Browsing by Author "Mandlio, Rajendra"
Now showing 1 - 2 of 2
Results Per Page
Sort Options
ArticleItem Open Access Bio-efficacy of propaquizafop herbicide against weeds in sesame (Sesamum indicum L.)(Research on Crops, 2016) Gupta, Sourav; Kushwah, Dr. S. S.; Sahu, Jyotimala; Sharma, Dr. R. N.; Kasana, B. S.; Mandlio, Rajendra; Shyam, Manisha; Yadav, SushilA field investigation was carried out for two consecutive kharif seasons during 2013 and 2014 at the Research Farm, College of Agriculture, RVSKVV, Gwalior, Madhya Pradesh to study the bio-efficacy of propaquizafop for the control of narrow-leaved weeds in sesame. Experiment consisted of eight treatments viz.,T1 (Propaquizafop 10% EC @ 50 g a.i./ha PoE), T2 (Propaquizafop 10% EC @ 62.5 g a. i./ha PoE), T3 (Propaquizafop 10% EC @ 100 g a. i./ha PoE), T4 (Propaquizafop 10% EC @ 125 g a. i./ha PoE), T5 (Quizalofop-pethyl 5% EC @ 50 g a. i./ha PoE), T6 (Fenoxaprop-p-ethyl 9% w/w EC @ 100 g a. i./ha PoE), T7 (Two hand weedings at 20 and 40 DAS) and T8 (Weedy check). The experiment was laid out in randomized block design (R. B. D.) with three replications. Propaquizafop and other two herbicides viz., quizalofop-p-ethyl and fenoxaprop-p-ethylwere applied at 2-3 leaf stage of weeds. Among the herbicidal treatments, propaquizafop @ 125 g a. i./ha gave lowest narrow-leaved weed density as well as their dry weight at 75 DAS stage on pooled basis, however, these herbicides were not found effective against broad-leaved weeds. These were observed statistically at par with all the doses of propaquizafop tried under investigation. The highest sesame grain yield (718 kg/ha), oil yield (348 kg/ha),harvest index (18.11%) and net income ($ 47339) were recorded with execution of two hand weedings at 20 and 40 DAS (T7) over rest of the weed control treatments followed by propaquizafop application @ 50 g a. i./ha (T1). Propaquizafop applied at its higher dose (@125 g a. i./ha) gave excellent control of narrow-leaved weeds but this could not turn into yield due to phytotoxicity caused by it on the crop.ArticleItem Open Access Effect of post-emergence herbicides on yield and economics of sesame (Sesamum indicum)(2016) Gupta, Sourav; Kushwah, Dr. S. S.; Mandlio, Rajendra; Sahu, Jytiomala; Sharma, Dr. R. N.; Yadav, SushilAn experiment was conducted during the rainy (kharif) seasons of 2013 and 2014 at Gwalior, Madhya Pradesh, to study effect of post-emergence herbicides on yield and economics of sesame (Sesamum indicum L.). The experiment was laid out in a randomzied block design (RBD) replicated thrice, with 8 treatments. Sesame variety ‘TKG 22’ was grown by adopting recommended package of practices except weed-control measures which were applied as per treatments. Two hand-weedings at 20 and 40 days after sowing (DAS) gave significantly higher weed control efficiency (94.14%), followed by propaquizafop @ 125 g a.i./ha (69.51%) over rest of the weed-control treatments. Pooled results showed significantly higher growth and yield attributes and seed yield (718 kg/ha), stalk yield (3,243 kg/ha), gross income ( 73.4 × 103), net income ( 47.3 × 103) and benefit: cost ratio (2.82) under 2 hand-weeding at 20 and 40 DAS over rest of the weed-control treatments, followed by propaquizafop @ 50 g a.i./ha. Application of propaquizafop @ 125 g a.i./ha produced phytotoxicity on sesame plants and subsequently affected the growth attributes in crop; however, symptoms of chlorosis disappeared 25–30 days after application of herbicides.