Crop disease

08 Jul

Posted at 04:42h in Crop disease
बंशी लाल वर्मा 9,465 views

Weeds control in main kharif crops भारत की कृषि-अर्थव्यवस्था विभिन्न फसलों के उत्पादन एवं उत्पादकता पर निर्भर करती हैं। कीटों, बिमारियों तथा खरपतवारों के प्रकोप से फसलों के उत्पादन में होने वाली क्षति को बचाकर खाद्यान्नों का उत्पादन अधिक बढ़ाया जा सकता है। फसलों में सर्वाधिक हानि खरपतवारों से होती हैं। खरपतवार (weeds) अवांछित पौधे होते है जिनकी एक निष्चित स्थान व समय पर आवश्‍यकता नहीं होती है और बिना बोए अपने आप उग जाते हैं। इसके कारण खरपतवारों व फसलों के बीच पौषक तत्वों, जल, स्थान, प्रकाश आदि के लिए प्रतिस्पर्धा बढ़ जाती हैं। विभिन्न फसलों की उपज में केवल खरपतवारों के कारण होने वाली क्षति 15-70 प्रतिशत तक हैं।...

26 Jun

Posted at 09:40h in Crop disease
S. K. Behera 2 views

भारत की मृदा व फसलों में बोरोन तथा मोलिब्डेनम की कमी और उर्वरकों के प्रयोग सेे उनमे सुुुुधार   Plants require eight micronutrients for their growth and development. Out of them, Boron (B) and Molybdenum (Mo) are anionic micronutrients found to be deficient in Indian soils and crops. The essentiality of the B and Mo for higher plants was first established by K. Warington in 1923 and by D. I. Arnon and P. R. Stout in 1939 respectively. The information regarding deficiency of B and Mo in soils in India, their role in plant growth and deficiency symptoms and fertilizers containing B and Mo for amelioration is being provided for the benefit...

23 Jun

Posted at 10:31h in Crop disease
Ravindra Kumar 8 views

बासमती चावल के 10 प्रमुख रोग और उनका प्रबंधन Rice (Oryza sativa) is one of the most important food crops. It is staple food for more than half of the world’s population. India is one of the largest rice growing country with an area of around 44 m ha and production of more than 100 million tonnes. Rice is grown in almost all the states of India contributing about 42 per cent to the country’s food grain production and provides livelihood to about 70 per cent of the population. Basmati Rice, a special class of rice has contributed significantly for rice production and its export to other countries and is in...

19 Jun

Posted at 06:56h in Crop disease
Pritin Sontakke 4,331 views

उत्तर पूर्वी भारत के मेघालय में सरसों जाति‍य में फसलों कीट पतंग सम्मिश्र और उनके प्रबंधन की रणनीतियाँ  Cole crops having family brassicaceae are one of the leading commercial vegetable groups in the world. Owing to its high nutritional value, brassicaceous plants and their hybrids, including various cultivars of cabbage, broccoli and mustard, are extensively grown across the world. It provides much needed dietary fibres, essential minerals and vitamins. Cole crops are also the major component of vegetables in north eastern states of India.  About 37 insect pests species have been reported to feed on cruciferous crops (Lal, 1975). Amongst all, diamondback moth, P. xylostella, webworm (Hellula undalis Fab.), cabbage butterflies (Pieris brassicae...

26 May

Posted at 04:24h in Crop disease
Rajita 1 view

गेहूं फसल का स्पॉट ब्लॉच रोग: एक उभरती हुई समस्या Wheat is the most widely grown and consumed food crop of the world. It is estimated that to maintain self-sufficiency in the availability of wheat in India, annual production of wheat should increase by 2 percent annually. Recent climate changes have aggravated the disease scenario in India which leads to increase in the incidence of Helminthosporium leaf blight of wheat i.e. spot blotch caused by the Bipolaris sorokiniana. In India, foliar blight is considered to be a complex issue due to presence of Alternaria sp. and Bipolaris sorokiniana in blighted leaf samples which make it difficult to identify the cause of...

08 May

Posted at 09:27h in Crop disease
राजीव कुमार 0 views

Measures to manage termites in the farm किसान फसलें उगाने के लिए कड़ी मेहनत करते हैं लेकिन तमाम तरह के कीट , फसलों को चट कर जाते हैं। वैज्ञानिक विधि अपनाकर कीटनाशकों के बिना ही इनका नियंत्रण किया जा सकता है। इससे कीटनाशकों पर किसानों का खर्च घटेगा। मिटट्ी में पनपने वाले कीट जैसे दीमक आदि फसलों को भारी   हैं। इन कीटों से फसलों को सुरक्षित रखने के लिए भी कीटनाशकों पर किसानों को काफी खर्च करना पड़ता है। फसलें और कीट नियंत्रण के लिए वैज्ञनिक विधि अपनाकर किसान कीट नियंत्रण ज्यादा प्रभावी तरीके से कर सकते हैं।  कीटों का फसलों पर असर : दीमक पोलीफेगस कीट होता है ,यह सभी फसलो को बर्बाद करता...

25 Apr

Posted at 05:02h in Crop disease
Ranjana Das 5,105 views

मुगा रेशम उत्पादकता में सुधार के लिए मुगा रेशम कीट के मेजबान पौधे (सोम) मे रोग व कीट प्रबंधन Sericulture is a viable cottage industry catering to the economically small and marginal families and hence this enterprise is well. accepted as an instrument for rural development. India has the unique distinction of being the only country in the world producing all the four varieties of natural silk viz. mulberry, tasar, eri and muga on a commercial scale. Among them, Antheraea assamensis, (Helfer) bears special significance for production of golden yellow muga silk which is endemic to North East India.  The muga silkworm is a multivoltine and polyphagous insect. Som (Persaea bombycina Kost) and Soalu...

22 Apr

Posted at 10:30h in Crop disease
Guru Pirasanna Pandi G 7,251 views

संग्रहित अनाज के कीट-पतंग तथा उनका प्रबंधन Global loss in stored products, caused by insects, have been estimated to be between five and ten percent. In the tropics it may reach upto 30%. Insects not only cause direct loss through consumption of kernels but also indirect losses which includes accumulation of frass, exuviae, webbing and insect cadavers. High levels of this insect detritus may result in grain that is unfit for human consumption. Storage insect pests are categorized into two types viz., 1. Primary storage pests Primary storage pests are those capable of penetrating and infesting intact kernels of grain, and have immature stages that can readily develop within a kernel of grain.  Insect Family...

22 Apr

Posted at 09:49h in Crop disease
Shantamma 10,843 views

आम की फसल के 6 प्रमुख रोग व उनका प्रबंधन। Mango (Mangifera indica) is the national fruit of India, where it is known as the 'King of Fruits'. Not only is it one of the most highly prized fruits of South Asia, it is also intimately connected with folklore and legends across many religions. The mango is believed to have been discovered as long as five to six thousand years in eastern India,Thailand, Myanmar, the Andaman Islands or Malaysia. No matter its colouring or variety, a ripe, medium size mango provides carbohydrates, fiber, vitamins A, B1, B6 and C, sodium, calcium, magnesium, zinc, copper, manganese, iron, phosphorus, potassium, pantothenic acid, and niacin. 1.  Anthracnose...

16 Apr

Posted at 10:02h in Crop disease
Shantamma 43 views

अनार की फसल के प्रमुख रोग तथा उनके नि‍दान के तरीके The pomegranate Punica granatum L. belongs to the family Punicaceae. Pomegranate is cultivated in home gardens especially as a medicinal plant and as a fruit tree. There is no other fruit crop that has high medicinal value compared to that in pomegranate. One of the oldest known fruits found in writings and artefacts of many cultures and religions. Pomegranate is an original native of Persia. This nutrient dense, antioxidant rich fruit has been revered as a symbol of health, fertility and eternal life. 1. Alternaria fruit spot: Alternaria alternata Symptoms: Small reddish brown circular spots appear on the fruits. As the disease advances these spots, coalesce...