Resistance identification of ten main rice cultivars to brown planthopper in Anhui Province

doi:10.14088/j.cnki.issn0439-8114.2024.01.012

Abstract

Abstract: The resistance to brown planthopper （BPH） of ten main rice cultivars in Anhui Province was identified by the improved International Rice Research Institute standard seedbox screening technique and mature plant identification method. The results at the seedling stage showed that seven tested cultivars were highly susceptible to BPH at grade 9, and three tested cultivars were susceptible to BPH at grade 7. The BPH resistance identification results of the same cultivar at the mature stage were different from the results of the seedling stage. Among the ten cultivars, six cultivars had higher resistance grade during the mature stage than the seedling stage, while the remaining four cultivars remained unchanged.

Key words: rice, main cultivars, brown planthopper[Nilaparvata lugens （Stål）]（BPH）, resistance identification, resistance grade, Anhui Province

CLC Number:

S433.3
S511

XU Ming, LI Da-bang, LIN Lu-lu, XIE Ming-hui, XIAO Qing-qing, CHEN Hao-liang. Resistance identification of ten main rice cultivars to brown planthopper in Anhui Province[J]. HUBEI AGRICULTURAL SCIENCES, 2024, 63(1): 70-74.

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