A CLOSE VIEW ON HISTOLOGICAL CHANGES IN ROOTS OF GUAVA VAR. SEEDLESS IN HYDERABAD, SINDH, PAKISTAN

Guava var. seedless naturally infected with root-knot nematode were fixed, sectioned and examined in detail. Meloidogyne incognita infective second stage juveniles penetrated and moved intercellularly modifying the vascular system and phloem into giant cells of various sizes. After getting mature th...

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Published inPak. J. Agri. Engg., Vet. Sci. Vol. 40; no. 2; pp. 89 - 92
Main Authors Khan, A., Khanzada, K. A., Rajput, M. A., Samad, M. A., Khatoon, N., Waheed, S.
Format Journal Article
LanguageEnglish
Published Sindh Agriculture University, Tandojam 23.12.2024
Subjects
guava var
histopathology
Meloidogyne incognita
root-knot nematode
seedless
Sindh
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Abstract Guava var. seedless naturally infected with root-knot nematode were fixed, sectioned and examined in detail. Meloidogyne incognita infective second stage juveniles penetrated and moved intercellularly modifying the vascular system and phloem into giant cells of various sizes. After getting mature the females start producing eggs which completely occupy the cortex while in some cells female sections were observed. Necrosis was present with hypertrophy and hyperplasia in cortex cells. Our results suggest selection of resistant guava varieties shall reduce the ability of Meloidogyne incognita damage. In Pakistan, most farmers are small land holders and improved varieties having multiple diseases resistance will be more useful for sustained agricultural production.  
AbstractList Guava var. seedless naturally infected with root-knot nematode were fixed, sectioned and examined in detail. Meloidogyne incognita infective second stage juveniles penetrated and moved intercellularly modifying the vascular system and phloem into giant cells of various sizes. After getting mature the females start producing eggs which completely occupy the cortex while in some cells female sections were observed. Necrosis was present with hypertrophy and hyperplasia in cortex cells. Our results suggest selection of resistant guava varieties shall reduce the ability of Meloidogyne incognita damage. In Pakistan, most farmers are small land holders and improved varieties having multiple diseases resistance will be more useful for sustained agricultural production.  
Guava var. seedless naturally infected with root-knot nematode were fixed, sectioned and examined in detail. Meloidogyne incognita infective second stage juveniles penetrated and moved intercellularly modifying the vascular system and phloem into giant cells of various sizes. After getting mature the females start producing eggs which completely occupy the cortex while in some cells female sections were observed. Necrosis was present with hypertrophy and hyperplasia in cortex cells. Our results suggest selection of resistant guava varieties shall reduce the ability of Meloidogyne incognita damage. In Pakistan, most farmers are small land holders and improved varieties having multiple diseases resistance will be more useful for sustained agricultural production.  
Author Khan, A.
Khanzada, K. A.
Rajput, M. A.
Samad, M. A.
Khatoon, N.
Waheed, S.
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StartPage 89
SubjectTerms guava var
histopathology
Meloidogyne incognita
root-knot nematode
seedless
Sindh
Title A CLOSE VIEW ON HISTOLOGICAL CHANGES IN ROOTS OF GUAVA VAR. SEEDLESS IN HYDERABAD, SINDH, PAKISTAN
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