Biochemical Constituents Imparting Resistance to Sucking Pest  Aphid in Cotton (Gossypium spp.)

Divya, T.C.; Katageri, I. S.; Jadhav, Mangesh; Adiger, Sateesh; Vamadevaiah, H. M.; Olekar, Nagaratna S.

doi:10.20546/ijcmas.2017.612.319

Cited by 3 publications

(1 citation statement)

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“…The mechanism of host plant resistance in response to insect infestation consists of a series of biochemical events, including increased production of phenolics, mediated by phenylalanine ammonia-lyase, tyrosine ammonialyase, peroxidase and polyphenol oxidase (Divya et al 2017). The primary metabolites include carbohydrates and proteins, which are exploited by the herbivores for their growth and development and also function as precursors of secondary substances, which are major elements of resistance in plants (Edreva et al 2008).…”

Section: Discussionmentioning

confidence: 99%

Field Screening of Lentil Genotypes against Aphid Infestation in Inner Tarai of Nepal

Neupane

Subedi

Darai

2020

J. Nep. Agric. Res. Counc.

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Twenty lentil (Lens culinaris Medik) genotypes received from Grain Legumes Research Program, Khajura, Banke were screened for relative tolerance against aphid (Aphis craccivora Koch.) at the research field of National Maize Research Program, Rampur, Chitwan during winter seasons of two consecutive years 2016 and 2017. The design of the experiment was Randomized Complete Block having three replications. The unit plot size was 4m × 1 m with 25cm row to row spacing and continue plant to plant spacing was maintained and net harvested plot was 4 square meters. The recommended dose of fertilizer was 20:40:20 N:P 2 O 5 :K 2 O kg/ha and seed rate 30 kg/ha. Insect data were collected based on aphid population found at apical twigs (10 cm) per plant and scoring was done during flowering and pod formation stage. The grain yield was recorded. All screened genotypes differed significantly (p<0.05) on aphid population and grain yield. Genotypes, ILL 9924, RL 83, ILL 10856, ILL 6458 and RL 67 were less susceptible with higher grain yield. These results have important implications for the development of aphid tolerant high yielding lentil variety in inner Tarai of Nepal. ;f/f+ z nfxL ls/f sd nfUg] tyf o;sf] cfqmd0f ;xg ;Sg] hftx?sf] 5gf] 6 tyf lasf;sf] nflu sf] ;] afnL cg' ;Gwfg sfo{ qmd, vh' /f, afF s] af6 k| fKt @) j6f d;' /f] sf] hftx?nfO{ nuftf/ ;g\ @)!^ / @)!& sf] lxpbdf /fli6« o ds} afln cg' ;Gwfg sfo{ qmd, /fdk' /, lrtjgsf] cg' ;Gwfg Ansdf nufO{ kl/If0fx? ;+ rfng ul/Psf] lyof] . kl/If0fx?nfO{ k" 0f{ /] G8Þ f] dfOH8 Ans 9f+ rfdf ltg k6s Aoal:yt ul/Psf] lyof] . k| To] s d;' /f] sf] hftx?nfO rf/ au{ ld6/sf] Kn6x?df, Ps nfOg b] lv csf] { nfOg larsf] b' /L @% ;] =ld= tyf la?jf b] lv la?jf aLrsf] b' /L nuftf/ sfod x' g] ul/ nufOPsf] lyof] . dnvfbsf] dfqf @)M$)M@) gfO6« f] hg M km:kmf] /; M kf] 6fz s] =hL=÷x] = tyf lap b/ #) s] =hL=÷x] = sfod ul/Psf] lyof] . d;' /f] sf] km' n km' Ng] / sf] zf nfUg] ca:yfdf k| To] s la?jfsf] 6' Kkf] df b; ;] =ld= ;Dd nfxL ls/fsf] ;+ Vof dfkg ;fy} pTkfbg cf+ s8f klg /] s8{ ul/Psf] lyof] . nfxL ls/fsf] ;+ Vof, IftLsf] dfkg ;fy} cGo pTkfbg ;DalGw cf+ s8fx?sf] ljZn] if0f ubf{ , cfO=Pn=Pn= ((@$, cf/=Pn=*#, cfO=Pn=Pn=!)*%^, cfO=Pn=Pn=&$%* / cf/=Pn=^& hftx? nfxL ls/fsf] cfqmd0f ;xg ;Sg] , IftL sd x' g] ;fy} pRr pTkfbg lbg] d;' /f] sf] hftx?sf] ?kdf kfOof] . o; kl/If0f af6 k| fKt glthfx?, g] kfnsf] lelq dw] z If] qdf nfxL ls/fsf] cfqmd0f ;xg ;Sg] ;fy} pRr pTkfbg lbg] d;' /f] ] hftx?sf] ?kdf lasfz ug{ sf] nflu pkof] uL x' g] 5 .

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Section: Discussionmentioning

confidence: 99%