|
No |
Descriptors |
Growth stage and time for data recording |
Classification |
Method |
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1 |
Growth nature |
To be recorded at full growth stage of the whole plant after 90 days of pruning |
1.1 Erect |
Observe visually the angle between the foliage branches to the main trunk |
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2 |
Branching nature |
To be recorded in the longest shoot after 90 days of pruning. |
2.1 Straight |
Observe the straightness or curved nature of the branch visually and record |
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3 |
Young shoot colour |
To be recorded after 30 days of pruning in the upper 1/3 rd portion of the young Shoots |
3.1 Green |
The colour of the young shoots to be recorded visually using the standard colour charts |
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4 |
Mature shoot colour |
To be recorded of 90 days of pruning in the lower portion of the longest shoot |
4.1 Brown |
The colour of the matured shoots to be recorded visually using the standard coloured charts |
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5 |
Phyllotaxy |
To be recorded after 75 days of pruning in the middle portion of the longest shoot leaving first 5 leaves from the top and the lower portion of the shoot |
5.1 Distichous (1/2) |
One and third leaf in the same direction. All the leaves fall in two opposite orthostichies and the leaf on the second node is just opposite to the leaf on the first node |
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5.2 Tristichous (1/3) |
One and forth leaf in the same direction. The leaves are three ranked and the forth leaf is above the first leaf, the fifth leaf is above second. |
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5.3 Pentastichous (2/5) |
One and sixth leaf in the same direction. The genetic spiral completes 2 circles with five leaves so that sixth leaf is found above first leaf and 7 th leaf above 2 nd. |
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6 |
Lenticel density/sq.cm |
To be recorded after 90 days of pruning in the middle portion of the longest shoot |
6.1 Sparse (<5) |
Placing one sq.cm cut film roll around the stem surface and count the number of lenticels in that area. Three readings to be taken per one branch |
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7 |
Lenticel shape |
As described above |
7.1 Round |
The matured lenticels from the middle portion of the shoot to be considered for recording the shape |
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8 |
Bud shape |
To be recorded after 90 days after pruning in the longest shoot |
8.1 Round |
The buds are circular |
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8.2 Acute triangle |
The tip of the bud is acute |
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8.3 Long triangle |
The tip of the bud is slightly elongated |
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8.4 Spindle shaped |
The basal portion of the bud is tapered to look like a spindle |
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9 |
Bud length (cm) |
As described above |
9.1 Short |
The length of the matured bud to be recorded from the basal portion to the tip of the bud |
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10 |
Bud attachment |
As described above |
10.1 Adhering to branch |
The buds are attached to the stem |
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10.2 Slanting out ward |
The buds are projected away from the stem |
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10.3 Tilting to one side |
The tip of the bud is tilted to one side |
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10.4 With one accessory bud |
The main bud is supported by one or two accessory buds |
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10.5 With dorsal accessory bud |
The accessory bud is on the dorsal side |
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11 |
Leaf apex |
To be recorded after 60 days of pruning in the middle portion of the longest shoot. Observe that portion of the leaf bounded by approximately upper 25 per cent of the leaf margin |
11.1 Acute |
The tip portion is straight to convex margins forming an angle of less than 90° |
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11.2 Acuminate |
Leaf tip is slightly extended, either short or long acuminate and the margins are markedly concave |
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11.3 Caudate |
The leaf tip extended greatly forming a tail like structure |
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11.4 Obtuse |
Straight to convex margin forming an angle more than 90° |
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12 |
Leaf margin |
To be recorded after 60 days of pruning in the middle portion of the longest shoot. |
12.1 Crenate |
Crenations are smoothly rounded without a pointed apex |
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12.2 Serrate |
Serration’s are pointed with their axes are inclined forming oblique angle |
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12.3 Dentate |
Dentations are pointed with axis approximately perpendicular to the trend of the margin |
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12.4 Repand |
Margins forming a smooth line or arc without noticeable projections |
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13 |
Leaf base |
To be recorded after 60 days of pruning in the middle portion of the longest shoot. Observe that portion of the leaf bounded by approximately lower 25 per cent of the margin |
13.1 Truncate |
Terminate abruptly as if cut and the margin perpendicular to the mid vein or nearly so |
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13.2 Cordate |
Leaf base looks like a heart shaped embed in a sinus whose sides are straight or convex |
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13.3 Lobate |
Base with two large pointed lobes |
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14 |
Leaf surface |
To be recorded after 60 days of pruning in the middle portion of the longest shoot |
14.1 Smooth 14.2 Slightly rough 14.3 Rough 14.4 Hairy (pubescent) |
Rub the upper portion of the leaf blade gently with the fingers and feel the leaf surface |
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15 |
Leaf texture |
as described above |
15.1 Membranous |
The leaves are thin and semi transparent like a fine membrane |
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15.2 Charatacious |
The leaves are opaque and like a writing paper |
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15.3 Coriaceous |
The leaves are like leathery, thick and stiff shoot |
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16 |
Stipule nature |
To be recorded after 60 days of pruning in the longest shoot |
16.1 Bud scale |
The leaf stipules are very short, slender and pointed |
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16.2 Free lateral |
The stipules are free hanging from both sides of the nodal portion |
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16.3 Foliatious |
The stipules are broad and look like miniature leaves |
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17 |
Stipule duration |
As described above |
17.1 Caducous |
The stipules fall off with the maturity of the leaves |
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17.2 Persistent |
The stipules stay for longer period |
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18 |
Shape of the leaf scar |
To be recorded after 90 days of pruning in the longest shoot after harvesting the leaves. |
18.1 Circular |
Observe the leaf scars after the leaves are harvested from the matured lower portion of the stem |
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19 |
Leaf nature |
To be recorded after 60 days after pruning in the longest shoot |
19.1 Homophyllous |
All the leaves in the plant are of similar nature either entire or lobed |
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Lobed |
All the leaves are lobed |
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Unlobed |
All the leaves are unlobed or entire |
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19.2 Heterophyllous |
When some leaves are lobed and some are unlobed either in the same branch or different branches of the same plant |
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20 |
Leaf lobation number |
As described above |
20.1 0- lobed |
Count the number of lobes of the individual leaves |
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21 |
Leaf lobation type |
As described above |
21.1 Shallow lobed |
The lobation is restricted to the margins |
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21.2 Medium lobed |
The lobation is extended up to the middle of the leaf blade |
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21.3 Deeply lobed |
The lobation is very deep and extended up to the mid vein |
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22 |
Leaf colour |
As described above |
22.1 Light green |
The natural colour of the matured leaves to be recorded visually using the standard colour charts |
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23 |
Leaf glossiness |
As described above |
23.1 Non glossy |
Observe the upper portion of the leaf surface and note the shiny nature with cuticular wax content |
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24 |
Leaf wrinkleness |
As described above |
24.1 Smooth |
When the leaves have no sign of waviness |
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24.2 Slightly wrinkle |
When the leaves are slightly wavy |
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24.3 Wrinkled |
When the leaves are fully wrinkled |
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25 |
Leaf angle |
as described above |
25.1 Acute (<35°) |
To be recorded in the bright sunlight by measuring the angle between the leaf petiole and the main stem |
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26 |
Lamina length (cm) |
To be recorded after 75 days of pruning by taking the fully grown leaves from 7 th to 9th positioned leaves in the longest shoot |
26.1 Short (<10) |
The length of the leaf blade is to be recorded from the leaf base at the juncture of the petiole attachment to the leaf tip leaving the extended portion of the tip |
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27 |
Lamina width (cm) |
As described above |
27.1 Narrow (<10) |
The width of the leaf to be recorded from the widest point from both sides of the leaf margins |
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28 |
Leaf shape |
The length and breadth of the leaves to be recorded from fully expanded leaves from 7th to 9 th position from the top in the longest shoot |
28.1 Lanceolate |
Length/width ratio= 3:1 |
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29 |
Petiole length (cm) |
To be recorded after 75 days of pruning by taking the fully grown leaves from 7 th to 9th positioned leaves on the longest shoot |
29.1 Small (£ 2) 29.2 |
Cut the petiole portion of the leaf from the base of the leaf blade and measure the length |
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30 |
Petiole breadth (cm) |
As described above |
30.1 Small (£ 2) 30.2 Medium (> 2-4) |
Cut the petiole portion of the leaf from the base of the leaf blade and measure the breadth |
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31 |
Petiole groove |
as described above |
31.1 Present |
Observe the lower portion of the petiole for presence or absence of the groove |
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32 |
Trichome density (no/sq.mm) |
To be recorded after 75 days of pruning by taking the fully grown leaves from 7 th to 9th positioned leaves in the longest shoot |
32.1 Sparse (<50) |
The density of the trichomes from both adaxial and abaxial leaf surface(on the veins and veinlets) to be recorded from cuticular replicas obtained by thin coating of thermocol-xylol solution on the leaf surface and after peeling the dried opaque film and observe in the microscope. |
