2000
DOI: 10.2135/cropsci2000.402436x
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A Uniform, Objective, and Adaptive System for Expressing Rice Development

Abstract: 1980), the BBCH system (Lancashire et al., 1991), andHaun (1973). Zadoks et al. (1974) is an adaptation of The large area of rice (Oryza sativa L.) production worldwide is Feekes' (1941) scale (with 23 subdivisions) but further critical to the well being of large numbers of the world's people. Yet delineated. The IRRI (1980) scale is a 10-point system for rice, the most important single plant species for human nutrition, there is not a widely used growth staging system. Despite good points Paul A. Counce, Uni… Show more

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Cited by 693 publications
(629 citation statements)
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“…No estágio V3 (COUNCE et al, 2000), foi realizado um raleio das plantas, deixando-se 10 plantas por vaso. No colmo principal das plantas marcadas, observou-se a data de ocorrência dos estágios de desenvolvimento R2 (aparecimento do colar da folha bandeira) e R9 (maturação fisiológica: todas as espiguetas da panícula tinham os grãos com casca marrom) da escala de COUNCE et al (2000).…”
Section: Introductionunclassified
See 1 more Smart Citation
“…No estágio V3 (COUNCE et al, 2000), foi realizado um raleio das plantas, deixando-se 10 plantas por vaso. No colmo principal das plantas marcadas, observou-se a data de ocorrência dos estágios de desenvolvimento R2 (aparecimento do colar da folha bandeira) e R9 (maturação fisiológica: todas as espiguetas da panícula tinham os grãos com casca marrom) da escala de COUNCE et al (2000).…”
Section: Introductionunclassified
“…As temperaturas cardinais (Tb, Tot e Tmax) na fase EM-R2 foram 11, 28 e 40 ºC e na fase R2-R9 foram de 15, 25 e 30 ºC. Assumiu-se que uma Tb de 15 ºC na fase R2-R9 é mais realística do que 11 ºC, pois o arroz é sensível à temperatura igual ou inferior a 15 ºC durante a microsporogênese e embriogênese (BURIOL et al, 1991;SOSBAI, 2005), que ocorrem durante o emborrachamento e durante o aparecimento do colar da folha bandeira, ou seja, próximo a R2 (COUNCE et al, 2000). A diminuição de Tot e Tmax na fase R2-R9 em relação à fase EM-R2 foi devido ao fato de que a fase do arroz mais sensível às altas temperaturas é a floração, e o enchimento de grãos é mais eficiente quando as temperaturas não são tão elevadas .…”
Section: Introductionunclassified
“…Fungicide sprays in rice fields predominate in the late booting stage of plants (Counce et al 2000, Sosbai 2014 of selective compounds does not affect the potential for natural parasitism of stinkbug eggs occurring after this period in the crop (Riffel et al 2010, Idalgo et al 2013. Other studies also describe the reduced effect of the fungicides Triazole and Strobilurins on adults, larvae and pupae of T. remus, in soybean crops (Carmo et al 2009 and.…”
Section: Resultsmentioning
confidence: 97%
“…The sowing density used was 350 seeds m -2 and the management practices adopted were the ones recommended by technical recommendations (Sosbai, 2012), but without the application of phytosanitary products. At the V 3 development stage (Counce et al, 2000), the plants were transferred with soil to vases and taken to the laboratory, where three complementary experiments were conducted for each one of the herbicides. Therefore, rice leaves without hems were washed in distilled water and dried in paper towel for the collection of 0.5 g of leaf segments of approximately 0.25 cm 2 , which were put in tubes to centrifuge containing 30 mL of incubation solution, according to the recommendations of each trial described below.…”
Section: Methodsmentioning
confidence: 99%