氮肥条件下毛霉菌株对五味子（Schizolobium parahyba var. Amazonicum）幼苗生长的影响

Pub Date : 2024-01-31 DOI:10.14393/bj-v40n0a2024-63032

Luís Augusto Batista de Oliveira, Gabriel Silva Alves, Cecília Leão Pereira Resende, Daniel Diego Costa Carvalho, F. Rodrigues

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引用次数: 0

摘要

本研究采用随机完全区组设计，4x5析因方案（菌株和施肥量），7次重复，评估了在施用毛霉菌属的不同氮肥条件下，paricá（Schizolobium parahyba var.amazonicum）幼苗的初始生长情况。评估的性状包括株高、茎直径、叶片和茎鲜重、叶片和茎干重以及气生部分干重和鲜重。在高氮率条件下，毛霉菌株对paricá（Schizolobium parahyba var. amazonicum）幼苗的促进作用并不理想。不过，只有在低氮条件下，毛霉 IBLF 006 WP 菌株才会有效。

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Schizolobium parahyba var. amazonicum seedling growth by Trichoderma spp. strains under nitrogen rates

This study evaluated the initial development of paricá (Schizolobium parahyba var. amazonicum) seedlings under different nitrogen rates with the application of Trichoderma spp., using a randomized complete block design in a 4x5 factorial scheme (strains and rates) with seven replications. The evaluated traits were plant height, stem diameter, leaf and stem fresh weights, leaf and stem dry weights, and aerial part dry and fresh weights. Trichoderma spp. strains did not satisfactorily promote paricá seedlings (Schizolobium parahyba var. amazonicum) under high nitrogen rates. However, the Trichoderma harzianum IBLF 006 WP strain was efficient only under low nitrogen availability.

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