Agriculture Knowledge for Everyone
Submit Article Contact Us
KrishiSewa - Agriculture Knowledge for Indian Farmers

pests Tag

09 Dec

Posted at 07:28h in Crop disease
सीताराम देवांगन 15 views

Grow pest attracting plants and protect your crops from harmful pests  फसल उत्पादन को प्रभावित करने वाले कारकों में कीटों की भूमिका अहम रहती है। विभिन्न प्रकार के कीट जैसे-माहो, थ्रिप्स, लीफ हापर आदि अपने मुख के विभिन्न भागों से फसलों , फलों, सब्जियों एवं खाघानों को चूसकर, कुतर कर, खाकर एवं उसमें घुसकर हानिकारक पदार्थ छोडतें है, जिससे फसल तो खराब होती ही है साथ ही उसकी गुणवत्ता व बाजार मूल्य कम हो जाती है और किसानों को आर्थिक नुकसान उठाना पडता है। कीट आकर्षित करने वाली फसलें, कीटों के आक्रमण को कीटनाशी केे प्रयोग के बि‍ना रोककर, किसानों की आय को लगभग 10-30 प्रतिशत तक बढा सकती है। कीट आकर्षित फसलें विभिन्न प्रकार के कीटों द्वारा विभिन्न फसल पद्धिति को बचाने की एक रणनीति है। कीट आकर्षित फसलें एक प्रकार की रक्षक फसलें हैं जो कि एक महत्वपूर्ण अवधि के दौरान कीटों कों अपनी ओर आकर्षित कर मुख्य फसल को विभिन्न प्रकार के कीटों या अन्य जीव जैसे निमेटोड के प्रकोप से बचाने के लिये उगाई जाती हैं। रक्षक फसलें या तो मुख्य फसल के बीच मे अंर्तवर्तीय के रूप मे या मुख्य फसल के चारो ओर बार्डर फसल या मुख्य फसल से पहले या बाद मे लगाई जाती है। ये फसलें मुख्य फसल की कुल/परिवार या उससे भिन्न कुल की हो सकती है। कीट...

09 Dec

Posted at 05:19h in Crop disease
Harjindra Singh 14 views

रसायनों के बगैर दीमक का नि‍यंत्रण ।    Termites are a group of insects ( Isoptera) consisting of 2,750 species. 300 are  considered as pests. Termites can cause considerable problems in agriculture, forestry and housing. There are several families and sub-families. There are different types of termites; dry-wood, subterranean, soil feeding mound-building, surface foraging etc.    The termite that is most troublesome in agriculture where they will eat live plant material, seedlings, crops, fencing poles and building structures like grain stores. Termites usually attack those plants that are in a stress situation. Plants that are weak, wilting or damaged in combination with little soil organic matter content. Despite the negative impact termites have, they are very beneficial to the ecosystem.   They improve the soil fertility by decomposing organic matter and aeration of the soil. Termites moulds, rich in minerals and crushed down and incorporated into the soil improve soil fertility.   Moulds provide minerals for cattle. Termites provide a shelter and food to associated organisms. Termites are an important food source for ants, guinea fowl and other mammals including humans. Ninety percent of termite species are considered highly beneficial. The most important termite pest genera in Africa include 9 different species which generally differ in biology and mode of attack.   Macrotermes bellicosus is an African mound building termite and move out...

12 Sep

Posted at 10:21h in Crop disease
B. L. Jat 19 views

कपास फसल में कीट और पतंगो का प्रबंधन Cotton, the commercial crop is the backbone of the textile industry as it employs vast majority of population directly or indirectly and earns the foreign exchange too.The insect pests spectrum of cotton is quite complex and as many as 1326 species of insect pests have been listed on this crop throughout the world. However, main losses in cotton production are due to its susceptibility to about 162 species of insect pests. Among these, the bollworms viz., American bollworm, Helicoverpa armigera, (Hubner), spotted bollworm, Earias vittella (Fabricius), spiny bollworm, Earias insulana (Biosdual), pink bollworm, Pectinophora gossypiella (Saunders), pose greater threat to cotton production.Besides these, a complex of sucking pests viz., green leaf hopper, Amrasca biguttula biguttula (Ishida), thrips, Thrips tabaci (Linnman), aphids, Aphis gossypii (Glover), whitefly, Bemisia tabaci (Gennadius), red cotton bug, Dysdercus koenigii (Fabricius) and dusky cotton bug, Oxycaranu shayalinipennis (Costa) occupy major pest status and contribute to lower yields. 1. Fruit and Boll Feeders of Cotton crop American boll worm (Helicoverpa armigera)  Identification & Monitoring: This is a major pest and active from July-October and February-April. The adult moth is stout, yellowish brown with a dark speck area on the forewings, which have grayish wavy lines and a black kidney shaped mark whereas the hind wings are whitish...