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Antixenotic resistance traits of muskmelon cucumis melo( l.) against fruit fly (Bactrocera cucurbitae (coquillett)) in arid region of India

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Title Antixenotic resistance traits of muskmelon cucumis melo( l.) against fruit fly (Bactrocera cucurbitae (coquillett)) in arid region of India
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Creator S. M. Haldhar, B. R. Choudhary and R. Bhargava
 
Subject Bactrocera cucurbitae Cucumis melo, antixenotic, allelochemical, muskmelon
 
Description Not Available
Plant genotypes possess different antixenotic properties, which resultantly induce in them different
mechanisms of resistance. Various antixenotic traits including length of pubescence, fruit toughness, rind
thickness, flesh thickness, days to first harvest and fruit diameter were studied on eleven genotypes of
muskmelon ( L.) in relation to resistance against under field conditions in the
hot arid region of India. Significant differences were observed in the tested genotypes for fruit infestation
and larval density per fruit. AHMM/BR-1, RM-50 and AHMM/BR-8 were resistant; MHY-5, Durgapura
Madhu and Pusa Sarabati moderately resistant; AHMM/BR-13, Pusa Madhuras and Arka Jeet susceptible;
while, Arka Rajhans and GMM-3 were the highly susceptible genotypes to fruit fly infestation. Spositive
correlation (r = 0.97) was observed between per cent fruit infestation and larval density per fruit. The
percent fruit infestation and larval density had significant positive correlations with fruit diameter and days
to first harvest and negative correlation with fruit toughness, rind thickness, flesh thickness and length of
ovary pubescence. Maximum variation in fruit infestation and larval density was explained by length of
ovary pubescence (63.3 and 45.7% respectively) followed by fruit toughness (6.7 and 13.7% respectively)
and fruit diameter (8.6 and 10.5% respectively).
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Date 2017-02-04T01:19:59Z
2017-02-04T01:19:59Z
2015
 
Type Research Paper
 
Identifier S. M. Haldhar, B. R. Choudhary and R. Bhargava 2015. Antixenotic resistance traits of muskmelon cucumis melo( l.) against fruit fly (Bactrocera cucurbitae (coquillett)) in arid region of India. Indian Journal of Applied Entomology, 29(2): 81–87
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http://krishi.icar.gov.in/jspui/handle/123456789/2181
 
Language English
 
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Publisher Not Available