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Identification of resistance to stem nematode in sweet potato


, : Identification of resistance to stem nematode in sweet potato. Crop Genetic Resources ( 2): 36-37

The resistance of 508 Ipomoea batatas varieties, 119 accessions of related wild species and progeny from interspecific hybrids was tested in 1988-93 in a field severely infested with Ditylenchus destructor in Qufu in the Shandong province of China.


Accession: 002863743

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Related references

Struble, F.B.; Morrison, L.S.; Cordner, H.B., 1966: Inheritance of resistance to stem rot and root knot nematode in sweet potato. Resistance was inherited by progeny of resistant, intermediate or tolerant and susceptible parents in all combinations. Resistance is inherited as multiple factors and it is not possible to define more than one type until variability in both the p...

Sun, F.R.; Chen, H.C., 1994: New sweet potato variety with high resistance to stem nematode - Lushu 78066. Bred in the Shandong province of China from a cross between Qingnong 1 and Anshu 1, this variety gives a fresh tuber yield of 33-37.6 t/ha and is noted for high resistance to stem nematode [Ditylenchus spp.] (1.8-5.6% infestation in the field).

Zhou Zhong; Wang Xin; M.D.iFu; L.H.ngMin; Xie YiPing; L.X.uYing, 2005: Identification of RAPD markers linked to stem-nematode resistant gene in sweet potato. Two hundred accessions of F1 population of Xu 781 (high resistance) and Xushu 18 (high susceptible) of sweet potato (Ipomoea batatas) were adopted to determine their resistance to stem-nematode (Ditylenchus destructor), and their molecular markers...

Sun, Y.C. et al., 1994: The test of controlling sweet potato stem nematode by using sweet potato cultivars and chemicals. Four sweet potato cultivars, Jishu10, Jishu11, Lushu3 and Yi306 were used, and Xushu18 as the check for the test. The results showed that Jishu10, Jishu11 and Lushu3 resisted stem nematode [Ditylenchus sp.] better but Yi306 worse than the check. T...

Zhai, H.; Wang, F.; Si, Z.; Huo, J.; Xing, L.; An, Y.; He, S.; Liu, Q., 2015: A myo-inositol-1-phosphate synthase gene, IbMIPS1, enhances salt and drought tolerance and stem nematode resistance in transgenic sweet potato. Myo-inositol-1-phosphate synthase (MIPS) is a key rate limiting enzyme in myo-inositol biosynthesis. The MIPS gene has been shown to improve tolerance to abiotic stresses in several plant species. However, its role in resistance to biotic stresses...

Yin, G.D.; Zhang, Y.M., 1983: A revision of the pathogenic nematode of the stem nematode disease of sweet potato. Sweet-potato-rot nematode from Shandong province, China, has 6 incisures in the lateral field, the leaflike oesphageal glands always cover the anterior end of the intestine ventrally and the spicule of the male has 2 fingerlike processes pointing...

Miano, D., W.; Labonte, D., R.; Clark, C., A., 2008: Identification of molecular markers associated with sweet potato resistance to sweet potato virus disease in Kenya. Sweet potato virus disease (SPVD), a result of the co-infection of whitefly transmitted Sweet potato chlorotic stunt virus (genus Crinivirus, family Closteroviridae) and the aphid transmitted Sweet potato feathery mottle virus (genus Potyvirus, fa...

Lin MaoSong; Wen Ling; Fang ZhongDa, 1999: Potato rot nematodes (Ditylenchus destructor) and stem nematode disease of sweet potato. A review of D. destructor on sweet potatoes is given, including notes on nematode morphology and control. Varieties Lushu 78066 and Shengli-100 were resistant.

Lin MaoSong; H.L.Min; Wen Ling; Fang ZhongDa, 1996: Mechanism of morphological structure of sweet potato resistance to potato rot nematode (Ditylenchus destructor). The role of the morphological structure of sweet potato in inhibiting the invasion of Ditylenchus destructor is shown using both resistant and susceptible varieties. The cell wall of xylem parenchyma was thicker, more lignified, with more vessels...

Anonymous, 2007: Pathogenicity of sweet potato stem nematode to peanut