Abstract
Effect of Exogenously Field Application of Jojoba Oil and Methomyl on Biochemical Constituents of Broad Bean (Vicia faba L.) Against Cotton Leafworm (Spodoptera littoralis Boisd.)
Highlights
The cotton leafworm Spodoptera littoralis Boisadüval (Lepidoptera: Noctüidae) is the most prevalent one and a serious pest of economic crops worldwide, causing reduced production and quality resulting in huge economic loss to growers (Ismail et al, 2019)
Plants respond to a wide range of several other synthetic chemicals that have been used as inducers of resistance against herbivores (Boughton et al, 2005) by which plants acquire a variety of systemic immunity; such as Actigard® (Acibenzolar-S-methyl), Regalia® (Reynoutria sachalinensis), methyl jasmonate, etc
Leaves of broad bean, treated with jojoba oil retained a higher carbohydrates content than leaves treated with methomyl
Summary
The cotton leafworm Spodoptera littoralis Boisadüval (Lepidoptera: Noctüidae) is the most prevalent one and a serious pest of economic crops worldwide, causing reduced production and quality resulting in huge economic loss to growers (Ismail et al, 2019). Plants respond to a wide range of several other synthetic chemicals that have been used as inducers of resistance against herbivores (Boughton et al, 2005) by which plants acquire a variety of systemic immunity; such as Actigard® (Acibenzolar-S-methyl), Regalia® (Reynoutria sachalinensis), methyl jasmonate, etc. It acts as a component of integrated pest management for the sustainable production of crops and the reduction of the amounts of insecticides used in pest control. The main contribution of this study is to alleviate the harmful effects of the cotton leafworm on the broad beans plant by foliar spraying of commercial formulations of jojoba oil as a natural product and methomyl as a chemical synethetic compound by increasing the tolerance of the host plant through affecting on some of its chemical constituents
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