Guar: Bacterial blight and Alternaria blight

Guar: Bacterial blight and Alternaria blight:-

1. Bacterial blight (जीवाणु झुलसा):-

Pathogen (रोगजनक):- Xanthomonas cyamopsidis (A bacterium) (एक जीवाणु)

Symptoms (लक्षण):-

> This disease infestation mostly occurs during the Kharif season crop at the surface of the leaf.

(यह रोग मुख्य रूप से खरीफ मौसम की फसल में पत्तियों की सतह पर होता है।)

> The spots of the disease are intraveinal, round, and well defined on the dorsal surface of the leaf.

(रोग के धब्बे अंतर-शिरीय, गोल, और पत्तियों की पृष्ठ सतह पर स्पष्ट रूप से दिखाई देते हैं।)

> The pathogen invades vascular tissues and causes flaccidity of the affected portion.

(रोगजनक संवहन ऊतकों में प्रवेश कर प्रभावित हिस्से में शिथिलता उत्पन्न करता है।)

> The flaccid spots become necrotic and turn brown.

[शिथिल धब्बे मृत ऊतक (नेक्रोटिक) बन जाते हैं और भूरे रंग के हो जाते हैं।]

> The infection advances to the petiole and stem, resulting in blackening and cracking of the stem.

(संक्रमण पर्णवृंत और तने तक फैल जाता है, जिससे तने का काला पड़ना और फटना शुरू हो जाता है।)

Management (प्रबंधन):-

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