What herbicide was historically used in wheat against Phalaris minor in Haryana until the weed developed severe biochemical resistance in the early 1990s?

Question

What herbicide was historically used in wheat against Phalaris minor in Haryana until the weed developed severe biochemical resistance in the early 1990s? (हरियाणा में गेहूं के गुल्ली डंडा (Phalaris minor) ने किस दवा के लगातार उपयोग के कारण 1990 के दशक में सबसे पहले प्रतिरोधकता (Resistance) विकसित कर ली थी?)

Think Extraordinary · Accepted Answer

Correct Answer: Option A. Isoproturon (आइसोप्रोट्यूरॉन). Explanation: Continuous use of Isoproturon for 15+ years in Haryana's rice-wheat belt led to metabolic resistance in Phalaris minor by 1992, necessitating replacement with Sulfosulfuron, Clodinafop, and Pinoxaden.

Answer

Option B: 2,4-D

Answer

Option C: Glyphosate

Answer

Option D: Atrazine

Weed Science and Management

What herbicide was historically used in wheat against Phalaris minor in Haryana until the weed developed severe biochemical resistance in the early 1990s?