Intercropping forage cactus with sorghum affects the morphophysiology and phenology of forage cactus

被引:17
|
作者
da Rosa Ferraz Jardim, Alexandre Manicoba [1 ,2 ]
Bastos de Souza, Luciana Sandra [2 ]
Alves, Cleber Pereira [2 ]
Nunes de Araujo, Jandis Ferreira [2 ]
Alves de Souza, Carlos Andre [1 ]
Pinheiro, Antonio Gebson [1 ]
Leal de Araujo, Gherman Garcia [3 ]
Campos, Fleming Sena [4 ]
Tabosa, Jose Nildo [5 ]
Freire da Silva, Thieres George [1 ,2 ]
机构
[1] Univ Fed Rural Pernambuco, Dept Agr Engn, Recife, PE, Brazil
[2] Univ Fed Rural Pernambuco, Acad Unit Serra Talhada, Serra Talhada, Brazil
[3] EMBRAPA Semiarid, Brazilian Agr Res Corp, Petrolina, Brazil
[4] Univ Fed Rural Pernambuco, Dept Anim Sci, Garanhuns, Brazil
[5] Agron Inst Pernambuco, Recife, PE, Brazil
关键词
cladodes emission; crop arrangement; growth rates; Nopalea; Opuntia; OPUNTIA-FICUS-INDICA; USE EFFICIENCY; WATER-USE; GROWTH; YIELD; IRRIGATION; SOIL; INTENSITY; RESPONSES; CLIMATE;
D O I
10.2989/10220119.2021.1949749
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
The aim of this study was to evaluate morphophysiological indices, phenology and cutting time of forage cactus (Opuntia and Nopalea spp.) clones intercropped with sorghum cultivars (Sorghum bicolor). The experiment was carried out from 2017 to 2018, in two cropping systems (monocropping and intercropping), comprising 12 treatments, consisted of three cactus clones: 'IPA Sertania'-IPA, 'Miuda'-Miu and 'Orelha de Elefante Mexicana'- OEM, in a monocropping system and nine combinations the cacti and sorghum (cultivars 467, SF11 and 2502) to comprise each of the intercropping systems. Cladodes morphophysiological indices were obtained: absolute growth rate, relative growth rate, net assimilation rate (NAR), specific cladode area rate (SCAR) and the cladode area index rate. OEM showed higher absolute growth rates at the beginning of the cycle, compared with IPA and Miu. NAR was higher in the monocropped OEM and in the OEM-2502 intercrop than under all the IPA and Miu systems (monocropping and intercropping), but the SCAR rate was higher for IPA (monocrop and intercropped). Miu showed a shorter duration of phenophase 2, but OEM had a higher rate of cladode emission during this phase. Cactus-sorghum intercropping systems cause a significant reduction in growth rates of the forage cactus. Intercropping has an earlier cutting time than the monocropping.
引用
收藏
页码:129 / 140
页数:12
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