Crop disease

अल्फाल्‍फा वीविल (Hypera postica Gyllenhal) के फैलने के लिए जिम्मेदार कारक का विश्लेषण   Alfalfa adult weevil   Forage production occupies a top priority by a farmer in cold arid region because long severe winter of 7-8 months is devoid of any vegetation greenery. Alfalfa (Medicago sativa L.) also called as the "Queen of fodder or Green Gold" is the most important fodder crop grown in Ladakh region owing to its well adaptability in the region. It is locally named as 'Buksukh". The crop being highly suited to the farming community, the cropping area has picked up and covered almost the entire area under fodder crops. It is a very important leguminous fodder grown as a...

खटटे फलों (नींबू) के 12 प्रमुख कीटों का प्रबंधन India ranks fifth in the production of citrus fruit in the world. Other major citrus producing countries are Spain, USA, Israel, Morocco, South Africa, Japan, Brazil, Turkey and Cuba. It occupies third position after mango and banana a in the production of fruits in India. Citrus fruits originated in the tropical and sub tropical regions of South East Asia, particularly India and China. North East India is the native place of many citrus species. In India, citrus is commercially grown in over 846 thousand ha with production of 7464 thousand MT. It is of particular interest because of its high content of vitamin C and refreshing...

फूल गोभी फसल के 6 प्रमुख कीट तथा उनका प्रबंधन  Cauliflower (Brassica oleracea L. var. botrytis) is an important winter vegetable grown in India. Bihar, Uttar Pradesh, West Bengal, Orissa, Assam, Haryana, Rajasthan and Maharastra are major cauliflower growing states. It also cultivated in non traditional areas of Tamil Nadu, Andhra Pradesh and Kerala. It is consumed as vegetable in curries, soups and pickles and low in fat and rich source of dietary fibers. In India, the major constraints for production loss are due to physiological disorders, pests and diseases. Insect pests are prime important as it cause serious economic damage cauliflower crop.  Among all, DBM and tobacco caterpillar are notorious and...

गोभी तितलियों की पारिस्थितिकी के अनुकूल प्रबंधन: भारत के पहाड़ी क्षेत्रों में कोल फसलों के सबसे विनाशकारी कीट Plants belonging to the genus Brassica (more specifically, varieties of the species Brassica oleracea) within the family Brassicaceaeor Cruciferae are referred as Cole Crops.  Due to its high nutritional value, these crops (viz., cabbage, cauliflower, knolkhol, brocolii, toria, sarson and mustard etc.) are extensively grown in various parts of the world.  It provides much needed dietary fibres, essential minerals and vitamins.  Cole crops are also the major component of human diet throughout the world.  It has been estimated that insect pest alone causes more than 40% of yield loss of vegetables annually. Among all, the large...

उत्तर पूर्वी हिमालय क्ष्‍ोत्रो में दालों के कीट पतंग व उनका प्रबंधन Insect pests inflict enormous losses to the agricultural production system. Anecdotal evidences also indicates rise in losses, despite increasing use of chemical pesticides.  At the same time, there is rising public concern about the potential adverse effect of chemical pesticides on human health, environment and biodiversity. The intensity of these negative externalities though cannot be eliminated altogether, but that could be minimized through IPM techniques. The North Eastern Hill (NEH) region of India is characterized by inaccessibility, fragility and marginality with rich biodiversity, ethnicity and societal set up.  It has wide range of agro-climatic conditions with high rainfall and low productivity....

गेहूं की फसल के खरपतवार  Wheat is an important cereal crop. The pre-dominant weeds associated with wheat crop are Anagallis arvensis (Krishananeel कृष्‍णनील), Argemone mexicana (Satyanashi सत्‍यानाशी), Asphodelus tenuifolius (Piazi प्‍याजी), Avena ludoviciana (Jangli Jai जंगली जंई), Cannabis sativa (Bhang भांग), Carthamus oxycantha (Pohli पोहली), Chenopodium album (Bathu बथुआ), Cirsium arvense (Kateli कटैहली), Convolvulus arvensis (Hirankhuri हि‍रनखुरी), Cornopus didymus (Pitpapra पीतपापडा), Euphorbia jelioscopia (Dudhi दुधी), Fumaria parviflora (Gajri गाजरी), Lathyrus aphaca (Matri मटरी), Malva parviflora (Gogisag गोगीसाग), Medicago denticulata (Maina मैना), Malilotus alba (Metha मेथा), Phalaris minor (Mandushi/Gulidanda मंडूशी), Poa annua (Poa ghas पौघास), Polygonum plebejum (Raniphul रानीफूल), Polypogon monspeliensis (Lomar ghas लोमरघास), Rumex retroflex (Jangli palak जंगली पालक), Spergula arvensis...

शुष्क फलों के प्रचलित कीट-पतंग और उनके प्रबंधन के विकल्प Remarkable increase in fruit crops cultivation under hot arid region of western India lead to drastic changes in the pest population dynamics. The fruits such as ber (Ziziphus mauritiana), date palm (Phoenix dactylifera) and bael (Aegle marmelos) are an important fruit crops grown in this area. The productivity is concern, it is low because of harsh environment (high temperature, low precipitation, high PET, high wind velocity), poor soil fertility and salinity. Beside these, the biotic pressure like pest and diseases also play a critical role, which cause significant loss and adds cost of production. Hence, in this article we discussed the...

4 Important diseases of Paddy crop 1. धान का भूरी चित्ती रोग/ पत्र लांछन (Brown Spot) धान का यह रोग देश के लगभग सभी हिस्सों मे फैलाा हुआ है, खासकर पश्चिम बंगाल, उड़ीसा, आन्ध्र प्रदेश, तमिलनाडु इत्यादि। भारत मे इस रोग पर पहली बार रिर्पोट चेन्नई के सुन्दरारमण (1919) द्वारा बनाई गई थी। उत्तर बिहार का यह प्रमुख रोग है। यह एक बीजजनित रोग है। यह रोग हेल्मिन्थो स्पोरियम औराइजी द्वारा होता है। इस रोग मे धान की फसल को बिचड़ा से लेकर दानों तक को नुकसान पहुँचाता है। इस रोग के कारण पत्तियों पर गोलाकार भूरे रंग के धब्बें बन जाते है। यह रोग फफॅूंद जनित है। पौधों की बढ़वार कम...