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Crop disease

14 Jan

Posted at 10:22h in Crop disease
Gaurao Manoharrao Kurhade 15 views

बैंगन फसल के 9 प्रमुख रोग और उनके नियंत्रण के वि‍धि‍यां Eggplant crops are affected by a variety of harmful diseases. If it is not controlled in time, then its market price declines and farmer may face excessive monetary loss. Therefore, the major diseases of brinjal should be identified and timely treatment is necessary. 1. Damping Off (Pythium spp., Phytophthora spp., Rhizoctonia spp.):  The disease causes severe damage in the nursery. High soil, moisture and moderate temperature along with high humidity especially in the rainy season leads to the development of the disease. Two types of symptoms are observed: Pre-emergence damping-off: The pre-emergence damping off results in seed and seedling rot before these emerge out of...

11 Jan

Posted at 09:02h in Crop disease
Sangeetha 14 views

आम के बौर (फूल) के रोग और उनका प्रबंधन Mango production is seriously hampered by many diseases particularly in recent days. About 140 disease-causing pathogens are known to inflict damage to mango crop at various stages of its production. Among them, diseases on inflorescences or blossoms, if unchecked, take heavy toll on yield of mango. Powdery mildew and blossom blight or anthracnose are the most notorious diseases infecting mango in India at the time of flowering and fruit set. Powdery mildew of Mango blossoms Powdery mildew affecting  mango inflorescence is characterised by greyish white or whitish colour talc like haze and it may cover the inflorescence partially or entirely, leading to reduced fruit set...

21 Dec

Posted at 09:06h in Crop disease
विधा भाटी 11 views

Bayod disease of date palm and its management.  बायोड अरबी भाषा के शब्द ’अबीआध’ से बना है जिसका अर्थ होता है- ’खजूर की अपुष्प-पर्ण (Fronds) का सफेद होना। 1870 में इस रोग की सूचना सबसे पहले जगोरा-मोरक्को में मिली थी। 1940 तक, यह रोग व्यावहारिक रूप से सभी मोरक्को ताड़ पेड़ों के साथ-साथ पश्चिमी और मध्य अल्जीरिया सहारा के क्षेत्रों में होने लगा था। बायोड रोग ने जब अपना मारक महामारी रूप प्रस्तुत किया था, तब इससे बहुत तबाही मची थी। बायोड रोग ने एक सदी में बारह लाख से अधिक मोरक्को में और तीन लाख से अधिक अल्जीरिया में खजूर के पेड़ों को नष्ट कर दिया था। दुनिया की सबसे प्रसिद्ध और...

26 Oct

Posted at 10:04h in Crop disease
Dr. Smita Puri 15 views

 दलहनी फसल अरहर में एकीकृत रोग प्रबंधन Pigeon pea is an important pulse crop and has major role in food and nutritional security because it is a rich source of protein, minerals and vitamins. The cultivated area and production of pigeonpea have recorded a steady positive growth in the past 50 years, but the mean national productivity has remained unchanged at around 700 kg/ha. To increase its productivity, breeders are trying to develop suitable varieties with subjective spread, growth, duration, disease and pest resistance under varied agro-climatic growing conditions.  Diseases are a continual problem and control measures must be planned for developing sustained production. Each condition that affects plant growth also affects the disease...

21 Oct

Posted at 06:20h in Crop disease
Dr.A.G.Rajalakshmi 13 views

मक्का में जस्ता की कमी और निगमन Zinc is a micro-nutrient essential for the growth and development of plants, animals and humans. Zinc has several important functions in plants, including major roles in enzyme reactions, photosynthesis, DNA transcription and auxin activity. Of all micro-nutrients, zinc is the most often deficient in corn production and most likely to elicit a yield response when applied as fertilizer. However, yield responses are only attainable when zinc is deficient and therefore limiting yield.  Role of Zinc in corn plant Synthesis (production) of growth hormones and proteins. Production of chlorophyll and carbohydrate metabolism. Essential for the transportation of calcium throughout the corn plant.  Cell elongation, the increase in leaf and node size...

05 Oct

Posted at 07:27h in Crop disease
विधा भाटी 8 views

10 Major physiological disorders of palm and their management खजूर शुष्क और अर्द्ध शुष्क क्षेत्रों की बहुत महत्वपूर्ण बागवानी फसल है, जहाँ का तापमान 50 डिग्री सेल्सियस के ऊपर, पानी और जल की प्रकृति क्षारीय हो, वार्षिक वर्षा 200 मिमी. से कम हो और कोई अन्य व्यवसायिक फसल नहीं होती हो । अतः उन क्षेत्रों के लिए खजूर की फसल एक वरदान है, क्योंकि खजूर की खेती में लागत कम, उत्पादन अधिक और बाजार में मांग भी अधिक होती है। यह फसल इन क्षेत्रों की अर्थव्यवस्था और सामाजिक जीवन में केंद्रीय भूमिका निभाती है।  उत्तरी अफ्रीका और मध्य पूर्व एशिया के शुष्क क्षेत्रों में खजूर के फल एक प्रमुख खाध्य फल है। खजूर की...

22 Sep

Posted at 06:47h in Crop disease
डा। बशीर अहमद राठर 14 views

कारगिल, लद्दाख क्षेत्र में कोडलि‍गं मोथ के प्रबंधन के लिए एक संभावित उपकरण - सामूहिक फंदा (मास ट्रैप)  Mass trapping is just as the name suggests, placement of a large number of traps in an area, which usually have a sticky cardboard bottom baited with pheromone lures. The lure mimics the scent of a female moth attracting male moths to the trap with the result preventing or delaying mating. Mass trapping requires a high density of traps in order to remove enough males to reduce insect damage. Mass trapping has been attempted for a variety of agricultural, orchard and forest pests on scales ranging from a few to thousands of hectares ....

03 Sep

Posted at 10:51h in Crop disease
Ravindra Kumar 18 views

दार्जिलिंग और सिक्किम के उत्तर पूर्वी पहाड़ी क्षेत्र में मेंडारि‍न ऑरेंज के 7 प्रमुख कीट तथा उनका प्रबंधन Major insect pests problematic to mandarin orange in North Eastern Hill regions of Darjeeling and Sikkim are leaf miner, citrus psylla, citrus fruit sucking moth, citrus stem borer etc. These major insects and their management are as following- 1. Citrus leaf miner (Phyllocnistis citrella): It is a common pest of citrus crops in India. The adult of this pest is a minute silvery white or greyish moth. Usually leaf miner is more active during their growth period i.e., in spring and rainy seasons. Tender leaves are attacked and leaf miner larvae feed on the epidermis, producing...