Potato wart disease, its introduction to North America. Distribution and control problems in Newfoundland Through the introduction to power distribution automation experiment project and client service system executed in Yinchuan Power Supply Bureau and Yinnan ... MC Hampson,KG Proudfoot,AGP 被引量: 29...
The principal cultivated potato (Solanum tuberosum) has mainly been vegetatively propagated through its tubers. Potato breeders have therefore made planned artificial hybridizations to generate genetically unique seedlings and their clonal descendants from which to select new cultivars for tuber propagation....
Two years later, the British Act of Union made Ireland a part of the United Kingdom. The Act abolished the 500-year-old independent Irish Parliament in Dublin and placed the country under the jurisdiction of Britain's Imperial Parliament at Westminster, England. Although Ireland was to be repr...
Nicotiana species, which share significant similarities with tomato, potato, eggplant, and pepper, originated in South America and subsequently spread to North America, Africa, and Australia. They are known to produce and accumulate alkaloids as part of their defense mechanism against insects and ...
“potato economy”. Ireland was bursting at the seams in 1841, but just a decade later, after thepotato famine, the population had fallen to 6.5 million. The cause of the Irish potato famine was a water mold (Phytophthora infestans) that originated in Mexico and crossed the Atlantic in the...
On the other hand, when a prior agreement approach is invoked other potato evolutionary histories are revealed but with less support. These alternative histories could be explained by past hybridization, or fast rates of speciation. In the case of tomato, the analyses with all sequence data ...
potatoes were introduced to Ireland where farmers quickly discovered they thrived in their country's cool moist soil with very little labor. An acre of fertilized potato field could yield up to 12 tons of potatoes, enough to feed a family of six for a year with leftovers going to the famil...
The first archeological evidence of peanut cultivation traces back to 7,600 years ago6. In the 16th century, peanut cultivation diffused from South America through the Portuguese and the Spanish explorers7. Further migration routes from North America to Northern China and from South Asia to ...
答案:①Confucius is known as ②Confucius institutes As one of Confucius' descendants,Xiao Kong's name is 2 recorded in the family tree.(教材 P38) 作为孔子的后代之一,小孔的名字被记载在家谱上。 剖析 本句中 as 为介词,意为“作为”。 as 作为连词引导从句的用法: (1)引导时间状语从...
berry—both mesocarp and endocarp fleshy; one-seeded: nutmeg, date; one carpel, several seeds: baneberry, may apple, barberry, Oregon grape; more carpels, several seeds: grape, tomato, potato, asparagus pepo—berry with hard rind; squash, cucumber, pumpkin, watermelon ...