Serious insect of onion

Cold arid zone of India lies in the high altitude ranges of north-western Himalayas in the northern most latitudes of the country covering Ladakh province of Jammu and Kashmir and Lahul-Spiti Division of Himachal Pradesh. Ladakh and Lahul-Spiti are well known by the name of cold desert region of India where agriculture season is short only for the summer months of April to September. Most of the insecticides tested under in-vivo conditions were found effective against Delia antique (Onion Maggot) which is serious insect of onion, garlic and other bulbous plants in cold arid region Ladakh.

4p caygaocaolon2 14-03-2020 9 0   Download

Weed is a plant growing where it is not desired so weeds are ubiquitous. The vegetable fields are usually infested by a wide spectrum of broad and grassy weeds. Weeds compete with the crops for water, soil, nutrients, light, space and crop yields are significantly reduced as reported by several studies. The vegetable as well as agricultural crops are infested with a variety of weeds. Out of over 800 weeds documented in India, 80 are considered as serious and nearly 200 as major weeds. They also harbour many insect-pests and microorganisms.

18p trinhthamhodang3 12-02-2020 26 0   Download