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	Authors Year Title Journal
6348	Lee, H.R. and S.Y. Choi. 1981 Studies on the artificial inoculation of biotypes in the brown planthopper, Nilaparvata lugens (Stal) on the resistant rice varieties and their biological characteristics. Seoul National University, College of Agriculture Bulletin 6(2): 1-20.
6389	Kartal, V. 1981 Neue Homopteren aus der Turkei-I. Priamus 1(1): 24–30. pdf
6398	Emeljanov A.F. and I.M. Kerzhner. 1981 In memory of M.M. Loginova (1926-1979). Entomologicheskoe Obozrenie 60(1): 219-223. [in Russian] pdf
6482	Luo, X.N., W.X. Zhou, and D.R.Chen. 1981 Toxicity observation of several kind of pesticides to rice planthopper egg parasitic wasp - Anagrus spp.’s toxic observation. Plant Protection 5: 24-25. [Chinese]
6555	Chung, T.C., C.N. Sun, H. Kao. 1981 Esterases and malathion resistance in brown planthopper. International Rice Research Newsletter 6(6): 18. pdf
6760	Chen, C.C. and R.J. Chiu. 1981 Rice ragged stunt and its effect on the growth of rice plant. Plant Pathology Bulletin 23: 67-75. [Chinese]
6805	Koshiya, D.J., A.K. Bhattacharya, and S.K. Verma. 1981 Efficacy of granular insecticides on different developmental stages of brown planthopper. International Rice Research Newsletter 6(2): 16. pdf
6859	Power, A.D. 1981 Sugarcane pyrilla attacking rice and its biological control in India. International Rice Research Newsletter 6: 17-17.
6960	Pathak, P.K. and G.S. Dhaliwali. 1981 Trends and Strategies for Rice Insect Problems in Tropical Asia. IRRI Research Paper Series, Los Banos, Philippines. 64: 1-15. pdf
7205	Wu, J.S., Z.Q. Zhang, Y.F. Jin, and Q.M. Xia. 1981 Studies on the intake of rice plant juice by l, using rice plants labelled wlih 14C and 32P. Application of Atomic Energy in Agriculture 2(3): 52-55,58.
7677	Kudagamage, C. and L. Nugaliyadde. 1981 Management of rice brown planthopper through resistant varieties. In: Proceedings of the 37th Annual session of the Sri Lanka Association for the Advancement of Science. Pp. 26-27.
7777	Chelliah, S., R. Velusamy, E.A. Heinrichs, ans S. Murugesan. 1981 Moderate resistance in rice varieties to brown planthopper, Nilaparvata lugens - methods of evaluation. Oryza 18(3): 158-164.
7846	Chung, B.K. and S.Y. Choi. 1981 Some biological differences in the susceptible-and carbaryl-resistant brown planthoppers, Nilaparvata lugens Stal. College of Agriculture Bulletin-Seoul University 6(1): 99-113.
7915	Heu, M.H., S.Z. Park, E.W. Lee, and S.Y. Choi. 1981 Glutinous rice wx817 with glabrousness and resistance to brown planthopper (Nilaparvata lugens Stal). College of Agriculture Bulletin-Seoul University 6(1): 89-97.
8033	Kilin, D., T. Hagata, and T. Masuda. 1981 Development of carbamatic resistance in the brown planthopper, Nilaparvata lugens Stål. Japanese Journal of Applied Entomology and Zoology 13: 142-149.
8091	Khaire, V.A., and R.B. Dumbre. 1981 Laboratory studies on bionomics of brown plant hopper Nilaparvata lugens (Stal) (Hemiptera: Delphacidae). Journal of Maharashtra Agricultural Universities 6(2): 102-105.
8095	Kilin, D., T. Hagata, and T. Masuda. 1981 Development of carbamate resistance in the brown planthopper, Nilaparvata lugens Stal (Homoptera: Delphacidae). Applied Entomology and Zoology 16(1): 1-6. pdf
8135	Chen, C.N. 1981 Approached to the management of the rice brown planthopper in Taiwan with special emphasis on yield loss assessment. Chinese Journal of Entomology 1: 23-39. pdf
8154	Kuruvilla, S. and A. Jacob. 1981 Effect of some pesticides on the growth and sporulation of Fusarium oxylporum Schlect pathogenic to brown planthopper Nilaparvata lugens Stal. Agricultural Research Journal of Kerala 19(2): 102-104.
8155	Kuswadi, A.N. 1981 The use of P-32 for determining varietal resistance of rice to brown planthopper (Nilaparvata lugens Stal.). Majalah Batan 14(2): 37-45.
8434	Skaria, B.P. and N.M. Das. 1981 Contact toxicity of different insecticides to third and fifth instar on nymphs of brown planthopper Nilaparvata lugens Stal (Delphacidae: Homoptera). Agricultural Research Journal of Kerala 19(2): 33-38.
8684	El-Haidari, H.S. 1981 Ommatissus binotatus De Bergevin (Homoptera: Tropiduchidae). Date Palm Journal 1(1): 133.
8685	Hammad, S.M., A.A. Kadous, and M.M. Ramadan. 1981 Insects and mites attaching date palm in eastern province of Saudi Arabia. Proceedings of the Saudi Biological Society 5: 258-260.
8888	Foster, D.E. , D.N. Ueckert and C.J. Deloach. 1981 Insects associated with broom snakeweed [Xanthocephalum sarothrae] and threadleaf snakeweed [Xanthocephalum microcephala] in west Texas and eastern New Mexico. Journal of Range Management 34(6): 446-454. pdf
8904	Misra, M.P. and A.D. Pawar. 1981 Release and establishment of Epipyrops melanoleuca Fletcher (Lepidoptera: Epipyropidae) on sugarcane Pyrllla in West Bengal. Indian Journal of Plant Protection 9(2): 128-131.

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