Important diseases of soybean, symptoms of damage and their management aspects are as follows: 1. Alternaria Leaf Spot (Alternaria tenuissima): Symptoms: Seed become small and shriveled. Dark, irregular, spreading sunken areas occur on the seed. Appearance of brown, necrotic spots with concentric rings on foliage, which form large necrotic areas. Infected leaves later in the season dry out and drop [...]
The major insect pests of soybean, their nature of damage and appropriate control measures are given below: 1. Bihar Hairy Caterpillar (Spilosoma oblique): Nature of Damage: Young larvae feed gregariously on chlorophyll mostly on the under surface of the leaves, due to which the leaves look like brownish-yellow in colour. In later stages the larvae eat the leaves from the [...]
In this article we will discuss about:- 1. Introduction to Soybean 2. Origin and History of Soybean 3. Geographic Distribution 4. Botany 5. Classification 6. Growth and Development. Contents: Introduction to Soybean Origin and History of Soybean Geographic Distribution of Soybean Botany of Soybean Plant Classification of Soybean Growth and Development of the Soybean Plant 1. Introduction to Soybean: Soybean [...]