Abstract
The current study is the reviews of the work done for pest infestation in different legume pulse grains Pulse grains have been found to have different susceptibility for the attack of pulse beetle. An insect has varied fecundity on different varieties of pulses. India is agriculture based country and agriculture is the key sector of Indian economy. Including many kharif and rabbi crops, pulses are cultivated in all parts of country. Pulse cultivation has its own significant place in agriculture as it has been considered as complimentary to cereal crop in many aspects and positioned as a second most important crop plant [1].Study indicates 20-40% of dry matter of pulse grains is made up of beneficial dietary proteins [2]. Insufficiency of adequate amount of protein in diet may lead to protein energy malnutrition. Like poverty and hunger, to combat PEM is another great provocation for agriculture and nation. Pulse grains legumes are good source of protein and other nutrient materials. Crop plant of Arhar has its own advantage for agriculture. The leguminous plants are used in crop rotation to improve the fertility of soil as the root nodules harbor the nitrogen fixing bacteria; fixes atmospheric nitrogen to nitrogen compound about 72-350 kg/hectare/year . The current study emphasizes the different facts of pulse beetle and their infestation in arhar seed grains. About eight months of the year have been found to be susceptible for infestation; remarkable growth and development of pests continue during six months of the year. Arhar pulse grains are most suitable for pest infestation. Bold variety of arhar was identified to be the most preferred for maximum oviposition having larger and smooth surface area. Temperature suitable for oviposition was noticed between 28-370c. Developmental period was found to be of lesser duration and survival of adults was more in bold varieties as compared to the smaller variety. Developmental period was recorded as 24-30.3 days in bold legume grains and 26-32.3 days in smaller size grains. Survival of male and female insect pest was also different as male survived for 7-10.6 days and females for 8.3-12.6 days. Increased growth rate of insect population was there with the increase in temperature and humidity. Significant Weight loss, content loss and percent germination loss have been found in the pulse grains of both varieties in the current studies. Indian economy relies significantly on agriculture and loss and damage of complementary crop plant certainly affect it. At this point there is need to consider the condition of Mass poverty of India after pandemic covid -19 which has been ascertained after more than 45 years The outcome of pandemic recession is more than 2 fold increase in the number of poor from 60 million in a year to 134 million (Reports of downtoearth.org.in). Furthermore any rise in price would snatch the accessibility of the easily available protein diet from people living in indigence.
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