Crop disease

24 Sep

Posted at 09:03h in Crop disease
6,346 views

तंबाकू की फसल में कीट पतंगों का प्रबंधन कैसे करें।  Tobacco is the most important cash crop in world’s agriculture and tobacco is cultivated in more than 100 countries on 4.2 million hectares. The genus Nicotiana embraces over 66 species only two species viz., Nicotiana tabacum L. and Nicotiana rustica L. are grown commercially in the world. India stands second in tobacco cultivation, production and exports in the world.  In India, tobacco crop directly or indirectly supports 36 million people through production, processing, marketing and exports. Tobacco is not only harmful but has many uses: Alternate uses of tobacco:- Provide pesticides (Nicotine Sulphate and Tobacco dust) Pharmaceutical products for treatment of Alzheimer’s disease,  Parkinson’s disease, Attention Deficit...

12 Sep

Posted at 04:43h in Crop disease
रश्मि गौरहा 11 views

Plant nutrient deficiency symptoms and control पौधे की बढवार एवं विकास के लिये सभी पोषक तत्‍व महत्‍वपूर्ण होते है,  जिनकी कमी को किसी अन्‍य तत्‍वों द्वारा पूरा नहीं किया जा सकता है। पौधों में पोषक तत्‍वों की कमी से जो रोग होते है उन्‍हें असंक्रमित रोगो की श्रेणी में रखा गया है। यह रोग कई कारणों से उत्‍पन्‍न हो सकते है जैसे: पर्यावरणीय बदलाव, मिटटी की संरचना एवं स्थिति आदि अत: इन्‍हे फिजियोलाजिकल डिसआर्डर कहा जाता है। पोषक तत्‍वों की कमी के लक्ष्‍ण एवं उनका निदान निम्‍नलिखित प्रकार से किया जा सकता है। 1.  आलू का ब्‍लेक हर्ट- लक्ष्‍ण - * यह बि‍मारी तभी होती है जब आलू का भंडारण किसी ऐसे कमरे या जगह...

30 Aug

Posted at 05:33h in Crop disease
रश्मि गौरहा 10 views

5 important diseases of groundnut. मूंगफली तिलहनी फसलों के रुप में ली जाने वाली प्रमुख फसल है। मूंगफली की खेती मुख्य रुप से रेतीली एवं कछारी भूमियों में सफलता पूर्वक की जाती है। मूंगफली के दानों से 40-45% तेल प्राप्त होता है जो कि प्रोटिन का मुख्य स्त्रोत है। मूंगफली की फल्लियों का प्रयोग वनस्पति तेल एवं खलियों आदि के रुप में भी किया जाता है। मूंगफली का प्रचुर उत्पादन प्राप्त हो इसके लिये पौध रोग प्रबंधन की उचित आवश्यकता महसूस होती है। पौध रोग की पहचान एवं प्रबंधन इस दिशा में महत्वपूर्ण प्रयास है। मूंगफली के प्रमुख रोग एवं रोग जनक: क्र. रोग रोग जनक 1 टिक्का या पर्ण चित्ती रोग सर्कोस्पोरा अराचिडीकोला/ सर्कोस्पोरा परसोनाटा 2 रस्ट अथवा गेरूआ रोग पक्सिनिया अरॉचिडिस 3 स्टेम रॉट एस्क्लेरोसियम रोल्फ्साइ 4 बड नेक्रोसिस बड़...

24 Aug

Posted at 08:55h in Crop disease
7,282 views

केले की पनामा वि‍ल्‍ट बीमारी तथा उसका का प्रबंधन  Banana and plantain (Musa sp.) are widely grown in India with great socio- economic significance, interwoven in the cultural heritage of the country. It is fourth important food crop in terms of gross value exceeded only by paddy, wheat and milk products. It is also a dessert fruit for millions apart from a staple food owing to its rich and easily digestible carbohydrates with a calorific value of 67-137 /100g fruit. India is the largest producer of banana in the world. In India, banana contributes to 37.30 % of the total fruit production.   Tripura is a small grower of banana in the...

21 Aug

Posted at 10:26h in Crop disease
Mahaveer Singh Bachaya, Parsant Chauhan and Manoj Kumar Jat* 11 views

स्यूडोमोनास फल्‍योरेसेन्‍स की फफूंद रोगाणुओं केे जैव नियंत्रण की क्षमता। Plant diseases cause 13 - 20 % losses in crop production worldwide. Control of plant disease by chemical can be spectacular but the accumulation of harmful chemical residue sometimes causes serious ecological problems. Biocontrol agents are economical, suppress the inoculum load of the target pathogen, long lasting and free from residual side effect. Fungi in the genus Trichoderma and Bacteria in the genera of Pseudomonas and Bacillus are increasing interest as bioprotectants against plant diseases. Biocontrol agents in general and Pseudomonas fluorescens in particularhave gained importance as a component of Integrated Pest Management for sustainable agriculture (Mukhopadhyay, 1987).  Pseudomonas fluorescens belong...

21 Aug

Posted at 08:40h in Crop disease
6,468 views

गुलाब की खेती के 4 प्रमुख रोग व उनका नि‍दान Flowers are used for various purposes in our day to day life like worshipping, religious and social functions, wedding, interior decoration and self adornment. India rank 5th in area (1,61,000 ha), 4th in production (8,70,000 mt) and 3rd in productivity (5.4 mt/ha) and in Gujarat total loose flower production was 6% and total cut flower production was almost 12% in the year 2007-08. Ornamental flowers are also used for marketing in local, distant market and export of cut flowers, loose flowers and its products used in scent, oil and medicines. The ornamental plant industry has many unique features which make them...

17 Aug

Posted at 08:47h in Crop disease
8,586 views

गैंद की खेती मे लगने वाले प्रमुख रोग व कीट पतंग Marigold is relatively free from diseases and insect pests. However, occasionally the following diseases and insect-pests have been observed. Diseases/ Pests Symptoms and damage Managements Damping off Rhizoctonia solani Brown necrotic spots and girdling on the radicle, later on extends to plumule and causes pre-emergence mortality. Infected seedlings are pulled, sterilization of soil with Formalin@ 2% or Captan 2g/ litre of water. Leaf spot and blight Alternaria sp., Septoria sp., Cercospora sp. The minute brown circular and brownish-grey spots appear on the leaves. Spraying fungicides regularly. Collar and root rot Pellicularia filamentosa, Pythium ultimum, Sclerotinia slerotiarum Rotting of root and collar portions is noticed in nursery stage which resulting in wilting of the plant. Soil...

16 Aug

Posted at 09:44h in Crop disease
12 views

अदरक की फसल केे प्रमुख रोग राईजोम रोट का प्रबंधन कैसे करें।  Ginger is one of the most promising spice crop grown in North Eastern States particularly in the state of Arunachal Pradesh, Meghalaya, Mizoram, Nagaland etc. It is estimated that 50% of the national production ginger comes from the North Eastern States. India one of the leading producer and exporter of ginger in the world. India’s production of ginger constitutes about 50% of the total world’s production of ginger. Rhizome or soft rot is one of the most devastating diseases of ginger causing heavy yield loss, wherever this crop is grown. Due to this disease more than 50% yield loss...