Horticulture - Study Mode
[#651] Arka Surabhi is a variety of
Correct Answer
(B) Jasminum grandiflorum
Explanation
Solution: Arka Surabhi is a variety of Jasminum grandiflorum . This variety belongs to the species Jasminum grandiflorum (Chameli). It is released by IIHR, Bangalore. At IIHR, it is released as a clonal selection from locally grown Jasmine. It yields 10 tons of flowers/ha and 0.35% concrete. Other varieties in this species include CO.1 and CO.2 pitch released from Tamil Nadu Agricultural University, Coimbatore.
[#652] Citronella is used for
Correct Answer
(A) Flavouring the cosmetics and soaps
Explanation
Solution: Citronella is used for Flavouring cosmetics and soaps . Citronella oil is an essential oil obtained from the leaves and stems of different species of Cymbopogon (lemongrass). These chemicals find extensive use in soap, candles and incense, perfumery, cosmetic and flavouring industries throughout the world. Citronella oil is also a plant-based insect repellent and has been registered for this use in the United States since 1948. Citronella oil has strong antifungal properties.
[#653] Brinjal seedlings are transplanted at a spacing of
Correct Answer
(A) 60 × 30.45 cm
Explanation
Solution: Brinjal seedlings are transplanted at a spacing of 60 × 30.45 cm . Brinjal is a hardy crop and is cultivated under a wide range of soils. Since a long-duration crop with high yield, well-drained and fertile soil is preferred for the crop. Brinjal seeds are sown on nursery beds to raise seedlings for transplanting in the field. Raised beds are necessary to avoid the problem of water logging in heavy soils. Spacing depends upon the type of variety grown and the season of planting. Seedlings are transplanted in furrows in light soils and on side of the ridges in case of heavy soils. Pre-soaking irrigation is given 3 - 4 days before transplanting. Transplanting should preferably be done in the evening.
[#654] Vegetable of 20 th century was
Correct Answer
(C) Winged bean
Explanation
Solution: The vegetable of the 20 th century was the Winged bean. It is a tropical herbaceous legume plant. The Winged bean is nutrient-rich and all parts of the plant are edible. The leaves can be eaten like spinach, flowers can be used in salads, tubers can be eaten raw or cooked and seeds can be used in similar ways as the soybean. Each of these parts contains vitamin A, vitamin C, calcium and iron, among other nutrients. The beans are rich not only in protein but in tocopherols (antioxidants that facilitate vitamin-A utilization in the body).
[#655] Powdery mildew in cucurbits is controlled by spraying
Correct Answer
(A) Ridomil MZ
Explanation
Solution: Powdery mildew in cucurbits is controlled by spraying Ridomil MZ . Powdery mildew of cucurbits is caused by two common fungal pathogens, Podosphaera xanthii and Erysiphe cichoracearum. An effective strategy for powdery mildew management should include resistant varieties, proper cultural practices, and applications of traditional fungicides, biorational products, or biological agents. Ridomil MZ is a dry flowable containing 0.04 lb of mefenoxam used for certain diseases of cucumbers, melons, summer squash and grapes.