Share your research and experience, ask and answer questions, meet your peers.

Tag Archives: SPHI

SASHA Brief 07: Simple, Sensitive Loop-Mediated Isothermal Amplification (LAMP) to Detect Key Viruses in the Field

More than 20 viruses have been reported that can pose a major constraint to sweetpotato production. Current diagnostic tests available for sweetpotato viruses are either not sensitive enough to reliably detect viruses directly from sweetpotato or require expensive laboratory equipment to perform and a high level of experience. We demonstrate …

Read More »

SASHA Brief 06: Yield Impact of Sweetpotato Begomoviruses: Are They Significant?

We established the occurrence and distribution of begomoviruses in Kenya. Field survey was conducted in major sweetpotato growing regions (i.e., Western, Nyanza, Coast, and Eastern). A total of 896 samples were collected and tested by PCR to confirm begomoviruses. One hundred and sixty-seven (167) tested positive from the different regions. …

Read More »

SASHA Brief 05: Making the Best Bets Accessible

Expected at the end of 2018, the best bet catalogue will present on the web and mobile based platforms a collection of the best performing sweetpotato varieties in Africa. In 2018, a collection of 98 varieties from 16 SSA countries has been grown in a field trial at Kiboko-KALRO, Kenya …

Read More »

SASHA Brief 03: Revolutionizing Sweetpotato Breeding Through Heterosis Exploiting Breeding Schemes – How Far are we?

Exploitation of hybrid vigor is one of the hallmarks of modern plant and animal breeding, but until recently had not been seriously considered by root and tuber breeders. In sweetpotato breeding, we have made exciting progress developing and implementing heterosis exploiting breeding schemes (HEBS) and are now applying this approach …

Read More »

SASHA Brief 02: Finding the Sweet Spot for Low-Sweet Sweetpotato in West Africa

There are great opportunities to expand consumer demand for sweetpotato both as staple and fried products. In Ghana we are exploring consumer reactions to less sweet varieties, refining breeding methods, and marketing strategies, including suitable branding to help promote these healthy and versatile types.

Read More »