H.-C. Zeng's research while affiliated with Chinese Academy of Tropical Agricultural Sciences and other places
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Publications (3)
During the period 2003-2009 a comprehensive study of Pythium species in soil and water samples collected from various habitats on Hainan Island was conducted using conductedusing a combination of baiting and selective agar medium technique. A total of 2348 isolates were identified into 29 species: P. acanthicum, P. acanthophoron, P. aphanidermatum,...
This is the first report of patch canker disease of rubber trees (clone RRIM600) in China. It is characterized by discrete irregular patches of rotted, discolored bark and wood, accompanied by a decrease in latex flow. A total of seven isolates of Pythium vexans were obtained from the diseased bark of the trunks and roots of rubber trees. Inoculati...
Phytophthora insolita was isolated from forest soil, streams, and ponds on southern China's Hainan Island. This is the first documented report of its occurrence outside Taiwan, and the significance of the finding is discussed.
Citations
... were infrequent incidents of P. insolita from Taiwan, China and USA only (Ann and Ko, 1980; Ho et al., 2002; Testa et al., 2005). Water is the major mode of dispersion and also source of inoculum for Phytophthora spp (Erwin and Ribeiro, 1996; Hong and Moorman, 2005; Kong et al., 2003). ...
![[object Object]](https://i1.rgstatic.net/ii/profile.image/272218290651163-1441913306689_Q64/H-Ho-2.jpg)
... In order to observe asexual reproductive structures (sporangia, vesicles, and zoospores), isolates were transferred onto CMA containing sterile hemp (Cannabis sativa L.) seeds or turfgrass (Poa sp.) [47] for 24 h. The hemp seeds or turfgrass were then transferred to Petri dishes containing distilled water [48], sterile soil extract [49], or Schmitthenner solution [50] under a fluorescent light for 48 h and were checked every 8 h six times. Moreover, sporangia formation was examined using French bean agar media (FBA, extract of 30 g/L boiled French bean; agar 15 g/L [) [45] and sterile soil extract. ...
... It was also reported from cerrado tropical forest regions of Brazil by Baptista et al. (2004), as well as in soil samples in Far province in Iran in 2005 (Mostoufizadeh and Banihashemi 2005). It has been reported to cause diseases in cultivated crops in Australia (Ogle et al. 1993;Vawdrey et al. 2005), North America (several states of the United States, including Hawaii [Guo and Ko 1996], North Carolina [Ivors et al. 2008], California [Yang et al. 2012], and Tennessee Panth et al. 2021]), Asia (India [Thomas 2000], Japan [Yamaji et al. 2001[Yamaji et al. , 2005Yano et al. 2010], China [Zeng et al. 2005], Taiwan [Chang 1993], Turkey [Dervis et al. 2014;Polat et al. 2017], Vietnam [Thao et al. 2020], and Thailand [Noireung et al. 2020]), Africa (Tunisia [Benfradj et al. 2017], Morocco [Jabiri et al. 2020], Rwanda [Nzungize et al. 2011], and South Africa [Linde et al. 1994;Tewoldemedhin et al. 2011]), Europe (Italy [Prencipe et al. 2020] and Spain [Beluzán et al. 2022]), and Central America (Panama [Davidson et al. 2000]) (Fig. 2). ...
