17 Jul Insect Pest complex of Soybean in North-East India and their Eco-friendly Management
उत्तर-पूर्व भारत में सोयाबीन की कीट-पतंग समष्टि और उनका पर्यावरण-अनुकूल प्रबंधन The soybean [Glycine max (L.) Merill] is one of the oldest cultivated crops of the world. It also is known as “Golden bean”, “Miracle crop” and “Crop of the planet” etc., because of its several uses. The first record of this crop is available in Chinese literature, where it is mentioned to be one of the five sacred grains of china. The middle and lower Yellow river valley in China has been reported to be the place of origin (Chang, 1980). Since the first century AD, this ancient domesticate became widely introduced and land races developed in China, Korea, India and other parts of Asia (Zeven and De Wet, 1982). Soybean is one of the most important crops in the world, with great economic and social value due to the fact that it is a source of protein for feed at low cost (Fortunato et al., 2007) and soybean oil is highly digestible and has almost no saturated fats. In North east India, soybean is attacked by about two dozens of insect pests among which leaf folders, Nacoleia vulgalis Guen and N. Diemenalis Guen are one of the destructive insect pests at medium altitudes of mid hills of Meghalaya (Sachan and...