Pests of crops are a significant challenge in agricultural production, causing immense damage to crops and posing a threat to food security. Understanding the concept of pests is vital in effective crop protection strategies. Pests are defined as organisms that cause harm to crops, leading to reduced yield and quality.
These can be classified into insect-pests and non-insect pests based on their characteristics and feeding habits. Insect-pests are further categorized based on their mouthparts, including biting and chewing, piercing and sucking, and boring types. Each category plays a specific role in damaging crops. For example, stem borers, army worms, and ear worms are common insect-pests affecting cereals like maize and wheat. They have distinct life cycles, economic impacts, and modes of damage, making them crucial targets for preventive and control measures. Moreover, legumes, beverages, tubers, fibre crops, fruits, and vegetables also face infestations from various insect-pests such as pod borers, aphids, grasshoppers, and leaf beetles.
Understanding the nature of damage caused by these pests is essential in implementing appropriate control strategies to mitigate their impact on crop production. Additionally, stored produce like grains and beans are vulnerable to pests like weevils and beetles, emphasizing the need for post-harvest pest management techniques. Non-insect pests, including birds and rodents, also contribute to crop damage, especially in the field and during storage. Their presence poses a significant challenge to farmers, requiring innovative approaches to deter their harmful effects on crops. Considering the side effects of pest control methods is crucial in sustainable agriculture practices.
Chemical control methods may lead to pollution and poisoning risks, affecting the environment and human health. Biological and cultural control measures can disrupt the ecosystem balance if not implemented thoughtfully. Understanding the economic importance of pests in agriculture is essential for farmers to appreciate the significance of pest management practices. Pests can lead to substantial yield losses, affecting food availability and market prices.
By identifying, classifying, and implementing preventive and control measures against pests, farmers can safeguard their crops and optimize agricultural productivity. Ultimately, a comprehensive understanding of pests and diseases is fundamental in ensuring sustainable crop production and food security. [[[Include a diagram here showing the classification of insect-pests based on mouthparts]]]
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Pest and Disease Management in Agriculture
Ondertitel
A Comprehensive Guide
Uitgever
Agricultural Publications Ltd
Jaar
2015
ISBN
978-1-85963-209-6
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Integrated Pest Management: Concepts, Tactics, Strategies and Case Studies
Ondertitel
2nd Edition
Uitgever
Springer
Jaar
2017
ISBN
978-3-319-69642-1
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Benieuwd hoe eerdere vragen over dit onderwerp eruitzien? Hier zijn een aantal vragen over Pests Of Crops van voorgaande jaren.
Vraag 1 Verslag
TEST OF PRACTICAL KNOWLEDGE QUESTION
(a)(i) Name the toxic substance found in specimen G (FRESH CASSAVA TUBER).
(ii) Suggest four ways of removing the toxic substance named in (a)(i).
(b) State two uses each of specimens I (ONION BULBS) and J (PEPPER FRUITS).
(c) List four pests of specimen I.
(d) Name two groups of crops to which specimens I and J belong based on their uses.