Growth improvement in spring maize through exogenous application of ascorbic acid, salicylic acid and hydrogen peroxide

Ijaz Ahmad; Shahzad M.A. Basra; Irfan Afzal; M. Farooq; Abdul Wahid

Growth improvement in spring maize through exogenous application of ascorbic acid, salicylic acid and hydrogen peroxide

Ijaz Ahmad^*, Shahzad M.A. Basra, Irfan Afzal, M. Farooq, Abdul Wahid

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

Early plantation of spring maize crop is practiced to avoid heat stress during seed set but low temperature causes poor and erratic stand establishment. Foliar application of antioxidants, plant growth regulators and osmoprotectant can improve early seedling growth. Foliar spray of ascorbic acid (AsA), salicylic acid (SA) and hydrogen peroxide (H₂O₂) @ 20 and 40mg L^-1 was applied on spring maize seedlings at 3^rd leaf stage. Foliar application improved shoot and root lengths, which was associated with higher superoxide dismutase (SOD), chlorophyll and nutrients contents. A positive correlation was observed between shoot length and shoot N, P and K contents, leaf SOD and chlorophyll contents, while root length was positively correlated with root N, P and K contents. It is concluded that early seedling establishment can be improved by exogenous application of AsA, SA and H₂O₂ owing to enhanced antioxidants defense system and nutrient homeostasis.

Original language	English
Pages (from-to)	95-100
Number of pages	6
Journal	International Journal of Agriculture and Biology
Volume	15
Issue number	1
Publication status	Published - 2013
Externally published	Yes

Keywords

Foliar spray
Maize
Nutrients
Superoxide dismutase

ASJC Scopus subject areas

Agricultural and Biological Sciences(all)

Cite this

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title = "Growth improvement in spring maize through exogenous application of ascorbic acid, salicylic acid and hydrogen peroxide",

abstract = "Early plantation of spring maize crop is practiced to avoid heat stress during seed set but low temperature causes poor and erratic stand establishment. Foliar application of antioxidants, plant growth regulators and osmoprotectant can improve early seedling growth. Foliar spray of ascorbic acid (AsA), salicylic acid (SA) and hydrogen peroxide (H2O2) @ 20 and 40mg L-1 was applied on spring maize seedlings at 3rd leaf stage. Foliar application improved shoot and root lengths, which was associated with higher superoxide dismutase (SOD), chlorophyll and nutrients contents. A positive correlation was observed between shoot length and shoot N, P and K contents, leaf SOD and chlorophyll contents, while root length was positively correlated with root N, P and K contents. It is concluded that early seedling establishment can be improved by exogenous application of AsA, SA and H2O2 owing to enhanced antioxidants defense system and nutrient homeostasis.",

keywords = "Foliar spray, Maize, Nutrients, Superoxide dismutase",

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T1 - Growth improvement in spring maize through exogenous application of ascorbic acid, salicylic acid and hydrogen peroxide

AU - Ahmad, Ijaz

AU - Basra, Shahzad M.A.

AU - Afzal, Irfan

AU - Farooq, M.

AU - Wahid, Abdul

PY - 2013

Y1 - 2013

N2 - Early plantation of spring maize crop is practiced to avoid heat stress during seed set but low temperature causes poor and erratic stand establishment. Foliar application of antioxidants, plant growth regulators and osmoprotectant can improve early seedling growth. Foliar spray of ascorbic acid (AsA), salicylic acid (SA) and hydrogen peroxide (H2O2) @ 20 and 40mg L-1 was applied on spring maize seedlings at 3rd leaf stage. Foliar application improved shoot and root lengths, which was associated with higher superoxide dismutase (SOD), chlorophyll and nutrients contents. A positive correlation was observed between shoot length and shoot N, P and K contents, leaf SOD and chlorophyll contents, while root length was positively correlated with root N, P and K contents. It is concluded that early seedling establishment can be improved by exogenous application of AsA, SA and H2O2 owing to enhanced antioxidants defense system and nutrient homeostasis.

AB - Early plantation of spring maize crop is practiced to avoid heat stress during seed set but low temperature causes poor and erratic stand establishment. Foliar application of antioxidants, plant growth regulators and osmoprotectant can improve early seedling growth. Foliar spray of ascorbic acid (AsA), salicylic acid (SA) and hydrogen peroxide (H2O2) @ 20 and 40mg L-1 was applied on spring maize seedlings at 3rd leaf stage. Foliar application improved shoot and root lengths, which was associated with higher superoxide dismutase (SOD), chlorophyll and nutrients contents. A positive correlation was observed between shoot length and shoot N, P and K contents, leaf SOD and chlorophyll contents, while root length was positively correlated with root N, P and K contents. It is concluded that early seedling establishment can be improved by exogenous application of AsA, SA and H2O2 owing to enhanced antioxidants defense system and nutrient homeostasis.

KW - Foliar spray

KW - Maize

KW - Nutrients

KW - Superoxide dismutase

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Growth improvement in spring maize through exogenous application of ascorbic acid, salicylic acid and hydrogen peroxide

Abstract

Keywords

ASJC Scopus subject areas

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