AGRONOMIC EFFICIENCY AND GRAIN QUALITY OF UPLAND RICE CULTIVARS AS A FUNCTION OF NITROGEN TOPDRESSING

被引：3

作者：

Checchio Mingotte, Fabio Luiz ^{[1
,2
]}

Helena, Maryna ^{[1
]}

Goncalves, Garcia ^{[1
]}

Yada, Marcela Midori ^{[1
,3
]}

Fornasieri Filho, Domingos ^{[1
]}

Lemos, Leandro Borges ^{[1
,3
]}

机构：

[1] Univ Estadual Paulista Julio de Mesquita Filho UN, FCAV, Dept Crop Sci, Jaboticabal, SP, Brazil

[2] FAPESP, Sao Paulo, Brazil

[3] CNPq, Brasilia, DF, Brazil

来源：

BIOSCIENCE JOURNAL | 2015年 / 31卷 / 03期

关键词：

Oryza sativa; Sprinkler irrigation; Yield components; Nutritional quality and technology; PERFORMANCE; STATE;

D O I：

10.14393/BJ-v31n1a2015-26074

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

This study aimed to evaluate the agronomic efficiency and grain quality of rice cultivars as a function of nitrogen application in upland conditions with supplemental sprinkler irrigation. The experiment was carried out in 2012/13 at Jaboticabal-SP on a randomized block and split plots design with four replications. The plots were composed of twelve rice cultivars (BRS Aroma, BRS Monarca, BRS Primavera, BRS Sertaneja, BRSMG Curinga, Caiapo, CIRAD 141, Guarani, IAC 165, IAC 201, IAC 202, and IAC 25), and two levels of nitrogen application (0 and 100 kg of N ha(-1)) in topdress at the R1 stage (panicle differentiation) as subplots. The N application intensifies the degree of lodging, mainly at Caiapo, Guarani, IAC 165, IAC 201 and IAC 25 cultivars. The N application affects the number of sterile spikelets per panicle, mainly in CIRAD 141, BRS Sertaneja, IAC 202, and BRS Aroma cultivars. Caiapo cultivar shows higher grain yield and agronomic efficiency in function of N application, followed by BRS Monarca, BRSMG Curinga, IAC 165, and IAC 202. Although Caiapo, CIRAD 141, Guarani, IAC 165, IAC 202, and IAC 25 cultivars present better results, all the others cultivars also present acceptable values of milling yield, without N application effects. The grain protein content in rice is increased by the N topdressing application.

引用

页码：748 / 758

页数：11

共 31 条

[1]

ARF O., 2003, SCI AGR, V60, P348

[2] YIELD PERFORMANCE OF UPLAND RICE CULTIVARS AT DIFFERENT RATES AND TIMES OF NITROGEN APPLICATION [J].

Bezerra Barreto, Jose Hildernando ;

Soares, Ismail ;

Pereira, Jose Almeida ;

Esmeraldo Bezerra, Antonio Marcos ;

Lima de Deus, Jose Aridiano .

REVISTA BRASILEIRA DE CIENCIA DO SOLO, 2012, 36 (02) :475-483

[3]

Boldieri Flávio Minto, 2010, Rev. Ceres, V57, P421

[4]

Bordin Luciano, 2003, Bragantia, V62, P417, DOI 10.1590/S0006-87052003000300008

[5] Response of rice cultivars to nitrogen and growth regulator chlormequat chloride [J].

Buzetti, Salatier ;

Bazanini, Graciela Cristina ;

de Freitas, Jose Guilherme ;

Andreotti, Marcelo ;

Arf, Orivaldo ;

de Sa, Marco Eustaquio ;

Meira, Flavia de Andrade .

PESQUISA AGROPECUARIA BRASILEIRA, 2006, 41 (12) :1731-1737

[6]

Cantarella H., 1997, RECOM ADUBA O CALAGE, V2, P43

[7] Physico-chemical parameters of rice cultivars fertilized with nitrogen [J].

Checchio Mingotte, Fabio Luiz ;

Hanashiro, Renata Kimie ;

Fornasieri Filho, Domingos .

SEMINA-CIENCIAS AGRARIAS, 2012, 33 :2605-2618

[8] Molecular and environmental factors determining grain quality in rice [J].

Chen, Yi ;

Wang, Mei ;

Ouwerkerk, Pieter B. F. .

FOOD AND ENERGY SECURITY, 2012, 1 (02) :111-132

[9]

CONAB - Companhia Nacional de Abastecimento, 2012, AC SAFR BRAS GRAOS S

[10]

Cornelio VMD, 2003, CIENC AGROTEC, V27, P1016, DOI 10.1590/S1413-70542003000500007

← 1 2 3 4 →