactus will grow well both on slopes and in rock gardens, as well as in xeriscapes with native shrubs, perennials and wildflowers.

[#729] Most acidic citrus fruit is
Correct Answer

(A) Citrus megalaxycarpa

Explanation

Solution: The most acidic citrus fruit is Citrus megalaxycarpa. Citrus has had a significant role in dietary and medicinal purposes from time immemorial and is widely acknowledged for its therapeutic properties. Citric acid is found naturally in citrus fruits, especially lemons and limes. Citrus megaloxycarpa Lush. is a little-known sibling of the genus Citrus and family Rutaceae with an unknown origin. Large, vigorous, open-growing trees. Leaves are large, citron-like in appearance. Fruits look like medium to medium/large citron. Rind yellow, rough, medium thick.

[#730] Ideal storage temperature for Anthuriums is
Correct Answer

(D) 13°C

Explanation

Solution: The ideal storage temperature for Anthuriums is 13°C . All species of anthurium are native tropical plants, and mimicking those conditions will give you the best chances for success. This plant prefers high humidity. Anthurium is stored in water at 13°C for 3 - 5 weeks. Flowers are very sensitive to low temperatures. Storage below 13°C causes darkening of the spathe. Red-coloured cultivars are more susceptible to chilling injury.