Horticulture - Study Mode

[#161] Major pest of potato during storage is
Correct Answer

(D) Potato tuber moth

Explanation

Solution: Potato tuber moth (P. operculella) is the major pest of potatoes during storage. Tuber moth is a cosmopolitan pest, especially in warm temperate and tropical regions where host plants are grown. On tuber, detection is very difficult without cutting open some tubers, when larvae will be apparent within the potatoes.

[#162] State with highest Acreage of Pumpkin is
Correct Answer

(D) Karnataka

Explanation

Solution: Karnataka is the state with the highest Acreage of Pumpkin. Pumpkin is a popular vegetable and it can be grown in various types of climatic conditions. When most of the farmers in the Hyderabad Karnataka region have been going through tough times owing to consecutive droughts, a few have shielded themselves from the vagaries of nature, and thus selected pumpkin cultivation. And on average, 2.590 ha th was reported to be under cultivation of pumpkin in 2017 in Karnataka.

[#163] Annual flower used as a live screen is
Correct Answer

(B) Sweet pea

Explanation

Solution: The annual flower used as a live screen is the sweet pea . Annuals are nature’s powerhouse plants, marching through a single growing season with sure and steady colour. The term "annual" when applied to herbaceous ornamentals refers to plants that are grown for only one season. Rapid-growing annual plants are suitable for large screens and hedges when trained on fences and trellises.

[#164] Roopa is an improved variety of
Correct Answer

(B) Walnut

Explanation

Solution: Roopa is an improved variety of walnuts. More than 95 percent of walnut plantations in India are of seedling origin and are being grown since ancient times. Being a cross-pollinated crop each growing plant in walnut is a different genotype. The varieties grown in India are mostly selected from indigenous materials or introduced from abroad. Roopa variety with high shelling percentage, better kernel quality, and a soft shell has been identified and thus released for cultivation.

[#165] Russet sprouting in lettuce is caused due to
Correct Answer

(A) Ethylene exposure

Explanation

Solution: Russet sprouting in lettuce is caused due to Ethylene exposure . The russet spot is caused by ethylene production and can occur in mature to over-mature lettuce, especially following anaerobic conditions in the field. Russet spotting is a physiological disorder induced in iceberg lettuce by exposure to parts per million levels of ethylene at +/-2 degrees C. Ethylene-induced phenylalanine ammonia-lyase and ionically bound peroxidase activities correlated with the development of Russet sprouting symptoms.