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From about 1917, collaboration between East Malling and the John Innes Institute, in Merton Park in Surrey, gave rise to the Malling-Merton series, which were resistant to Eriosoma lanigerum, the woolly apple aphid. Common Malling rootstocks in the 1940s: US M2, M7, M8, M9 and M13. UK M1, M2, M9, M12, M13 and M16.
The noble gas used in radiotherapy is
The absolute value of the charge on electron was determined by-
The nucleus of an atom consists of-
The most reactive among the halogens is-
The fuel that is used in modern submarines is -
Milk tastes sour when kept in the open for sometimes due to the formation of-
The gas usually causing explosions in coal mines is-
Manganite is an ore/mineral of
Alum stops bleeding in minor cuts because of
The nucleus of an atom consists of-