Results 121 to 130 of about 10,546 (225)

Effects of nitrogen nutrient on the behavior of feeding and oviposition of the brown planthopper, Nilarpavata lugens, on IR64

open access: yes浙江大学学报. 农业与生命科学版, 2005
We determined the preferences of feeding and oviposition of the brown planthopper (BPH), Nilaparvata lugens, to rice plants of IR64 with different nitrogen content, the changes in preferences of BPH populations fed successively on plants with high (200N)
LÜ Zhong-xian   +3 more
doaj   +1 more source

Virulence of Brown Planthopper (BPH) in Vietnam

open access: yes, 1992
This article 'Virulence of Brown Planthopper (BPH) in Vietnam' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice ...
Thuat, N. C.   +4 more
openaire   +1 more source

MANIPULASI HABITAT SEBAGAI SOLUSI TERJADINYA OUTBREAK WERENG COKLAT

open access: yesCaraka Tani: Journal of Sustainable Agriculture, 2017
Brown plant hopper outbreaks occurred again in the growing season of 2009 and continues to the present (2011). As a result of brown pant hopper, rice plants be comepuso.
Retno Wijayanti   +2 more
doaj   +1 more source

Field Assessment of the Effects of Transgenic Rice Expressing a Fused Gene of cry1Ab and cry1Ac from Bacillus thuringiensis Berliner on Nontarget Planthopper and Leafhopper Populations [PDF]

open access: yes, 2017
In 2003 and 2004, field studies were conducted at three sites in Zhejiang Province in China to assess the impacts of Bacillus thuringiensis (Bt) Berliner rice expressing a fused gene of cry1Ab and cry1Ac on nontarget planthoppers and leafhoppers ...
Chen, M.   +7 more
core  

Research on Brown Planthopper Biotypes in China

open access: yes, 1981
This article 'Research on Brown Planthopper Biotypes in China' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice ...
Wu, J. T.   +3 more
openaire   +1 more source

Brown Planthopper in Eastern Uttar Pradesh, India

open access: yes, 1983
This article 'Brown Planthopper in Eastern Uttar Pradesh, India' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice ...
Rizvi, S. M. A., Singh, H. M.
openaire   +1 more source

The relative importance of crop pests in South Asia (NRI Bulletin No. 39) [PDF]

open access: yes, 1991
This is the second in a series of regional studies of crop pest importance carried out by the Natural Resources Institute (NRI). The aim of this study was to assess the relative economic importance of crop pests in the cropping systems of South Asia ...
Geddes, A.M.W., Iles, Malcolm
core  

Insecticide Toxicity to Natural Brown Planthopper Enemies

open access: yes, 1983
This article 'Insecticide Toxicity to Natural Brown Planthopper Enemies' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and ...
Raman, K., Uthamasamy, S.
openaire   +1 more source

Pola Segregasi Ketahanan Populasi F2 Padi Ciherang/Swarnalata Terhadap Wereng Batang Cokelat [PDF]

open access: yes, 2016
Brown planthopper (BPH, Nilaparvata lugens Stål) is a serious pest of rice that significantly decreasesrice yield in Indonesia. Planting resistant varieties is an easy, inexpensive, effective, environmentally friendly, and in accordance with ...
nLN, S. (Slamet), Warsun, A. (Ahmad)
core  

Mixing Rice Varieties to Combat Brown Planthopper

open access: yes, 1977
This article 'Mixing Rice Varieties to Combat Brown Planthopper' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice ...
Weerapat, P.   +2 more
openaire   +1 more source

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