मुरझाने वाले विषाणुयुक्त टमाटर

Class: वायरस
Common Name: मुरझाने वाले विषाणुयुक्त टमाटर
Scientific Name: Tomato Spotted Wilt Virus
Potential Host:

Tobacco, peanut, tomato, pepper, potato, eggplant, lettuce, endive, celery, bean, cowpea, spinach, cucumber, cauliflower, and many more

Who Am I?

Tomato spotted wilt virus (TSWV) is from the tospoviruses genus and is common worldwide due to the spread of its main vector, the western flower thrips. The infection results in spotting and wilting of the infected crop, reduced yield, and in a later stage it will lead to death of the plant. Early symptoms show on the stems and leaves, while symptoms upon fruits appear at a later stage. Foliage and stems: appearance of circular stains of about 5.0 cm in diameter and quickly become necrosis. Fruits: round halo-like and sometimes spiral spots. When plant is fully infected then the leaves have all over chlorosis with formations of necrotic spots and delayed development.

The virus is transmitted by thrips (mainly the western flowers thrips), and it is not seedborne. There are a large number of hosts, such as weeds, that allow the virus to remain present even after the contaminated crop was harvested. This can cause the weeds to contaminate crops the following season and makes disease control difficult.

Control Measures

विषाणुओं का कोई उपचार नहीं है। संक्रमित पौधो का उपचरर नहीं किया जा सकता हैं, अत: विषाणु-प्रकोपों को रोकने पर ध्यान देना चाहिये। यदि केवल कुछ पोधे ही संक्रमित होते हैं तो उन पोधों को खेत में से हटा देना चाहिये।

रोग प्रतिरोधक पौधों की भिन्न प्रकारों और बीजों का प्रयोग करें।.

अंदरूनी ढांचे बढ़ाएं : ढांचे को बंद और जालियों को छिद्र-मुक्त रखें।

स्वच्छता : खरपतवारों, पौधे के अवशेषों, क्षतिग्रस्त भागों, अवांछित पौधों की वृद्धि, और आस-पास के खेती न किये गये क्षेत्रो और असुरक्षित पोधों को हटा कर आस-पास के क्षेत्र साफ रखें।

कीड़ों की आबादी को ट्रैक करने के लिए ट्रैप जैसी पेस्ट निगरानी तकनीकों का उपयोग करें।

कीटों का कीटनाशक दवाइयों से प्रभावशाली प्रबंधन कठिन होता है। आर्गनोंफॉस्फेट, कार्बामेट्स और पाइरथ्रोइड्स कीटनाशकों का प्रयोग करने का प्रयास न करें। ये रसायन प्राकृतिक शत्रुओं और परागणकारियों को मिटा देते हैं और कीटों की अधिकांश आबादी को बिना क्षति पहुंचाये छोड़ देते हैं।

स्पाइनोसाद-आधारित उत्पाद

व्यावसायिक रूप से उपलब्ध प्राकृतिक थ्रिप शत्रु ओरिउस (“minute pirate bug”) प्रजाति से उत्पन्न होते हैं।

*Names marked in red are considered to be highly poisonous to beneficial insects.

*Names marked in green are considered to be organic and IPM (integrated pest management) compatible.

Caution and careful notice should be taken when using any plant protection products (insecticides, fungicides, and herbicides). It is the grower’s sole responsibility to keep track of the legal uses and permissions with respect to the laws in their country and destination markets. Always read the instructions written on labels, and in a case of contradiction, work in accordance to the product label. Keep in mind that information written on the label usually applies to local markets. Pest control products intended for organic farming are generally considered to be less effective in comparison to conventional products. When dealing with organic, biologic, and to some extent a small number of conventional chemical products, a complete eradication of a pest or disease will often require several iterations of a specific treatment or combination of treatments.

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