Anatomy of somatic embryogenesis in Carica papaya L.
نویسندگان
چکیده
منابع مشابه
Somatic embryogenesis and plant regeneration from immature embryo explant of papaya (Carica papaya L. cv. washington and honey dew).
Immature zygotic embryo explants of Carica papaya were cultured on MS medium supplemented with 2,4-D (2.0 mg/l) and formed globular embryos on explants without callus formation in 4-6 weeks. Maturation and conversion of somatic embryos was also achieved on the same medium. Cotyledonary stage embryos germinated to 63.66 and 68.33% in cv. honey dew and washington respectively in MS basal medium s...
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Quite surprisingly, historians know little about Hippocrates, the physician often referred to as "the father of medicine". However, we do know that he was a strong advocate of the use of medicinal plants to prevent and cure diseases. He recorded between three hundred and four hundred plant remedies in his writing and during the middle ages herbal remedies were passed down from generation to gen...
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Shoot tips from 4to 6-week-old in vitro grown plantlets of six different cultivars of papaya were cryopreserved by vitrification. Shoot tips were treated in a 2 ml cryo-tube filled with a solution of 2 M glycerol and 0.4 M sucrose at 25°C for 20 min, then dehydrated with 1 ml pre-cooled vitrification solution at 4°C for 60 min. Treated samples were kept in liquid nitrogen for at least one week....
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The aim of the present work was to study the shrinkage phenomenon during convective drying of papaya cubes and relate its extension with glass transition. A convective tray dryer was used for the experiments, which were carried out at air temperatures of 40 and 70°C and air velocity of 1.0m/s. The shrinkage behaviour was accomplished by total area and apparent volume alterations along drying. S...
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ژورنال
عنوان ژورنال: Brazilian Archives of Biology and Technology
سال: 2001
ISSN: 1516-8913
DOI: 10.1590/s1516-89132001000300005