THE EFFECT OF INTRASPECIFIC COMPETITION ON GROWTH AND PRODUCTIVE CHARACTERISTICS OF COWPEA (Vigna unguiculata L. Walp)

被引：0
|
作者：
Guillen Trujillo, Ariel [1 ,2 ]
Palacios Espinosa, Alejandro [3 ,4 ,5 ,6 ]
Zamora Salgado, Sergio [5 ,7 ,8 ,9 ]
Ortega Perez, Ricardo [5 ,10 ,11 ]
Espinoza Villavicencio, Jose L. [4 ,5 ,12 ]
机构：
[1] Univ Autonoma Chihuahua UACH, Ingn Zootecnista Maestro Ciencias & Doctor Filoso, Chihuahua, Mexico
[2] Univ Autonoma Baja Calif UABCS, Mexico City, DF, Mexico
[3] Univ Autonoma Zacatecas, Med Vet Zootecnista, Zacatecas, Mexico
[4] UACH, Maestro Ciencias & Doctor Filosofia, Mexicali, Baja California, Mexico
[5] UABCS, Mexicali, Baja California, Mexico
[6] UABCS Carretera Sur, Dept Zootecnia, KM 5-5, La Paz 23080, BCS, Mexico
[7] UABCS, Ingn Agron, Mexicali, Baja California, Mexico
[8] Inst Tecnol Sonora, Maestro Ciencias, Obregon, Mexico
[9] Univ Agr La Habana, Ciencias, Havana, Cuba
[10] UABCS, Ingn Zootecnista & Maestro Ciencias, Mexicali, Baja California, Mexico
[11] CIBNOR, Ciencias, Mexico City, DF, Mexico
[12] Univ Michoacana, Med Vet Zootecnista, Morelia, Michoacan, Mexico
来源：
INTERCIENCIA | 2016年 / 41卷 / 05期
关键词：
QUALITY;
D O I：
暂无
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
Cowpea (V. Unguiculata (L.) Walp) is consumed as human food and animal feed in many countries; in Mexico it is also used as green manure to improve soils. The study was conducted in La Paz, Baja California Sur, Mexico to determine if there is an intraspecific competition in V. Unguiculata and its effect on productive characteristics of the crop under field conditions. Three treatments consisting in placing 1, 2 and 3 seeds every 25cm in rows 15m long separated by 70cm, with 5 replicates, were compared. The following variables were evaluated: stem diameter, stem length, number of leaves, number of pods, forage weight and number of secondary stems. A multivariate analysis of variance was performed to explore the correlation between these variables. The performance of the studied variables decreased (P<0.001) as plant density of seeds increased. It is concluded that V. Unguiculata under field conditions presents infraspecffic competition with regard to the variables studied here.
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页码：353 / 356
页数：4
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