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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 10, Issue 2 (2021)

Response of post emergence application of herbicides on phenophases, yield, biochemical components and economic analysis of maize [Zea mays (L.)]

Author(s):

Rohit Kumar Kumawat, RK Samaiya, Yogendra Singh and Satyendra Thakur

Abstract:
A field experiment entitled was conducted at Research Farm, AICRP on Forage Crops, Department of Agronomy and Plant Physiology, JNKVV, Jabalpur (Madhya Pradesh) during Kharif season of the year 2018-19. The treatments comprised of 7 weeds control methods viz. application of herbicides Tembotrione @120g ha-1, Topramezon @35g ha-1, Tembotrione+Atrazine @120g+250g ha-1, Topramezon+Atrazine @35g+250g ha-1, 2,4-D @500g ha-1, two hand weeding, and another one kept untreated (weedy check) in each replication. The research experiment was laid out in a randomized block design replicated thrice. Plant height significantly increased due to weed control treatments. The highest plant height was noted in treatment T6 hand weeding and lowest plant height in treatment T7- Control (weedy check) The biochemical estimations viz., protein (%), fat (%), carbohydrate (%), fibre (%), ash (%) significantly influenced by weed control treatments. Treatment T6-Hand weeding had maximum value of carbohydrate (69.33), fat (3.95), fibre (2.87), ash (2.64). Whereas, treatment T4-Topramizon + Atrazine @35g+250g ha-1 found maximum value of protein (9.97). The major yield components were also found superior for number of cobs plant-1, cob length, cob girth, number of grains cob-1, cob weight, 100 grain weight including high biological yield and seed yield and highest harvest index in the hand weeding treatment (T6) due to better control of weeds which resulted into better photo assimilate transportation towards the sink.

Pages: 276-279  |  830 Views  274 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
Rohit Kumar Kumawat, RK Samaiya, Yogendra Singh and Satyendra Thakur. Response of post emergence application of herbicides on phenophases, yield, biochemical components and economic analysis of maize [Zea mays (L.)]. J Pharmacogn Phytochem 2021;10(2):276-279.

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