Resource Book on Horticulture Nursery Management

Unit 4: Plant Protections in Nursery
Index
4.1 Introduction
4.2 Content
4.2.1 Pest Management in Nursery
4.2.2 Disease Management in Nursery
4.2.3 Weeds and Weed Management in Nursery
4.2.4 Bio-pesticide Application in Nursery
4.2.5 Integrated Pest Management in Nursery
4.3 Glossary
4.4 Point to Remember
4.5 Self Check Questions
4.6 Do It Yourself
4.1 Introduction
The need to produce more food to feed the increasing population will continue. The
systems and technologies that are being used now may have to be modified and new
technologies adopted in order to ensure that this goal can be achieved. Pests are a major
bottleneck in attaining this goal. Pesticides will continue to play an important role in
protecting the crops from pests in the foreseeable future, as there are no practical
alternatives at the moment. However, of late there have been many encouraging
developments that give hope for the future.
The old concept of 'immediate kill' or 'kill all' chemicals will have to give way to the
concept of chemicals that are less hazardous to natural enemies of pests like parasites and
predators and keep pests at manageable levels.
At the end of this unit, you will be able to know and understand:
� Define and identify the Pest, Disease, Weeds in a Nursery.
� Enlist the various methods of control of the diseases, pests and weeds.
� Describe the Integrated Pest Management in a Horticulture Nursery.
4.2 Content
4.2.1 Pest Management in Nursery
If you ever visit a garden or crop field you will come across cuttings on leaf
margins, holes in leaves, chewed and damaged parts of plants, spots on leaves etc. They
are due to the attack of various organisms which are known as pests. A pest is any
organism, animal, plant or microorganism that causes damage to the plants, animals or
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