Daños en la germinación del ajo (Allium sativum L.) causados por el tratamiento con fosfuro de hidrógeno (PH3).

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Rubén Avilés Pacheco
Eleuterio Sotomayor Sánchez
Guillermo Guibert
Yolanda Martínez Suárez

Abstract

Hydrogen phosphide (PH3) is obtained by hydrolyses of aluminium phosphide. This fumigant has been registered in Cuba under different trade mark as Phostoxin, Gastión Tabletas, etc. which are recommended against garlic mites (Eriophyes tulipae Keifer y rhizoglyphus sp.) at dose of 7 Tablets/m3 with 3 exposition days; each tablet release 1g of active agent (PH3). Infested and uninfested garlic bulks were fumigated using tight chamber with 0,2 m3; the treatments tested were 1,25; 2,50 and 5,00 Tablets/m3 and 3 expositions days, these dose are lower than those officially recommended. There also were used as control one chamber without any treatment. Evaluations of survivors (insects and mites) were done as well as the measurement of garlic germination at seedbeds under open field conditions. The results shows that 5 o more tablets/m3 caused serious germination injure, specially when sowing were done 24 hour after phosphine treatment; while lower dose of 1,25 Tablets/m3 was inactive over garlic germination but, however, did not reach good results against main target pests. Phosphine dose of 2,50 Tablets/m3 reach the best results


 


supported by its higher effectiveness degree against insects and mites, as well as lower germination damage. There also were found positive relation between germination (%) and time from ending treatment to sowing.

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How to Cite
Daños en la germinación del ajo (Allium sativum L.) causados por el tratamiento con fosfuro de hidrógeno (PH3). (2005). Agrotecnia De Cuba, 29, 578-583. https://www.agrotecnia.edicionescervantes.com/index.php/agrotecnia/article/view/1040
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Original Articles

How to Cite

Daños en la germinación del ajo (Allium sativum L.) causados por el tratamiento con fosfuro de hidrógeno (PH3). (2005). Agrotecnia De Cuba, 29, 578-583. https://www.agrotecnia.edicionescervantes.com/index.php/agrotecnia/article/view/1040

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