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首页> 外文期刊>Revista Brasileira de Fruticultura >Enxertia de maracujazeiro-azedo em estacas herbáceas enraizadas de espécies de passifloras nativas
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Enxertia de maracujazeiro-azedo em estacas herbáceas enraizadas de espécies de passifloras nativas

机译：百香果在天然西番莲有根草本插条上的嫁接

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The soil born diseases cause expressive losses in passion fruit crops in Brazil. The use of resistant rootstocks is an alternative to control these diseases. Several wild species of Passifloraceae have presented resistance to soil born pathogens, but their utilization as rootstock from seeds has been limited mainly by differences of thickness between the rootstock and the graft of the commercial cultivars. These limitations could be reduced using herbaceous cuttings as rootstock. In these experiments, herbaceous cuttings has been collected from Passiflora setacea (source EC-PS 1), P. nitida (source EC-PN 1), P. caerulea (source EC-PC 1), P. actinia (source EC-PA 1) and a F1 hybrid between P. setacea x P. edulis f. flavicarpa (commercial cultivars) and treated with acetic naphthalene acid (ANA) at 500 mg/L and kept in moisture greenhouse. The graftings (lateral grafting) were made at 40, 55 and 70 days after the collecting and planting of the cuttings. The evaluations were made at 145 and 150 days after the cutting planting determining the percentages of living grafts and sprouting grafts and length of the sprout graft. The grafting on rooted-herbaceous cutting of P. nitida and F1 hybrid was technically viable for passion fruit-seedling production.
机译：由土壤引起的疾病在巴西的百香果作物中造成了明显的损失。使用抗性砧木可以控制这些疾病。西番莲科的几种野生种对土壤中的病原菌具有抗性，但是它们作为种子的砧木的利用主要受到砧木和商业品种嫁接物厚度之间的差异的限制。使用草本插条作为砧木可以减少这些限制。在这些实验中，已从西番莲（来源EC-PS 1），nit。P. nitida（来源EC-PN 1），ca.uleera（活性EC-PC 1），猕猴桃P.actinia（来源EC-PA）中收集了草屑。 1）和P. setacea x P. edulis f。之间的F1杂种。 flavicarpa（商业品种），并以500 mg / L的乙酸萘酸（ANA）处理并保存在潮湿的温室中。在收集和种植插条后的第40、55和70天进行嫁接（横向嫁接）。在the插播种后第145天和150天进行评估，确定活体和发芽嫁接的百分比以及发芽嫁接的长度。技术上可行的是将P. nitida和F1杂种的根皮-根皮切条嫁接。

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