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Start learning 50% faster. Sign in nowOccasional pests, a close association with a particular crop is absent and they occur infrequently. Eg: Rice case worm. Persistent pests: Occur on a crop almost throughout the year. Eg: thrips on chilies. Sporadic pests: Occur on a few isolated localities. Eg: coconut slug caterpillar. Epidemic pest: Occur in a severe form in a region or locality at a particular season or time only. Eg: Rice hispa. Endemic pest: Occur regularly and confined mostly to a particular area or locality. Eg: Red hairy caterpillar in groundnut.
The membrane enclosing cytoplasm of a cell which is composed of lipids and phosphates is ……………………………….
...Nipping – the removal of apical bud of young plants, is done in which crop?
What does the term "Instrumental Conditioning" refer to?
In rice, maintenance of __ cm water depth is required in transplanting
Aves belongs to the phylum Chordata of the animal kingdom, which is characterized by the presence of a notochord. Which of the following birds is an exa...
Who is the founder of Zero Budget Natural Farming?
If there is provision for only one irrigation, then at which stage in wheat the farmer should irrigate the crop?
Which of the following is an example of 1:1 type of clay mineral ?
During which period, the growth rate is maximum and reaches the top because at this stage the cell division and physiological processes are quite fast?
The essential amino acid in short supply in cereals is:
