Pinus helepensis (Quetta pine) period of ripening of seed is:
A.October – November
B.September – November
C.March – April
D.None of these
A.October – November
B.September – November
C.March – April
D.None of these
A.To make an afforestation/reforestation campaign a success a well-stocked nursery raised on scientific lines is a pre-requisite.
B.The adverse biotic and edaphic factors, failure of most of the planting campaigns in the country
C.Can generally be traced back to poor stock raised in ill-equipped nurseries by the staff, which is often ignorant of the modern techniques of nursery raising and its management
D.All of the above
A.Cutting is made from one-year-old plants. Preferably stem cutting of 20-25 cm length and finger thickness are used
B.Where one-year-old plants are produced for panting out. The root-shoot cutting and two cutting from the proximal end of the stem are made from one year old plants
C.Both (a) & (b)
D.None of these
A.January – March
B.March – April
C.February – April
D.September – October
A.Sometimes the seed has to be stored till sowing time
B.Also many species produce good seed crops only at interval of several years
C.The seed collected in good years must be stored for several years to provide for the lean years
D.All of the above
A.January – March
B.March – April
C.November – December
D.None of these
A.Bed nursery
B.Pot nursery
C.Both (a) & (b)
D.None of these
A.May – June
B.September – November
C.February – April
D.None of these
A.January – March
B.March – April
C.May
D.September – October
A.May – June
B.September – November
C.February – April
D.None of these